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Cheap flights from Dublin to Washington, D.C. from £339

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 20/5. 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 Dublin to Washington, D.C.

Cheap return flights

These are some of the best return flight deals from Dublin to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.
KLM Logo
08:55 - 15:35DUB-IAD
11h 40m1 stop
KLM Logo
17:25 - 12:35IAD-DUB
14h 10m1 stop
£339KLM
Find Deal
Tue, 20 May - Tue, 27 May
KLM Logo
08:55 - 15:35DUB-IAD
11h 40m1 stop
KLM Logo
17:25 - 12:35IAD-DUB
14h 10m1 stop
£340KLM
Find Deal
Thu, 22 May - Wed, 28 May
Icelandair Logo
12:15 - 19:20DUB-IAD
12h 05m1 stop
Icelandair Logo
20:30 - 13:15IAD-DUB
11h 45m1 stop
£382Icelandair
Find Deal
Wed, 18 Jun - Fri, 11 Jul
United Airlines Logo
09:50 - 09:39DUB-IAD
28h 49m1 stop
United Airlines Logo
19:00 - 07:10IAD-DUB
7h 10mdirect
£389United Airlines
Find Deal
Mon, 12 May - Mon, 19 May
United Airlines Logo
09:50 - 11:54DUB-IAD
31h 04m2 stops
United Airlines Logo
19:00 - 07:10IAD-DUB
7h 10mdirect
£394United Airlines
Find Deal
Tue, 13 May - Tue, 20 May
Lufthansa Logo
12:30 - 15:30DUB-IAD
8h 00mdirect
Lufthansa Logo
22:05 - 10:20IAD-DUB
7h 15mdirect
£402Lufthansa
Find Deal
Mon, 12 May - Mon, 19 May
Icelandair Logo
12:15 - 19:20DUB-IAD
12h 05m1 stop
Icelandair Logo
23:15 - 13:15IAD-DUB
9h 00m1 stop
£406Icelandair
Find Deal
Wed, 4 Jun - Wed, 11 Jun
Aer Lingus Logo
12:50 - 15:50DUB-IAD
8h 00mdirect
Aer Lingus Logo
17:20 - 05:10IAD-DUB
6h 50mdirect
£492Aer Lingus
Find Deal
Thu, 5 Jun - Mon, 9 Jun
Lufthansa Logo
12:30 - 15:35DUB-IAD
8h 05mdirect
Lufthansa Logo
23:05 - 10:05IAD-DUB
7h 00mdirect
£504Lufthansa
Find Deal
Tue, 21 Oct - Tue, 28 Oct
Aer Lingus Logo
12:50 - 15:50DUB-IAD
8h 00mdirect
Aer Lingus Logo
17:20 - 05:10IAD-DUB
6h 50mdirect
£596Aer Lingus
Find Deal
Wed, 2 Jul - Fri, 11 Jul

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
10 May
DUB08:55Dublin
11h 40m
1 stop
IAD15:35Washington, D.C. Dulles Intl
19 May
IAD07:05Washington, D.C. Dulles Intl
20h 40m
1 stop
DUB08:45Dublin
Delta
10 May
DUB08:55Dublin
11h 40m
1 stop
IAD15:35Washington, D.C. Dulles Intl
19 May
IAD07:05Washington, D.C. Dulles Intl
20h 40m
1 stop
DUB08:45Dublin
Delta
12 May
DUB05:55Dublin
14h 40m
1 stop
IAD15:35Washington, D.C. Dulles Intl
19 May
IAD17:25Washington, D.C. Dulles Intl
14h 10m
1 stop
DUB12:35Dublin

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

Our best Lufthansa deals on Dublin to Washington, D.C. Dulles Intl Airport flight tickets
Lufthansa
9 May
DUB10:40Dublin
13h 45m
1 stop
IAD19:25Washington, D.C. Dulles Intl
18 May
IAD22:05Washington, D.C. Dulles Intl
7h 15m
DUB10:20Dublin
Lufthansa
12 May
DUB12:30Dublin
8h 00m
IAD15:30Washington, D.C. Dulles Intl
19 May
IAD22:05Washington, D.C. Dulles Intl
7h 15m
DUB10:20Dublin
Lufthansa
21 Oct
DUB12:30Dublin
8h 05m
IAD15:35Washington, D.C. Dulles Intl
28 Oct
IAD23:05Washington, D.C. Dulles Intl
7h 00m
DUB10:05Dublin

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 £345. 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 £373.

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

According to our data, Wednesday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Dublin. The lowest ticket price found for a Wednesday departure recently was £523. 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 £598.

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 £421. 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 £572.

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 16 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around £434 when searching 16 weeks out.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 £364 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 May 2025, prices for Dublin to Washington, D.C. Dulles Intl Airport flights are approximately 1% cheaper 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

£357

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 £357. The best return flight deal from Dublin to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is £339.
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.

  • 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
PLAYPriceFrom £210Free CancellationRating
6.9
101 reviews
Search PLAY flights
IcelandairPriceFrom £296Free CancellationRating
7.0
487 reviews
Search Icelandair flights
British AirwaysPriceFrom £309Free CancellationRating
6.6
6,842 reviews
Search British Airways flights
United AirlinesPriceFrom £322Free CancellationRating
7.4
8,696 reviews
Search United Airlines flights
Aer LingusPriceFrom £340Free CancellationRating
7.0
1,076 reviews
Search Aer Lingus flights
LufthansaPriceFrom £428Free CancellationRating
6.7
7,045 reviews
Search Lufthansa 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 10 times per week, with 8,696 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 £454 round-trip, depending on your selected dates, with average Aer Lingus deals seen on momondo around £550. Aer Lingus operates 14 flights to Washington, D.C. Dulles Intl Airport from Dublin in an average week. Users have rated it 7.0/10 across 1,076 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
Alexandria
Laurel
Essex
National Harbor
Fairfax
Harpers Ferry
Manassas
Bethesda
Oxon Hill
Chantilly
College Park
Front Royal
Linthicum Heights
Gettysburg
Cambridge
Ellicott City
Hanover
Westminster
Arlington

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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