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Cheap flights from Belfast to District of Columbia from £458

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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — IAD
11 Jul — 18 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to District of Columbia

Enter your travel dates to find the best prices.

Cheapest flights from Belfast to District of Columbia
Explore the most affordable flight options available from Belfast to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 June 2026.

Tue 27/1008:45
BHD
-
IAD
1 stop11h 50m
British Airways
Fri 30/1022:45
IAD
-
BHD
1 stop11h 30m
British Airways
Deal found 9/6£564
Wed 2/910:05
BHD
-
IAD
1 stop14h 35m
British Airways
Sun 6/913:23
IAD
-
BHD
2 stops23h 17m
British Airways
Deal found 5/6£595
Tue 23/606:30
BHD
-
DCA
2 stops15h 43m
American Airlines
Tue 11/813:59
DCA
-
BHD
2 stops15h 46m
American Airlines
Deal found 8/6£599
Tue 23/609:40
BHD
-
IAD
2 stops19h 33m
American Airlines
Tue 11/822:25
IAD
-
BHD
1 stop11h 55m
American Airlines
Deal found 8/6£599
Tue 23/620:25
BHD
-
IAD
1 stop26h 05m
British Airways
Tue 11/822:25
IAD
-
BHD
1 stop11h 55m
British Airways
Deal found 6/6£601
Tue 27/1011:25
BHD
-
DCA
2 stops15h 32m
British Airways
Sat 31/1014:55
DCA
-
BHD
2 stops16h 15m
British Airways
Deal found 8/6£623
Tue 27/1011:25
BHD
-
DCA
2 stops15h 32m
British Airways
Fri 30/1017:06
DCA
-
BHD
2 stops13h 24m
British Airways
Deal found 9/6£625
Tue 27/1010:10
BHD
-
IAD
2 stops14h 20m
British Airways
Sat 31/1022:45
IAD
-
BHD
1 stop16h 55m
British Airways
Deal found 8/6£636
Tue 27/1007:15
BFS
-
IAD
3 stops40h 50m
Multiple Airlines
Fri 30/1020:40
IAD
-
BFS
3 stops21h 20m
Multiple Airlines
Deal found 8/6£642
Tue 27/1018:35
BFS
-
IAD
3 stops29h 30m
Multiple Airlines
Sat 31/1020:40
IAD
-
BFS
3 stops19h 35m
Multiple Airlines
Deal found 8/6£703
Sat 13/617:30
BHD
-
DCA
2 stops35h 13m
Virgin Atlantic
Tue 16/612:55
DCA
-
BHD
2 stops15h 25m
Virgin Atlantic
Deal found 7/6£6,252

Find flight deals from Belfast to District of Columbia

Keep the following information in mind while searching for Belfast to District of Columbia flight deals. Data was last updated 11 June 2026.

Round-trip from

£564

One-way from

£458
British Airways
  • British Airways
  • 27/10-30/10
  • 2 total stops
  • 23h 20m total
  • Belfast to District of Columbia
Search Deals
1/8
  • 1/8
  • 2 total stops
  • 17h 15m total
  • Belfast to District of Columbia
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast to District of Columbia 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 11 June 2026.
Use the filters below to find and compare flights from Belfast to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 2/9

10:05-19:40

1 stop14h 35m

Washington, D.C. Dulles Intl

Sun 6/9

13:23-17:40

2 stops23h 17m

£595

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Tue 23/6

06:30-17:13

2 stops15h 43m

Washington, D.C. Reagan-National

Tue 11/8

13:59-10:45

2 stops15h 46m

£599

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 23/6

06:30-19:33

2 stops18h 03m

Washington, D.C. Dulles Intl

Tue 11/8

22:25-15:20

1 stop11h 55m

£601
Fastest return journey

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Tue 27/10

11:25-22:57

2 stops15h 32m

Washington, D.C. Reagan-National

Fri 30/10

17:06-10:30

2 stops13h 24m

£625

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 23/6

15:30-15:45

2 stops29h 15m

Washington, D.C. Dulles Intl

Tue 11/8

17:45-09:00

1 stop10h 15m

£625

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 27/10

10:10-20:30

2 stops14h 20m

Washington, D.C. Dulles Intl

Sat 31/10

22:45-19:40

1 stop16h 55m

£636

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 27/10

08:45-20:30

2 stops15h 45m

Washington, D.C. Dulles Intl

Fri 30/10

22:45-21:05

2 stops18h 20m

£647

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 23/6

17:30-15:35

1 stop27h 05m

Washington, D.C. Dulles Intl

Tue 11/8

17:40-16:55

1 stop18h 15m

£657

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Tue 27/10

06:00-20:05

3 stops42h 05m

Washington, D.C. Dulles Intl

Fri 30/10

20:40-16:45

2 stops16h 05m

£699

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Tue 27/10

18:35-20:05

3 stops29h 30m

Washington, D.C. Dulles Intl

Sat 31/10

20:40-20:15

3 stops19h 35m

£703

Flights are sorted by cheapest return flights first.

Deals found on 7/6

Showing 1-10 of 19 resultsSorted by cheapest first
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Best time to book a flight from Belfast to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia 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 District of Columbia
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 District of Columbia. 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 District of Columbia?

    Airlines like British Airways and American Airlines fly from Belfast to District of Columbia in about 14h 35m. The time it takes to get you to your destination can typically vary by up to 1h 08m. The distance between Belfast and District of Columbia is about 3390 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Belfast to District of Columbia?

    The most popular route from Belfast to District of Columbia is Belfast Intl - Washington, D.C. Dulles Intl. You may also consider Belfast City - Washington, D.C. Dulles Intl or Belfast City - Washington, D.C. Reagan-National.

  • Can I find deals for flights from Belfast to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Belfast to District of Columbia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belfast to District of Columbia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to District of Columbia.

  • Can I find deals for business class flights from Belfast to District of Columbia?

    Yes. Cheapflights offers flight deals from Belfast to District of Columbia 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

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How does Cheapflights help users find flights from Belfast to District of Columbia?

Cheapflights makes it easy to find Belfast to District of Columbia 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 District of Columbia?

Cheapflights helps you find that perfect flight to District of Columbia from Belfast by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Belfast to District of Columbia with no change fees?

Yes, we can. To see specific flights from Belfast to District of Columbia 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 District of Columbia become cheaper?

Yes, Cheapflights offers price alerts on Belfast to District of Columbia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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