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Cheap flights from Belfast to Washington, D.C. from £704

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/6. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — WAS
4 Jun — 11 Jun1
1 adult
1 adult, Economy, 0 bags

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

Enter your travel dates to find the best prices.

Cheapest flights from Belfast to Washington, D.C.
Explore the most affordable flight options available from Belfast to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 May 2026.

Tue 23/609:40
BHD
-
BWI
1 stop15h 00m
American Airlines
Tue 11/811:59
BWI
-
BHD
2 stops17h 46m
American Airlines
Deal found 4/5£704
Wed 11/1106:35
BHD
-
DCA
2 stops16h 06m
British Airways
Sun 15/1122:15
DCA
-
BHD
2 stops31h 25m
British Airways
Deal found 4/5£707
Wed 11/1106:35
BHD
-
BWI
2 stops17h 55m
British Airways
Sun 15/1117:46
BWI
-
BHD
2 stops35h 54m
British Airways
Deal found 4/5£707
Thu 21/506:40
BFS
-
IAD
2 stops14h 05m
Multiple Airlines
Mon 25/517:15
IAD
-
BFS
2 stops13h 00m
Multiple Airlines
Deal found 5/5£714
Mon 24/820:15
BFS
-
IAD
3 stops47h 55m
Multiple Airlines
Sat 29/820:30
IAD
-
BFS
2 stops18h 45m
Multiple Airlines
Deal found 4/5£724
Tue 23/606:30
BHD
-
IAD
1 stop14h 20m
American Airlines
Tue 11/822:25
IAD
-
BHD
1 stop11h 55m
American Airlines
Deal found 5/5£729
Wed 11/1111:25
BHD
-
IAD
1 stop13h 30m
British Airways
Sun 15/1116:34
IAD
-
BHD
2 stops21h 06m
British Airways
Deal found 4/5£733
Tue 23/609:40
BHD
-
DCA
2 stops15h 30m
American Airlines
Tue 11/817:35
DCA
-
BHD
2 stops12h 10m
American Airlines
Deal found 2/5£735
Thu 1/1009:35
BHD
-
BWI
1 stop15h 05m
British Airways
Mon 5/1021:30
BWI
-
BHD
1 stop13h 00m
British Airways
Deal found 1/5£736
Thu 12/1106:35
BHD
-
DCA
2 stops15h 16m
British Airways
Sun 15/1122:15
DCA
-
BHD
2 stops31h 25m
British Airways
Deal found 30/4£738
Thu 1/1006:30
BHD
-
DCA
2 stops16h 57m
British Airways
Mon 5/1017:30
DCA
-
BHD
2 stops14h 25m
British Airways
Deal found 2/5£758
Thu 18/620:05
BFS
-
DCA
2 stops24h 33m
Multiple Airlines
Thu 25/606:59
DCA
-
BFS
3 stops30h 56m
Multiple Airlines
Deal found 4/5£763

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

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) 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 5 May 2026.

Round-trip from

£704
American Airlines
  • American Airlines
  • 23/6-11/8
  • 3 total stops
  • 32h 46m total
  • Belfast to Washington, D.C.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast 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 5 May 2026.
Use the filters below to find and compare flights from Belfast to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Tue 23/6

13:45-19:40

1 stop10h 55m

Baltimore/Washington

Tue 11/8

19:24-19:40

2 stops19h 16m

£704

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Thu 21/5

06:40-15:45

2 stops14h 05m

Washington, D.C. Dulles Intl

Mon 25/5

17:15-11:15

2 stops13h 00m

£714

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Mon 24/8

20:15-15:10

3 stops47h 55m

Washington, D.C. Dulles Intl

Sat 29/8

20:30-20:15

2 stops18h 45m

£724

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 23/6

06:30-15:50

1 stop14h 20m

Washington, D.C. Dulles Intl

Tue 11/8

10:27-10:45

2 stops19h 18m

£729

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 21/5

07:00-15:45

2 stops13h 45m

Washington, D.C. Dulles Intl

Mon 25/5

17:15-16:30

2 stops18h 15m

£733

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Tue 23/6

09:40-20:10

2 stops15h 30m

Washington, D.C. Reagan-National

Tue 11/8

17:35-10:45

2 stops12h 10m

£735

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Thu 1/10

09:35-19:40

1 stop15h 05m

Baltimore/Washington

Mon 5/10

21:30-15:30

1 stop13h 00m

£736

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 1/10

06:30-18:27

2 stops16h 57m

Washington, D.C. Reagan-National

Mon 5/10

17:30-12:55

2 stops14h 25m

£758

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Thu 18/6

20:05-15:38

2 stops24h 33m

Washington, D.C. Reagan-National

Thu 25/6

06:59-18:55

3 stops30h 56m

£763

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Tue 16/6

20:10-20:29

3 stops29h 19m

Washington, D.C. Dulles Intl

Tue 23/6

08:18-15:15

3 stops25h 57m

£807

Flights are sorted by cheapest return flights first.

Deals found on 3/5

Showing 1-10 of 26 resultsSorted by cheapest first
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Best time to book a flight from Belfast to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Belfast 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 Belfast to Washington, D.C.
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Belfast 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.

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

    Departing from Belfast to Washington, D.C. will take you 10h 55m. Airlines will cover a distance of 3348 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    When deciding which route to take from Belfast to Washington, D.C. consider Belfast Intl - Washington, D.C. Reagan-National, Belfast Intl - Baltimore/Washington or Belfast Intl - Washington, D.C. Dulles Intl as they are the most popular.

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast 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.

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 Belfast to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Belfast Intl to Dulles Intl flights
Belfast City to Reagan-National flights
Belfast City to Dulles Intl 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 Belfast to Washington, D.C.?

Cheapflights makes it easy to find Belfast to Washington, D.C. flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Washington, D.C. from Belfast.

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

Yes, we can. To see specific flights from Belfast to Washington, D.C. with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Not ready to book yet? You can track prices for flights from Belfast to Washington, D.C. on Cheapflights with our Price Alert feature and get notified when better prices are available.

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