What are the cheapest airlines to fly from Washington, D.C. to Ireland one-way?

To fly one-way, consider booking your trip with PLAY, which is currently one of the cheapest options available, starting at $263. Icelandair flights start at $330 while deals on WestJet start at $417 one-way.

What are the most popular routes from Washington, D.C. to Ireland?

The most popular route from Washington, D.C. to Ireland is Washington, D.C. Dulles Intl - Dublin. You may also consider Washington, D.C. Reagan-National - Dublin or Baltimore/Washington - Dublin.

What are the cheapest flights from Washington, D.C. to Ireland?

The cheapest flight price from Washington, D.C. to Ireland is $407. On average you can expect to pay $3,138. The most popular route, (Washington, D.C. Dulles Intl - Dublin), can usually be booked for $407.

What are the most reliable airlines from Washington, D.C. to Ireland?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. to Ireland on time: SWISS (89%), Lufthansa (89%), Air Canada (86%).

What are the most popular airlines that fly from Washington, D.C. to Ireland?

When booking a flight from Washington, D.C. to Ireland, you may want to consider flying on American Airlines, British Airways or Aer Lingus as they are the most popular for this route.

What is the cheapest day to fly round-trip from Washington, D.C. to Ireland?

Users have found that flying from Washington, D.C. to Ireland on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Washington, D.C. to Ireland?

To save up to 66% on this flight, we recommend booking at least 36 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington, D.C. to Ireland from $698 1-2 weeks out and tickets from $867 for flights departing within the next 72 hours.

What is the cheapest month to fly from Washington, D.C. to Ireland?

Our data shows that January tends to be the cheapest month to fly to Ireland from Washington, D.C.. Users have commonly found prices around $680 for the month, but tickets can be as low as $303. Due to multiple factors, prepare for potentially higher prices in June.

Can I find deals for flights from Washington, D.C. to Ireland that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Ireland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Ireland.

Can I find deals for business class flights from Washington, D.C. to Ireland?

Yes. Cheapflights offers flight deals from Washington, D.C. to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$544+ Flights from Washington, D.C. to Ireland

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Cheap flight deals from Washington, D.C. to Ireland

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$360 (Gotogate)
One-way from	$263 (PLAY)
Popular in	June
Cheapest in	January
Average price	$796
Good round-trip deal	$704 or less
Good one-way deal	$510 or less

Provider with most accurate pricing for Washington, D.C. (WAS)-Dublin flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Dublin flights.

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From Washington, D.C. (WAS) to Ireland

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One-way flight from Washington, D.C. (WAS) to Ireland

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($162 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Price to beat on a round-trip flight from Washington, D.C. (WAS) to Ireland.

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Price to beat on a one-way flight from Washington, D.C. (WAS) to Ireland.

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Find flight deals from Washington, D.C. to Ireland

Cheapest flights from Washington, D.C. to Ireland
Explore the most affordable flight options available from Washington, D.C. to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Sun 11/96:05 pmBWI - DUB

1 stop10h 35mPLAY

Sun 11/1611:00 amDUB - BWI

1 stop10h 55mPLAY

Deal found 4/21

$297

Tue 5/139:30 pmBWI - DUB

2 stops31h 45mMultiple Airlines

Fri 5/1611:35 amDUB - BWI

2 stops24h 56mMultiple Airlines

Deal found 4/22

$461

Wed 10/228:30 pmBWI - DUB

1 stop11h 45mIcelandair

Wed 11/511:30 amDUB - BWI

1 stop12h 00mIcelandair

Deal found 4/22

$557

Tue 9/210:05 pmIAD - DUB

1 stop32h 45mScandinavian Airlines

Tue 9/97:05 pmDUB - IAD

1 stop29h 54mScandinavian Airlines

Deal found 4/21

$565

Mon 5/55:20 pmIAD - DUB

Nonstop6h 50mAer Lingus

Tue 5/134:35 pmDUB - IAD

Nonstop7h 55mAer Lingus

Deal found 4/22

$566

Tue 5/65:00 pmIAD - DUB

1 stop12h 00mTAP AIR PORTUGAL

Tue 5/136:50 pmDUB - IAD

1 stop25h 30mTAP AIR PORTUGAL

Deal found 4/22

$567

Fri 10/101:45 pmDCA - DUB

1 stop14h 15mJetBlue

Wed 10/1510:40 amDUB - DCA

1 stop12h 20mJetBlue

Deal found 4/21

$571

Fri 8/1511:15 pmIAD - DUB

1 stop9h 00mIcelandair

Sat 8/232:15 pmDUB - IAD

1 stop10h 05mIcelandair

Deal found 4/20

$587

Thu 5/156:50 pmBWI - SNN

2 stops23h 10mMultiple Airlines

Mon 5/1910:15 pmSNN - BWI

2 stops24h 25mMultiple Airlines

Deal found 4/21

$603

Mon 8/410:15 pmIAD - DUB

Nonstop7h 05mUnited Airlines

Tue 8/129:20 amDUB - IAD

2 stops31h 35mUnited Airlines

Deal found 4/22

$606

Mon 5/511:00 amDCA - DUB

1 stop16h 15mAir Canada

Tue 5/139:50 amDUB - DCA

1 stop17h 38mAir Canada

Deal found 4/22

$610

Mon 8/46:00 amDCA - DUB

1 stop24h 10mMultiple Airlines

Tue 8/129:20 amDUB - DCA

1 stop29h 58mMultiple Airlines

Deal found 4/22

$611

Best flights from Washington, D.C. to Ireland
Discover carefully curated flight deals from Washington, D.C. to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 22, 2025.

Tue 5/136:50 pmBWI - DUB

1 stop10h 25mPLAY

Thu 5/1511:35 amDUB - BWI

1 stop11h 05mPLAY

Deal found 4/22

$360

Tue 5/139:30 pmBWI - DUB

2 stops31h 45mMultiple Airlines

Fri 5/1611:35 amDUB - BWI

2 stops24h 56mMultiple Airlines

Deal found 4/22

$461

Wed 9/1010:05 pmIAD - DUB

1 stop32h 45mScandinavian Airlines

Wed 9/177:05 pmDUB - IAD

1 stop29h 54mScandinavian Airlines

Deal found 4/22

$565

Mon 5/55:20 pmIAD - DUB

Nonstop6h 50mAer Lingus

Tue 5/134:35 pmDUB - IAD

Nonstop7h 55mAer Lingus

Deal found 4/22

$566

Wed 5/710:20 pmIAD - DUB

1 stop14h 45mTAP AIR PORTUGAL

Mon 5/196:50 pmDUB - IAD

1 stop25h 30mTAP AIR PORTUGAL

Deal found 4/22

$567

Mon 5/194:15 pmDCA - DUB

1 stop11h 45mJetBlue

Tue 5/2710:40 amDUB - DCA

1 stop14h 20mJetBlue

Deal found 4/22

$586

Mon 5/52:25 pmIAD - DUB

1 stop12h 50mAir Canada

Tue 5/139:50 amDUB - IAD

1 stop28h 49mAir Canada

Deal found 4/22

$604

Mon 8/410:15 pmIAD - DUB

Nonstop7h 05mUnited Airlines

Tue 8/129:20 amDUB - IAD

2 stops31h 35mUnited Airlines

Deal found 4/22

$606

Mon 5/53:43 pmBWI - DUB

1 stop11h 12mDelta

Tue 5/1310:00 amDUB - BWI

1 stop11h 23mDelta

Deal found 4/22

$643

Wed 5/288:30 pmIAD - SNN

1 stop9h 40mKLM

Wed 6/111:05 pmSNN - IAD

1 stop11h 45mKLM

Deal found 4/21

$645

Tue 5/68:45 pmIAD - DUB

1 stop16h 05mSWISS

Tue 5/136:40 pmDUB - IAD

1 stop26h 35mSWISS

Deal found 4/22

$647

Mon 5/510:20 pmIAD - DUB

1 stop13h 35mLufthansa

Thu 5/1510:40 amDUB - IAD

1 stop13h 45mLufthansa

Deal found 4/21

$664

Last-minute flights from Washington, D.C. to Ireland
Discover last-minute flight deals from Washington, D.C. to Ireland. Data last updated April 22, 2025 and is based on user searches.

Sun 4/2710:05 pmIAD - DUB

1 stop15h 10mScandinavian Airlines

Thu 5/812:40 pmDUB - IAD

1 stop12h 19mScandinavian Airlines

Deal found 4/21

$625

Mon 4/285:20 pmIAD - DUB

Nonstop6h 50mAer Lingus

Wed 5/712:50 pmDUB - IAD

Nonstop8h 00mAer Lingus

Deal found 4/21

$617

Tue 4/296:50 pmBWI - DUB

1 stop10h 25mPLAY

Wed 5/711:35 amDUB - BWI

1 stop11h 05mPLAY

Deal found 4/22

$479

Tue 4/297:00 pmIAD - DUB

Nonstop7h 10mUnited Airlines

Tue 5/69:50 amDUB - IAD

2 stops33h 38mUnited Airlines

Deal found 4/22

$614

Tue 4/295:07 pmBWI - DUB

1 stop11h 38mUnited Airlines

Tue 5/69:50 amDUB - BWI

2 stops33h 26mUnited Airlines

Deal found 4/22

$618

Tue 4/296:20 amDCA - DUB

1 stop22h 25mMultiple Airlines

Tue 5/69:50 amDUB - DCA

1 stop28h 03mMultiple Airlines

Deal found 4/22

$619

Tue 4/298:25 amIAD - DUB

1 stop21h 45mMultiple Airlines

Tue 5/69:50 amDUB - IAD

1 stop28h 49mMultiple Airlines

Deal found 4/22

$619

Tue 4/293:30 pmDCA - DUB

1 stop13h 15mUnited Airlines

Thu 5/89:50 amDUB - DCA

1 stop14h 53mUnited Airlines

Deal found 4/22

$631

Tue 4/298:45 pmIAD - DUB

1 stop16h 05mSWISS

Mon 5/51:00 pmDUB - IAD

1 stop32h 15mSWISS

Deal found 4/22

$659

Tue 4/2910:20 pmIAD - DUB

1 stop13h 35mLufthansa

Fri 5/910:40 amDUB - IAD

1 stop13h 45mLufthansa

Deal found 4/22

$665

Thu 5/110:20 pmIAD - DUB

1 stop20h 45mTAP AIR PORTUGAL

Wed 5/710:45 amDUB - IAD

1 stop33h 35mTAP AIR PORTUGAL

Deal found 4/21

$703

Fri 5/26:50 pmBWI - DUB

2 stops19h 20mMultiple Airlines

Thu 5/83:20 pmDUB - BWI

2 stops31h 20mMultiple Airlines

Deal found 4/21

$553

One-way flights from Washington, D.C. to Ireland
Search for one-way flight options from Washington, D.C. to Ireland. Find affordable one-way fares based on user searches. Data last updated April 22, 2025.

Wed 7/166:50 pmBWI - DUB

1 stop10h 25mPLAY

Deal found 4/22

$263

Wed 7/96:50 pmBWI - DUB

2 stops23h 50mMultiple Airlines

Deal found 4/22

$272

Sat 7/121:32 pmIAD - SNN

2 stops38h 58mMultiple Airlines

Deal found 4/22

$294

Wed 5/78:30 pmBWI - DUB

1 stop11h 45mIcelandair

Deal found 4/22

$330

Wed 5/78:30 pmBWI - ORK

2 stops20h 15mMultiple Airlines

Deal found 4/22

$344

Sun 6/16:00 amDCA - SNN

3 stops28h 10mMultiple Airlines

Deal found 4/21

$347

Wed 5/78:30 pmIAD - ORK

2 stops20h 15mMultiple Airlines

Deal found 4/22

$386

Sun 6/19:24 amBWI - SNN

3 stops57h 46mMultiple Airlines

Deal found 4/21

$390

Tue 6/176:00 amBWI - DUB

3 stops22h 00mWestJet

Deal found 4/22

$417

Sun 6/111:00 amDCA - DUB

2 stops32h 40mMultiple Airlines

Deal found 4/21

$449

Wed 5/75:20 pmIAD - DUB

Nonstop6h 50mAer Lingus

Deal found 4/22

$458

Wed 6/189:39 amDCA - DUB

3 stops17h 56mWestJet

Deal found 4/21

$460

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Tue 10/14

6:50 pm-10:15 am

1 stop10h 25m

Dublin

Mon 10/20

11:35 am-5:40 pm

1 stop11h 05m

$314

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Tue 5/13

9:30 pm-10:15 am

2 stops31h 45m

Dublin

Fri 5/16

11:35 am-7:31 am

2 stops24h 56m

$461

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 9/2

10:05 pm-11:50 am

1 stop32h 45m

Dublin

Sun 9/14

5:00 pm-7:59 pm

1 stop31h 59m

$565

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 5/5

5:20 pm-5:10 am

Nonstop6h 50m

Dublin

Tue 5/13

4:35 pm-7:30 pm

Nonstop7h 55m

$566

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 5/6

5:00 pm-10:00 am

1 stop12h 00m

Dublin

Tue 5/13

6:50 pm-3:20 pm

1 stop25h 30m

$567

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 5/19

4:15 pm-9:00 am

1 stop11h 45m

Dublin

Tue 5/27

10:40 am-8:00 pm

1 stop14h 20m

$586

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Fri 8/15

11:15 pm-1:15 pm

1 stop9h 00m

Dublin

Thu 8/21

2:15 pm-10:10 pm

1 stop12h 55m

$587

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Sun 8/17

8:30 pm-1:15 pm

1 stop11h 45m

Dublin

Fri 8/22

12:15 pm-7:25 pm

1 stop12h 10m

$602

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Thu 5/15

6:50 pm-11:00 pm

2 stops23h 10m

Shannon

Mon 5/19

10:15 pm-5:40 pm

2 stops24h 25m

$603

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 8/4

10:15 pm-10:20 am

Nonstop7h 05m

Dublin

Tue 8/12

9:20 am-11:55 am

2 stops31h 35m

$606

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 60 results

...

Best time to book a flight from Washington, D.C. to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Washington, D.C. 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 Washington, D.C. to Ireland

What is the cheapest month to book a flight from Washington, D.C. to Ireland?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Ireland (average of $509). Flying from Washington, D.C. to Ireland in June is currently the most expensive (average of $1,006). 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 WAS to IE?

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Ireland in the morning. If you’re flexible enough to do this you can expect to save up to 6% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Washington, D.C. to Ireland?

Travelers seeking maximum savings on their Washington, D.C. to Ireland flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Ireland

The most flights from WAS to IE0 are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in Ireland by month

In terms of precipitation, rainfall in Ireland ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Ireland when rainfall is around 1.9 in.

Temperature in Ireland by month

If weather is an important factor for your trip to Ireland, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Ireland

Read through reviews of airlines operating flights from Washington, D.C. to Ireland, such as Delta, KLM and Austrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,920 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,331 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines

7.6

Good

780 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS

7.5

Good

1,582 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.4

Good

1,441 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from Washington, D.C. to Ireland one-way?
To fly one-way, consider booking your trip with PLAY, which is currently one of the cheapest options available, starting at $263. Icelandair flights start at $330 while deals on WestJet start at $417 one-way.
What are the most popular routes from Washington, D.C. to Ireland?
The most popular route from Washington, D.C. to Ireland is Washington, D.C. Dulles Intl - Dublin. You may also consider Washington, D.C. Reagan-National - Dublin or Baltimore/Washington - Dublin.
What are the most reliable airlines from Washington, D.C. to Ireland?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. to Ireland on time: SWISS (89%), Lufthansa (89%), Air Canada (86%).
What are the cheapest flights from Washington, D.C. to Ireland?
The cheapest flight price from Washington, D.C. to Ireland is $407. On average you can expect to pay $3,138. The most popular route, (Washington, D.C. Dulles Intl - Dublin), can usually be booked for $407.
Can I find deals for flights from Washington, D.C. to Ireland that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Ireland.
Can I find deals for business class flights from Washington, D.C. to Ireland?
Yes. Cheapflights offers flight deals from Washington, D.C. to Ireland 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 Washington, D.C. to Ireland?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Ireland (average of $509). Flying from Washington, D.C. to Ireland in June is currently the most expensive (average of $1,006). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington, D.C. to Ireland

Dulles Intl to Heathrow flights

Dulles Intl to Charles de Gaulle flights

Dulles Intl to Leonardo da Vinci/Fiumicino flights

Dulles Intl to Athens flights

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Reagan-National to Gatwick flights

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Dulles Intl to Frankfurt flights

Reagan-National to Leonardo da Vinci/Fiumicino flights

Dulles Intl to Amsterdam flights

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Reagan-National to Madrid flights

Reagan-National to Athens flights

Dulles Intl to Edinburgh flights

Dulles Intl to Bruxelles-National flights

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Reagan-National to Lisbon flights

Reagan-National to Dublin flights

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Dulles Intl to Linate flights

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Reagan-National to Malpensa flights

Reagan-National to Barcelona-El Prat flights

Dulles Intl to Vienna flights

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Reagan-National to Frankfurt flights

Dulles Intl to Geneva flights

Dulles Intl to Luton flights

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Dulles Intl to Oslo Gardermoen flights

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Dulles Intl to Frederic Chopin flights

Reagan-National to Vicenza flights

Washington, D.C. to Ireland flights

Baltimore to Dublin flights

Dulles Intl to Shannon flights

Baltimore to Shannon flights

Reagan-National to Shannon flights

Dulles Intl to Cork flights

Baltimore to Cork flights

Reagan-National to Cork flights

Dulles Intl to Milltown (Kerry) flights

Baltimore to Donegal flights

Dulles Intl to Donegal flights

Dulles Intl to Knock flights

Baltimore to Milltown (Kerry) flights

Reagan-National to Donegal flights

Top 10 airlines flying from Washington, D.C. to Ireland

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest$283	Average$418	FlexibilityNo cancel fee	On-timeN/A
Scandinavian Airlines	Cheapest$303	Average$494	FlexibilityNo cancel fee	On-time77%
Icelandair	Cheapest$423	Average$718	FlexibilityNo cancel fee	On-time76%
Aer Lingus	Cheapest$477	Average$756	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$483	Average$813	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$512	Average$943	FlexibilityNo cancel fee	On-time69%
TAP AIR PORTUGAL	Cheapest$514	Average$673	FlexibilityNo cancel fee	On-timeN/A
Delta	Cheapest$548	Average$1,005	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$571	Average$909	FlexibilityNo cancel fee	On-time71%
JetBlue	Cheapest$577	Average$752	FlexibilityNo cancel fee	On-time62%

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$241+ Cheap flights from Washington, D.C. (WAS) to Ireland

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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Ireland with Cheapflights

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Cheap flight deals from Washington, D.C. to Ireland

Keep the following information in mind while searching for Washington, D.C. to Ireland flight deals. Data was last updated April 22, 2025.

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Find flight deals from Washington, D.C. to Ireland

Cheapest flights from Washington, D.C. to IrelandExplore the most affordable flight options available from Washington, D.C. to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Explore the most affordable flight options available from Washington, D.C. to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

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Best time to book a flight from Washington, D.C. to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Washington, D.C. with our price prediction graph.

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Everything you need to know about your flight from Washington, D.C. to Ireland

What is the cheapest month to book a flight from Washington, D.C. to Ireland?

What is the cheapest time of day to fly from WAS to IE?

Find hourly flight availability from Washington, D.C. to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 22, 2025.

What is the cheapest day to fly from Washington, D.C. to Ireland?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Ireland. Price data was last updated on September 8, 2024.

Weekly flight availability from Washington, D.C. to Ireland

Rainfall in Ireland by month

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

Temperature in Ireland by month

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

Reviews of airlines servicing Ireland

Read through reviews of airlines operating flights from Washington, D.C. to Ireland, such as Delta, KLM and Austrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Washington, D.C. to Ireland one-way?

What are the most popular routes from Washington, D.C. to Ireland?

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Can I find deals for flights from Washington, D.C. to Ireland that include hotel bookings?

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Can I find deals for business class flights from Washington, D.C. to Ireland?

What is the cheapest month to book a flight from Washington, D.C. to Ireland?

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Alternative routes for Washington, D.C. to Ireland

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Top 10 airlines flying from Washington, D.C. to Ireland

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Cheapest flights from Washington, D.C. to Ireland
Explore the most affordable flight options available from Washington, D.C. to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.