Cheap flights from Ireland to Washington, D.C. from £277

This is the cheapest return 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 15/9. 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

Discover deals from 900+ travel sites with momondo.

Voted 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.

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

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

PLAY Logo
11:35 - 17:40DUB-BWI
11h 05m1 stop
PLAY Logo
18:50 - 09:45BWI-DUB
9h 55m1 stop
£277PLAY
Find Deal
Mon, 15 Sep - Thu, 18 Sep
Scandinavian Airlines Logo
12:20 - 19:59DUB-IAD
36h 39m2 stops
Scandinavian Airlines Logo
22:05 - 18:25IAD-DUB
39h 20m2 stops
£294Scandinavian Airlines
Find Deal
Fri, 12 Sep - Fri, 19 Sep
Aer Lingus Logo
12:50 - 15:50DUB-IAD
8h 00mdirect
Aer Lingus Logo
20:25 - 08:15IAD-DUB
6h 50mdirect
£328Aer Lingus
Find Deal
Mon, 15 Sep - Thu, 18 Sep
Aer Lingus Logo
12:50 - 15:50DUB-IAD
8h 00mdirect
Aer Lingus Logo
20:25 - 08:15IAD-DUB
6h 50mdirect
£329Aer Lingus
Find Deal
Thu, 4 Sep - Thu, 18 Sep
Lufthansa Logo
05:55 - 15:15DUB-IAD
14h 20m1 stop
Lufthansa Logo
22:15 - 10:20IAD-DUB
7h 05mdirect
£375Lufthansa
Find Deal
Fri, 12 Sep - Fri, 19 Sep
British Airways Logo
10:30 - 18:45DUB-BWI
13h 15m1 stop
British Airways Logo
20:35 - 12:15BWI-DUB
10h 40m1 stop
£388British Airways
Find Deal
Thu, 20 Nov - Sun, 30 Nov
British Airways Logo
10:55 - 19:45DUB-BWI
12h 50m1 stop
British Airways Logo
20:35 - 12:25BWI-DUB
10h 50m1 stop
£388British Airways
Find Deal
Tue, 28 Oct - Thu, 13 Nov
Lufthansa Logo
05:55 - 13:30DUB-IAD
12h 35m1 stop
Lufthansa Logo
22:15 - 10:20IAD-DUB
7h 05mdirect
£389Lufthansa
Find Deal
Thu, 4 Sep - Sun, 7 Sep
United Airlines Logo
09:20 - 15:51DUB-DCA
11h 31m1 stop
United Airlines Logo
09:40 - 07:45DCA-DUB
17h 05m1 stop
£399United Airlines
Find Deal
Thu, 4 Sep - Sun, 7 Sep
United Airlines Logo
08:00 - 20:40DUB-DCA
16h 40m1 stop
United Airlines Logo
19:00 - 09:55DCA-DUB
9h 55m1 stop
£401United Airlines
Find Deal
Mon, 27 Oct - Mon, 3 Nov

British Airways flights from Ireland to Washington, D.C.

Our best British Airways deals on Ireland to Washington, D.C. flight tickets
British Airways
20 Nov
DUB10:30Dublin
13h 15m
1 stop
BWI18:45Baltimore/Washington
30 Nov
BWI20:35Baltimore/Washington
10h 40m
1 stop
DUB12:15Dublin
British Airways
28 Oct
DUB10:55Dublin
12h 50m
1 stop
BWI19:45Baltimore/Washington
13 Nov
BWI20:35Baltimore/Washington
10h 50m
1 stop
DUB12:25Dublin
British Airways
19 Sept
DUB12:45Dublin
12h 00m
1 stop
BWI19:45Baltimore/Washington
8 Oct
BWI21:35Baltimore/Washington
12h 00m
1 stop
DUB14:35Dublin

Scandinavian Airlines flights from Ireland to Washington, D.C.

Our best Scandinavian Airlines deals on Ireland to Washington, D.C. flight tickets
Scandinavian Airlines
12 Sept
DUB12:20Dublin
36h 39m
2 stops
IAD19:59Washington, D.C. Dulles Intl
19 Sept
IAD22:05Washington, D.C. Dulles Intl
39h 20m
2 stops
DUB18:25Dublin
Scandinavian Airlines
15 Sept
DUB19:05Dublin
29h 54m
1 stop
IAD19:59Washington, D.C. Dulles Intl
18 Sept
IAD22:05Washington, D.C. Dulles Intl
40h 10m
2 stops
DUB19:15Dublin
Scandinavian Airlines
12 Sept
DUB19:05Dublin
29h 54m
1 stop
IAD19:59Washington, D.C. Dulles Intl
19 Sept
IAD22:05Washington, D.C. Dulles Intl
39h 20m
2 stops
DUB18:25Dublin

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Washington, D.C. 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 279,928 searches. Data last updated 1 August 2025.
Use the filters below to find and compare flights from Ireland to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Mon 15/9

11:35-17:40

1 stop11h 05m

Baltimore/Washington

Thu 18/9

18:50-09:45

1 stop9h 55m

£277

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 12/9

12:20-19:59

2 stops36h 39m

Washington, D.C. Dulles Intl

Fri 19/9

22:05-18:25

2 stops39h 20m

£294

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 15/9

12:50-15:50

Nonstop8h 00m

Washington, D.C. Dulles Intl

Thu 18/9

20:25-08:15

Nonstop6h 50m

£328

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 4/9

12:50-15:50

Nonstop8h 00m

Washington, D.C. Dulles Intl

Thu 18/9

20:25-08:15

Nonstop6h 50m

£329

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 12/9

05:55-15:15

1 stop14h 20m

Washington, D.C. Dulles Intl

Fri 19/9

22:15-10:20

Nonstop7h 05m

£375

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Thu 20/11

10:30-18:45

1 stop13h 15m

Baltimore/Washington

Sun 30/11

20:35-12:15

1 stop10h 40m

£388

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Tue 28/10

10:55-19:45

1 stop12h 50m

Baltimore/Washington

Thu 13/11

20:35-12:25

1 stop10h 50m

£388

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 4/9

05:55-13:30

1 stop12h 35m

Washington, D.C. Dulles Intl

Sun 7/9

22:15-10:20

Nonstop7h 05m

£389

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 4/9

09:20-15:51

1 stop11h 31m

Washington, D.C. Reagan-National

Sun 7/9

09:40-07:45

1 stop17h 05m

£399

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 27/10

08:00-20:40

1 stop16h 40m

Washington, D.C. Reagan-National

Mon 3/11

19:00-09:55

1 stop9h 55m

£401

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.

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 month to fly to Washington, D.C.?

The cheapest month to fly to Washington, D.C. from Ireland is in January. Flight prices, which tend to average around £354, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. in January, then you should wait until November to fly from Ireland, when ticket prices are also cheap, with an average price of £378.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Ireland is on a Thursday. momondo users have found tickets for Thursday departures for as low as £542. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £634.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

At midday is the cheapest time of day to fly from Ireland to Washington, D.C. when you can find flight prices for as low as £424. Flying to Washington, D.C. at midday is an ideal time because this is during off-peak travel hours. Flights to Washington, D.C. are more costly in the morning, with an average ticket price of £588. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Ireland to Washington, D.C. flight route?

Fly from Dublin to Washington, D.C. Dulles Intl for the best Ireland - Washington, D.C. flight prices

What cabin class options are available on Ireland to Washington, D.C. flights?

There are 3 cabin classes available to choose from on Ireland to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ireland to Washington, D.C. flights?

You could potentially save up to 33% on your flight if you consider stops on a Ireland to Washington, D.C. flight.

Cheap Ireland to Washington, D.C. flight deals and tips

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

Best price found

£296

Fastest flight time

8h 00m

Direct flights

Every day

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Ireland in the past 72 hours is £296. The best return flight deal from Ireland to Washington, D.C. found on momondo in the last 72 hours is £277.
The fastest flight from Ireland to Washington, D.C. takes 8h 00m
Direct flights go from Ireland to Washington, D.C. every day.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)

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

    Prices for flights from Ireland to Washington, D.C. are updated daily.

  • How many operators does momondo search for flights from Ireland to Washington, D.C.?

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

    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 Ireland to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Ireland to Washington, D.C.?


Best airlines flying from Ireland to Washington, D.C.

Compare and see reviews for airlines that fly from Ireland to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom £221Free CancellationRating
7.0
102 reviews
Search PLAY flights
IcelandairPriceFrom £299Free CancellationRating
7.0
520 reviews
Search Icelandair flights
British AirwaysPriceFrom £312Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
LufthansaPriceFrom £317Free CancellationRating
6.8
7,275 reviews
Search Lufthansa flights
United AirlinesPriceFrom £325Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
Aer LingusPriceFrom £342Free CancellationRating
7.1
1,192 reviews
Search Aer Lingus flights

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Laurel
Essex
Alexandria
Fairfax
Manassas
Bethesda
Oxon Hill
College Park
Linthicum Heights
Gettysburg
Hanover
Cambridge
Ellicott City
Westminster
Arlington
Woodbridge
Owings Mills
Silver Spring
National Harbor

Why use momondo?

Why should I use momondo to find a flight deal from Ireland 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 Ireland to Washington, D.C. . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Ireland with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Ireland.

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

If you are not ready to book a flight from Ireland to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.


An easier way to manage your Washington, D.C. 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 6/8
Wed 13/8

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.