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Cheap flights from Ireland to Washington, D.C. from £305

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 22/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ireland to Washington, D.C.

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

British Airways Logo
10:55 - 19:55DUB-IAD
14h 00m1 stop
British Airways Logo
21:45 - 15:00IAD-DUB
12h 15m1 stop
£305British Airways
Find Deal
lør., 22 nov. - lør., 6 dec.
Lufthansa Logo
05:10 - 15:35DUB-IAD
14h 25m1 stop
Lufthansa Logo
22:20 - 10:20IAD-DUB
7h 00mdirect
£311Lufthansa
Find Deal
lør., 1 nov. - lør., 8 nov.
Scandinavian Airlines Logo
19:05 - 19:59DUB-IAD
29h 54m1 stop
Scandinavian Airlines Logo
22:05 - 11:50IAD-DUB
32h 45m1 stop
£311Scandinavian Airlines
Find Deal
ons., 15 okt. - ons., 22 okt.
Scandinavian Airlines Logo
11:30 - 17:15DUB-IAD
34h 45m2 stops
Scandinavian Airlines Logo
20:30 - 10:00IAD-DUB
32h 30m2 stops
£312Scandinavian Airlines
Find Deal
ons., 11 feb. - ons., 18 feb.
Aer Lingus Logo
12:15 - 16:35DUB-IAD
8h 20mdirect
Aer Lingus Logo
21:00 - 08:50IAD-DUB
6h 50mdirect
£315Aer Lingus
Find Deal
lør., 1 nov. - lør., 8 nov.
Aer Lingus Logo
16:35 - 19:30DUB-IAD
7h 55mdirect
Aer Lingus Logo
21:00 - 08:50IAD-DUB
6h 50mdirect
£317Aer Lingus
Find Deal
ons., 15 okt. - ons., 22 okt.
United Airlines Logo
09:00 - 15:51DUB-IAD
11h 51m1 stop
United Airlines Logo
22:20 - 10:20IAD-DUB
7h 00mdirect
£326United Airlines
Find Deal
ons., 26 nov. - tir., 24 feb.
United Airlines Logo
09:50 - 19:44DUB-DCA
14h 54m1 stop
United Airlines Logo
18:04 - 09:45DCA-DUB
10h 41m1 stop
£330United Airlines
Find Deal
ons., 8 okt. - man., 13 okt.
Icelandair Logo
11:30 - 18:30DUB-IAD
12h 00m1 stop
Icelandair Logo
19:40 - 10:15IAD-DUB
9h 35m1 stop
£345Icelandair
Find Deal
fre., 5 dec. - man., 8 dec.
Icelandair Logo
11:30 - 18:30DUB-IAD
12h 00m1 stop
Icelandair Logo
19:40 - 10:15IAD-DUB
9h 35m1 stop
£375Icelandair
Find Deal
tir., 16 dec. - man., 29 dec.

Delta flights from Ireland to Washington, D.C.

Our best Delta deals on Ireland to Washington, D.C. flight tickets
Delta
30 Oct
DUB05:55Dublin
15h 10m
1 stop
IAD17:05Washington, D.C. Dulles Intl
5 Nov
IAD15:33Washington, D.C. Dulles Intl
19h 12m
2 stops
DUB15:45Dublin
£322
Find similar
Delta
27 Oct
DUB05:55Dublin
15h 10m
1 stop
IAD17:05Washington, D.C. Dulles Intl
2 Nov
IAD21:25Washington, D.C. Dulles Intl
13h 20m
1 stop
DUB15:45Dublin
£322
Find similar
Delta
11 Nov
DUB08:50Dublin
12h 15m
1 stop
IAD16:05Washington, D.C. Dulles Intl
16 Nov
IAD12:11Washington, D.C. Dulles Intl
14h 54m
2 stops
DUB08:05Dublin
£325
Find similar

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

Our best Scandinavian Airlines deals on Ireland to Washington, D.C. flight tickets
Scandinavian Airlines
15 Oct
DUB19:05Dublin
29h 54m
1 stop
IAD19:59Washington, D.C. Dulles Intl
22 Oct
IAD22:05Washington, D.C. Dulles Intl
32h 45m
1 stop
DUB11:50Dublin
£311
Find similar
Scandinavian Airlines
11 Feb
DUB11:30Dublin
34h 45m
2 stops
IAD17:15Washington, D.C. Dulles Intl
18 Feb
IAD20:30Washington, D.C. Dulles Intl
32h 30m
2 stops
DUB10:00Dublin
£312
Find similar
Scandinavian Airlines
22 Nov
DUB10:10Dublin
13h 40m
1 stop
IAD18:50Washington, D.C. Dulles Intl
6 Dec
IAD20:30Washington, D.C. Dulles Intl
33h 15m
2 stops
DUB10:45Dublin
£324
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 18 september 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

lør. 22/11

10:55-19:55

1 stop14h 00m

Washington, D.C. Dulles Intl

lør. 6/12

21:45-15:00

1 stop12h 15m

£305

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

lør. 1/11

05:10-15:35

1 stop14h 25m

Washington, D.C. Dulles Intl

lør. 8/11

22:20-10:20

Nonstop7h 00m

£311

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

ons. 15/10

19:05-19:59

1 stop29h 54m

Washington, D.C. Dulles Intl

ons. 22/10

22:05-11:50

1 stop32h 45m

£311

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

ons. 11/2

11:30-17:15

2 stops34h 45m

Washington, D.C. Dulles Intl

ons. 18/2

20:30-10:00

2 stops32h 30m

£312

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

lør. 1/11

12:15-16:35

Nonstop8h 20m

Washington, D.C. Dulles Intl

lør. 8/11

21:00-08:50

Nonstop6h 50m

£315

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

ons. 15/10

16:35-19:30

Nonstop7h 55m

Washington, D.C. Dulles Intl

ons. 22/10

21:00-08:50

Nonstop6h 50m

£317

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

ons. 26/11

09:00-15:51

1 stop11h 51m

Washington, D.C. Dulles Intl

tir. 24/2

22:20-10:20

Nonstop7h 00m

£326

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

ons. 8/10

09:50-19:44

1 stop14h 54m

Washington, D.C. Reagan-National

man. 13/10

18:04-09:45

1 stop10h 41m

£330

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

fre. 5/12

11:30-18:30

1 stop12h 00m

Washington, D.C. Dulles Intl

man. 8/12

19:40-10:15

1 stop9h 35m

£345

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

tir. 16/12

11:30-18:30

1 stop12h 00m

Washington, D.C. Dulles Intl

man. 29/12

19:40-10:15

1 stop9h 35m

£375

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 £353, 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 March to fly from Ireland, when ticket prices are also cheap, with an average price of £371.

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 £531. 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 £617.

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 £411. 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 £575. 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 £443 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 £347 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 20% 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

£395

Fastest flight time

7h 55m

Direct flights

Every day

Airports in Washington, D.C.

1 airport
The best one-way flight to Washington, D.C. from Ireland in the past 72 hours is £395. The best return flight deal from Ireland to Washington, D.C. found on momondo in the last 72 hours is £499.
The fastest flight from Ireland to Washington, D.C. takes 7h 55m
Direct flights go from Ireland to Washington, D.C. every day.
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 £214Free CancellationRating
7.0
103 reviews
Search PLAY flights
IcelandairPriceFrom £290Free CancellationRating
7.0
545 reviews
Search Icelandair flights
British AirwaysPriceFrom £305Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
LufthansaPriceFrom £307Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
United AirlinesPriceFrom £315Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
Aer LingusPriceFrom £347Free CancellationRating
7.2
1,277 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
Essex
Alexandria
Fairfax
Bethesda
Oxon Hill
Gettysburg
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.
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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