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Cheap flights from Dublin to Washington, D.C. from £295

This is the cheapest return 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 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.
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Cheap return flights

Scandinavian Airlines Logo
19:05 - 19:59DUB-IAD
29h 54m1 stop
Scandinavian Airlines Logo
22:05 - 19:15IAD-DUB
40h 10m2 stops
£295Scandinavian Airlines
Find Deal
Mon, 15 Sep - Thu, 18 Sep
Scandinavian Airlines Logo
19:05 - 19:59DUB-IAD
29h 54m1 stop
Scandinavian Airlines Logo
22:05 - 18:15IAD-DUB
15h 10m1 stop
£302Scandinavian Airlines
Find Deal
Mon, 15 Sep - Mon, 22 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
Icelandair Logo
11:30 - 18:20DUB-IAD
11h 50m1 stop
Icelandair Logo
19:40 - 10:15IAD-DUB
9h 35m1 stop
£348Icelandair
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Fri, 5 Dec - Mon, 8 Dec
Icelandair Logo
14:15 - 19:20DUB-IAD
10h 05m1 stop
Icelandair Logo
20:30 - 11:05IAD-DUB
9h 35m1 stop
£348Icelandair
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Mon, 13 Oct - Thu, 23 Oct
TAP AIR PORTUGAL Logo
18:50 - 15:20DUB-IAD
25h 30m1 stop
TAP AIR PORTUGAL Logo
18:30 - 23:20IAD-DUB
24h 50m1 stop
£354TAP AIR PORTUGAL
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Tue, 21 Oct - Tue, 28 Oct
TAP AIR PORTUGAL Logo
18:50 - 15:20DUB-IAD
25h 30m1 stop
TAP AIR PORTUGAL Logo
18:30 - 23:20IAD-DUB
24h 50m1 stop
£357TAP AIR PORTUGAL
Find Deal
Tue, 21 Oct - Tue, 28 Oct
British Airways Logo
11:05 - 20:10DUB-IAD
14h 05m1 stop
British Airways Logo
17:50 - 14:15IAD-DUB
15h 25m1 stop
£390British Airways
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Mon, 1 Sep - Sun, 7 Sep
British Airways Logo
11:00 - 20:15DUB-IAD
14h 15m1 stop
British Airways Logo
18:20 - 09:50IAD-DUB
10h 30m1 stop
£391British Airways
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Thu, 23 Oct - Sun, 2 Nov

Delta flights from Dublin to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Dublin to Washington, D.C. Dulles Intl Airport flight tickets
Delta
11 Nov
DUB08:50Dublin
12h 15m
1 stop
IAD16:05Washington, D.C. Dulles Intl
16 Nov
IAD19:59Washington, D.C. Dulles Intl
14h 46m
2 stops
DUB15:45Dublin
£384
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Delta
11 Nov
DUB05:55Dublin
15h 10m
1 stop
IAD16:05Washington, D.C. Dulles Intl
16 Nov
IAD18:50Washington, D.C. Dulles Intl
15h 55m
1 stop
DUB15:45Dublin
£385
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Delta
14 Sept
DUB05:55Dublin
14h 40m
1 stop
IAD15:35Washington, D.C. Dulles Intl
21 Sept
IAD18:30Washington, D.C. Dulles Intl
15h 30m
1 stop
DUB15:00Dublin
£387
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Scandinavian Airlines flights from Dublin to Washington, D.C. Dulles Intl Airport

Our best Scandinavian Airlines deals on Dublin to Washington, D.C. Dulles Intl Airport flight tickets
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
£295
Find similar
Scandinavian Airlines
15 Sept
DUB19:05Dublin
29h 54m
1 stop
IAD19:59Washington, D.C. Dulles Intl
22 Sept
IAD22:05Washington, D.C. Dulles Intl
15h 10m
1 stop
DUB18:15Dublin
£302
Find similar
Scandinavian Airlines
28 Oct
DUB11:30Dublin
34h 45m
2 stops
IAD18:15Washington, D.C. Dulles Intl
13 Nov
IAD20:30Washington, D.C. Dulles Intl
16h 50m
1 stop
DUB18:20Dublin
£302
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momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 15/9

19:05-19:59

1 stop29h 54m

Washington, D.C. Dulles Intl

Thu 18/9

22:05-19:15

2 stops40h 10m

£295

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 15/9

19:05-19:59

1 stop29h 54m

Washington, D.C. Dulles Intl

Mon 22/9

22:05-18:15

1 stop15h 10m

£302

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 5/12

11:30-18:20

1 stop11h 50m

Washington, D.C. Dulles Intl

Mon 8/12

19:40-10:15

1 stop9h 35m

£348

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 13/10

14:15-19:20

1 stop10h 05m

Washington, D.C. Dulles Intl

Thu 23/10

20:30-11:05

1 stop9h 35m

£348

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 21/10

18:50-15:20

1 stop25h 30m

Washington, D.C. Dulles Intl

Tue 28/10

18:30-23:20

1 stop24h 50m

£354

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 21/10

18:50-15:20

1 stop25h 30m

Washington, D.C. Dulles Intl

Tue 28/10

18:30-23:20

1 stop24h 50m

£357

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 1/9

11:05-20:10

1 stop14h 05m

Washington, D.C. Dulles Intl

Sun 7/9

17:50-14:15

1 stop15h 25m

£390

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 23/10

11:00-20:15

1 stop14h 15m

Washington, D.C. Dulles Intl

Sun 2/11

18:20-09:50

1 stop10h 30m

£391

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 Dublin to Washington, D.C. Dulles Intl 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 typical price of a round-trip flight between Dublin and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

The month of February is, on average, the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Dublin, with most prices found around £348. If you aren’t able to travel during the month of February, then book flights to Washington, D.C. Dulles Intl Airport from Dublin during January instead. Flights to Washington, D.C. Dulles Intl Airport in January, while not as cheap as those in February, still average around £380.

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

According to our data, Thursday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Dublin. The lowest ticket price found for a Thursday departure recently was £542. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Sunday is the most expensive day to depart from Dublin 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. Dulles Intl Airport?

The cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is at midday when flights can be purchased for as low as £425. In contrast, the most expensive time of day to depart to Washington, D.C. Dulles Intl Airport is in the morning when prices are around £588.

What is the cheapest Dublin to Washington, D.C. Dulles Intl flight route?

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

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around £439 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. Dulles Intl Airport from Dublin for as low as £360 on momondo.

What cabin class options are available on Dublin to Washington, D.C. Dulles Intl flights?

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

How have Dublin to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of August 2025, prices for Dublin to Washington, D.C. Dulles Intl Airport flights are approximately 6% more expensive when compared to flights at the same time last year.

When to book flights from Dublin to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Washington, D.C. Dulles Intl 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. Dulles Intl Airport (DUB to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Washington, D.C. Dulles Intl Airport

Best price found

£460

Fastest flight time

8h 00m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Dublin in the past 72 hours is £460. The best return flight deal from Dublin to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is £295.
The fastest flight from Dublin to Washington, D.C. Dulles Intl Airport takes 8h 00m
Direct flights go from Dublin to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • How far is Dublin to Washington, D.C. Dulles Intl by plane?

    Washington, D.C. Dulles Intl is 3393.9 mi away from Dublin. A reasonable flight in good conditions will take 8h 00m.

  • When did momondo last update prices for flights from Dublin Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Dublin Airport to Washington, D.C. Dulles Intl Airport refresh daily.

  • How many operators does momondo search for flights from Dublin Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Dublin Airport to Washington, D.C. Dulles Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to Washington, D.C. Dulles Intl Airport.

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

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl 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 license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Dublin to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Dublin to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Dublin to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Dublin to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
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

  • United Airlines Flights From Dublin to Washington, D.C. Dulles Intl Airport

    United Airlines flies from Dublin to Washington, D.C. Dulles Intl Airport around 12 times per week, with 8,900 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Dublin to Washington, D.C. Dulles Intl Airport in the last 72 hours was £431 (round-trip), much lower than the average airfare cost of £724 for United Airlines flights on this route.

  • Aer Lingus Flights From Dublin to Washington, D.C. Dulles Intl Airport

    Aer Lingus is also a popular choice for this route. Aer Lingus flight deals for Dublin to Washington, D.C. Dulles Intl Airport start from as low as £452 round-trip, depending on your selected dates, with average Aer Lingus deals seen on momondo around £570. Aer Lingus operates 14 flights to Washington, D.C. Dulles Intl Airport from Dublin in an average week. Users have rated it 7.1/10 across 1,192 reviews.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Winchester
Laurel
Essex
Alexandria
Fairfax
Manassas
Bethesda
Oxon Hill
Chantilly
College Park
Linthicum Heights
Gettysburg
Front Royal
Hanover
Cambridge
Ellicott City
Westminster
Arlington
Ashburn
Woodbridge

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?

momondo does allow users to show only those flights to Washington, D.C. from Dublin which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Dublin to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Dublin 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.

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