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$302+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — DUB
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
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 February 3, 2026.

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 4/306:40 pm
DCA
-
DUB
1 stop8h 40m
JetBlue
Wed 5/610:40 am
DUB
-
DCA
1 stop12h 06m
JetBlue
Deal found 2/3$490
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.
Fri 5/19:00 pm
DCA
-
DUB
1 stop30h 20m
JetBlue
Mon 5/410:40 am
DUB
-
DCA
1 stop10h 02m
JetBlue
Deal found 2/3$496
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.
Mon 5/412:00 pm
DCA
-
DUB
1 stop15h 20m
JetBlue
Fri 5/1511:40 am
DUB
-
DCA
1 stop16h 19m
JetBlue
Deal found 2/2$517
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/63:35 pm
DCA
-
DUB
1 stop11h 45m
JetBlue
Fri 5/1511:40 am
DUB
-
DCA
1 stop16h 19m
JetBlue
Deal found 2/1$520
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:00 am
DCA
-
DUB
1 stop20h 20m
JetBlue
Sun 5/1711:40 am
DUB
-
DCA
1 stop16h 19m
JetBlue
Deal found 2/3$521
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.
Wed 5/64:59 pm
DCA
-
DUB
1 stop10h 21m
JetBlue
Sat 5/1610:40 am
DUB
-
DCA
1 stop26h 19m
JetBlue
Deal found 2/3$526
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.
Sun 8/236:45 pm
DCA
-
DUB
1 stop8h 35m
JetBlue
Fri 8/2811:40 am
DUB
-
DCA
1 stop16h 19m
JetBlue
Deal found 2/3$528
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.
Sun 9/611:30 am
DCA
-
DUB
1 stop15h 50m
JetBlue
Wed 9/1610:40 am
DUB
-
DCA
1 stop12h 15m
JetBlue
Deal found 2/3$529
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:40 pm
DCA
-
DUB
1 stop8h 40m
JetBlue
Thu 4/3010:40 am
DUB
-
DCA
1 stop10h 02m
JetBlue
Deal found 2/3$531
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.
Wed 9/26:30 am
DCA
-
DUB
1 stop21h 30m
JetBlue
Wed 9/910:40 am
DUB
-
DCA
1 stop16h 11m
JetBlue
Deal found 2/3$535
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:00 pm
DCA
-
SNN
1 stop13h 10m
KLM
Wed 9/161:05 pm
SNN
-
DCA
1 stop15h 07m
KLM
Deal found 2/3$608

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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$489
(KAYAK)

One-way from

$302
(KAYAK)

Popular in

December

Cheapest in

January

Average price

$612
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 ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 3, 2026.
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

Tue 5/5

4:59 pm-8:20 am

1 stop10h 21m

Dublin

Sun 5/10

11:40 am-10:59 pm

1 stop16h 19m

$490

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

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sun 2/22

3:30 pm-8:10 am

1 stop11h 40m

Dublin

Tue 3/3

9:30 am-4:42 pm

1 stop12h 12m

$593

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Thu 5/14

12:00 pm-8:20 am

1 stop15h 20m

Dublin

Sun 5/17

11:40 am-10:59 pm

1 stop16h 19m

$595

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 4/6

6:00 pm-9:45 am

1 stop10h 45m

Dublin

Tue 4/21

9:50 am-6:03 pm

1 stop13h 13m

$595

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 3/3

2:05 pm-10:15 am

2 stops15h 10m

Dublin

Tue 3/10

11:30 am-8:03 am

2 stops24h 33m

$604

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 3/16

6:30 pm-9:20 am

1 stop10h 50m

Dublin

Wed 3/25

11:30 am-10:08 pm

1 stop14h 38m

$604

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 2/18

5:00 pm-3:45 pm

2 stops17h 45m

Dublin

Tue 2/24

5:55 am-5:04 pm

2 stops16h 09m

$606

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 3/24

6:30 pm-9:20 am

1 stop10h 50m

Dublin

Tue 3/31

5:55 am-4:35 pm

2 stops15h 40m

$607

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 3/24

1:40 pm-7:45 am

1 stop14h 05m

Dublin

Wed 4/1

3:00 pm-11:44 pm

1 stop13h 44m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 41 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 $194). Flying from Washington, D.C. Reagan-National Airport to Ireland in June is currently the most expensive (average of $631). 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.

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.
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
9,235 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

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

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

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

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

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
JetBlue
7.2
Good
2,893 reviews
United Airlines
7.4
Good
9,235 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

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

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

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 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 10h 20m. Fly via JetBlue, United Airlines, or Delta 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 $194). Flying from Washington, D.C. Reagan-National Airport to Ireland in June is currently the most expensive (average of $631). 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$457Average$663FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$459Average$937FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$477Average$650FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$496Average$773FlexibilityNo cancel feeOn-time69%

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