Cheap flights from Dublin to Washington, D.C. from $472

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 1/12. 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
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Dublin to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:10 pm - 10:03 am
DUB
-
DCA
25h 53m2 stops
American Airlines Logo
1:35 pm - 12:10 pm
DCA
-
DUB
17h 35m2 stops
$493American Airlines
Thu, Jan 8 - Tue, Jan 13
Multiple Airlines Logo
11:30 am - 9:30 pm
DUB
-
DCA
15h 00m1 stop
Multiple Airlines Logo
1:44 pm - 8:40 am
DCA
-
DUB
13h 56m1 stop
$515Multiple Airlines
Mon, Jan 12 - Mon, Jan 19
American Airlines Logo
12:40 pm - 11:59 pm
DUB
-
DCA
16h 19m1 stop
American Airlines Logo
5:30 pm - 9:55 am
DCA
-
DUB
11h 25m1 stop
$519American Airlines
Wed, Apr 29 - Sun, May 3
American Airlines Logo
9:30 am - 8:00 pm
DUB
-
DCA
15h 30m1 stop
American Airlines Logo
6:30 am - 6:30 am
DCA
-
DUB
19h 00m1 stop
$520American Airlines
Wed, Apr 29 - Sun, May 3
Delta Logo
1:25 pm - 10:48 pm
DUB
-
DCA
14h 23m2 stops
Delta Logo
11:10 am - 8:00 am
DCA
-
DUB
15h 50m2 stops
$521Delta
Mon, Jan 12 - Mon, Jan 19
Delta Logo
1:25 pm - 10:48 pm
DUB
-
DCA
14h 23m2 stops
Delta Logo
11:10 am - 8:45 am
DCA
-
DUB
16h 35m1 stop
$524Delta
Mon, Jan 12 - Sun, Jan 18
Delta Logo
1:25 pm - 10:48 pm
DUB
-
DCA
14h 23m2 stops
Delta Logo
11:10 am - 8:45 am
DCA
-
DUB
16h 35m1 stop
$525Delta
Mon, Jan 12 - Mon, Jan 19
Delta Logo
1:25 pm - 10:48 pm
DUB
-
DCA
14h 23m2 stops
Delta Logo
2:32 pm - 8:45 am
DCA
-
DUB
13h 13m2 stops
$526Delta
Fri, Jan 30 - Fri, Feb 6
Delta Logo
1:25 pm - 11:12 pm
DUB
-
DCA
14h 47m2 stops
Delta Logo
12:00 pm - 10:45 am
DCA
-
DUB
17h 45m1 stop
$527Delta
Thu, Apr 30 - Sat, May 16
Delta Logo
5:55 am - 6:29 pm
DUB
-
DCA
17h 34m2 stops
Delta Logo
11:10 am - 8:45 am
DCA
-
DUB
16h 35m1 stop
$528Delta
Sun, Jan 18 - Sun, Jan 25

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
Jan 29
DUB8:50 amDublin
18h 25m
2 stops
DCA10:15 pmWashington, D.C. Reagan-National
Feb 5
DCA7:31 pmWashington, D.C. Reagan-National
16h 54m
2 stops
DUB5:25 pmDublin
British Airways
Jan 15
DUB11:30 amDublin
10h 20m
1 stop
DCA4:50 pmWashington, D.C. Reagan-National
Jan 21
DCA4:43 pmWashington, D.C. Reagan-National
10h 57m
1 stop
DUB8:40 amDublin
British Airways
Apr 29
DUB6:30 amDublin
14h 24m
2 stops
DCA3:54 pmWashington, D.C. Reagan-National
May 3
DCA5:09 pmWashington, D.C. Reagan-National
13h 06m
2 stops
DUB11:15 amDublin

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

Our best KLM deals on Dublin to Washington, D.C. Reagan-National Airport flight tickets
KLM
Jan 29
DUB1:25 pmDublin
14h 23m
2 stops
DCA10:48 pmWashington, D.C. Reagan-National
Feb 5
DCA5:00 pmWashington, D.C. Reagan-National
10h 45m
1 stop
DUB8:45 amDublin
KLM
Jan 24
DUB10:45 amDublin
10h 44m
1 stop
DCA4:29 pmWashington, D.C. Reagan-National
Jan 31
DCA5:00 pmWashington, D.C. Reagan-National
10h 45m
1 stop
DUB8:45 amDublin
KLM
Jan 30
DUB1:25 pmDublin
14h 23m
2 stops
DCA10:48 pmWashington, D.C. Reagan-National
Feb 6
DCA6:00 amWashington, D.C. Reagan-National
21h 45m
1 stop
DUB8:45 amDublin

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 December 18, 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

Thu 1/8

1:10 pm-10:03 am

2 stops25h 53m

Washington, D.C. Reagan-National

Tue 1/13

1:35 pm-12:10 pm

2 stops17h 35m

$493

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 1/12

11:30 am-9:30 pm

1 stop15h 00m

Washington, D.C. Reagan-National

Mon 1/19

1:44 pm-8:40 am

1 stop13h 56m

$515

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 4/29

12:40 pm-11:59 pm

1 stop16h 19m

Washington, D.C. Reagan-National

Sun 5/3

5:30 pm-9:55 am

1 stop11h 25m

$519

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 4/29

9:30 am-8:00 pm

1 stop15h 30m

Washington, D.C. Reagan-National

Sun 5/3

6:30 am-6:30 am

1 stop19h 00m

$520

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 1/12

1:25 pm-10:48 pm

2 stops14h 23m

Washington, D.C. Reagan-National

Mon 1/19

11:10 am-8:00 am

2 stops15h 50m

$521

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 1/12

1:25 pm-10:48 pm

2 stops14h 23m

Washington, D.C. Reagan-National

Sun 1/18

11:10 am-8:45 am

1 stop16h 35m

$524

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 1/12

1:25 pm-10:48 pm

2 stops14h 23m

Washington, D.C. Reagan-National

Mon 1/19

11:10 am-8:45 am

1 stop16h 35m

$525

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 1/30

1:25 pm-10:48 pm

2 stops14h 23m

Washington, D.C. Reagan-National

Fri 2/6

2:32 pm-8:45 am

2 stops13h 13m

$526

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 4/30

1:25 pm-11:12 pm

2 stops14h 47m

Washington, D.C. Reagan-National

Sat 5/16

12:00 pm-10:45 am

1 stop17h 45m

$527

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Sun 1/18

5:55 am-6:29 pm

2 stops17h 34m

Washington, D.C. Reagan-National

Sun 1/25

11:10 am-8:45 am

1 stop16h 35m

$528

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

Fastest flight time

10h 59m

Direct flights

None
The fastest flight from Dublin to Washington, D.C. Reagan-National Airport takes 10h 59m
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.
  • 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. 10h 59m 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.

  • How do I get Price Alerts for flights from Dublin to Washington, D.C. Reagan-National Airport?

    Search flight deals from Dublin to Washington, D.C. Reagan-National Airport. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Dublin to Washington, D.C. Reagan-National Airport with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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
Gaithersburg
Reston
Manassas
Fairfax
Glen Burnie
Linthicum Heights
Bethesda

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.

An easier way to manage your Washington, D.C. Reagan-National Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 1/17
Sat 1/24

Find better results for your trip to Washington, D.C.