Ireland

$296+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — DUB
Dec 6 — Dec 131
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Reagan-National to Ireland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$503
(American Airlines)

One-way from

$296
(Ovago)

Popular in

June

Cheapest in

January

Average price

$606
Provider with most accurate pricing for Washington, D.C. (WAS)-Dublin flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Dublin flights.
From Washington, D.C. Reagan-National to Ireland
One-way flight from Washington, D.C. Reagan-National to Ireland
Highest demand for flights based on searches. 11% potential increase in price ($88 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in November 2025

Find 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 November 6, 2025.

This American Airlines deal was found by Cheapflights users on 11/4. 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.
Tue 12/22:24 pmDCA - SNN
2 stops16h 06mAmerican Airlines
Tue 12/97:50 amSNN - DCA
2 stops18h 08mAmerican Airlines
Deal found 11/4$503
This KLM deal was found by Cheapflights users on 11/4. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:44 pmDCA - ORK
2 stops16h 01mKLM
Wed 12/36:00 amORK - DCA
2 stops15h 36mKLM
Deal found 11/4$505
This Delta deal was found by Cheapflights users on 11/4. 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 11/156:26 pmDCA - DUB
1 stop32h 19mDelta
Tue 11/255:55 amDUB - DCA
2 stops17h 05mDelta
Deal found 11/4$506
This Finnair deal was found by Cheapflights users on 11/5. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/121:44 pmDCA - DUB
2 stops13h 56mMultiple Airlines
Wed 11/1911:30 amDUB - DCA
2 stops13h 45mMultiple Airlines
Deal found 11/5$507
This Delta deal was found by Cheapflights users on 11/5. 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.
Wed 11/1911:10 amDCA - DUB
2 stops15h 55mDelta
Tue 11/255:55 amDUB - DCA
2 stops17h 05mDelta
Deal found 11/5$509
This Air Canada deal was found by Cheapflights users on 11/4. 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.
Mon 12/16:50 pmDCA - DUB
2 stops16h 35mMultiple Airlines
Thu 12/119:20 amDUB - DCA
2 stops15h 25mMultiple Airlines
Deal found 11/4$513
This Mytrip deal was found by Cheapflights users on 11/5. 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.
Mon 12/16:50 pmDCA - DUB
1 stop31h 20mMultiple Airlines
Mon 12/85:10 amDUB - DCA
2 stops15h 21mMultiple Airlines
Deal found 11/5$519
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Mon 11/174:51 pmDCA - ORK
2 stops13h 19mAmerican Airlines
Wed 12/311:55 amORK - DCA
2 stops14h 35mAmerican Airlines
Deal found 11/5$520
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Sun 11/306:05 pmDCA - DUB
1 stop10h 50mUnited Airlines
Sun 12/79:00 amDUB - DCA
2 stops42h 42mUnited Airlines
Deal found 11/5$524
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/18:10 pmDCA - DUB
1 stop31h 00mUnited Airlines
Sun 12/79:00 amDUB - DCA
2 stops32h 19mUnited Airlines
Deal found 11/5$525
This United Airlines deal was found by Cheapflights users on 11/4. 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 11/56:07 pmDCA - DUB
1 stop33h 03mUnited Airlines
Wed 11/129:00 amDUB - DCA
1 stop28h 55mUnited Airlines
Deal found 11/4$526
This Kissandfly.com deal was found by Cheapflights users on 11/5. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/910:05 amDCA - DUB
1 stop16h 25mLufthansa
Tue 11/181:35 pmDUB - DCA
1 stop12h 59mLufthansa
Deal found 11/5$527

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 November 6, 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.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 12/2

2:24 pm-11:30 am

2 stops16h 06m

Shannon

Tue 12/9

7:50 am-8:58 pm

2 stops18h 08m

$503

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 2/10

7:30 pm-3:45 pm

2 stops15h 15m

Dublin

Tue 2/17

1:25 pm-10:43 pm

2 stops14h 18m

$505

Washington, D.C.Cork

DCA - ORK

DCAORK

Washington, D.C. Reagan-National

Mon 11/17

1:44 pm-10:45 am

2 stops16h 01m

Cork

Wed 12/3

6:00 am-4:36 pm

2 stops15h 36m

$505

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 1/14

2:32 pm-8:45 am

2 stops13h 13m

Dublin

Tue 1/20

1:25 pm-10:48 pm

2 stops14h 23m

$505

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 11/26

11:10 am-8:05 am

2 stops15h 55m

Dublin

Wed 12/3

1:25 pm-11:58 pm

2 stops15h 33m

$509

Washington, D.C.Cork

DCA - ORK

DCAORK

Washington, D.C. Reagan-National

Mon 11/17

4:51 pm-11:10 am

2 stops13h 19m

Cork

Wed 12/3

11:55 am-9:30 pm

2 stops14h 35m

$520

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 1/14

6:00 am-7:30 am

1 stop20h 30m

Dublin

Sun 1/18

9:00 am-8:55 am

1 stop28h 55m

$525

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sun 12/7

8:00 pm-8:10 am

1 stop31h 10m

Dublin

Sun 12/14

9:00 am-8:55 am

1 stop28h 55m

$525

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sun 12/7

6:00 pm-8:10 am

1 stop33h 10m

Dublin

Sun 12/14

9:00 am-12:19 pm

2 stops32h 19m

$525

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Fri 12/5

6:00 am-7:30 am

1 stop20h 30m

Dublin

Fri 12/12

9:00 am-8:55 am

1 stop28h 55m

$525

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 45 results
1
2
3
...
5

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 $182). Flying from Washington, D.C. Reagan-National Airport to Ireland in June is currently the most expensive (average of $641). 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 November 6, 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.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Ireland?

Use this chart to determine the cheapest time to fly round-trip from Reagan-National to Ireland. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Ireland flight should consider departing on Monday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 6, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines 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.

Entertainment

7.9

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Entertainment

7.9

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Entertainment

7.9

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Entertainment

7.9

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Entertainment

7.9

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Entertainment

7.9

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 15h 15m. Fly via American Airlines, Delta, or KLM 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?

  • 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 $182). Flying from Washington, D.C. Reagan-National Airport to Ireland in June is currently the most expensive (average of $641). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Reagan-National to Ireland

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Reagan-National to Ireland

Discover the top 5 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$144Average$837FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$359Average$663FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$469Average$942FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$496Average$797FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$496Average$673FlexibilityNo cancel feeOn-time62%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.