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Cheap flights from Dublin to Washington, D.C. from £345

DUB — WAS
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Dublin to Washington, D.C. are usually found in February or January, booked 86 days in advance, depart on a Tuesday or Sunday and return on a Monday

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

Enter your travel dates to find the best prices.

Cheapest flights from Dublin to Washington, D.C.

Thu 5/1115:50 -
Nonstop8h 30m
Fri 6/1120:50 -
Nonstop6h 55m
Deal found 29/10£420
Tue 10/1115:50 -
Nonstop8h 30m
Thu 12/1117:15 -
Nonstop6h 50m
Deal found 30/10£422
Tue 10/1115:50 -
Nonstop8h 30m
Thu 12/1117:25 -
2 stops34h 55m
Deal found 30/10£444
Fri 20/1111:30 -
1 stop12h 00m
Mon 23/1119:40 -
1 stop9h 35m
Deal found 27/10£461
Thu 10/1211:30 -
1 stop12h 00m
Sun 13/1219:40 -
1 stop9h 35m
Deal found 28/10£468
Wed 2/1212:30 -
1 stop33h 45m
Sat 5/1220:30 -
1 stop34h 15m
Deal found 27/10£470
Thu 12/1111:30 -
1 stop12h 00m
Tue 17/1119:40 -
1 stop9h 35m
Deal found 28/10£471
Thu 12/1111:30 -
1 stop12h 00m
Mon 16/1119:40 -
1 stop9h 35m
Deal found 28/10£475
Thu 19/1111:30 -
1 stop12h 00m
Mon 23/1119:40 -
1 stop9h 35m
Deal found 27/10£476
Wed 2/1211:30 -
1 stop12h 00m
Sat 5/1219:40 -
1 stop9h 35m
Deal found 26/10£477
Wed 23/1219:05 -
1 stop27h 10m
Thu 31/1220:30 -
2 stops31h 50m
Deal found 26/10£483
Fri 13/1110:45 -
1 stop10h 52m
Tue 17/1112:31 -
1 stop14h 14m
Deal found 28/10£504

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

Round-trip from

£450

One-way from

£345

Popular in

March

Cheapest in

February

Average price

£460

Good round-trip deal

£555 or less

Good one-way deal

£409 or less
Icelandair
  • Icelandair
  • 18/2-11/3
  • 2 total stops
  • 21h 35m total
  • Dublin to Washington, D.C.
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24/2-31/12
  • 24/2-31/12
  • 1 total stop
  • 12h 17m total
  • Dublin to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£13 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£15 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 Dublin to Washington, D.C. (WAS).
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Price to beat on a one-way flight from Dublin to Washington, D.C. (WAS).
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Dublin to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinWashington, D.C.

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

DUBIAD

Dublin

Thu 24/12

05:45-15:45

1 stop15h 00m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£345

DublinWashington, D.C.

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

DUBIAD

Dublin

Tue 23/3

08:50-16:45

1 stop11h 55m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£346

DublinWashington, D.C.

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

DUBIAD

Dublin

Mon 11/1

08:50-15:55

1 stop12h 05m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£346

DublinWashington, D.C.

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

DUBIAD

Dublin

Sun 4/4

08:55-15:35

1 stop11h 40m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£348

DublinWashington, D.C.

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

DUBIAD

Dublin

Sun 4/4

06:00-15:35

1 stop14h 35m

Washington, D.C. Dulles Intl

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

Sat 10/4

08:55-15:35

1 stop11h 40m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£351

DublinWashington, D.C.

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

DUBDCA

Dublin

Thu 24/12

10:45-21:04

1 stop15h 19m

Washington, D.C. Reagan-National

Wed 31/12

00:00-06:00

Nonstop0h 00m

£356

DublinWashington, D.C.

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

DUBDCA

Dublin

Thu 17/12

09:55-19:38

1 stop14h 43m

Washington, D.C. Reagan-National

Wed 31/12

00:00-06:00

Nonstop0h 00m

£358

DublinWashington, D.C.

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

DUBDCA

Dublin

Mon 28/12

09:55-21:54

1 stop16h 59m

Washington, D.C. Reagan-National

Wed 31/12

00:00-06:00

Nonstop0h 00m

£377

DublinWashington, D.C.

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

DUBDCA

Dublin

Sun 14/3

10:45-22:15

2 stops15h 30m

Washington, D.C. Reagan-National

Wed 31/12

00:00-06:00

Nonstop0h 00m

£406

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 37 resultsSorted by cheapest first
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Best time to book a flight from Dublin to Washington, D.C.

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

Cheapflights Insights

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

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

Currently, November is the cheapest month in which you can book a flight from Dublin to Washington, D.C. (average of £396). Flying from Dublin to Washington, D.C. in July is currently the most expensive (average of £588). 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 DUB to WAS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dublin to Washington, D.C. as you normally would.

How much does it cost for a return flight from Dublin to Washington, D.C.?

Airfare is typical for this route at the moment.
Dublin to Washington, D.C. flights typically cost between £358 and £595 in November.
The cheapest return price found within the last 5 days was £422 on Aer Lingus (10 Nov–12 Nov).

What’s the top stopover airport for flights from Dublin to Washington, D.C.?

Boston (BOS) – chosen by Cheapflights users on 36% of one-stop itineraries from Dublin to Washington, D.C. on Cheapflights.

What’s the cheapest stopover airport for flights from Dublin to Washington, D.C.?

London (LHR) is the most affordable one-stop option, with an average return flight price of £387.

What’s the fastest stopover option from Dublin to Washington, D.C.?

Flights via Reykjavik (KEF) have the shortest average one-way travel time for one-stop routes: 10h 05m.

Which airport typically offers the quickest stopover for flights from Dublin to Washington, D.C.?

Flights via London (LHR) offer the fastest connection on this route, with an average stopover time of 1h 52m.

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

About 13% of weekly flights between Dublin 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 Dublin 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 Dublin 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 Dublin to Washington, D.C.?

To ensure you get the cheapest price possible for a flight from Dublin 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.

Get a feel of what it's like to fly with Aer Lingus,United Airlines, andJetBlue from Dublin to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,868 reviews
Check prices

Overall

7.3

Entertainment

7.1

Food

6.7

Comfort

7.2

Crew

8.1

Boarding

7.5

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
1,868 reviews
Aer Lingus
7.3
Good
1,868 reviews
Check prices

Overall

7.3

Entertainment

7.1

Food

6.7

Comfort

7.2

Crew

8.1

Boarding

7.5

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.
United Airlines
7.3
Good
10,454 reviews
Aer Lingus
7.3
Good
1,868 reviews
Check prices

Overall

7.3

Entertainment

7.1

Food

6.7

Comfort

7.2

Crew

8.1

Boarding

7.5

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
3,076 reviews
Aer Lingus
7.3
Good
1,868 reviews
Check prices

Overall

7.3

Entertainment

7.1

Food

6.7

Comfort

7.2

Crew

8.1

Boarding

7.5

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

  • What airport do you fly from for flights from Dublin to Washington, D.C.?

    Dublin (DUB) is the airport you will fly out of if you book a flight from Dublin to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Dublin; the airport handles an average of 3 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 4 airlines have flights from the Dublin airport to Washington, D.C.. It is only a 5.7 mi journey to Dublin (DUB) from Dublin’s city center.

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

    Airlines like Icelandair, Scandinavian Airlines, and Delta fly from Dublin to Washington, D.C. in about 12h. The time it takes to get you to your destination can typically vary by up to 16h 45m. There are 3393 mi between Dublin and Washington, D.C.. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Dublin to Washington, D.C. round-trip?

    Cheapflights users have booked flights from Dublin to Washington, D.C. round-trip from £367. Another airline that can offer you cheap pricing is United Airlines. You may be able to fly from Dublin to Washington, D.C. for 27% less than the average price by searching for these airlines.

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

    Most travelers choose Dublin - Washington, D.C. Reagan-National, Dublin - Washington, D.C. Dulles Intl or Dublin - Baltimore/Washington when deciding on the best route from Dublin to Washington, D.C..

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

    The top 3 most reliable airlines when flying from Dublin to Washington, D.C. are Qatar Airways (85%), Lufthansa (82%) and American Airlines (80%).

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

    Looking for the cheapest flight from Dublin to Washington, D.C.? While on average our users pay £527, our data indicates the cheapest price to be £239. The most popular route (Dublin - Washington, D.C. Reagan-National), is priced around £519.

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

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

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

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

    Yes. Cheapflights offers flight deals from Dublin 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 Dublin to Washington, D.C.?

    Currently, November is the cheapest month in which you can book a flight from Dublin to Washington, D.C. (average of £396). Flying from Dublin to Washington, D.C. in July is currently the most expensive (average of £588). 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

Alternative routes for Dublin to Washington, D.C.

Dublin to Dulles Intl flights

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

AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£367Average£467FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IcelandairCheapest£374Average£478FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£377Average£432FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£563Average£705FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Dublin to Washington, D.C.. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Dublin to Washington, D.C..

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Dublin to Washington, D.C. flexibly with Cheapflights today.

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