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$320+ Cheap flights from Reagan-National (DCA) 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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — DUB
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Reagan-National to Ireland

Cheapest flights from Reagan-National to Ireland
Explore the most affordable flight options available from Reagan-National to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This oojo deal was found by Cheapflights users on 12/16. 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.
Tue 12/306:00 amDCA - DUB
2 stops20h 55mBritish Airways
Sat 1/1010:55 amDUB - DCA
2 stops16h 03mBritish Airways
Deal found 12/16$780
This Air Canada deal was found by Cheapflights users on 12/16. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 amDCA - DUB
2 stops23h 15mAir Canada
Wed 1/73:30 pmDUB - DCA
2 stops35h 26mAir Canada
Deal found 12/16$870
This Air Canada deal was found by Cheapflights users on 12/16. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 amDCA - DUB
2 stops23h 15mAir Canada
Tue 1/67:45 pmDUB - DCA
2 stops42h 10mAir Canada
Deal found 12/16$874
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Thu 12/256:30 amDCA - DUB
1 stop20h 40mUnited Airlines
Thu 1/110:40 amDUB - DCA
1 stop28h 19mUnited Airlines
Deal found 12/16$977
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 12/294:26 pmDCA - DUB
1 stop10h 04mUnited Airlines
Wed 1/79:30 amDUB - DCA
1 stop10h 09mUnited Airlines
Deal found 12/16$1,004
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/246:00 pmDCA - DUB
1 stop33h 10mUnited Airlines
Wed 12/3110:40 amDUB - DCA
1 stop18h 19mUnited Airlines
Deal found 12/15$1,095
This oojo deal was found by Cheapflights users on 12/16. 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.
Tue 12/302:07 pmDCA - DUB
2 stops13h 48mIberia
Sat 1/1011:15 amDUB - DCA
1 stop12h 53mIberia
Deal found 12/16$1,107
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Thu 12/251:00 pmDCA - DUB
1 stop14h 10mUnited Airlines
Wed 12/3110:40 amDUB - DCA
1 stop18h 19mUnited Airlines
Deal found 12/15$1,129
This Cheapflightsfares deal was found by Cheapflights users on 12/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/253:25 pmDCA - DUB
2 stops17h 10mBritish Airways
Wed 12/316:30 amDUB - DCA
2 stops21h 59mBritish Airways
Deal found 12/15$1,131
This Delta deal was found by Cheapflights users on 12/17. 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.
Thu 12/257:00 amDCA - DUB
1 stop21h 20mDelta
Wed 12/3111:30 amDUB - DCA
1 stop26h 41mDelta
Deal found 12/17$1,144
This American Airlines deal was found by Cheapflights users on 12/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/263:25 pmDCA - ORK
2 stops14h 45mAmerican Airlines
Tue 1/611:55 amORK - DCA
2 stops15h 08mAmerican Airlines
Deal found 12/17$1,182
This oojo deal was found by Cheapflights users on 12/17. 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.
Thu 12/253:25 pmDCA - SNN
2 stops20h 20mBritish Airways
Wed 12/317:50 amSNN - DCA
2 stops21h 09mBritish Airways
Deal found 12/17$1,408

Find flight deals from Reagan-National to Ireland

Keep the following information in mind while searching for Reagan-National to Ireland flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$518
(JetBlue)

One-way from

$320
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$885
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. Reagan-National to Ireland
Search Deals
One-way flight from Washington, D.C. Reagan-National to Ireland
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 December 18, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Ireland that are best for you.

Fly from

Reagan-National

Fly to

Ireland

Route

Depart

Return

Price

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 5/6

3:59 pm-8:20 am

1 stop11h 21m

Dublin

Fri 5/15

11:45 am-10:59 pm

1 stop16h 14m

$575

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 1/14

2:00 pm-8:10 am

1 stop13h 10m

Dublin

Wed 1/21

9:00 am-6:05 pm

1 stop14h 05m

$585

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 4/14

5:00 pm-7:30 am

1 stop9h 30m

Dublin

Wed 4/22

9:50 am-6:03 pm

1 stop13h 13m

$590

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 4/14

5:00 pm-7:30 am

1 stop9h 30m

Dublin

Fri 4/24

9:50 am-6:03 pm

1 stop13h 13m

$590

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 4/15

5:00 pm-9:45 am

1 stop11h 45m

Dublin

Tue 4/28

9:50 am-7:53 pm

1 stop15h 03m

$590

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 5/6

12:45 pm-8:15 am

2 stops14h 30m

Dublin

Wed 5/13

9:20 am-7:58 pm

1 stop15h 38m

$592

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 2/9

1:44 pm-8:40 am

1 stop13h 56m

Dublin

Thu 2/19

11:30 am-7:59 pm

1 stop13h 29m

$601

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 1/7

1:00 pm-8:10 am

1 stop14h 10m

Dublin

Tue 1/13

10:40 am-8:59 pm

1 stop15h 19m

$601

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 2/18

11:06 am-8:00 am

2 stops15h 54m

Dublin

Tue 2/24

5:55 am-5:50 pm

2 stops16h 55m

$604

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sun 1/11

12:59 pm-7:10 am

2 stops13h 11m

Dublin

Tue 3/17

9:30 am-3:23 pm

1 stop9h 53m

$607

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 45 results
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Best time to book a flight from Reagan-National to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Reagan-National 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. Reagan-National Airport to Ireland

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Ireland (average of $204). Flying from Washington, D.C. Reagan-National Airport to Ireland in June is currently the most expensive (average of $633). 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 DCA to IE?

Find hourly flight availability from Reagan-National 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 December 18, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 13% on flights from Washington, D.C. Reagan-National Airport to Ireland by exploring options for tickets in the afternoon.

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 December 18, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines, and JetBlue from Washington, D.C. Reagan-National Airport to Ireland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,092 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,092 reviews
United Airlines
7.4
Good
9,092 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
American Airlines
7.2
Good
11,053 reviews
United Airlines
7.4
Good
9,092 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
JetBlue
7.2
Good
2,895 reviews
United Airlines
7.4
Good
9,092 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
Aer Lingus
7.2
Good
1,395 reviews
United Airlines
7.4
Good
9,092 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National Airport to Ireland?

    There are many flights that can get you from Washington, D.C. Reagan-National Airport to Ireland in 11h 21m. Fly via JetBlue, United Airlines, or American Airlines to get the fastest option. There are 3381 mi between Washington, D.C. Reagan-National Airport and Ireland. This flight may include one or multiple stops.

  • What are the most popular routes from Washington, D.C. Reagan-National Airport to Ireland?

    Most travelers choose Washington, D.C. Reagan-National - Dublin, Washington, D.C. Reagan-National - Shannon or Washington, D.C. Reagan-National - Cork when deciding on the best route from Washington, D.C. Reagan-National Airport to Ireland.

  • Can I find deals for flights from Reagan-National to Ireland that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Ireland?

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

  • Can I find deals for business class flights from Reagan-National to Ireland?

    Yes. Cheapflights offers flight deals from Reagan-National 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. Reagan-National Airport to Ireland?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Ireland (average of $204). Flying from Washington, D.C. Reagan-National Airport to Ireland in June is currently the most expensive (average of $633). 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 Reagan-National to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Reagan-National to Ireland

Discover the top 4 airlines that operate flights from Reagan-National 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$359Average$666FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$469Average$941FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$477Average$673FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$496Average$786FlexibilityNo cancel feeOn-time69%

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