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Dulles Intl

$362+ Cheap flights from Dublin (DUB) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — IAD
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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The best prices from Dublin to Washington, D.C. Dulles Intl are usually found in January or November, booked 67 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Dublin to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$404
(Flightnetwork)

One-way from

$362
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$511

Good round-trip deal

$638 or less

Good one-way deal

$395 or less
Provider with most accurate pricing for Dublin-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Dublin-Washington, D.C. Dulles Intl flights.
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From Dublin to Washington, D.C. Dulles Intl
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One-way flight from Dublin to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($140 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 February 22, 2025.

This Flightnetwork deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/312:20 pmDUB - IAD
2 stops36h 39mScandinavian Airlines
Mon 4/710:05 pmIAD - DUB
1 stop15h 10mScandinavian Airlines
Deal found 2/21$404
This Gotogate deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2412:15 pmDUB - IAD
1 stop12h 05mIcelandair
Wed 10/88:30 pmIAD - DUB
1 stop11h 45mIcelandair
Deal found 2/20$406
This Expedia deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2812:30 pmDUB - IAD
Nonstop8h 10mAer Lingus
Thu 3/65:10 pmIAD - DUB
Nonstop6h 45mAer Lingus
Deal found 2/21$488
This Booking.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/131:10 pmDUB - IAD
1 stop11h 35mBritish Airways
Thu 3/2010:55 pmIAD - DUB
1 stop11h 50mBritish Airways
Deal found 2/20$492
This Delta deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/15:55 amDUB - IAD
2 stops18h 00mDelta
Sun 3/2310:30 pmIAD - DUB
1 stop13h 10mDelta
Deal found 2/21$500
This Air France deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/136:00 amDUB - IAD
1 stop15h 20mAir France
Sun 4/279:20 pmIAD - DUB
1 stop12h 40mAir France
Deal found 2/21$506
This Mytrip deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/310:00 pmDUB - IAD
2 stops27h 50mMultiple Airlines
Mon 4/710:20 pmIAD - DUB
2 stops18h 00mMultiple Airlines
Deal found 2/21$508
This Gotogate deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/24:25 amDUB - IAD
1 stop13h 35mTAP AIR PORTUGAL
Fri 11/2810:30 pmIAD - DUB
1 stop19h 50mTAP AIR PORTUGAL
Deal found 2/21$545
This United Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/289:00 amDUB - IAD
1 stop17h 23mUnited Airlines
Fri 3/710:05 pmIAD - DUB
Nonstop7h 00mUnited Airlines
Deal found 2/21$550
This Lufthansa deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/510:45 amDUB - IAD
1 stop14h 20mLufthansa
Sun 3/911:05 pmIAD - DUB
Nonstop7h 00mLufthansa
Deal found 2/21$561
This FlightHub deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/62:40 pmDUB - IAD
1 stop33h 50mTurkish Airlines
Thu 3/133:00 pmIAD - DUB
1 stop18h 40mTurkish Airlines
Deal found 2/20$590
This SWISS deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/81:00 pmDUB - IAD
1 stop32h 15mSWISS
Tue 4/158:45 pmIAD - DUB
1 stop30h 10mSWISS
Deal found 2/22$621

Find flights from Dublin to Dulles Intl within your budget

Customize your flight search to find flights from Dublin to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2025.

Fly from

Dublin

Fly to

Dulles Intl

Route

Depart

Return

Price

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 4/3

12:20 pm-7:59 pm

2 stops36h 39m

Washington, D.C. Dulles Intl

Mon 4/7

10:05 pm-6:15 pm

1 stop15h 10m

$404

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 4/3

12:15 pm-7:20 pm

1 stop12h 05m

Washington, D.C. Dulles Intl

Mon 4/7

8:30 pm-11:05 am

1 stop9h 35m

$407

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 3/5

8:40 am-3:35 pm

1 stop11h 55m

Washington, D.C. Dulles Intl

Sun 3/9

10:55 pm-3:05 pm

1 stop12h 10m

$491

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 3/20

5:55 am-7:19 pm

2 stops17h 24m

Washington, D.C. Dulles Intl

Thu 3/27

10:30 pm-3:40 pm

1 stop13h 10m

$500

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sun 4/13

6:00 am-4:20 pm

1 stop15h 20m

Washington, D.C. Dulles Intl

Sun 4/27

9:20 pm-3:00 pm

1 stop12h 40m

$506

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 4/3

10:00 pm-8:50 pm

2 stops27h 50m

Washington, D.C. Dulles Intl

Mon 4/7

10:20 pm-9:20 pm

2 stops18h 00m

$508

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 3/15

12:30 pm-4:40 pm

Nonstop8h 10m

Washington, D.C. Dulles Intl

Sun 6/1

8:25 pm-8:15 am

Nonstop6h 50m

$512

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 3/5

10:45 am-8:05 pm

1 stop14h 20m

Washington, D.C. Dulles Intl

Sun 3/9

11:05 pm-10:05 am

Nonstop7h 00m

$561

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 3/6

2:40 pm-7:30 pm

1 stop33h 50m

Washington, D.C. Dulles Intl

Thu 3/13

3:00 pm-1:40 pm

1 stop18h 40m

$590

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 4/3

9:50 am-4:08 pm

1 stop11h 18m

Washington, D.C. Dulles Intl

Mon 4/7

7:00 pm-7:10 am

Nonstop7h 10m

$606

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 27 results
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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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust 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.

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.

Travel insights for flights from Dublin to Dulles Intl

Get recent, data-driven insights about flights from Dublin to Dulles Intl including ideal travel times, pricing trends, and more.

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 February 14, 2025.

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 67 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 $389). 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?

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 February 22, 2025.

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 22% 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

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 February 22, 2025.

The most flights from DUB to IAD are scheduled on a Monday (6 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Dulles Intl by month

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

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

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated February 22, 2025.
To help decide which airline to fly from Dublin to Washington, D.C., see what other customers have to say about Delta, KLM and Austrian Airlines. 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
8,203 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

8.0

Food

7.3

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
8,203 reviews
Delta
8.0
Very good
8,203 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

8.0

Food

7.3

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
1,332 reviews
Delta
8.0
Very good
8,203 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

8.0

Food

7.3

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

Austrian Airlines
7.5
Good
771 reviews
Delta
8.0
Very good
8,203 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

8.0

Food

7.3

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
1,566 reviews
Delta
8.0
Very good
8,203 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

8.0

Food

7.3

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
8,754 reviews
Delta
8.0
Very good
8,203 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

8.0

Food

7.3

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

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?

    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 5 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 $404, 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 $407 and $488, respectively. Scandinavian Airlines is 31% 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 $382. Users have also found prices from $414 and $415 on WestJet and TAP AIR PORTUGAL, 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: SWISS (100%), Air Canada (90%), United Airlines( 90%).

  • 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 $362. On average you can expect to pay $907. The most popular route, (Dublin - Washington, D.C. Dulles Intl), can usually be booked for $401.

  • 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 $389). 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.

See more FAQs

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
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Gaithersburg
Silver Spring
Fredericksburg
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Alternative routes for Dublin to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Dublin to Reagan-National flights
Dublin to Baltimore flights
Shannon to Dulles Intl flights
Shannon to Baltimore flights
Cork to Baltimore flights

Top 3 airlines flying from Dublin to Dulles Intl

Discover the top 3 airlines that operate flights from Dublin to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$256Average$330FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$419Average$643FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$605Average$726FlexibilityNo cancel feeOn-time69%
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