What are the cheapest airlines flying from Dublin to Washington, D.C. Dulles Intl Airport round-trip?

Currently priced at $361, Scandinavian Airlines will fly you from Dublin to Washington, D.C. Dulles Intl Airport and back. In addition to Scandinavian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Icelandair and Aer Lingus - these airlines can fly you to your destination from $474 and $479, respectively. Scandinavian Airlines is 38% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Dublin to Washington, D.C. Dulles Intl Airport one-way?

For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $371. Users have also found prices from $381 and $444 on TAP AIR PORTUGAL and Scandinavian Airlines, respectively.

What is the cheapest day to fly from Dublin to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their Dublin to Washington, D.C. Dulles Intl Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the cheapest flights from Dublin to Washington, D.C. Dulles Intl Airport?

The cheapest flight price from Dublin to Washington, D.C. Dulles Intl Airport is $408. On average you can expect to pay $1,171. The most popular route, (Dublin - Washington, D.C. Dulles Intl), can usually be booked for $417.

What are the most reliable airlines from Dublin to Washington, D.C. Dulles Intl Airport?

Before booking your flight to Washington, D.C. Dulles Intl Airport from Dublin, check out the most reliable airlines to get you to your destination on time: Air Canada (91%), United Airlines (91%), Lufthansa( 91%).

What are the most popular airlines that fly from Dublin to Washington, D.C. Dulles Intl Airport?

Consider Aer Lingus, PLAY or United Airlines when booking your flight. These represent the most popular airlines when flying from Dublin to Washington, D.C. Dulles Intl Airport.

What is the cheapest day to fly round-trip from Dublin to Washington, D.C. Dulles Intl Airport?

Travelers have found that booking a Sunday departure is the best way to save up to 22% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from Dublin to Washington, D.C. Dulles Intl Airport?

Our data shows that January tends to be the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Dublin. Users have commonly found prices around $561 for the month, but tickets can be as low as $276. Due to multiple factors, prepare for potentially higher prices in July.

Most accurate provider : When it comes to deals on Dublin-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dublin-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dublin-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Dublin-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dublin-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Dublin to Washington, D.C. Dulles Intl?

Dublin (DUB) is the airport you will fly out of if you book a flight from Dublin to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Dublin; the airport handles an average of 8 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Dublin airport to Washington, D.C. Dulles Intl. It is only a 5.7 mi journey to Dublin (DUB) from Dublin’s city center.

Can I find deals for flights from Dublin to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Dublin to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dublin to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Dulles Intl.

Can I find deals for business class flights from Dublin to Dulles Intl?

Yes. Cheapflights offers flight deals from Dublin to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$361+ Save on Flights from Dublin to Washington, D.C. Dulles Intl Airport

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Dublin to Washington, D.C. Dulles Intl are usually found in February or January, booked 73 days in advance, depart on a Monday or Saturday and return on a Tuesday

Cheap flight deals from Dublin to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$361 (Ticket)
Popular in	July
Cheapest in	February
Average price	$519
Good round-trip deal	$751 or less
Good one-way deal	$459 or less

Provider with most accurate pricing for Dublin-Washington, D.C. Dulles Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Dublin-Washington, D.C. Dulles Intl flights.

Search Deals

From Dublin to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($138 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Price to beat on a round-trip flight from Dublin to Washington, D.C. Dulles Intl.

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Price to beat on a one-way flight from Dublin to Washington, D.C. Dulles Intl.

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Find flight deals from Dublin to Dulles Intl

Cheapest flights from Dublin to Dulles Intl
Explore the most affordable flight options available from Dublin to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

Sat 5/1010:15 amDUB - IAD

1 stop14h 44mScandinavian Airlines

Sat 5/1710:05 pmIAD - DUB

1 stop13h 05mScandinavian Airlines

Deal found 3/24

$361

Fri 11/2111:30 amDUB - IAD

1 stop11h 50mIcelandair

Fri 12/57:40 pmIAD - DUB

1 stop9h 35mIcelandair

Deal found 3/24

$420

Sat 4/58:55 amDUB - IAD

1 stop11h 40mMultiple Airlines

Mon 4/219:20 pmIAD - DUB

1 stop12h 40mMultiple Airlines

Deal found 3/24

$473

Tue 5/612:50 pmDUB - IAD

Nonstop8h 00mAer Lingus

Tue 5/135:20 pmIAD - DUB

Nonstop6h 50mAer Lingus

Deal found 3/24

$479

Mon 3/315:55 amDUB - IAD

1 stop14h 40mDelta

Mon 4/76:30 pmIAD - DUB

1 stop15h 30mDelta

Deal found 3/24

$493

Thu 4/178:55 amDUB - IAD

1 stop11h 40mKLM

Tue 4/225:25 pmIAD - DUB

1 stop12h 00mKLM

Deal found 3/24

$505

Tue 4/156:00 amDUB - IAD

1 stop18h 15mAir France

Tue 4/229:20 pmIAD - DUB

1 stop12h 40mAir France

Deal found 3/24

$506

Fri 4/411:45 amDUB - IAD

1 stop12h 56mAmerican Airlines

Mon 4/149:10 amIAD - DUB

1 stop15h 20mAmerican Airlines

Deal found 3/24

$519

Sun 4/1312:45 pmDUB - IAD

1 stop12h 30mBritish Airways

Thu 4/247:25 pmIAD - DUB

1 stop14h 10mBritish Airways

Deal found 3/24

$530

Fri 11/2111:50 amDUB - IAD

Nonstop8h 20mUnited Airlines

Fri 12/54:35 pmIAD - DUB

1 stop9h 35mUnited Airlines

Deal found 3/24

$589

Sat 4/512:30 pmDUB - IAD

Nonstop8h 00mLufthansa

Mon 4/2110:05 pmIAD - DUB

Nonstop7h 15mLufthansa

Deal found 3/24

$608

Thu 5/229:50 amDUB - IAD

2 stops16h 18mAir Canada

Tue 7/19:45 amIAD - DUB

2 stops17h 30mAir Canada

Deal found 3/24

$645

Best flights from Dublin to Dulles Intl
Discover carefully curated flight deals from Dublin to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 25, 2025.

Sat 5/1010:15 amDUB - IAD

1 stop14h 44mScandinavian Airlines

Sat 5/1710:05 pmIAD - DUB

1 stop13h 05mScandinavian Airlines

Deal found 3/24

$361

Sat 4/58:55 amDUB - IAD

1 stop11h 40mMultiple Airlines

Mon 4/219:20 pmIAD - DUB

1 stop12h 40mMultiple Airlines

Deal found 3/24

$473

Mon 5/122:15 pmDUB - IAD

1 stop10h 05mIcelandair

Fri 9/58:30 pmIAD - DUB

1 stop11h 45mIcelandair

Deal found 3/24

$474

Tue 5/612:50 pmDUB - IAD

Nonstop8h 00mAer Lingus

Tue 5/135:20 pmIAD - DUB

Nonstop6h 50mAer Lingus

Deal found 3/24

$479

Sun 4/610:30 amDUB - IAD

1 stop14h 45mBritish Airways

Mon 4/1410:40 pmIAD - DUB

1 stop11h 00mBritish Airways

Deal found 3/24

$495

Tue 4/158:55 amDUB - IAD

1 stop11h 40mDelta

Tue 4/229:20 pmIAD - DUB

1 stop12h 40mDelta

Deal found 3/24

$500

Thu 4/178:55 amDUB - IAD

1 stop11h 40mKLM

Wed 4/235:25 pmIAD - DUB

1 stop12h 00mKLM

Deal found 3/24

$505

Tue 4/156:00 amDUB - IAD

1 stop18h 15mAir France

Tue 4/229:20 pmIAD - DUB

1 stop12h 40mAir France

Deal found 3/24

$506

Tue 4/88:35 amDUB - IAD

1 stop16h 35mAmerican Airlines

Tue 4/159:10 amIAD - DUB

1 stop15h 20mAmerican Airlines

Deal found 3/24

$513

Sat 4/510:40 amDUB - IAD

1 stop13h 45mLufthansa

Mon 4/2110:05 pmIAD - DUB

Nonstop7h 15mLufthansa

Deal found 3/24

$608

Wed 5/79:50 amDUB - IAD

1 stop11h 18mUnited Airlines

Tue 9/27:05 pmIAD - DUB

Nonstop7h 05mUnited Airlines

Deal found 3/24

$625

Thu 5/229:50 amDUB - IAD

2 stops16h 18mAir Canada

Tue 7/19:45 amIAD - DUB

2 stops17h 30mAir Canada

Deal found 3/24

$645

Last-minute flights from Dublin to Dulles Intl
Discover last-minute flight deals from Dublin to Dulles Intl. Data last updated March 25, 2025 and is based on user searches.

Sun 3/307:15 pmDUB - IAD

2 stops53h 44mScandinavian Airlines

Sun 4/610:05 pmIAD - DUB

1 stop15h 10mScandinavian Airlines

Deal found 3/24

$642

Mon 3/3112:50 pmDUB - IAD

Nonstop8h 00mAer Lingus

Mon 4/75:20 pmIAD - DUB

Nonstop6h 50mAer Lingus

Deal found 3/24

$490

Mon 3/315:55 amDUB - IAD

1 stop14h 40mDelta

Mon 4/76:30 pmIAD - DUB

1 stop15h 30mDelta

Deal found 3/24

$493

Mon 3/318:45 amDUB - IAD

1 stop16h 25mAmerican Airlines

Sun 4/610:40 pmIAD - DUB

1 stop15h 55mAmerican Airlines

Deal found 3/24

$496

Mon 3/3110:30 amDUB - IAD

1 stop14h 40mBritish Airways

Mon 4/710:40 pmIAD - DUB

1 stop11h 00mBritish Airways

Deal found 3/25

$623

Mon 3/3110:40 amDUB - IAD

1 stop13h 45mLufthansa

Mon 4/710:05 pmIAD - DUB

Nonstop7h 15mLufthansa

Deal found 3/24

$635

Mon 3/319:50 amDUB - IAD

2 stops16h 25mAir Canada

Mon 4/72:40 pmIAD - DUB

1 stop12h 35mAir Canada

Deal found 3/25

$645

Mon 3/311:00 pmDUB - IAD

1 stop32h 15mMultiple Airlines

Mon 4/710:05 pmIAD - DUB

Nonstop7h 15mMultiple Airlines

Deal found 3/25

$671

Mon 3/311:00 pmDUB - IAD

2 stops30h 15mSWISS

Mon 4/75:35 pmIAD - DUB

2 stops19h 15mSWISS

Deal found 3/24

$711

Mon 3/316:50 pmDUB - IAD

1 stop25h 30mTAP AIR PORTUGAL

Mon 4/75:29 pmIAD - DUB

2 stops19h 36mTAP AIR PORTUGAL

Deal found 3/24

$1,644

Fri 4/49:50 amDUB - IAD

1 stop11h 18mUnited Airlines

Mon 4/147:00 pmIAD - DUB

Nonstop7h 10mUnited Airlines

Deal found 3/24

$625

Fri 4/49:50 amDUB - IAD

1 stop11h 18mUnited Airlines

Wed 4/910:05 pmIAD - DUB

Nonstop7h 15mUnited Airlines

Deal found 3/24

$625

One-way flights from Dublin to Dulles Intl
Search for one-way flight options from Dublin to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated March 25, 2025.

Tue 4/228:45 pmDUB - IAD

3 stops48h 50mMultiple Airlines

Deal found 3/24

$370

Wed 6/1812:15 pmDUB - IAD

1 stop12h 05mIcelandair

Deal found 3/24

$371

Wed 6/410:45 amDUB - IAD

1 stop33h 35mTAP AIR PORTUGAL

Deal found 3/24

$381

Tue 6/1712:40 pmDUB - IAD

1 stop12h 19mScandinavian Airlines

Deal found 3/24

$444

Sun 4/134:00 pmDUB - IAD

Nonstop7h 55mAer Lingus

Deal found 3/24

$445

Wed 5/711:30 amDUB - IAD

2 stops16h 24mWestJet

Deal found 3/24

$461

Thu 4/2412:50 pmDUB - IAD

Nonstop8h 00mBritish Airways

Deal found 3/24

$573

Fri 7/251:35 pmDUB - IAD

1 stop35h 10mTurkish Airlines

Deal found 3/24

$643

Tue 9/212:30 pmDUB - IAD

Nonstop8h 05mLufthansa

Deal found 3/23

$644

Fri 4/2512:50 pmDUB - IAD

Nonstop8h 00mAmerican Airlines

Deal found 3/24

$677

Tue 7/298:55 amDUB - IAD

2 stops19h 04mDelta

Deal found 3/24

$796

Tue 6/36:20 amDUB - IAD

2 stops18h 50mIberia

Deal found 3/24

$1,156

Cheapflights Fare Finder

Use the filters below to find and compare flights from Dublin to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 5/10

10:15 am-7:59 pm

1 stop14h 44m

Washington, D.C. Dulles Intl

Sat 5/17

10:05 pm-4:10 pm

1 stop13h 05m

$361

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 4/5

8:55 am-3:35 pm

1 stop11h 40m

Washington, D.C. Dulles Intl

Mon 4/21

9:20 pm-3:00 pm

1 stop12h 40m

$473

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 5/12

2:15 pm-7:20 pm

1 stop10h 05m

Washington, D.C. Dulles Intl

Fri 9/5

8:30 pm-1:15 pm

1 stop11h 45m

$474

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 5/6

12:50 pm-3:50 pm

Nonstop8h 00m

Washington, D.C. Dulles Intl

Tue 5/13

5:20 pm-5:10 am

Nonstop6h 50m

$479

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sun 4/6

10:30 am-8:15 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Mon 4/14

10:40 pm-2:40 pm

1 stop11h 00m

$495

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 4/15

8:55 am-3:35 pm

1 stop11h 40m

Washington, D.C. Dulles Intl

Tue 4/22

9:20 pm-3:00 pm

1 stop12h 40m

$500

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 4/17

8:55 am-3:35 pm

1 stop11h 40m

Washington, D.C. Dulles Intl

Wed 4/23

5:25 pm-10:25 am

1 stop12h 00m

$505

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 4/15

6:00 am-7:15 pm

1 stop18h 15m

Washington, D.C. Dulles Intl

Tue 4/22

9:20 pm-3:00 pm

1 stop12h 40m

$506

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 4/8

8:35 am-8:10 pm

1 stop16h 35m

Washington, D.C. Dulles Intl

Tue 4/15

9:10 am-5:30 am

1 stop15h 20m

$513

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 4/5

12:30 pm-3:30 pm

Nonstop8h 00m

Washington, D.C. Dulles Intl

Mon 4/21

10:05 pm-10:20 am

Nonstop7h 15m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 25 results

Compare providers for flights from Dublin to Dulles Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dublin to Dulles Intl in March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy1 star	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Dublin-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dublin-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dublin-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Dublin-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dublin-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Dublin to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Dublin to Washington, D.C. Dulles Intl Airport trip

Airlines

Aer Lingus

Pre-clear US immigration in Dublin, saving time upon arrival in the US.

Enjoy a complimentary hot meal and drinks on transatlantic flights.

Read more about Aer Lingusby Evie Carrick

United Airlines

Polaris passengers access exclusive lounges with showers and dining at IAD.

Premium Plus offers extra legroom and upgraded meals on international flights.

Read more about United Airlinesby Harriet Baskas

Airports

DUB

For US travelers, preclearance at DUB can be time-consuming. Allow 30-45 minutes after security for this process before heading to your gate.

IAD

The Silver Line Metro now reaches IAD, offering a cheap and quick 40-minute ride to Washington, D.C. from the airport.

Our travel experts

Evie Carrick

Expert on Aer Lingus

Harriet Baskas

Expert on United Airlines

James March

Expert on DUB

Ramsey Qubein

Expert on IAD

Best time to book a flight from Dublin to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Dublin with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Dublin to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Dublin to Washington, D.C. Dulles Intl Airport?

The price you pay for your flight from Dublin to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Dublin to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Dublin to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Dublin to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $387). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DUB to IAD?

It’s typically best to fly out from Dublin to Washington, D.C. Dulles Intl Airport in the afternoon. Doing so could potentially save you 24% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from Dublin to Washington, D.C. Dulles Intl Airport

The most flights from DUB to IAD are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Dulles Intl by month

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

To help decide which airline to fly from Dublin to Washington, D.C., see what other customers have to say about Delta, KLM and SWISS. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,890 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,890 reviews

Delta

8.0

Very good

7,890 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,318 reviews

Delta

8.0

Very good

7,890 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS

7.5

Good

1,569 reviews

Delta

8.0

Very good

7,890 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France

7.4

Good

1,423 reviews

Delta

8.0

Very good

7,890 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,605 reviews

Delta

8.0

Very good

7,890 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What airport do you fly from for flights from Dublin to Washington, D.C. Dulles Intl?
Dublin (DUB) is the airport you will fly out of if you book a flight from Dublin to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Dublin; the airport handles an average of 8 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Dublin airport to Washington, D.C. Dulles Intl. It is only a 5.7 mi journey to Dublin (DUB) from Dublin’s city center.
What are the cheapest airlines flying from Dublin to Washington, D.C. Dulles Intl Airport round-trip?
Currently priced at $361, Scandinavian Airlines will fly you from Dublin to Washington, D.C. Dulles Intl Airport and back. In addition to Scandinavian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Icelandair and Aer Lingus - these airlines can fly you to your destination from $474 and $479, respectively. Scandinavian Airlines is 38% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Dublin to Washington, D.C. Dulles Intl Airport one-way?
For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $371. Users have also found prices from $381 and $444 on TAP AIR PORTUGAL and Scandinavian Airlines, respectively.
What are the most reliable airlines from Dublin to Washington, D.C. Dulles Intl Airport?
Before booking your flight to Washington, D.C. Dulles Intl Airport from Dublin, check out the most reliable airlines to get you to your destination on time: Air Canada (91%), United Airlines (91%), Lufthansa( 91%).
What are the cheapest flights from Dublin to Washington, D.C. Dulles Intl Airport?
The cheapest flight price from Dublin to Washington, D.C. Dulles Intl Airport is $408. On average you can expect to pay $1,171. The most popular route, (Dublin - Washington, D.C. Dulles Intl), can usually be booked for $417.
Can I find deals for flights from Dublin to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Dublin to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dublin to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Dulles Intl.
Can I find deals for business class flights from Dublin to Dulles Intl?
Yes. Cheapflights offers flight deals from Dublin to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Dublin to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Dublin to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Dublin to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $387). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alexandria

Fairfax

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Springfield

Rockville

Woodbridge

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Top 3 airlines flying from Dublin to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest$256	Average$460	FlexibilityNo cancel fee	On-timeN/A
Aer Lingus	Cheapest$419	Average$656	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$612	Average$748	FlexibilityNo cancel fee	On-time69%

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$361+ Cheap flights from Dublin (DUB) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/10. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Dublin to Washington, D.C. Dulles Intl are usually found in February or January, booked 73 days in advance, depart on a Monday or Saturday and return on a Tuesday

Cheap flight deals from Dublin to Dulles Intl

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Find flight deals from Dublin to Dulles Intl

Cheapest flights from Dublin to Dulles IntlExplore the most affordable flight options available from Dublin to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

Explore the most affordable flight options available from Dublin to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

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Use the filters below to find and compare flights from Dublin to Washington, D.C. Dulles Intl Airport that are best for you.

Compare providers for flights from Dublin to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dublin to Dulles Intl in March.

The best insider tips for Dublin to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Dublin to Washington, D.C. Dulles Intl Airport trip

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Best time to book a flight from Dublin to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Dublin with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Dublin to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Dublin to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Dublin to Dulles Intl. Price data was last updated on March 21, 2025.

What is the cheapest month to book a flight from Dublin to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to fly from DUB to IAD?

Find hourly flight availability from Dublin to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2025.

Weekly flight availability from Dublin to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Dublin to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 25, 2025.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing Dulles Intl

To help decide which airline to fly from Dublin to Washington, D.C., see what other customers have to say about Delta, KLM and SWISS. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dublin to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Dublin to Washington, D.C. Dulles Intl?

What are the cheapest airlines flying from Dublin to Washington, D.C. Dulles Intl Airport round-trip?

What are the cheapest airlines to fly from Dublin to Washington, D.C. Dulles Intl Airport one-way?

What are the most reliable airlines from Dublin to Washington, D.C. Dulles Intl Airport?

What are the cheapest flights from Dublin to Washington, D.C. Dulles Intl Airport?

Can I find deals for flights from Dublin to Dulles Intl that include hotel bookings?

How can I find direct flights from Dublin to Dulles Intl?

Can I find deals for business class flights from Dublin to Dulles Intl?

What is the cheapest month to book a flight from Dublin to Washington, D.C. Dulles Intl Airport?

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Alternative routes for Dublin to Dulles Intl

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Top 3 airlines flying from Dublin to Dulles Intl

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Cheapest flights from Dublin to Dulles Intl
Explore the most affordable flight options available from Dublin to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.