Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Ireland to Washington, D.C. from €362

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Washington, D.C. departing on 17/11. 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 Ireland to Washington, D.C.

Recent return flight deals from Ireland to Washington, D.C.

British Airways Logo
13:00 - 23:56DUB-DCA
15h 56m2 stops
British Airways Logo
17:30 - 12:25DCA-DUB
13h 55m2 stops
€374British Airways
Find Deal
Mon, 15 Dec - Thu, 15 Jan
Air Canada Logo
09:00 - 18:05DUB-DCA
14h 05m1 stop
Air Canada Logo
20:40 - 07:10DCA-DUB
29h 30m1 stop
€377Air Canada
Find Deal
Fri, 28 Nov - Wed, 3 Dec
Delta Logo
13:25 - 23:52DUB-DCA
14h 27m2 stops
Delta Logo
11:10 - 07:50DCA-DUB
15h 40m2 stops
€378Delta
Find Deal
Fri, 31 Oct - Thu, 6 Nov
United Airlines Logo
09:00 - 18:05DUB-DCA
14h 05m1 stop
United Airlines Logo
16:30 - 07:30DCA-DUB
10h 00m1 stop
€379United Airlines
Find Deal
Mon, 10 Nov - Mon, 17 Nov
Delta Logo
13:25 - 23:58DUB-DCA
15h 33m2 stops
Delta Logo
13:44 - 07:45DCA-DUB
13h 01m1 stop
€380Delta
Find Deal
Mon, 10 Nov - Mon, 17 Nov
United Airlines Logo
09:00 - 18:05DUB-DCA
14h 05m1 stop
United Airlines Logo
16:30 - 07:30DCA-DUB
10h 00m1 stop
€382United Airlines
Find Deal
Sat, 8 Nov - Sat, 15 Nov
KLM Logo
13:25 - 22:59DUB-DCA
14h 34m2 stops
KLM Logo
17:03 - 08:45DCA-DUB
10h 42m1 stop
€383KLM
Find Deal
Sat, 8 Nov - Sat, 15 Nov
American Airlines Logo
11:30 - 23:45DUB-DCA
17h 15m2 stops
American Airlines Logo
17:05 - 08:40DCA-DUB
10h 35m2 stops
€389American Airlines
Find Deal
Thu, 18 Dec - Mon, 5 Jan
KLM Logo
05:55 - 16:35DUB-DCA
15h 40m2 stops
KLM Logo
16:05 - 07:45DCA-DUB
10h 40m1 stop
€399KLM
Find Deal
Sun, 23 Nov - Wed, 3 Dec
American Airlines Logo
11:30 - 23:45DUB-DCA
17h 15m2 stops
American Airlines Logo
13:44 - 08:40DCA-DUB
13h 56m1 stop
€410American Airlines
Find Deal
Thu, 18 Dec - Fri, 2 Jan

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

Our best Delta deals on Ireland to Washington, D.C. Reagan-National Airport flight tickets
Delta
31 Oct
DUB13:25Dublin
14h 27m
2 stops
DCA23:52Washington, D.C. Reagan-National
6 Nov
DCA11:10Washington, D.C. Reagan-National
15h 40m
2 stops
DUB07:50Dublin
€378
Find similar
Delta
10 Nov
DUB13:25Dublin
15h 33m
2 stops
DCA23:58Washington, D.C. Reagan-National
17 Nov
DCA13:44Washington, D.C. Reagan-National
13h 01m
1 stop
DUB07:45Dublin
€380
Find similar
Delta
11 Nov
DUB13:25Dublin
14h 31m
2 stops
DCA22:56Washington, D.C. Reagan-National
16 Nov
DCA11:10Washington, D.C. Reagan-National
16h 35m
1 stop
DUB08:45Dublin
€381
Find similar

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

Our best American Airlines deals on Ireland to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
18 Dec
DUB11:30Dublin
17h 15m
2 stops
DCA23:45Washington, D.C. Reagan-National
5 Jan
DCA17:05Washington, D.C. Reagan-National
10h 35m
2 stops
DUB08:40Dublin
€389
Find similar
American Airlines
18 Dec
DUB11:30Dublin
17h 15m
2 stops
DCA23:45Washington, D.C. Reagan-National
2 Jan
DCA13:44Washington, D.C. Reagan-National
13h 56m
1 stop
DUB08:40Dublin
€410
Find similar
American Airlines
18 Dec
DUB11:30Dublin
13h 43m
1 stop
DCA20:13Washington, D.C. Reagan-National
3 Jan
DCA14:35Washington, D.C. Reagan-National
14h 15m
2 stops
DUB09:50Dublin
€413
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Ireland 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 26 September 2025.
Use the filters below to find and compare flights from Ireland 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

Mon 15/12

13:00-23:56

2 stops15h 56m

Washington, D.C. Reagan-National

Thu 15/1

17:30-12:25

2 stops13h 55m

€374

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 28/11

09:00-18:05

1 stop14h 05m

Washington, D.C. Reagan-National

Wed 3/12

20:40-07:10

1 stop29h 30m

€377

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 31/10

13:25-23:52

2 stops14h 27m

Washington, D.C. Reagan-National

Thu 6/11

11:10-07:50

2 stops15h 40m

€378

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 10/11

09:00-18:05

1 stop14h 05m

Washington, D.C. Reagan-National

Mon 17/11

16:30-07:30

1 stop10h 00m

€379

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 10/11

13:25-23:58

2 stops15h 33m

Washington, D.C. Reagan-National

Mon 17/11

13:44-07:45

1 stop13h 01m

€380

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Sat 8/11

09:00-18:05

1 stop14h 05m

Washington, D.C. Reagan-National

Sat 15/11

16:30-07:30

1 stop10h 00m

€382

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Sat 8/11

13:25-22:59

2 stops14h 34m

Washington, D.C. Reagan-National

Sat 15/11

17:03-08:45

1 stop10h 42m

€383

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 18/12

11:30-23:45

2 stops17h 15m

Washington, D.C. Reagan-National

Mon 5/1

17:05-08:40

2 stops10h 35m

€389

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Sun 23/11

05:55-16:35

2 stops15h 40m

Washington, D.C. Reagan-National

Wed 3/12

16:05-07:45

1 stop10h 40m

€399

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 18/12

11:30-23:45

2 stops17h 15m

Washington, D.C. Reagan-National

Fri 2/1

13:44-08:40

1 stop13h 56m

€410

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 Ireland 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 Ireland 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 €369. Flights from Ireland to Washington, D.C. Reagan-National Airport on a Thursday will generally be more expensive and average around €607. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Cheap Ireland to Washington, D.C. Reagan-National Airport flight deals and tips

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

Direct flights

None
There are no direct flights from Ireland to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Ireland to Washington, D.C. Reagan-National Airport.
Search flight deals

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

    Prices for flights from Ireland to Washington, D.C. Reagan-National Airport were last updated today.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland 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 licence 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.

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 Ireland to Washington, D.C.?

It is quick and easy to find Ireland to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

Yes. momondo allows you to filter the results for Ireland to Washington, D.C. flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ireland to Washington, D.C..

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

Of course. momondo tracks the price of Ireland to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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
Sun 26/10
Sun 2/11
By creating a price alert you accept our terms of use and privacy policy.

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