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Cheap flights from Belfast to District of Columbia from £305

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 17/3. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — IAD
28 Mar — 4 Apr1
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 26 February 2026.

Wed 18/306:35
BHD
-
DCA
2 stops17h 09m
British Airways
Sun 22/322:45
DCA
-
BHD
2 stops28h 55m
British Airways
Deal found 23/2£693
Sat 11/407:05
BHD
-
IAD
1 stop15h 20m
British Airways
Sat 18/417:40
IAD
-
BHD
1 stop13h 45m
British Airways
Deal found 25/2£700
Wed 18/306:35
BHD
-
IAD
1 stop18h 20m
British Airways
Sun 22/319:20
IAD
-
BHD
1 stop11h 00m
British Airways
Deal found 23/2£718
Sat 11/407:05
BHD
-
DCA
2 stops15h 12m
British Airways
Sat 18/413:44
DCA
-
BHD
2 stops15h 21m
British Airways
Deal found 25/2£739
Wed 4/306:55
BHD
-
IAD
2 stops13h 40m
British Airways
Sun 8/318:05
IAD
-
BHD
2 stops11h 45m
British Airways
Deal found 23/2£939
Thu 9/408:15
BFS
-
DCA
3 stops18h 38m
Multiple Airlines
Thu 16/406:59
DCA
-
BFS
3 stops35h 56m
Multiple Airlines
Deal found 23/2£1,098

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 26 February 2026.

Round-trip from

£693

One-way from

£305
British Airways
  • British Airways
  • 18/3-22/3
  • 4 total stops
  • 46h 04m total
  • Belfast to District of Columbia
Search Deals
17/3
  • 17/3
  • 3 total stops
  • 56h 00m 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 26 February 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

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Wed 18/3

06:35-19:44

2 stops17h 09m

Washington, D.C. Reagan-National

Sun 22/3

22:45-07:40

2 stops28h 55m

£693

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 18/3

06:35-20:55

1 stop18h 20m

Washington, D.C. Dulles Intl

Sun 22/3

19:20-10:20

1 stop11h 00m

£718

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Sat 11/4

07:05-17:17

2 stops15h 12m

Washington, D.C. Reagan-National

Sat 18/4

13:44-10:05

2 stops15h 21m

£739

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Sat 11/4

09:50-19:10

2 stops14h 20m

Washington, D.C. Dulles Intl

Sat 18/4

19:15-12:25

1 stop12h 10m

£886

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Thu 9/4

08:15-21:53

3 stops18h 38m

Washington, D.C. Reagan-National

Thu 16/4

06:59-23:55

3 stops35h 56m

£1,098

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Fri 27/3

05:45-16:15

3 stops38h 30m

£405

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Wed 1/4

17:40-17:00

3 stops52h 20m

£406

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 1/4

09:50-17:00

3 stops36h 10m

£435

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Fri 27/3

14:25-16:15

2 stops29h 50m

£581

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Fri 27/3

17:30-11:10

3 stops45h 40m

£728

Flights are sorted by cheapest return flights first.

Deals found on 24/2

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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 fly from Belfast to District of Columbia in about 17h 09m. The time it takes to get you to your destination can typically vary by up to . The distance between Belfast and District of Columbia is about 3378 mi.

  • 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. Reagan-National. You may also consider Belfast City - Washington, D.C. Reagan-National or Belfast Intl - Washington, D.C. Dulles Intl.

  • 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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