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Cheap flights from Belfast to District of Columbia from £271

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 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — IAD
6 Feb — 13 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 7 January 2026.

Round-trip from

£458

One-way from

£271
19/2-26/2
  • 19/2-26/2
  • 4 total stops
  • 34h 10m total
  • Belfast to District of Columbia
Search Deals
18/2
  • 18/2
  • 2 total stops
  • 39h 30m total
  • Belfast to District of Columbia
Search Deals

Find 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 7 January 2026.

Thu 19/206:30BFS - IAD
2 stops17h 00mMultiple Airlines
Thu 26/219:40IAD - BFS
2 stops17h 10mMultiple Airlines
Deal found 5/1£458
Thu 5/209:05BHD - IAD
1 stop11h 30mBritish Airways
Mon 9/221:45IAD - BHD
1 stop11h 30mBritish Airways
Deal found 4/1£532
Thu 5/309:05BHD - IAD
1 stop15h 50mBritish Airways
Mon 9/316:46IAD - BHD
2 stops17h 29mBritish Airways
Deal found 6/1£534
Thu 12/206:35BHD - DCA
2 stops17h 20mBritish Airways
Mon 16/213:44DCA - BHD
2 stops19h 31mBritish Airways
Deal found 5/1£537
Wed 11/211:25BHD - DCA
2 stops15h 34mBritish Airways
Sun 15/214:16DCA - BHD
2 stops18h 39mBritish Airways
Deal found 6/1£539
Mon 12/107:50BFS - IAD
3 stops35h 45mMultiple Airlines
Thu 15/118:05IAD - BFS
2 stops21h 35mMultiple Airlines
Deal found 5/1£652

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 7 January 2026.
Use the filters below to find and compare flights from Belfast to District of Columbia that are best for you.

Fly from

Belfast

Fly to

District of Columbia

Route

Depart

Return

Price

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Thu 19/2

06:30-18:30

2 stops17h 00m

Washington, D.C. Dulles Intl

Thu 26/2

19:40-17:50

2 stops17h 10m

£458

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 5/3

06:35-19:55

1 stop18h 20m

Washington, D.C. Dulles Intl

Mon 9/3

16:46-14:15

2 stops17h 29m

£532

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 5/2

09:05-15:35

1 stop11h 30m

Washington, D.C. Dulles Intl

Mon 9/2

13:08-14:15

2 stops20h 07m

£532

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Wed 11/2

06:35-23:59

2 stops22h 24m

Washington, D.C. Reagan-National

Sun 15/2

14:16-13:55

2 stops18h 39m

£537

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 12/2

06:35-23:50

2 stops22h 15m

Washington, D.C. Reagan-National

Mon 16/2

13:44-09:05

2 stops14h 21m

£537

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Wed 18/2

20:50-07:20

2 stops39h 30m

£271

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Thu 19/2

06:30-10:44

3 stops33h 14m

£283

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 19/2

07:25-10:44

3 stops32h 19m

£288

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Tue 17/2

13:55-21:00

3 stops36h 05m

£315

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Sat 14/2

08:50-21:00

3 stops41h 10m

£317

Flights are sorted by cheapest return flights first.

Deals found on 5/1

Showing 1-10 of 30 results
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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 fly from Belfast to District of Columbia in about 18h 20m. 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 3390 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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Fly with Cheapflights

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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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