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Cheap flights from Dublin to Washington, D.C. from $455

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 12/24. 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 round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
1:25 pm - 10:48 pmDUB-DCA
14h 23m2 stops
Delta Logo
5:00 pm - 3:45 pmDCA-DUB
17h 45m2 stops
$472Delta
Find Deal
Wed, Feb 11 - Wed, Feb 18
Delta Logo
1:25 pm - 10:56 pmDUB-DCA
14h 31m2 stops
Delta Logo
11:10 am - 7:50 amDCA-DUB
15h 40m2 stops
$473Delta
Find Deal
Mon, Nov 17 - Tue, Nov 25
American Airlines Logo
11:30 am - 4:04 pmDUB-DCA
9h 34m1 stop
American Airlines Logo
4:49 pm - 8:40 amDCA-DUB
10h 51m1 stop
$484American Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8
KLM Logo
10:45 am - 6:00 pmDUB-DCA
12h 15m1 stop
KLM Logo
5:02 pm - 8:45 amDCA-DUB
10h 43m1 stop
$485KLM
Find Deal
Fri, Nov 21 - Tue, Dec 2
Multiple Airlines Logo
10:45 am - 6:06 pmDUB-DCA
11h 21m1 stop
Multiple Airlines Logo
6:55 pm - 10:45 amDCA-DUB
10h 50m1 stop
$486Multiple Airlines
Find Deal
Wed, Mar 25 - Wed, Apr 15
American Airlines Logo
11:30 am - 8:00 pmDUB-DCA
13h 30m1 stop
American Airlines Logo
1:39 pm - 8:40 amDCA-DUB
14h 01m1 stop
$495American Airlines
Find Deal
Wed, Nov 26 - Tue, Feb 24
KLM Logo
1:25 pm - 10:56 pmDUB-DCA
14h 31m2 stops
KLM Logo
11:13 am - 8:45 amDCA-DUB
16h 32m1 stop
$499KLM
Find Deal
Fri, Nov 21 - Tue, Dec 2
British Airways Logo
11:30 am - 8:58 pmDUB-DCA
14h 28m1 stop
British Airways Logo
1:44 pm - 8:40 amDCA-DUB
13h 56m1 stop
$540British Airways
Find Deal
Thu, Nov 20 - Mon, Nov 24
Multiple Airlines Logo
11:30 am - 4:55 pmDUB-DCA
10h 25m1 stop
Multiple Airlines Logo
4:59 pm - 8:40 amDCA-DUB
10h 41m1 stop
$553Multiple Airlines
Find Deal
Tue, Dec 16 - Tue, Dec 23
British Airways Logo
8:35 pm - 4:36 pmDUB-DCA
25h 01m2 stops
British Airways Logo
3:54 pm - 10:15 amDCA-DUB
13h 21m2 stops
$717British Airways
Find Deal
Fri, Dec 5 - Mon, Dec 8

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
Feb 11
DUB1:25 pmDublin
14h 23m
2 stops
DCA10:48 pmWashington, D.C. Reagan-National
Feb 18
DCA5:00 pmWashington, D.C. Reagan-National
17h 45m
2 stops
DUB3:45 pmDublin
$472
Find similar
Delta
Nov 17
DUB1:25 pmDublin
14h 31m
2 stops
DCA10:56 pmWashington, D.C. Reagan-National
Nov 25
DCA11:10 amWashington, D.C. Reagan-National
15h 40m
2 stops
DUB7:50 amDublin
$473
Find similar
Delta
Nov 26
DUB1:25 pmDublin
14h 31m
2 stops
DCA10:56 pmWashington, D.C. Reagan-National
Feb 26
DCA9:55 amWashington, D.C. Reagan-National
16h 50m
2 stops
DUB7:45 amDublin
$475
Find similar

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

Our best American Airlines deals on Dublin to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
Dec 5
DUB11:30 amDublin
9h 34m
1 stop
DCA4:04 pmWashington, D.C. Reagan-National
Dec 8
DCA4:49 pmWashington, D.C. Reagan-National
10h 51m
1 stop
DUB8:40 amDublin
$484
Find similar
American Airlines
Nov 11
DUB11:30 amDublin
9h 26m
1 stop
DCA3:56 pmWashington, D.C. Reagan-National
Nov 16
DCA1:44 pmWashington, D.C. Reagan-National
13h 56m
1 stop
DUB8:40 amDublin
$494
Find similar
American Airlines
Nov 26
DUB11:30 amDublin
13h 30m
1 stop
DCA8:00 pmWashington, D.C. Reagan-National
Feb 24
DCA1:39 pmWashington, D.C. Reagan-National
14h 01m
1 stop
DUB8:40 amDublin
$495
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated November 3, 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

Fly to

Route

Depart

Return

Price

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 2/11

1:25 pm-10:48 pm

2 stops14h 23m

Washington, D.C. Reagan-National

Wed 2/18

5:00 pm-3:45 pm

2 stops17h 45m

$472

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 11/17

1:25 pm-10:56 pm

2 stops14h 31m

Washington, D.C. Reagan-National

Tue 11/25

11:10 am-7:50 am

2 stops15h 40m

$473

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 12/5

11:30 am-4:04 pm

1 stop9h 34m

Washington, D.C. Reagan-National

Mon 12/8

4:49 pm-8:40 am

1 stop10h 51m

$484

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 11/21

10:45 am-6:00 pm

1 stop12h 15m

Washington, D.C. Reagan-National

Tue 12/2

5:02 pm-8:45 am

1 stop10h 43m

$485

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 3/25

10:45 am-6:06 pm

1 stop11h 21m

Washington, D.C. Reagan-National

Wed 4/15

6:55 pm-10:45 am

1 stop10h 50m

$486

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 11/26

11:30 am-8:00 pm

1 stop13h 30m

Washington, D.C. Reagan-National

Tue 2/24

1:39 pm-8:40 am

1 stop14h 01m

$495

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 11/21

1:25 pm-10:56 pm

2 stops14h 31m

Washington, D.C. Reagan-National

Tue 12/2

11:13 am-8:45 am

1 stop16h 32m

$499

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 11/20

11:30 am-8:58 pm

1 stop14h 28m

Washington, D.C. Reagan-National

Mon 11/24

1:44 pm-8:40 am

1 stop13h 56m

$540

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Tue 12/16

11:30 am-4:55 pm

1 stop10h 25m

Washington, D.C. Reagan-National

Tue 12/23

4:59 pm-8:40 am

1 stop10h 41m

$553

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 12/5

8:35 pm-4:36 pm

2 stops25h 01m

Washington, D.C. Reagan-National

Mon 12/8

3:54 pm-10:15 am

2 stops13h 21m

$717

Flights are sorted by cheapest round-trip 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?

American Airlines, British Airways, and Iberia are the most popular carriers 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 round-trip 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

Direct flights

None
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?

    Dublin and Washington, D.C. Reagan-National are 3381.7 mi apart from one another. 9h 34m is a normal flight duration for this route.

  • 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 were last updated today.

  • 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents you'll need for your trip to Washington, D.C. Reagan-National Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Gaithersburg
Fairfax
Glen Burnie
Springfield
Linthicum Heights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Dublin to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Dublin to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Dublin to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Washington, D.C. from Dublin. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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