Ireland

$391+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — DUB
mai 4 — mai 111
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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 avril 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$570
(AirNGo)

One-way from

$391
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$796
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. 18% potential increase in price ($152 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Average for round-trip flights in April 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 avril 29, 2025.

This American Airlines deal was found by Cheapflights users on 4/29. 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.
mar. 9/93:59 pmDCA - DUB
1 stop9h 31mAmerican Airlines
mer. 9/241:45 pmDUB - DCA
1 stop13h 15mAmerican Airlines
Deal found 4/29$568
This JetBlue deal was found by Cheapflights users on 4/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 8/612:40 pmDCA - DUB
1 stop14h 40mJetBlue
mer. 9/1011:30 amDUB - DCA
1 stop16h 29mJetBlue
Deal found 4/29$569
This United Airlines deal was found by Cheapflights users on 4/29. 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.
mar. 4/298:00 pmDCA - DUB
1 stop32h 45mUnited Airlines
mer. 5/79:50 amDUB - DCA
2 stops31h 11mUnited Airlines
Deal found 4/29$570
This Delta deal was found by Cheapflights users on 4/29. 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.
mar. 7/11:25 pmDCA - DUB
2 stops13h 50mDelta
jeu. 7/3112:00 pmDUB - DCA
2 stops15h 59mDelta
Deal found 4/29$571
This oojo deal was found by Cheapflights users on 4/29. 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.
mar. 9/2312:00 pmDCA - DUB
2 stops18h 50mScandinavian Airlines
lun. 9/2912:40 pmDUB - DCA
2 stops39h 49mScandinavian Airlines
Deal found 4/29$583
This Air Canada deal was found by Cheapflights users on 4/29. 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.
mar. 5/2712:55 pmDCA - DUB
2 stops14h 20mAir Canada
mer. 6/49:50 amDUB - DCA
2 stops17h 03mAir Canada
Deal found 4/29$584
This Delta deal was found by Cheapflights users on 4/28. 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.
dim. 7/132:55 pmDCA - ORK
2 stops14h 20mDelta
ven. 7/186:00 amORK - DCA
2 stops16h 05mDelta
Deal found 4/28$585
This United deal was found by Cheapflights users on 4/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/137:00 amDCA - DUB
1 stop23h 10mMultiple Airlines
mer. 5/289:50 amDUB - DCA
1 stop28h 03mMultiple Airlines
Deal found 4/29$594
This KLM deal was found by Cheapflights users on 4/29. 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.
mar. 9/95:00 pmDCA - DUB
1 stop12h 45mKLM
jeu. 9/1810:00 amDUB - DCA
1 stop11h 32mKLM
Deal found 4/29$596
This KLM deal was found by Cheapflights users on 4/28. 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.
lun. 7/144:56 pmDCA - SNN
1 stop13h 14mKLM
mer. 7/231:05 pmSNN - DCA
1 stop15h 31mKLM
Deal found 4/28$645
This StudentUniverse deal was found by Cheapflights users on 4/29. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/245:00 pmDCA - DUB
2 stops19h 15mFinnair
lun. 9/299:45 amDUB - DCA
2 stops18h 15mFinnair
Deal found 4/29$670
This KLM deal was found by Cheapflights users on 4/28. 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.
mer. 6/1112:10 pmDCA - SNN
2 stops18h 00mMultiple Airlines
jeu. 7/311:05 pmSNN - DCA
2 stops14h 54mMultiple Airlines
Deal found 4/28$710

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 avril 29, 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

dim. 5/11

5:00 pm-9:15 am

1 stop11h 15m

Dublin

mar. 5/20

11:00 am-6:22 pm

1 stop12h 22m

$570

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

mar. 7/1

1:25 pm-8:15 am

2 stops13h 50m

Dublin

jeu. 7/31

12:00 pm-10:59 pm

2 stops15h 59m

$571

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

lun. 7/7

11:15 am-7:45 am

2 stops15h 30m

Dublin

jeu. 7/17

9:20 am-3:48 pm

1 stop11h 28m

$575

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

mar. 5/27

12:55 pm-8:15 am

2 stops14h 20m

Dublin

mer. 6/4

9:50 am-6:03 pm

1 stop13h 13m

$584

Washington, D.C.Cork

DCA - ORK

DCAORK

Washington, D.C. Reagan-National

dim. 7/13

2:55 pm-10:15 am

2 stops14h 20m

Cork

ven. 7/18

6:00 am-5:05 pm

2 stops16h 05m

$585

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

dim. 5/11

5:00 pm-9:15 am

1 stop11h 15m

Dublin

mar. 5/20

3:00 pm-10:01 pm

1 stop12h 01m

$588

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

mar. 5/6

4:31 pm-9:15 am

1 stop11h 44m

Dublin

mar. 5/13

3:00 pm-10:01 pm

1 stop12h 01m

$596

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

sam. 5/24

3:15 pm-9:00 am

1 stop12h 45m

Dublin

jeu. 5/29

11:30 am-10:58 pm

1 stop16h 28m

$607

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

lun. 7/14

4:56 pm-11:10 am

1 stop13h 14m

Shannon

mer. 7/23

1:05 pm-11:36 pm

1 stop15h 31m

$645

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

lun. 7/14

12:05 pm-11:10 am

2 stops18h 05m

Shannon

mer. 7/23

1:05 pm-10:59 pm

2 stops14h 54m

$650

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 40 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 $509). Flying from Washington, D.C. Reagan-National Airport to Ireland in June is currently the most expensive (average of $981). 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 avril 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Ireland as you normally would.

Rainfall in Ireland by month

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

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

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 avril 29, 2025.
To help decide which airline to fly from Washington, D.C. to Ireland, see what other customers have to say about Delta, KLM and Finnair. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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.
8.0
Very good
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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

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

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as $440. However, be on the lookout for offers from JetBlue and Delta, as they are both options that can get you from Washington, D.C. Reagan-National Airport to Ireland for a low price.

  • 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 $509). Flying from Washington, D.C. Reagan-National Airport to Ireland in June is currently the most expensive (average of $981). 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

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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.

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 avril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$478Average$757FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$558Average$956FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$577Average$725FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$597Average$920FlexibilityNo cancel feeOn-time71%
DeltaCheapest$703Average$1,050FlexibilityNo cancel feeOn-timeN/A

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