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Cheap flights from Ireland to Washington, D.C. from £307

DUB — WAS
13 Nov — 20 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Washington, D.C.

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Washington, D.C.

Sat 26/1212:20 -
Nonstop8h 25m
Mon 11/117:15 -
Nonstop6h 50m
Deal found 13/10£431
Sat 26/1212:20 -
Nonstop8h 25m
Sun 10/117:15 -
Nonstop6h 50m
Deal found 14/10£432
Tue 24/1111:30 -
2 stops34h 45m
Thu 3/1220:30 -
2 stops57h 05m
Deal found 13/10£436
Sun 1/1108:55 -
1 stop11h 45m
Sun 8/1122:00 -
1 stop11h 25m
Deal found 14/10£440
Wed 18/1108:50 -
1 stop12h 05m
Wed 25/1115:00 -
1 stop11h 45m
Deal found 14/10£442
Wed 25/1109:00 -
1 stop13h 05m
Wed 2/1218:55 -
1 stop12h 20m
Deal found 13/10£443
Mon 9/1120:40 -
1 stop24h 00m
Mon 16/1118:05 -
1 stop10h 50m
Deal found 13/10£443
Thu 5/1108:50 -
2 stops14h 03m
Mon 9/1113:20 -
2 stops14h 40m
Deal found 14/10£443
Mon 9/1108:50 -
2 stops14h 01m
Wed 18/1113:49 -
2 stops14h 11m
Deal found 14/10£443
Sun 1/1105:45 -
1 stop14h 55m
Mon 9/1112:35 -
2 stops14h 30m
Deal found 14/10£443
Thu 5/1113:25 -
2 stops14h 30m
Wed 11/1112:26 -
2 stops14h 19m
Deal found 14/10£446
Thu 5/1105:45 -
2 stops16h 06m
Mon 9/1113:49 -
2 stops14h 11m
Deal found 14/10£446

Find flight deals from Ireland to Washington, D.C.

Round-trip from

£372

One-way from

£307

Popular in

March

Cheapest in

February

Average price

£464

Good round-trip deal

£555 or less

Good one-way deal

£406 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 5/4-30/4
  • 2 total stops
  • 50h 20m total
  • Ireland to Washington, D.C.
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Delta
  • Delta
  • 1/12-31/12
  • 2 total stops
  • 14h 08m total
  • Ireland to Washington, D.C.
Search Deals
High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Price to beat on a round-trip flight from Ireland to Washington, D.C. (WAS).
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Price to beat on a one-way flight from Ireland to Washington, D.C. (WAS).
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Cheapflights Fare Finder

 
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

Cheapest return flight

DublinBaltimore

DUB Dublin - BWI Baltimore/Washington

DUBBWI

Dublin

Tue 1/12

08:50-17:58

2 stops14h 08m

Baltimore/Washington

Wed 31/12

00:00-06:00

Nonstop0h 00m

£307

DublinBaltimore

DUB Dublin - BWI Baltimore/Washington

DUBBWI

Dublin

Thu 10/12

05:45-16:57

2 stops16h 12m

Baltimore/Washington

Wed 31/12

00:00-06:00

Nonstop0h 00m

£312

DublinWashington, D.C.

DUB Dublin - IAD Washington, D.C. Dulles Intl

DUBIAD

Dublin

Sat 3/4

06:00-15:35

1 stop14h 35m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£336

DublinWashington, D.C.

DUB Dublin - IAD Washington, D.C. Dulles Intl

DUBIAD

Dublin

Fri 2/4

06:00-15:35

1 stop14h 35m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£336

DublinWashington, D.C.

DUB Dublin - DCA Washington, D.C. Reagan-National

DUBDCA

Dublin

Wed 6/1

13:25-23:04

2 stops14h 39m

Washington, D.C. Reagan-National

Wed 31/12

00:00-06:00

Nonstop0h 00m

£337

DublinBaltimore

DUB Dublin - BWI Baltimore/Washington

DUBBWI

Dublin

Wed 6/1

05:45-19:20

2 stops18h 35m

Baltimore/Washington

Wed 31/12

00:00-06:00

Nonstop0h 00m

£337

DublinWashington, D.C.

DUB Dublin - IAD Washington, D.C. Dulles Intl

DUBIAD

Dublin

Thu 1/4

06:00-17:30

2 stops16h 30m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£340

DublinWashington, D.C.

DUB Dublin - IAD Washington, D.C. Dulles Intl

DUBIAD

Dublin

Wed 31/3

05:55-17:30

2 stops16h 35m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£346

DublinWashington, D.C.

DUB Dublin - DCA Washington, D.C. Reagan-National

DUBDCA

Dublin

Thu 17/12

09:40-22:41

2 stops18h 01m

Washington, D.C. Reagan-National

Wed 31/12

00:00-06:00

Nonstop0h 00m

£350
Fastest return journey

DublinWashington, D.C.

DUB Dublin - IAD Washington, D.C. Dulles Intl

DUBIAD

Dublin

Fri 12/3

12:20-15:45

Nonstop8h 25m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£352

Flights are sorted by cheapest return flights first.

Deals found on 10/10

Showing 1-10 of 45 resultsSorted by cheapest first
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Best time to book a flight from Ireland to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Ireland with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Ireland to Washington, D.C.

What is the cheapest month to book a flight from Ireland to Washington, D.C.?

Currently, November is the cheapest month in which you can book a flight from Ireland to Washington, D.C. (average of £416). Flying from Ireland to Washington, D.C. in July is currently the most expensive (average of £591). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IE to WAS?

When flying from Ireland to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Ireland to Washington, D.C.

The most flights from IE0 to WAS are scheduled on a Monday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

How often are flights from Ireland to Washington, D.C. delayed?

About 13% of weekly flights between Ireland and Washington, D.C. have experienced delays in the past year, with the average delay time being 147 minutes.

What is the most punctual flight time for Ireland to Washington, D.C. flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Ireland to Washington, D.C. flights?

Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 13% of flights being delayed.

How far ahead should I book a flight from Ireland to Washington, D.C.?

To ensure you get the cheapest price possible for a flight from Ireland to Washington, D.C., you should look to book at least 71 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown with Aer Lingus and JetBlue from Ireland to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,830 reviews
Check prices

Boarding

7.5

Overall

7.3

Crew

8.1

Food

6.7

Entertainment

7.1

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
Aer Lingus
7.3
Good
1,830 reviews
Aer Lingus
7.3
Good
1,830 reviews
Check prices

Boarding

7.5

Overall

7.3

Crew

8.1

Food

6.7

Entertainment

7.1

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
JetBlue
7.1
Good
3,053 reviews
Aer Lingus
7.3
Good
1,830 reviews
Check prices

Boarding

7.5

Overall

7.3

Crew

8.1

Food

6.7

Entertainment

7.1

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.

Related info for your journey

  • How long is the flight from Ireland to Washington, D.C.?

    There are many flights that can get you from Ireland to Washington, D.C. in 11h 15m. Fly via Delta, British Airways, or Lufthansa to get the fastest option. Ireland and Washington, D.C. are separated by a distance of 3351 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Ireland to Washington, D.C.?

    While some choose either Dublin - Washington, D.C. Dulles Intl or Dublin - Washington, D.C. Reagan-National, Dublin - Baltimore/Washington is the most popular route from Ireland to Washington, D.C..

  • What are the most reliable airlines from Ireland to Washington, D.C.?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Ireland to Washington, D.C. on time: Qatar Airways (90%), American Airlines (84%), Aer Lingus (84%).

  • What are the cheapest flights from Ireland to Washington, D.C.?

    On average you can expect to pay £729 for a flight from Ireland to Washington, D.C.. The cheapest flight overall is £241 while the most popular route, (Dublin - Baltimore/Washington) is currently priced at £536.

  • Can I find deals for flights from Ireland to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Ireland to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Washington, D.C..

  • Can I find deals for business class flights from Ireland to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Ireland to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ireland to Washington, D.C.?

    Currently, November is the cheapest month in which you can book a flight from Ireland to Washington, D.C. (average of £416). Flying from Ireland to Washington, D.C. in July is currently the most expensive (average of £591). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Silver Spring
Alexandria
Gaithersburg
Oxon Hill
Hanover
Woodbridge
Glen Burnie
Springfield

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Ireland to Washington, D.C.

AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£370Average£471FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IcelandairCheapest£377Average£482FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£380Average£436FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£567Average£710FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ireland to Washington, D.C.?

Cheapflights helps you search for flights from Ireland to Washington, D.C. via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ireland to Washington, D.C.?

Cheapflights simply makes it quick and affordable to book flights from Ireland to Washington, D.C. by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ireland to Washington, D.C. with no change fees?

Certainly. Search results for flights to Washington, D.C. from Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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