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Cheap flights from Dublin to Washington, D.C. from €329

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 30/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from Dublin to Washington, D.C.

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
11:55 - 19:12
DUB
-
DCA
11h 17m
1 stop
KLM Logo
06:05 - 08:45
DCA
-
DUB
21h 40m
1 stop
€528KLM
Wed, 28 Oct - Sun, 1 Nov
Delta Logo
05:45 - 21:55
DUB
-
DCA
20h 10m
2 stops
Delta Logo
12:00 - 07:50
DCA
-
DUB
14h 50m
2 stops
€529Delta
Wed, 28 Oct - Sun, 1 Nov
Delta Logo
05:45 - 21:55
DUB
-
DCA
20h 10m
2 stops
Delta Logo
12:00 - 07:50
DCA
-
DUB
14h 50m
2 stops
€530Delta
Wed, 28 Oct - Sun, 1 Nov
Delta Logo
05:45 - 21:55
DUB
-
DCA
20h 10m
2 stops
Delta Logo
10:35 - 09:45
DCA
-
DUB
18h 10m
1 stop
€531Delta
Wed, 28 Oct - Sun, 1 Nov
Delta Logo
05:45 - 21:55
DUB
-
DCA
20h 10m
2 stops
Delta Logo
11:00 - 08:45
DCA
-
DUB
16h 45m
1 stop
€532Delta
Wed, 28 Oct - Sun, 1 Nov
JetBlue Logo
10:40 - 19:56
DUB
-
DCA
14h 16m
1 stop
JetBlue Logo
13:25 - 08:20
DCA
-
DUB
13h 55m
1 stop
€534JetBlue
Fri, 21 Aug - Mon, 31 Aug
United Airlines Logo
09:50 - 15:38
DUB
-
DCA
10h 48m
1 stop
United Airlines Logo
20:20 - 11:10
DCA
-
DUB
9h 50m
1 stop
€535United Airlines
Tue, 25 Aug - Tue, 22 Sep
Delta Logo
09:45 - 18:14
DUB
-
DCA
12h 29m
1 stop
Delta Logo
13:45 - 07:45
DCA
-
DUB
13h 00m
1 stop
€540Delta
Wed, 28 Oct - Sun, 1 Nov
Delta Logo
09:45 - 18:14
DUB
-
DCA
12h 29m
1 stop
Delta Logo
13:45 - 07:45
DCA
-
DUB
13h 00m
1 stop
€541Delta
Wed, 28 Oct - Sun, 1 Nov
Air Canada Logo
09:20 - 15:40
DUB
-
DCA
11h 20m
1 stop
Air Canada Logo
09:40 - 06:10
DCA
-
DUB
16h 30m
1 stop
€542Air Canada
Sat, 26 Sep - Sun, 25 Oct

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

Our best Delta deals on Dublin to Washington, D.C. Reagan-National Airport flight tickets
Delta
28 Oct
DUB05:45Dublin
20h 10m
2 stops
DCA21:55Washington, D.C. Reagan-National
1 Nov
DCA12:00Washington, D.C. Reagan-National
14h 50m
2 stops
DUB07:50Dublin
€529
Delta
28 Oct
DUB05:45Dublin
20h 10m
2 stops
DCA21:55Washington, D.C. Reagan-National
1 Nov
DCA12:00Washington, D.C. Reagan-National
14h 50m
2 stops
DUB07:50Dublin
€530
Delta
28 Oct
DUB05:45Dublin
20h 10m
2 stops
DCA21:55Washington, D.C. Reagan-National
1 Nov
DCA10:35Washington, D.C. Reagan-National
18h 10m
1 stop
DUB09:45Dublin
€531

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

Our best JetBlue deals on Dublin to Washington, D.C. Reagan-National Airport flight tickets
JetBlue
21 Aug
DUB10:40Dublin
14h 16m
1 stop
DCA19:56Washington, D.C. Reagan-National
31 Aug
DCA13:25Washington, D.C. Reagan-National
13h 55m
1 stop
DUB08:20Dublin
€534
JetBlue
2 Jul
DUB10:40Dublin
14h 19m
1 stop
DCA19:59Washington, D.C. Reagan-National
29 Jul
DCA17:40Washington, D.C. Reagan-National
9h 40m
1 stop
DUB08:20Dublin
€546
JetBlue
3 Aug
DUB10:40Dublin
13h 29m
1 stop
DCA19:09Washington, D.C. Reagan-National
9 Aug
DCA17:00Washington, D.C. Reagan-National
10h 20m
1 stop
DUB08:20Dublin
€553

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 12 June 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

Cheapest return flight

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 28/10

11:55-19:12

1 stop11h 17m

Washington, D.C. Reagan-National

Sun 1/11

06:05-08:45

1 stop21h 40m

€528

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 28/10

05:45-21:55

2 stops20h 10m

Washington, D.C. Reagan-National

Sun 1/11

12:00-07:50

2 stops14h 50m

€529

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 28/10

05:45-21:55

2 stops20h 10m

Washington, D.C. Reagan-National

Sun 1/11

12:00-07:50

2 stops14h 50m

€530

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 28/10

05:45-21:55

2 stops20h 10m

Washington, D.C. Reagan-National

Sun 1/11

10:35-09:45

1 stop18h 10m

€531

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 28/10

05:45-21:55

2 stops20h 10m

Washington, D.C. Reagan-National

Sun 1/11

11:00-08:45

1 stop16h 45m

€532

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 21/8

10:40-19:56

1 stop14h 16m

Washington, D.C. Reagan-National

Mon 31/8

13:25-08:20

1 stop13h 55m

€534
Fastest return journey

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Tue 25/8

09:50-15:38

1 stop10h 48m

Washington, D.C. Reagan-National

Tue 22/9

20:20-11:10

1 stop9h 50m

€535

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 28/10

09:45-18:14

1 stop12h 29m

Washington, D.C. Reagan-National

Sun 1/11

13:45-07:45

1 stop13h 00m

€540

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 28/10

09:45-18:14

1 stop12h 29m

Washington, D.C. Reagan-National

Sun 1/11

13:45-07:45

1 stop13h 00m

€541

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Sat 26/9

09:20-15:40

1 stop11h 20m

Washington, D.C. Reagan-National

Sun 25/10

09:40-06:10

1 stop16h 30m

€542

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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?

JetBlue 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

13h 28m

Direct flights

None
The fastest flight from Dublin to Washington, D.C. Reagan-National Airport takes 13h 28m
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.
Search flight deals

Frequently asked questions about flying from Dublin to Washington, D.C. Reagan-National Airport

  • 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 13h 28m, 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
Landover
Alexandria

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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