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Cheap flights from Dublin to Washington, D.C. from £347

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — WAS
30 May — 6 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Dublin to Washington, D.C. are usually found in September or February, booked 78 days in advance, depart on a Tuesday or Thursday and return on a Sunday

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.
Explore the most affordable flight options available from Dublin to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2026.

Tue 15/910:40
DUB
-
DCA
1 stop11h 44m
JetBlue
Tue 6/1015:50
DCA
-
DUB
1 stop11h 30m
JetBlue
Deal found 29/4£387
Mon 14/910:40
DUB
-
DCA
1 stop10h 37m
JetBlue
Mon 5/1011:00
DCA
-
DUB
1 stop16h 20m
JetBlue
Deal found 29/4£396
Thu 4/611:30
DUB
-
DCA
1 stop16h 29m
JetBlue
Wed 10/606:00
DCA
-
DUB
1 stop22h 00m
JetBlue
Deal found 29/4£406
Fri 18/911:30
DUB
-
DCA
1 stop16h 29m
JetBlue
Tue 6/1015:50
DCA
-
DUB
1 stop11h 30m
JetBlue
Deal found 29/4£409
Mon 9/1110:45
DUB
-
BWI
1 stop13h 00m
British Airways
Thu 10/1220:35
BWI
-
DUB
1 stop10h 50m
British Airways
Deal found 29/4£413
Mon 9/1113:00
DUB
-
IAD
1 stop11h 55m
British Airways
Thu 10/1221:45
IAD
-
DUB
1 stop11h 25m
British Airways
Deal found 29/4£413
Mon 14/910:40
DUB
-
DCA
1 stop10h 37m
JetBlue
Thu 8/1013:20
DCA
-
DUB
1 stop14h 00m
JetBlue
Deal found 29/4£426
Wed 3/610:40
DUB
-
DCA
1 stop10h 03m
JetBlue
Wed 10/606:00
DCA
-
DUB
1 stop22h 00m
JetBlue
Deal found 29/4£427
Thu 19/1110:30
DUB
-
BWI
1 stop13h 15m
British Airways
Sun 29/1120:35
BWI
-
DUB
1 stop13h 30m
British Airways
Deal found 25/4£430
Tue 3/1108:50
DUB
-
IAD
1 stop11h 45m
British Airways
Fri 13/1118:20
IAD
-
DUB
1 stop10h 40m
British Airways
Deal found 26/4£430
Mon 9/1112:15
DUB
-
IAD
Nonstop8h 20m
Aer Lingus
Thu 10/1221:00
IAD
-
DUB
Nonstop6h 50m
Aer Lingus
Deal found 29/4£436
Fri 18/911:30
DUB
-
DCA
1 stop16h 29m
JetBlue
Thu 8/1013:20
DCA
-
DUB
1 stop14h 00m
JetBlue
Deal found 29/4£439

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

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 April 2026.

Round-trip from

£406

One-way from

£347

Popular in

March

Cheapest in

September

Average price

£463

Good round-trip deal

£656 or less

Good one-way deal

£459 or less
JetBlue
  • JetBlue
  • 4/6-10/6
  • 2 total stops
  • 38h 29m total
  • Dublin to Washington, D.C.
Search Deals
JetBlue
  • JetBlue
  • 18/5
  • 1 total stop
  • 16h 29m total
  • Dublin to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£8 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Dublin to Washington, D.C. (WAS).
Search Deals
Price to beat on a one-way flight from Dublin to Washington, D.C. (WAS).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Dublin to Washington, D.C. 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, Cheapflights users made 858,174 searches. Data last updated 30 April 2026.
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 - DCA

DUBDCA

Dublin

Fri 18/9

11:30-22:59

1 stop16h 29m

Washington, D.C. Reagan-National

Tue 6/10

15:50-08:20

1 stop11h 30m

£409

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Fri 18/9

11:30-22:59

1 stop16h 29m

Washington, D.C. Reagan-National

Thu 8/10

13:20-08:20

1 stop14h 00m

£439

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Thu 28/5

13:45-19:40

1 stop10h 55m

Baltimore/Washington

Mon 1/6

21:30-19:35

1 stop17h 05m

£446

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 24/6

10:30-17:30

1 stop12h 00m

Washington, D.C. Dulles Intl

Mon 29/6

22:25-19:35

1 stop16h 10m

£448
Fastest return journey

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 20/10

14:15-19:20

1 stop10h 05m

Washington, D.C. Dulles Intl

Tue 10/11

19:40-10:15

1 stop9h 35m

£459

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 24/6

09:30-20:59

1 stop16h 29m

Washington, D.C. Reagan-National

Mon 29/6

20:07-11:50

1 stop10h 43m

£463

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Sat 6/6

11:10-22:03

2 stops15h 53m

Washington, D.C. Reagan-National

Sat 20/6

18:20-10:00

1 stop10h 40m

£467

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 6/6

05:55-18:53

2 stops17h 58m

Washington, D.C. Dulles Intl

Sat 20/6

17:20-10:00

1 stop11h 40m

£467

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 24/6

13:25-23:21

2 stops14h 56m

Washington, D.C. Reagan-National

Mon 29/6

16:00-08:45

1 stop11h 45m

£467

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Sat 23/5

11:10-22:03

2 stops15h 53m

Washington, D.C. Reagan-National

Sat 30/5

11:00-09:15

1 stop17h 15m

£467

Flights are sorted by cheapest return flights first.

Deals found on 25/4

Showing 1-10 of 58 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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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 63 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.

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

Currently, September is the cheapest month in which you can book a flight from Dublin to Washington, D.C. (average of £134). Flying from Dublin to Washington, D.C. in April is currently the most expensive (average of £350). 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?

Find hourly flight availability from Dublin to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 April 2026.

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.

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

Explore weekly flight availability from Dublin to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 30 April 2026.

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

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

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

Share of one-stop return flights from Dublin to Washington, D.C. chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Reykjavik (KEF) – chosen by Cheapflights users on 64% 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.?

Average return fare for one-stop flights from Dublin to Washington, D.C., chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Lisbon (LIS) is the most affordable one-stop option, with an average return flight price of £296.

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

Shortest average travel time for one-stop one-way flights from Dublin to Washington, D.C., based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Reykjavik (KEF) have the shortest average one-way travel time for one-stop routes: 10h 49m.

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

Average stopover duration for one-stop one-way flights from Dublin to Washington, D.C., chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via London (LHR) offer the fastest connection on this route, with an average stopover time of 1h 53m.

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

About 15% of weekly flights between Dublin and Washington, D.C. have experienced delays in the past year, with the average delay time being 152 minutes.

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

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the morning 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 Friday 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 14% of flights being delayed.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated 30 April 2026.
Get a feel of what it's like to fly with United Airlines,Aer Lingus, andIcelandair 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.
United Airlines
7.4
Good
9,677 reviews
Check prices

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,677 reviews
United Airlines
7.4
Good
9,677 reviews
Check prices

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Aer Lingus
7.3
Good
1,536 reviews
United Airlines
7.4
Good
9,677 reviews
Check prices

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Icelandair
7.0
Good
646 reviews
United Airlines
7.4
Good
9,677 reviews
Check prices

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

Find useful and relevant information for your journey from Dublin to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 12 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 5 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 JetBlue, British Airways, and Icelandair fly from Dublin to Washington, D.C. in about 10h 05m. The time it takes to get you to your destination can typically vary by up to 6h 24m. 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 £294. Other airlines that can offer you cheap pricing are United Airlines, from £333, and Aer Lingus, from £338. You may be able to fly from Dublin to Washington, D.C. for 37% 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 SWISS (89%), American Airlines (74%) and Aer Lingus (74%).

  • 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 £676, our data indicates the cheapest price to be £352. The most popular route (Dublin - Washington, D.C. Reagan-National), is priced around £406.

  • 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, September is the cheapest month in which you can book a flight from Dublin to Washington, D.C. (average of £134). Flying from Dublin to Washington, D.C. in April is currently the most expensive (average of £350). 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
Hanover
Oxon Hill
Gaithersburg
Woodbridge
Arlington
Alexandria

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dublin to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Dublin to Dulles Intl flights

Top 5 airlines flying from Dublin to Washington, D.C.

Discover the top 5 airlines that operate flights from Dublin to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 30 April 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£294Average£412FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£321Average£416FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£333Average£594FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£338Average£441FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IcelandairCheapest£370Average£471FlexibilityNo cancel feeOn-time76%
Search Icelandair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

Can Cheapflights notify me if prices for flights from Dublin to Washington, D.C. become cheaper?

Of course! You can now track prices for flights from Dublin to Washington, D.C. and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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