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Cheap flights from Dublin to Washington, D.C. from €391

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Washington, D.C. departing on 9/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

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American Airlines Logo
11:30 - 16:25
DUB
-
DCA
9h 55m1 stop
American Airlines Logo
14:16 - 08:40
DCA
-
DUB
13h 24m1 stop
€394American Airlines
Tue, 17 Feb - Sun, 22 Feb
Delta Logo
05:55 - 17:53
DUB
-
DCA
16h 58m2 stops
Delta Logo
17:00 - 15:45
DCA
-
DUB
17h 45m2 stops
€429Delta
Thu, 22 Jan - Mon, 26 Jan
Delta Logo
13:25 - 22:53
DUB
-
DCA
14h 28m2 stops
Delta Logo
17:00 - 15:45
DCA
-
DUB
17h 45m2 stops
€429Delta
Sat, 17 Jan - Mon, 26 Jan
Delta Logo
05:55 - 17:04
DUB
-
DCA
16h 09m2 stops
Delta Logo
11:10 - 07:50
DCA
-
DUB
15h 40m2 stops
€430Delta
Sun, 18 Jan - Mon, 26 Jan
Delta Logo
13:25 - 23:43
DUB
-
DCA
15h 18m2 stops
Delta Logo
15:40 - 07:45
DCA
-
DUB
11h 05m1 stop
€431Delta
Fri, 20 Feb - Fri, 27 Feb
Delta Logo
05:55 - 17:53
DUB
-
DCA
16h 58m2 stops
Delta Logo
09:54 - 08:45
DCA
-
DUB
17h 51m2 stops
€432Delta
Thu, 22 Jan - Thu, 5 Feb
Delta Logo
05:55 - 18:59
DUB
-
DCA
18h 04m2 stops
Delta Logo
11:06 - 08:45
DCA
-
DUB
16h 39m1 stop
€433Delta
Fri, 13 Feb - Fri, 20 Feb
Delta Logo
06:00 - 19:56
DUB
-
DCA
18h 56m2 stops
Delta Logo
17:29 - 09:20
DCA
-
DUB
10h 51m1 stop
€437Delta
Sat, 14 Feb - Sat, 21 Feb
Delta Logo
10:45 - 16:29
DUB
-
DCA
10h 44m1 stop
Delta Logo
17:00 - 15:45
DCA
-
DUB
17h 45m2 stops
€438Delta
Sun, 8 Feb - Fri, 20 Feb
Delta Logo
10:45 - 22:12
DUB
-
DCA
16h 27m1 stop
Delta Logo
15:40 - 07:45
DCA
-
DUB
11h 05m1 stop
€440Delta
Fri, 20 Feb - Fri, 27 Feb

British Airways flights from Dublin to Washington, D.C. Reagan-National Airport

Our best British Airways deals on Dublin to Washington, D.C. Reagan-National Airport flight tickets
British Airways
11 Feb
DUB08:50Dublin
15h 04m
2 stops
DCA18:54Washington, D.C. Reagan-National
17 Feb
DCA18:14Washington, D.C. Reagan-National
12h 56m
2 stops
DUB12:10Dublin
€466
Find similar
British Airways
14 Jan
DUB11:30Dublin
13h 06m
2 stops
DCA19:36Washington, D.C. Reagan-National
20 Jan
DCA15:24Washington, D.C. Reagan-National
12h 16m
2 stops
DUB08:40Dublin
€483
Find similar
British Airways
13 Feb
DUB08:50Dublin
16h 56m
2 stops
DCA20:46Washington, D.C. Reagan-National
21 Feb
DCA16:34Washington, D.C. Reagan-National
12h 16m
2 stops
DUB09:50Dublin
€487
Find similar

United Airlines flights from Dublin to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Dublin to Washington, D.C. Reagan-National Airport flight tickets
United Airlines
6 Feb
DUB09:00Dublin
15h 59m
1 stop
DCA19:59Washington, D.C. Reagan-National
19 Feb
DCA18:00Washington, D.C. Reagan-National
10h 55m
1 stop
DUB09:55Dublin
€454
Find similar
United Airlines
11 Feb
DUB09:00Dublin
14h 05m
1 stop
DCA18:05Washington, D.C. Reagan-National
18 Feb
DCA15:30Washington, D.C. Reagan-National
11h 40m
1 stop
DUB08:10Dublin
€459
Find similar
United Airlines
10 Feb
DUB09:30Dublin
10h 09m
1 stop
DCA14:39Washington, D.C. Reagan-National
19 Feb
DCA16:10Washington, D.C. Reagan-National
10h 20m
1 stop
DUB07:30Dublin
€462
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momondo Fare Finder

 
Customise your flight search to find flights from Dublin to Washington, D.C. Reagan-National Airport 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, momondo users made 13,528 searches. Data last updated 8 January 2026.
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

Fly to

Route

Depart

Return

Price

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Tue 17/2

11:30-16:25

1 stop9h 55m

Washington, D.C. Reagan-National

Sun 22/2

14:16-08:40

1 stop13h 24m

€394

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 22/1

05:55-17:53

2 stops16h 58m

Washington, D.C. Reagan-National

Mon 26/1

17:00-15:45

2 stops17h 45m

€429

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Sat 17/1

13:25-22:53

2 stops14h 28m

Washington, D.C. Reagan-National

Mon 26/1

17:00-15:45

2 stops17h 45m

€429

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Sun 18/1

05:55-17:04

2 stops16h 09m

Washington, D.C. Reagan-National

Mon 26/1

11:10-07:50

2 stops15h 40m

€430

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 20/2

13:25-23:43

2 stops15h 18m

Washington, D.C. Reagan-National

Fri 27/2

15:40-07:45

1 stop11h 05m

€431

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 22/1

05:55-17:53

2 stops16h 58m

Washington, D.C. Reagan-National

Thu 5/2

09:54-08:45

2 stops17h 51m

€432

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 13/2

05:55-18:59

2 stops18h 04m

Washington, D.C. Reagan-National

Fri 20/2

11:06-08:45

1 stop16h 39m

€433

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Sat 14/2

06:00-19:56

2 stops18h 56m

Washington, D.C. Reagan-National

Sat 21/2

17:29-09:20

1 stop10h 51m

€437

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Sun 8/2

10:45-16:29

1 stop10h 44m

Washington, D.C. Reagan-National

Fri 20/2

17:00-15:45

2 stops17h 45m

€438

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 20/2

10:45-22:12

1 stop16h 27m

Washington, D.C. Reagan-National

Fri 27/2

15:40-07:45

1 stop11h 05m

€440

Flights are sorted by cheapest return flights first.

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Dublin to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Dublin to Washington, D.C. Reagan-National?

Iberia is the most popular carrier operating from Dublin to Washington, D.C. Reagan-National

When to book flights from Dublin to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Dublin to Washington, D.C. Reagan-National Airport (DUB to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Washington, D.C. Reagan-National Airport

Fastest flight time

11h 13m

Direct flights

None
The fastest flight from Dublin to Washington, D.C. Reagan-National Airport takes 11h 13m
There are no direct flights from Dublin to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Dublin to Washington, D.C. Reagan-National Airport.
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  • How far is Dublin to Washington, D.C. Reagan-National by plane?

    Washington, D.C. Reagan-National is 5442.4 km away from Dublin. Flights usually cover this in 11h 13m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Dublin Airport to Washington, D.C. Reagan-National Airport?

    Prices for flights from Dublin Airport to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Dublin Airport to Washington, D.C. Reagan-National Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The required travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Gettysburg

Why use momondo?

Why should I use momondo to find a flight deal from Dublin to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Dublin.

Can I find flights from Dublin to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from Dublin on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Dublin to Washington, D.C.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Dublin. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Dublin to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Dublin and alert you when they change.

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