Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ireland to Washington, D.C. from €368

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 4/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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.
Scandinavian Airlines Logo
19:05 - 17:15DUB-IAD
27h 10m1 stop
Scandinavian Airlines Logo
21:30 - 18:20IAD-DUB
16h 50m1 stop
€368Scandinavian Airlines
Find Deal
Wed, 4 Mar - Wed, 11 Mar
Scandinavian Airlines Logo
12:30 - 17:15DUB-IAD
33h 45m1 stop
Scandinavian Airlines Logo
21:30 - 18:20IAD-DUB
16h 50m1 stop
€369Scandinavian Airlines
Find Deal
Wed, 4 Mar - Wed, 11 Mar
Icelandair Logo
11:30 - 18:30DUB-IAD
12h 00m1 stop
Icelandair Logo
19:40 - 10:15IAD-DUB
9h 35m1 stop
€373Icelandair
Find Deal
Tue, 3 Feb - Fri, 6 Feb
Icelandair Logo
11:30 - 18:30DUB-IAD
12h 00m1 stop
Icelandair Logo
19:40 - 10:15IAD-DUB
9h 35m1 stop
€382Icelandair
Find Deal
Fri, 5 Dec - Mon, 8 Dec
Multiple Airlines Logo
11:15 - 16:05ORK-IAD
33h 50m1 stop
Multiple Airlines Logo
18:50 - 14:45IAD-ORK
14h 55m1 stop
€495Multiple Airlines
Find Deal
Thu, 27 Nov - Thu, 4 Dec
Air France Logo
15:40 - 16:35ORK-IAD
29h 55m1 stop
Air France Logo
22:45 - 15:00IAD-ORK
12h 15m1 stop
€499Air France
Find Deal
Thu, 5 Mar - Mon, 9 Mar
Air France Logo
15:40 - 16:35ORK-IAD
29h 55m1 stop
Air France Logo
19:59 - 15:00IAD-ORK
39h 01m2 stops
€504Air France
Find Deal
Thu, 5 Mar - Mon, 9 Mar
Multiple Airlines Logo
06:00 - 16:05ORK-IAD
15h 05m1 stop
Multiple Airlines Logo
19:59 - 14:45IAD-ORK
13h 46m2 stops
€525Multiple Airlines
Find Deal
Thu, 27 Nov - Thu, 4 Dec
American Airlines Logo
11:55 - 15:35ORK-IAD
32h 40m1 stop
American Airlines Logo
10:48 - 15:25IAD-ORK
24h 37m2 stops
€533American Airlines
Find Deal
Thu, 5 Mar - Mon, 9 Mar
American Airlines Logo
11:55 - 23:59ORK-IAD
17h 04m2 stops
American Airlines Logo
14:01 - 11:10IAD-ORK
17h 09m2 stops
€537American Airlines
Find Deal
Thu, 5 Mar - Mon, 9 Mar

Scandinavian Airlines flights from Ireland to Washington, D.C. Dulles Intl Airport

Our best Scandinavian Airlines deals on Ireland to Washington, D.C. Dulles Intl Airport flight tickets
Scandinavian Airlines
4 Mar
DUB12:30Dublin
33h 45m
1 stop
IAD17:15Washington, D.C. Dulles Intl
11 Mar
IAD21:30Washington, D.C. Dulles Intl
16h 50m
1 stop
DUB18:20Dublin
€368
Find similar
Scandinavian Airlines
4 Mar
DUB12:30Dublin
33h 45m
1 stop
IAD17:15Washington, D.C. Dulles Intl
11 Mar
IAD21:30Washington, D.C. Dulles Intl
16h 50m
1 stop
DUB18:20Dublin
€369
Find similar
Scandinavian Airlines
11 Feb
DUB19:05Dublin
27h 10m
1 stop
IAD17:15Washington, D.C. Dulles Intl
18 Feb
IAD20:30Washington, D.C. Dulles Intl
16h 50m
1 stop
DUB18:20Dublin
€379
Find similar

Icelandair flights from Ireland to Washington, D.C. Dulles Intl Airport

Our best Icelandair deals on Ireland to Washington, D.C. Dulles Intl Airport flight tickets
Icelandair
3 Feb
DUB11:30Dublin
12h 00m
1 stop
IAD18:30Washington, D.C. Dulles Intl
6 Feb
IAD19:40Washington, D.C. Dulles Intl
9h 35m
1 stop
DUB10:15Dublin
€373
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
€384
Find similar
Icelandair
19 Feb
DUB11:30Dublin
12h 00m
1 stop
IAD18:30Washington, D.C. Dulles Intl
4 Mar
IAD19:40Washington, D.C. Dulles Intl
9h 35m
1 stop
DUB10:15Dublin
€392
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Ireland 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 16 November 2025.
Use the filters below to find and compare flights from Ireland 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

Wed 4/3

19:05-17:15

1 stop27h 10m

Washington, D.C. Dulles Intl

Wed 11/3

21:30-18:20

1 stop16h 50m

€368

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 4/3

12:30-17:15

1 stop33h 45m

Washington, D.C. Dulles Intl

Wed 11/3

21:30-18:20

1 stop16h 50m

€369

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 3/2

11:30-18:30

1 stop12h 00m

Washington, D.C. Dulles Intl

Fri 6/2

19:40-10:15

1 stop9h 35m

€373

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

€382

CorkWashington, D.C.

ORK - IAD

ORKIAD

Cork

Thu 27/11

11:15-16:05

1 stop33h 50m

Washington, D.C. Dulles Intl

Thu 4/12

18:50-14:45

1 stop14h 55m

€495

CorkWashington, D.C.

ORK - IAD

ORKIAD

Cork

Thu 5/3

15:40-16:35

1 stop29h 55m

Washington, D.C. Dulles Intl

Mon 9/3

22:45-15:00

1 stop12h 15m

€499

CorkWashington, D.C.

ORK - IAD

ORKIAD

Cork

Thu 5/3

15:40-16:35

1 stop29h 55m

Washington, D.C. Dulles Intl

Mon 9/3

19:59-15:00

2 stops39h 01m

€504

CorkWashington, D.C.

ORK - IAD

ORKIAD

Cork

Thu 27/11

06:00-16:05

1 stop15h 05m

Washington, D.C. Dulles Intl

Thu 4/12

19:59-14:45

2 stops13h 46m

€525

CorkWashington, D.C.

ORK - IAD

ORKIAD

Cork

Thu 5/3

11:55-15:35

1 stop32h 40m

Washington, D.C. Dulles Intl

Mon 9/3

10:48-15:25

2 stops24h 37m

€533

CorkWashington, D.C.

ORK - IAD

ORKIAD

Cork

Thu 5/3

11:55-23:59

2 stops17h 04m

Washington, D.C. Dulles Intl

Mon 9/3

14:01-11:10

2 stops17h 09m

€537

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Ireland 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 January is, on average, the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Ireland, with most prices found around €401. If you aren’t able to travel during the month of January, then book flights to Washington, D.C. Dulles Intl Airport from Ireland during November instead. Flights to Washington, D.C. Dulles Intl Airport in November, while not as cheap as those in January, still average around €436.

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 Ireland. The lowest ticket price found for a Thursday departure recently was €623. 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 €808.

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 Ireland to Washington, D.C. Dulles Intl Airport in the afternoon for as low as €527. 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 €698. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from Dublin to Washington, D.C. Dulles Intl for the best Ireland - 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 Ireland 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 €514 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 Ireland for as low as €449 on momondo.

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

There are 2 cabin classes available to choose from on Ireland 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 Ireland to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 35% on your flight if you consider stops on a Ireland to Washington, D.C. Dulles Intl Airport flight.

Cheap Ireland to Washington, D.C. Dulles Intl Airport flight deals and tips

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

Best price found

€825

Fastest flight time

7h 55m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Ireland in the past 72 hours is €825. The best return flight deal from Ireland to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is €524.
The fastest flight from Ireland to Washington, D.C. Dulles Intl Airport takes 7h 55m
Direct flights go from Ireland to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

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

    Prices for flights from Ireland to Washington, D.C. Dulles Intl Airport are updated daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Washington, D.C. Dulles Intl Airport.

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

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport 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 licence 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. Dulles Intl Airport?

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

Compare and see reviews for airlines that fly from Ireland to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom €297Free CancellationRating
7.1
578 reviews
Search Icelandair flights
Aer LingusPriceFrom €331Free CancellationRating
7.2
1,370 reviews
Search Aer Lingus flights
United AirlinesPriceFrom €407Free CancellationRating
7.4
9,011 reviews
Search United Airlines flights

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 Ireland to Washington, D.C.?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ireland to Washington, D.C.. momondo saves you time and could save you money on your trip.

Can I find flights from Ireland to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ireland to Washington, D.C. flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Ireland and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Washington, D.C. from Ireland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Washington, D.C. Dulles Intl Airport 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 16/12
Tue 23/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.