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$212+ 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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — DUB
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap 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 February 3, 2026.

This CrystalTravel deal was found by Cheapflights users on 2/1. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:20 pm
IAD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Sat 4/2510:15 am
DUB
-
IAD
1 stop11h 35m
Scandinavian Airlines
Deal found 2/1$463
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
Wed 2/1810:30 pm
IAD
-
DUB
1 stop19h 50m
TAP AIR PORTUGAL
Mon 3/211:10 am
DUB
-
IAD
1 stop32h 25m
TAP AIR PORTUGAL
Deal found 1/31$466
This oojo deal was found by Cheapflights users on 2/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2610:35 pm
IAD
-
DUB
1 stop14h 30m
TAP AIR PORTUGAL
Wed 5/610:45 am
DUB
-
IAD
1 stop14h 50m
TAP AIR PORTUGAL
Deal found 2/3$469
This CrystalTravel deal was found by Cheapflights users on 2/1. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:20 pm
IAD
-
DUB
2 stops17h 05m
Scandinavian Airlines
Sat 4/2510:15 am
DUB
-
IAD
1 stop11h 35m
Scandinavian Airlines
Deal found 2/1$470
This oojo deal was found by Cheapflights users on 2/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:20 pm
IAD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Sat 4/2510:15 am
DUB
-
IAD
1 stop11h 35m
Scandinavian Airlines
Deal found 2/1$471
This oojo deal was found by Cheapflights users on 2/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:05 pm
IAD
-
DUB
1 stop11h 55m
TAP AIR PORTUGAL
Wed 4/2210:45 am
DUB
-
IAD
1 stop33h 20m
TAP AIR PORTUGAL
Deal found 2/2$477
This oojo deal was found by Cheapflights users on 2/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:20 pm
IAD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Wed 5/611:00 am
DUB
-
IAD
2 stops34h 50m
Scandinavian Airlines
Deal found 2/1$478
This FlightHub deal was found by Cheapflights users on 2/1. 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.
Sun 4/198:20 pm
IAD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Sat 4/2510:15 am
DUB
-
IAD
1 stop11h 35m
Scandinavian Airlines
Deal found 2/1$480
This oojo deal was found by Cheapflights users on 2/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/128:20 pm
IAD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Sat 4/1810:15 am
DUB
-
IAD
1 stop11h 35m
Scandinavian Airlines
Deal found 2/1$481
This oojo deal was found by Cheapflights users on 2/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:30 pm
IAD
-
DUB
1 stop16h 50m
Scandinavian Airlines
Tue 3/107:05 pm
DUB
-
IAD
1 stop27h 10m
Scandinavian Airlines
Deal found 2/3$484
This KAYAK deal was found by Cheapflights users on 2/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:40 pm
DCA
-
DUB
1 stop8h 40m
JetBlue
Mon 5/1110:40 am
DUB
-
DCA
1 stop12h 06m
JetBlue
Deal found 2/2$489
This KAYAK deal was found by Cheapflights users on 2/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3012:00 pm
DCA
-
DUB
1 stop15h 20m
JetBlue
Sun 5/310:40 am
DUB
-
DCA
1 stop12h 06m
JetBlue
Deal found 2/3$490

Find 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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$463
(CrystalTravel)

One-way from

$212
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$612

Good round-trip deal

$579 or less

Good one-way deal

$406 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Dublin flights.
Search Deals
From Washington, D.C. (WAS) to Ireland
Search Deals
One-way flight from Washington, D.C. (WAS) to Ireland
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Ireland.
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Ireland.
Search Deals

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 February 3, 2026.
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

Tue 3/3

7:40 pm-10:15 am

1 stop9h 35m

Dublin

Tue 3/10

11:30 am-7:40 pm

1 stop12h 10m

$520

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Mon 2/23

7:40 pm-10:15 am

1 stop9h 35m

Dublin

Tue 3/3

11:30 am-6:40 pm

1 stop12h 10m

$562

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 3/10

1:19 pm-11:45 am

2 stops18h 26m

Dublin

Tue 3/31

11:40 am-4:50 pm

2 stops34h 10m

$572

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Sun 2/15

7:40 pm-10:15 am

1 stop9h 35m

Dublin

Thu 2/19

11:30 am-6:40 pm

1 stop12h 10m

$574

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 2/22

1:02 pm-8:10 am

1 stop14h 08m

Dublin

Tue 3/3

12:05 pm-3:20 pm

Nonstop8h 15m

$584

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Tue 4/14

6:00 am-11:10 am

2 stops24h 10m

Dublin

Thu 4/23

9:50 am-9:23 pm

2 stops40h 33m

$586

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 3/4

3:30 pm-8:10 am

1 stop11h 40m

Dublin

Wed 3/11

8:00 am-6:05 pm

1 stop14h 05m

$589

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sun 2/22

1:40 pm-7:45 am

1 stop13h 05m

Dublin

Tue 3/3

11:30 am-5:50 pm

1 stop11h 20m

$590

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 3/3

4:10 pm-7:30 am

1 stop10h 20m

Dublin

Wed 3/11

8:00 am-6:05 pm

1 stop14h 05m

$590

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 3/24

11:20 pm-10:20 am

Nonstop7h 00m

Dublin

Thu 4/2

9:50 am-7:50 am

2 stops27h 00m

$590

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 60 results
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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.
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 $194). Flying from Washington, D.C. to Ireland in June is currently the most expensive (average of $474). 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 February 3, 2026.

When flying from Washington, D.C. to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 February 3, 2026.

The most flights from WAS to IE0 are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

How often are flights from Washington, D.C. to Ireland delayed?

About 18% of weekly flights between Washington, D.C. and Ireland have experienced delays in the past year, with the average delay time being 171 minutes.

What is the most punctual flight time for Washington, D.C. to Ireland flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Washington, D.C. to Ireland flights?

Over the last year, Aer Lingus have had the lowest number of delays on this route, with just 14% of flights being delayed.

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 February 3, 2026.
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
9,235 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,235 reviews
United Airlines
7.4
Good
9,235 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,217 reviews
United Airlines
7.4
Good
9,235 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Aer Lingus
7.2
Good
1,444 reviews
United Airlines
7.4
Good
9,235 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Icelandair
7.1
Good
606 reviews
United Airlines
7.4
Good
9,235 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
PLAY
7.0
Good
United Airlines
7.4
Good
9,235 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 $520, Icelandair 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 Icelandair, which is currently one of the cheapest options available, starting at $248. Aer Lingus flights start at $379 while deals on United Airlines start at $411 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: American Airlines (90%), Aer Lingus (90%), Iberia (90%).

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

    The cheapest flight price from Washington, D.C. to Ireland is $296. On average you can expect to pay $1,204. The most popular route, (Washington, D.C. Dulles Intl - Dublin), can usually be booked for $467.

  • 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 $194). Flying from Washington, D.C. to Ireland in June is currently the most expensive (average of $474). 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
Dulles Intl to Charles de Gaulle flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
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Dulles Intl to Madrid flights
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Reagan-National to Madrid flights
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Reagan-National to Keflavik Intl flights
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Reagan-National to Amsterdam flights
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Dulles Intl to Beauvais-Tille flights
Dulles Intl to Florence flights
Reagan-National to Copenhagen flights
Dulles Intl to Glasgow Intl flights
Reagan-National to Frankfurt flights
Reagan-National to Edinburgh flights

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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$157Average$846FlexibilityNo cancel feeOn-timeN/A
PLAYCheapest$313Average$515FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$369Average$579FlexibilityNo cancel feeOn-time76%
IberiaCheapest$391Average$651FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$428Average$595FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$435Average$849FlexibilityNo cancel feeOn-time71%
Scandinavian AirlinesCheapest$456Average$486FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$457Average$705FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$477Average$650FlexibilityNo cancel feeOn-time62%
British AirwaysCheapest$483Average$688FlexibilityNo cancel feeOn-time70%

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