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Reagan-National

$399+ Cheap flights from Dublin (DUB) to Reagan-National (DCA)

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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — DCA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Dublin to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$437
(Air Canada)

One-way from

$399
(Expedia)

Popular in

July

Cheapest in

October

Average price

$719
From Dublin to Washington, D.C. Reagan-National
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One-way flight from Dublin to Washington, D.C. Reagan-National
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Highest demand for flights based on searches. 8% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Dublin to Reagan-National

Cheapest flights from Dublin to Reagan-National
Explore the most affordable flight options available from Dublin to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Air Canada deal was found by Cheapflights users on 9/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/265:10 amDUB - DCA
2 stops15h 21mMultiple Airlines
Tue 2/2411:05 amDCA - DUB
2 stops15h 05mMultiple Airlines
Deal found 9/15$437
This Air Canada deal was found by Cheapflights users on 9/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/115:00 amDUB - DCA
2 stops15h 31mMultiple Airlines
Sun 11/1611:05 amDCA - DUB
2 stops15h 05mMultiple Airlines
Deal found 9/15$438
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 9/229:20 amDUB - DCA
1 stop11h 31mUnited Airlines
Sun 10/512:00 pmDCA - DUB
1 stop16h 45mUnited Airlines
Deal found 9/15$443
This TravelUp deal was found by Cheapflights users on 9/16. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3111:30 amDUB - DCA
2 stops32h 29mMultiple Airlines
Fri 11/73:44 pmDCA - DUB
2 stops15h 21mMultiple Airlines
Deal found 9/16$444
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/111:25 pmDUB - DCA
2 stops14h 31mDelta
Sun 11/165:03 pmDCA - DUB
1 stop10h 42mDelta
Deal found 9/15$446
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:55 amDUB - DCA
2 stops17h 45mDelta
Wed 11/54:50 pmDCA - DUB
2 stops14h 50mDelta
Deal found 9/15$448
This Air Canada deal was found by Cheapflights users on 9/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/229:20 amDUB - DCA
1 stop11h 31mAir Canada
Sun 10/512:55 pmDCA - DUB
2 stops14h 20mAir Canada
Deal found 9/15$449
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 10/89:50 amDUB - DCA
1 stop14h 54mUnited Airlines
Mon 10/136:04 pmDCA - DUB
1 stop10h 41mUnited Airlines
Deal found 9/16$450
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/81:20 pmDUB - DCA
2 stops14h 44mDelta
Mon 10/136:45 pmDCA - DUB
1 stop11h 00mDelta
Deal found 9/16$451
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/145:55 amDUB - DCA
2 stops15h 05mDelta
Tue 10/216:45 pmDCA - DUB
1 stop11h 00mDelta
Deal found 9/15$452
This Delta deal was found by Cheapflights users on 9/17. 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.
Fri 10/31:20 pmDUB - DCA
2 stops15h 33mDelta
Tue 10/76:45 pmDCA - DUB
1 stop11h 00mDelta
Deal found 9/17$453

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dublin to Reagan-National 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 September 17, 2025.
Use the filters below to find and compare flights from Dublin to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Dublin

Fly to

Reagan-National

Route

Depart

Return

Price

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 11/26

1:25 pm-10:56 pm

2 stops14h 31m

Washington, D.C. Reagan-National

Tue 2/24

5:00 pm-8:45 am

1 stop10h 45m

$446

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 2/11

1:25 pm-11:33 pm

2 stops15h 08m

Washington, D.C. Reagan-National

Wed 2/18

11:00 am-8:45 am

1 stop16h 45m

$446

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 10/30

5:55 am-7:40 pm

2 stops17h 45m

Washington, D.C. Reagan-National

Thu 11/6

4:50 pm-9:20 am

1 stop11h 30m

$446

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 10/30

5:55 am-7:40 pm

2 stops17h 45m

Washington, D.C. Reagan-National

Wed 11/5

4:50 pm-12:40 pm

2 stops14h 50m

$448

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 10/15

1:35 pm-7:36 pm

1 stop11h 01m

Washington, D.C. Reagan-National

Wed 10/22

4:00 pm-7:20 am

1 stop10h 20m

$451

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 10/8

1:20 pm-11:04 pm

2 stops14h 44m

Washington, D.C. Reagan-National

Mon 10/13

6:45 pm-10:45 am

1 stop11h 00m

$451

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Tue 10/14

5:55 am-4:00 pm

2 stops15h 05m

Washington, D.C. Reagan-National

Tue 10/21

6:45 pm-10:45 am

1 stop11h 00m

$452

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 1/12

11:30 am-4:55 pm

1 stop10h 25m

$458

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 11/17

11:30 am-8:58 pm

1 stop14h 28m

$460

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 11/24

11:30 am-8:58 pm

1 stop14h 28m

$460

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 15 results
1
2

Best time to book a flight from Dublin to Reagan-National

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

Related info for your journey

Find useful and relevant information for your journey from Dublin to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Dublin to Washington, D.C. Reagan-National?

    Located just 5.7 mi from the city center, Dublin is the airport most travelers will use when flying to Washington, D.C. Reagan-National from Dublin. Booking flights from Dublin (DUB) to Washington, D.C. Reagan-National should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Reagan-National from 0 different airlines.

  • How long is the flight from Dublin to Washington, D.C. Reagan-National Airport?

    A quick flight from Dublin to Washington, D.C. Reagan-National Airport can take about 14h 31m. Delta provides one of the quickest options available for as low as $446. Airlines will cover a distance of 3381 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dublin to Reagan-National 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 Dublin to Washington, D.C. Reagan-National Airport?

    Currently, February is the cheapest month in which you can book a flight from Dublin to Washington, D.C. Reagan-National Airport (average of $278). Flying from Dublin to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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

Traveling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

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