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$217+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — DUB
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 September 11, 2025.

Round-trip from

$313
(PLAY)

One-way from

$217
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$626

Good round-trip deal

$592 or less

Good one-way deal

$462 or less
From Washington, D.C. (WAS) to Ireland
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One-way flight from Washington, D.C. (WAS) to Ireland
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Highest demand for flights based on searches. 12% potential increase in price ($91 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This Booking.com deal was found by Cheapflights users on 9/9. 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.
Wed 9/176:50 pmBWI - DUB
1 stop10h 20mPLAY
Thu 9/2511:35 amDUB - BWI
1 stop11h 05mPLAY
Deal found 9/9$296
This PLAY deal was found by Cheapflights users on 9/10. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/216:50 pmBWI - DUB
1 stop10h 20mPLAY
Thu 9/2511:35 amDUB - BWI
1 stop11h 05mPLAY
Deal found 9/10$313
This Mytrip deal was found by Cheapflights users on 9/9. 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.
Sun 9/216:50 pmBWI - DUB
1 stop10h 20mPLAY
Sat 9/2711:35 amDUB - BWI
1 stop11h 05mPLAY
Deal found 9/9$315
This CheapOair deal was found by Cheapflights users on 9/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/206:50 pmBWI - DUB
1 stop10h 30mPLAY
Fri 9/2611:35 amDUB - BWI
1 stop11h 05mPLAY
Deal found 9/9$319
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/206:50 pmBWI - DUB
1 stop10h 30mPLAY
Thu 9/2511:35 amDUB - BWI
1 stop11h 05mPLAY
Deal found 9/9$324
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/196:50 pmBWI - DUB
1 stop10h 15mPLAY
Thu 9/2511:35 amDUB - BWI
1 stop11h 05mPLAY
Deal found 9/9$341
This PLAY deal was found by Cheapflights users on 9/9. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:50 pmBWI - DUB
1 stop10h 30mPLAY
Sat 10/411:35 amDUB - BWI
1 stop11h 05mPLAY
Deal found 9/9$366
This PLAY deal was found by Cheapflights users on 9/9. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/136:50 pmBWI - DUB
1 stop10h 30mPLAY
Sat 9/2011:35 amDUB - BWI
1 stop11h 05mPLAY
Deal found 9/9$376
This Booking.com deal was found by Cheapflights users on 9/10. 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.
Sat 9/206:50 pmBWI - DUB
1 stop10h 30mPLAY
Mon 9/2211:35 amDUB - BWI
1 stop11h 05mPLAY
Deal found 9/10$382
This PLAY deal was found by Cheapflights users on 9/9. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/286:50 pmBWI - DUB
1 stop10h 20mPLAY
Sun 10/511:35 amDUB - BWI
1 stop11h 05mPLAY
Deal found 9/9$393
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 11/410:20 pmIAD - DUB
Nonstop7h 00mUnited Airlines
Fri 11/149:00 amDUB - IAD
1 stop11h 51mUnited Airlines
Deal found 9/11$456
This Delta deal was found by Cheapflights users on 9/11. 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.
Sun 11/25:00 amDCA - DUB
1 stop22h 20mDelta
Tue 11/119:45 amDUB - DCA
1 stop13h 14mDelta
Deal found 9/11$458

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Ireland 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 September 11, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Ireland that are best for you.

Fly from

Washington, D.C.

Fly to

Ireland

Route

Depart

Return

Price

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Sun 9/28

6:50 pm-10:10 am

1 stop10h 20m

Dublin

Sun 10/5

11:35 am-5:40 pm

1 stop11h 05m

$393

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Sat 12/6

7:40 pm-10:15 am

1 stop9h 35m

Dublin

Sun 12/14

11:30 am-6:40 pm

1 stop12h 10m

$429

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Mon 10/27

4:44 pm-7:45 am

1 stop11h 01m

Dublin

Wed 11/5

9:45 am-5:17 pm

1 stop12h 32m

$444

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Tue 12/2

10:20 am-8:10 am

1 stop16h 50m

Dublin

Fri 12/12

9:00 am-5:24 pm

2 stops37h 24m

$447

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Wed 11/19

1:51 pm-7:45 am

1 stop12h 54m

Dublin

Wed 12/3

9:45 am-5:14 pm

1 stop12h 29m

$452

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Wed 10/22

5:20 pm-9:45 am

1 stop11h 25m

Dublin

Fri 11/7

10:40 am-5:14 pm

1 stop11h 34m

$452

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Wed 11/5

1:41 pm-7:45 am

1 stop13h 04m

Dublin

Tue 11/11

9:45 am-6:08 pm

1 stop13h 23m

$452

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Tue 10/28

5:00 pm-9:20 am

1 stop12h 20m

Dublin

Tue 11/4

10:45 am-10:15 pm

2 stops16h 30m

$457

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Tue 12/2

2:41 pm-9:20 am

1 stop13h 39m

Dublin

Fri 12/12

11:30 am-10:09 pm

2 stops15h 39m

$457

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Sun 11/30

2:35 pm-9:20 am

1 stop13h 45m

Dublin

Tue 12/9

9:45 am-11:02 pm

2 stops18h 17m

$457

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 60 results
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2
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6

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 $924). 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?

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 September 11, 2025.

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 1% on your trip compared to booking a flight at noon.

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.

Travelers seeking maximum savings on their Washington, D.C. to Ireland flight should consider departing on Tuesday evenings when fares are most often at their lowest. Friday afternoons 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

Explore weekly flight availability from Washington, D.C. to Ireland. 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 September 11, 2025.

The most flights from WAS to IE0 are scheduled on a Tuesday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated September 11, 2025.
Peruse reviews from past customers who have flown with United Airlines, American Airlines, and Aer Lingus from Washington, D.C. to Ireland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Aer Lingus
7.2
Good
1,271 reviews
United Airlines
7.4
Good
8,937 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Icelandair
7.0
Good
546 reviews
United Airlines
7.4
Good
8,937 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
PLAY
7.0
Good
103 reviews
United Airlines
7.4
Good
8,937 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • How long is the flight from Washington, D.C. to Ireland?

    For as low as $429, PLAY can have you in Ireland from Washington, D.C. in 9h 35m. There are 3351 mi between Washington, D.C. and Ireland. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $261. WorldTicket flights start at $269 while deals on American Airlines start at $387 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 Baltimore/Washington - Dublin or Washington, D.C. Reagan-National - 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: American Airlines (67%), Aer Lingus (67%), Iberia (67%).

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

    The cheapest flight price from Washington, D.C. to Ireland is $385. On average you can expect to pay $622. The most popular route, (Washington, D.C. Dulles Intl - Dublin), can usually be booked for $356.

  • 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 $924). 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

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Alternative routes for Washington, D.C. to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Heathrow flights
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Reagan-National to Leonardo da Vinci/Fiumicino flights
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Dulles Intl to Edinburgh flights
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Reagan-National to Lisbon flights
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Dulles Intl to Sabiha Gokcen flights
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Dulles Intl to Beauvais-Tille flights
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Dulles Intl to Linate flights
Reagan-National to Bruxelles-National flights
Reagan-National to Amsterdam flights
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Dulles Intl to Vicenza flights
Reagan-National to Munich flights
Dulles Intl to Berlin flights
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Top 10 airlines flying from Washington, D.C. to Ireland

Discover the top 10 airlines that operate flights from Washington, D.C. to Ireland. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$282Average$423FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$409Average$662FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$427Average$569FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$435Average$936FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$457Average$708FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$465Average$761FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$472Average$496FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$496Average$804FlexibilityNo cancel feeOn-time69%
DeltaCheapest$496Average$866FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$507Average$673FlexibilityNo cancel feeOn-time62%

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