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Cheap flights from Ireland to Washington, D.C. from £314

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 8/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ireland to Washington, D.C.

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

Enter your travel dates to find the best prices.
Icelandair Logo
11:30 - 18:30DUB-IAD
12h 00m1 stop
Icelandair Logo
19:40 - 10:15IAD-DUB
9h 35m1 stop
£338Icelandair
Find Deal
Fri, 5 Dec - Mon, 8 Dec
Icelandair Logo
11:30 - 18:30DUB-IAD
12h 00m1 stop
Icelandair Logo
19:40 - 10:15IAD-DUB
9h 35m1 stop
£339Icelandair
Find Deal
Fri, 5 Dec - Mon, 8 Dec
British Airways Logo
10:20 - 18:45DUB-BWI
13h 25m1 stop
British Airways Logo
20:35 - 15:40BWI-DUB
14h 05m1 stop
£406British Airways
Find Deal
Wed, 11 Feb - Wed, 18 Feb
Aer Lingus Logo
16:20 - 19:30DUB-IAD
8h 10mdirect
Aer Lingus Logo
18:20 - 11:15IAD-DUB
11h 55m1 stop
£408Aer Lingus
Find Deal
Fri, 28 Nov - Sun, 7 Dec
Aer Lingus Logo
12:15 - 15:35DUB-IAD
8h 20mdirect
Aer Lingus Logo
18:20 - 10:15IAD-DUB
10h 55m1 stop
£409Aer Lingus
Find Deal
Tue, 2 Dec - Tue, 9 Dec
Lufthansa Logo
11:45 - 21:15DUB-IAD
13h 30m1 stop
Lufthansa Logo
22:05 - 10:20IAD-DUB
7h 15mdirect
£425Lufthansa
Find Deal
Tue, 24 Mar - Thu, 16 Apr
British Airways Logo
10:55 - 19:45DUB-BWI
12h 50m1 stop
British Airways Logo
21:30 - 13:25BWI-DUB
10h 55m1 stop
£430British Airways
Find Deal
Tue, 24 Mar - Thu, 16 Apr
Lufthansa Logo
12:05 - 16:20DUB-IAD
8h 15mdirect
Lufthansa Logo
22:05 - 10:20IAD-DUB
7h 15mdirect
£441Lufthansa
Find Deal
Tue, 24 Mar - Thu, 16 Apr
United Airlines Logo
12:05 - 16:20DUB-IAD
8h 15mdirect
United Airlines Logo
22:05 - 10:20IAD-DUB
7h 15mdirect
£441United Airlines
Find Deal
Tue, 24 Mar - Thu, 16 Apr
United Airlines Logo
09:00 - 22:42DUB-DCA
18h 42m2 stops
United Airlines Logo
12:00 - 08:10DCA-DUB
15h 10m1 stop
£467United Airlines
Find Deal
Fri, 5 Dec - Mon, 8 Dec

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

Our best Scandinavian Airlines deals on Ireland to Washington, D.C. flight tickets
Scandinavian Airlines
24 Mar
DUB12:30Dublin
33h 45m
1 stop
IAD18:15Washington, D.C. Dulles Intl
16 Apr
IAD20:20Washington, D.C. Dulles Intl
32h 05m
1 stop
DUB09:25Dublin
£342
Find similar
Scandinavian Airlines
24 Mar
DUB12:30Dublin
33h 45m
1 stop
IAD18:15Washington, D.C. Dulles Intl
16 Apr
IAD20:20Washington, D.C. Dulles Intl
32h 05m
1 stop
DUB09:25Dublin
£343
Find similar
Scandinavian Airlines
25 Mar
DUB12:30Dublin
33h 45m
1 stop
IAD18:15Washington, D.C. Dulles Intl
15 Apr
IAD20:20Washington, D.C. Dulles Intl
17h 00m
1 stop
DUB18:20Dublin
£355
Find similar

Icelandair flights from Ireland to Washington, D.C.

Our best Icelandair deals on Ireland to Washington, D.C. flight tickets
Icelandair
5 Dec
DUB11:30Dublin
12h 00m
1 stop
IAD18:30Washington, D.C. Dulles Intl
8 Dec
IAD19:40Washington, D.C. Dulles Intl
9h 35m
1 stop
DUB10:15Dublin
£338
Find similar
Icelandair
5 Dec
DUB11:30Dublin
12h 00m
1 stop
IAD18:30Washington, D.C. Dulles Intl
8 Dec
IAD19:40Washington, D.C. Dulles Intl
9h 35m
1 stop
DUB10:15Dublin
£339
Find similar
Icelandair
2 Dec
DUB11:30Dublin
12h 10m
1 stop
BWI18:40Baltimore/Washington
9 Dec
BWI19:40Baltimore/Washington
9h 35m
1 stop
DUB10:15Dublin
£353
Find similar

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 5 November 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

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 5/12

11:30-18:30

1 stop12h 00m

Washington, D.C. Dulles Intl

Mon 8/12

19:40-10:15

1 stop9h 35m

£338

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 5/12

11:30-18:30

1 stop12h 00m

Washington, D.C. Dulles Intl

Mon 8/12

19:40-10:15

1 stop9h 35m

£339

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Wed 11/2

10:20-18:45

1 stop13h 25m

Baltimore/Washington

Wed 18/2

20:35-15:40

1 stop14h 05m

£406

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 28/11

16:20-19:30

Nonstop8h 10m

Washington, D.C. Dulles Intl

Sun 7/12

18:20-11:15

1 stop11h 55m

£408

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 2/12

12:15-15:35

Nonstop8h 20m

Washington, D.C. Dulles Intl

Tue 9/12

18:20-10:15

1 stop10h 55m

£409

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 24/3

11:45-21:15

1 stop13h 30m

Washington, D.C. Dulles Intl

Thu 16/4

22:05-10:20

Nonstop7h 15m

£425

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Tue 24/3

10:55-19:45

1 stop12h 50m

Baltimore/Washington

Thu 16/4

21:30-13:25

1 stop10h 55m

£430

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 24/3

12:05-16:20

Nonstop8h 15m

Washington, D.C. Dulles Intl

Thu 16/4

22:05-10:20

Nonstop7h 15m

£441

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 24/3

12:05-16:20

Nonstop8h 15m

Washington, D.C. Dulles Intl

Thu 16/4

22:05-10:20

Nonstop7h 15m

£441

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 5/12

09:00-22:42

2 stops18h 42m

Washington, D.C. Reagan-National

Mon 8/12

12:00-08:10

1 stop15h 10m

£467

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 £375, 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 February 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 Tuesday. momondo users have found tickets for Tuesday departures for as low as £556. 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 £649.

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 £429. 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 £604. 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

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around £459 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Ireland for as low as £399 on momondo.

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

There are 2 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 29% 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

£530

Fastest flight time

8h 00m

Direct flights

Mon, Tue, Wed, Thu, Sat and Sun

Airports in Washington, D.C.

1 airport
The best one-way flight to Washington, D.C. from Ireland in the past 72 hours is £530. The best return flight deal from Ireland to Washington, D.C. found on momondo in the last 72 hours is £551.
The fastest flight from Ireland to Washington, D.C. takes 8h 00m
Direct flights go from Ireland to Washington, D.C. on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights..
There is 1 airport near Washington, D.C.: Washington, D.C. Dulles Intl (IAD)
Search flight deals

  • 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 £224Free CancellationRating
7.0
103 reviews
Search PLAY flights
LufthansaPriceFrom £303Free CancellationRating
6.8
7,547 reviews
Search Lufthansa flights
IcelandairPriceFrom £318Free CancellationRating
7.1
568 reviews
Search Icelandair flights
British AirwaysPriceFrom £318Free CancellationRating
6.7
7,495 reviews
Search British Airways flights
United AirlinesPriceFrom £342Free CancellationRating
7.4
8,999 reviews
Search United Airlines flights
Aer LingusPriceFrom £343Free CancellationRating
7.2
1,365 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
College Park
Alexandria
Fairfax
Linthicum Heights
Bethesda
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

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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.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport