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Cheap flights from Belfast Intl Airport to District of Columbia from £416

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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — IAD
13 Jul — 20 Jul1
1 adult

Cheap flight deals from Belfast Intl to District of Columbia

Keep the following information in mind while searching for Belfast Intl to District of Columbia flight deals. Data was last updated 8 July 2025.

Round-trip from

£605

One-way from

£416
19/8-26/8
  • 19/8-26/8
  • 5 total stops
  • 40h 17m total
  • Belfast to District of Columbia
5/8
  • 5/8
  • 3 total stops
  • 57h 21m total
  • Belfast to District of Columbia

Find flight deals from Belfast Intl to District of Columbia

Cheapest flights from Belfast Intl to District of Columbia
Explore the most affordable flight options available from Belfast Intl to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.

Tue 19/822:55BFS - IAD
3 stops27h 17mMultiple Airlines
Tue 26/823:15IAD - BFS
2 stops13h 00mMultiple Airlines
Deal found 6/7£605
Wed 30/708:40BFS - DCA
2 stops19h 55mMultiple Airlines
Wed 6/814:55DCA - BFS
2 stops27h 15mMultiple Airlines
Deal found 7/7£971

Cheapflights Fare Finder

Customise your flight search to find flights from Belfast Intl 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 8 July 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to District of Columbia that are best for you.

Fly from

Belfast Intl

Fly to

District of Columbia

Route

Depart

Return

Price

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Tue 19/8

22:55-21:12

3 stops27h 17m

Washington, D.C. Dulles Intl

Tue 26/8

23:15-17:15

2 stops13h 00m

£605

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Wed 30/7

08:40-23:35

2 stops19h 55m

Washington, D.C. Reagan-National

Wed 6/8

14:55-23:10

2 stops27h 15m

£971

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Tue 5/8

05:55-10:16

3 stops57h 21m

£416

Flights are sorted by cheapest return flights first.

Deals found on 6/7

Best time to book a flight from Belfast Intl to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Belfast Intl 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 Intl Airport 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 Intl 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.
  • Can I find deals for flights from Belfast Intl to District of Columbia that include hotel bookings?

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

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

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

    Yes. Cheapflights offers flight deals from Belfast Intl 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.

  • What is the cheapest month to book a flight from Belfast Intl Airport to District of Columbia?

    Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to District of Columbia (average of £599). Flying from Belfast Intl Airport to District of Columbia in July is currently the most expensive (average of £947). 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.

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