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Cheap flights from Dublin to Washington, D.C. from €291

This is the cheapest one-way 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 15/10. 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

Icelandair Logo
11:30 - 18:30DUB-IAD
12h 00m1 stop
Icelandair Logo
19:40 - 10:15IAD-DUB
9h 35m1 stop
€317Icelandair
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Tue, 25 Nov - Sun, 30 Nov
Icelandair Logo
11:30 - 18:30DUB-IAD
12h 00m1 stop
Icelandair Logo
19:40 - 10:15IAD-DUB
9h 35m1 stop
€339Icelandair
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Fri, 5 Dec - Mon, 8 Dec
Lufthansa Logo
11:45 - 21:15DUB-IAD
13h 30m1 stop
Lufthansa Logo
22:20 - 10:20IAD-DUB
7h 00mdirect
€341Lufthansa
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Thu, 30 Oct - Thu, 6 Nov
Scandinavian Airlines Logo
19:05 - 17:15DUB-IAD
27h 10m1 stop
Scandinavian Airlines Logo
20:30 - 10:00IAD-DUB
32h 30m2 stops
€342Scandinavian Airlines
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Wed, 11 Feb - Wed, 18 Feb
Scandinavian Airlines Logo
19:05 - 17:15DUB-IAD
27h 10m1 stop
Scandinavian Airlines Logo
20:30 - 11:45IAD-DUB
34h 15m1 stop
€343Scandinavian Airlines
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Wed, 11 Feb - Wed, 18 Feb
Lufthansa Logo
05:10 - 15:35DUB-IAD
14h 25m1 stop
Lufthansa Logo
22:20 - 10:20IAD-DUB
7h 00mdirect
€363Lufthansa
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Fri, 31 Oct - Thu, 6 Nov
Aer Lingus Logo
16:20 - 20:30DUB-IAD
8h 10mdirect
Aer Lingus Logo
17:05 - 04:55IAD-DUB
6h 50mdirect
€365Aer Lingus
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Wed, 29 Oct - Wed, 5 Nov
Aer Lingus Logo
16:00 - 18:55DUB-IAD
7h 55mdirect
Aer Lingus Logo
17:20 - 05:10IAD-DUB
6h 50mdirect
€374Aer Lingus
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Fri, 10 Oct - Sun, 12 Oct
United Airlines Logo
09:20 - 16:18DUB-IAD
11h 58m1 stop
United Airlines Logo
22:15 - 10:20IAD-DUB
7h 05mdirect
€377United Airlines
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Thu, 25 Sep - Sat, 4 Oct
United Airlines Logo
09:00 - 15:51DUB-IAD
11h 51m1 stop
United Airlines Logo
22:20 - 10:20IAD-DUB
7h 00mdirect
€378United Airlines
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Wed, 26 Nov - Tue, 24 Feb

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
25 Nov
DUB05:55Dublin
15h 10m
1 stop
IAD16:05Washington, D.C. Dulles Intl
30 Nov
IAD06:00Washington, D.C. Dulles Intl
20h 45m
1 stop
DUB07:45Dublin
€375
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Delta
1 Oct
DUB05:55Dublin
14h 40m
1 stop
IAD15:35Washington, D.C. Dulles Intl
13 Oct
IAD21:20Washington, D.C. Dulles Intl
12h 40m
1 stop
DUB15:00Dublin
€376
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Delta
1 Oct
DUB05:55Dublin
14h 40m
1 stop
IAD15:35Washington, D.C. Dulles Intl
13 Oct
IAD19:59Washington, D.C. Dulles Intl
14h 01m
2 stops
DUB15:00Dublin
€377
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Aer Lingus flights from Dublin to Washington, D.C. Dulles Intl Airport

Our best Aer Lingus deals on Dublin to Washington, D.C. Dulles Intl Airport flight tickets
Aer Lingus
29 Oct
DUB16:20Dublin
8h 10m
IAD20:30Washington, D.C. Dulles Intl
5 Nov
IAD17:05Washington, D.C. Dulles Intl
6h 50m
DUB04:55Dublin
€365
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Aer Lingus
22 Sept
DUB16:00Dublin
7h 55m
IAD18:55Washington, D.C. Dulles Intl
5 Oct
IAD20:25Washington, D.C. Dulles Intl
6h 50m
DUB08:15Dublin
€372
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Aer Lingus
10 Oct
DUB16:00Dublin
7h 55m
IAD18:55Washington, D.C. Dulles Intl
12 Oct
IAD17:20Washington, D.C. Dulles Intl
6h 50m
DUB05:10Dublin
€374
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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 13,528 searches. Data last updated 15 September 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

Tue 25/11

11:30-18:30

1 stop12h 00m

Washington, D.C. Dulles Intl

Sun 30/11

19:40-10:15

1 stop9h 35m

€317

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

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 30/10

11:45-21:15

1 stop13h 30m

Washington, D.C. Dulles Intl

Thu 6/11

22:20-10:20

Nonstop7h 00m

€341

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 11/2

19:05-17:15

1 stop27h 10m

Washington, D.C. Dulles Intl

Wed 18/2

20:30-10:00

2 stops32h 30m

€342

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 11/2

19:05-17:15

1 stop27h 10m

Washington, D.C. Dulles Intl

Wed 18/2

20:30-11:45

1 stop34h 15m

€343

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 31/10

05:10-15:35

1 stop14h 25m

Washington, D.C. Dulles Intl

Thu 6/11

22:20-10:20

Nonstop7h 00m

€363

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 29/10

16:20-20:30

Nonstop8h 10m

Washington, D.C. Dulles Intl

Wed 5/11

17:05-04:55

Nonstop6h 50m

€365

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 10/10

16:00-18:55

Nonstop7h 55m

Washington, D.C. Dulles Intl

Sun 12/10

17:20-05:10

Nonstop6h 50m

€374

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 25/9

09:20-16:18

1 stop11h 58m

Washington, D.C. Dulles Intl

Sat 4/10

22:15-10:20

Nonstop7h 05m

€377

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 26/11

09:00-15:51

1 stop11h 51m

Washington, D.C. Dulles Intl

Tue 24/2

22:20-10:20

Nonstop7h 00m

€378

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 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 €419. 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 November instead. Flights to Washington, D.C. Dulles Intl Airport in November, while not as cheap as those in February, still average around €432.

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 €637. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Dulles Intl Airport on Sunday is €786.

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

According to our data, the cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is in the afternoon. momondo users have found flights departing from Dublin to Washington, D.C. Dulles Intl Airport in the afternoon for as low as €523. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around €690. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 €515 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 €404 on momondo.

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

There are 2 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.

Can stopping save me money on Dublin to Washington, D.C. Dulles Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Dublin to Washington, D.C. Dulles Intl Airport.

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

As of September 2025, prices for Dublin to Washington, D.C. Dulles Intl Airport flights are approximately 34% 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

€735

Fastest flight time

7h 55m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Dublin in the past 72 hours is €735. The best return flight deal from Dublin to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is €544.
The fastest flight from Dublin to Washington, D.C. Dulles Intl Airport takes 7h 55m
Direct flights go from Dublin to Washington, D.C. Dulles Intl Airport every day.
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  • How far is Dublin to Washington, D.C. Dulles Intl by plane?

    The straight-line distance from Dublin to Washington, D.C. Dulles Intl is 5461.9 km. Flights usually cover this in 7h 55m, depending on flying conditions and air traffic around both airports.

  • 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 are refreshed on a daily basis.

  • 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 stopovers. 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 required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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 €294Free CancellationRating
7.0
544 reviews
Search Icelandair flights
Aer LingusPriceFrom €327Free CancellationRating
7.2
1,270 reviews
Search Aer Lingus flights
United AirlinesPriceFrom €403Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights

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

    United Airlines flight deals from Dublin to Washington, D.C. Dulles Intl Airport start from €473 round-trip. Over the 14 United Airlines flights for this route in a normal week, average airfare is usually €783 round-trip - but some users have found much cheaper deals with momondo.

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

    Aer Lingus (7.2/10 from 1,270 reviews) operates around 9 flights from Dublin to Washington, D.C. Dulles Intl Airport in any given week. The average Aer Lingus airfare for this route is around €575, with deals from around €384 rare but found on momondo. Referenced prices are for round-trip Dublin to Washington, D.C. Dulles Intl Airport flight searches in the last 72 hours.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Gettysburg

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?

Flights from Dublin to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Dublin and alert you when they change.

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