Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Dublin to Washington, D.C. from €338

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 13/10. 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
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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.
Search flight deals

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

Cheap return flights

Multiple Airlines Logo
05:10 - 15:31DUB-DCA
15h 21m2 stops
Multiple Airlines Logo
11:05 - 07:10DCA-DUB
15h 05m2 stops
€370Multiple Airlines
Find Deal
Wed, 26 Nov - Tue, 24 Feb
Multiple Airlines Logo
05:00 - 15:31DUB-DCA
15h 31m2 stops
Multiple Airlines Logo
11:05 - 07:10DCA-DUB
15h 05m2 stops
€371Multiple Airlines
Find Deal
Tue, 11 Nov - Sun, 16 Nov
Multiple Airlines Logo
05:00 - 15:31DUB-DCA
15h 31m2 stops
Multiple Airlines Logo
11:05 - 07:10DCA-DUB
15h 05m2 stops
€371Multiple Airlines
Find Deal
Tue, 11 Nov - Sun, 16 Nov
Air Canada Logo
09:00 - 08:55DUB-DCA
28h 55m1 stop
Air Canada Logo
06:59 - 07:10DCA-DUB
19h 11m1 stop
€375Air Canada
Find Deal
Wed, 26 Nov - Tue, 24 Feb
Delta Logo
13:25 - 23:33DUB-DCA
15h 08m2 stops
Delta Logo
11:00 - 08:45DCA-DUB
16h 45m1 stop
€377Delta
Find Deal
Wed, 11 Feb - Wed, 18 Feb
Delta Logo
05:55 - 19:40DUB-DCA
17h 45m2 stops
Delta Logo
16:50 - 12:40DCA-DUB
14h 50m2 stops
€379Delta
Find Deal
Thu, 30 Oct - Wed, 5 Nov
United Airlines Logo
09:50 - 19:44DUB-DCA
14h 54m1 stop
United Airlines Logo
18:04 - 09:45DCA-DUB
10h 41m1 stop
€381United Airlines
Find Deal
Wed, 8 Oct - Mon, 13 Oct
American Airlines Logo
11:30 - 16:04DUB-DCA
9h 34m1 stop
American Airlines Logo
16:49 - 08:40DCA-DUB
10h 51m1 stop
€388American Airlines
Find Deal
Fri, 5 Dec - Mon, 8 Dec
United Airlines Logo
09:20 - 16:22DUB-DCA
12h 02m1 stop
United Airlines Logo
18:04 - 09:45DCA-DUB
10h 41m1 stop
€389United Airlines
Find Deal
Fri, 10 Oct - Sun, 12 Oct
American Airlines Logo
11:40 - 19:14DUB-DCA
11h 34m1 stop
American Airlines Logo
18:30 - 08:20DCA-DUB
8h 50m1 stop
€519American Airlines
Find Deal
Thu, 30 Oct - Wed, 5 Nov

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
11 Feb
DUB13:25Dublin
15h 08m
2 stops
DCA23:33Washington, D.C. Reagan-National
18 Feb
DCA11:00Washington, D.C. Reagan-National
16h 45m
1 stop
DUB08:45Dublin
€377
Find similar
Delta
30 Oct
DUB05:55Dublin
17h 45m
2 stops
DCA19:40Washington, D.C. Reagan-National
5 Nov
DCA16:50Washington, D.C. Reagan-National
14h 50m
2 stops
DUB12:40Dublin
€379
Find similar
Delta
8 Oct
DUB13:20Dublin
14h 44m
2 stops
DCA23:04Washington, D.C. Reagan-National
13 Oct
DCA18:45Washington, D.C. Reagan-National
11h 00m
1 stop
DUB10:45Dublin
€382
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
22 Sept
DUB09:20Dublin
11h 31m
1 stop
DCA15:51Washington, D.C. Reagan-National
5 Oct
DCA12:00Washington, D.C. Reagan-National
16h 45m
1 stop
DUB09:45Dublin
€375
Find similar
United Airlines
8 Oct
DUB09:50Dublin
14h 54m
1 stop
DCA19:44Washington, D.C. Reagan-National
13 Oct
DCA18:04Washington, D.C. Reagan-National
10h 41m
1 stop
DUB09:45Dublin
€381
Find similar
United Airlines
26 Sept
DUB11:35Dublin
16h 08m
1 stop
DCA22:43Washington, D.C. Reagan-National
2 Oct
DCA16:00Washington, D.C. Reagan-National
10h 20m
1 stop
DUB07:20Dublin
€389
Find similar

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 17 September 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 26/11

05:10-15:31

2 stops15h 21m

Washington, D.C. Reagan-National

Tue 24/2

11:05-07:10

2 stops15h 05m

€370

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Tue 11/11

05:00-15:31

2 stops15h 31m

Washington, D.C. Reagan-National

Sun 16/11

11:05-07:10

2 stops15h 05m

€371

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Tue 11/11

05:00-15:31

2 stops15h 31m

Washington, D.C. Reagan-National

Sun 16/11

11:05-07:10

2 stops15h 05m

€371

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 26/11

09:00-08:55

1 stop28h 55m

Washington, D.C. Reagan-National

Tue 24/2

06:59-07:10

1 stop19h 11m

€375

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 11/2

13:25-23:33

2 stops15h 08m

Washington, D.C. Reagan-National

Wed 18/2

11:00-08:45

1 stop16h 45m

€377

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 30/10

05:55-19:40

2 stops17h 45m

Washington, D.C. Reagan-National

Wed 5/11

16:50-12:40

2 stops14h 50m

€379

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 8/10

09:50-19:44

1 stop14h 54m

Washington, D.C. Reagan-National

Mon 13/10

18:04-09:45

1 stop10h 41m

€381

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 5/12

11:30-16:04

1 stop9h 34m

Washington, D.C. Reagan-National

Mon 8/12

16:49-08:40

1 stop10h 51m

€388

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 10/10

09:20-16:22

1 stop12h 02m

Washington, D.C. Reagan-National

Sun 12/10

18:04-09:45

1 stop10h 41m

€389

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 30/10

11:40-19:14

1 stop11h 34m

Washington, D.C. Reagan-National

Wed 5/11

18:30-08:20

1 stop8h 50m

€519

Flights are sorted by cheapest return flights first.

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

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 day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Dublin to Washington, D.C. Reagan-National Airport is on a Wednesday. Travellers who choose to depart for Washington, D.C. Reagan-National Airport on a Wednesday will often find tickets for as low as €366. Flights from Dublin to Washington, D.C. Reagan-National Airport on a Thursday will generally be more expensive and average around €601. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

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.
Search flight deals

  • 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 9h 34m, 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.

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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 17/10
Fri 24/10
By creating a price alert you accept our terms of use and privacy policy.

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