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BFS - IAD

Find cheap flights from Belfast Intl Airport to Washington, D.C. from £272

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Belfast Intl to Dulles Intl departing on 5/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Wed 29/5
Wed 5/6

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Belfast to Washington, D.C., as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Belfast to Washington, D.C., as well as popular online travel agencies
In the last 7 days, travellers have searched 43,983,279 times on KAYAK, and here's why:

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Good to know - Cheap tickets from Belfast Intl Airport to Washington, D.C.

Cheapest flight

£272
Flight from Belfast Intl Airport to Washington, D.C.

When to book flights from Belfast Intl to Dulles Intl

Are your dates flexible? Find out the best times to travel from Belfast Intl to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Belfast Intl Airport to Washington, D.C. flights

  • What is the cheapest flight from Belfast Intl Airport to Washington, D.C. Dulles Intl Airport?

    In the last 3 days, the lowest price for a flight from Belfast Intl Airport to Washington, D.C. Dulles Intl Airport was £340 for a one-way ticket.

  • Which aircraft models fly most regularly from Belfast Intl Airport to Washington, D.C.?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Belfast Intl Airport to Washington, D.C.?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Belfast Intl Airport to Washington, D.C..

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Belfast Intl Airport to Washington, D.C.?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Belfast Intl Airport is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Belfast Intl Airport to Washington, D.C.?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Washington, D.C. with an airline and back to Belfast Intl Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Belfast Intl Airport to Washington, D.C.?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from Belfast Intl Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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Book cheap flights from Belfast to Washington, D.C.

Cheapest flights to Washington, D.C. from Belfast found in 2024

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Belfast to Washington, D.C. found on KAYAK in the last 72 hours.
5/9Thu
2 stops
25h 40mBFS-IAD
£272
4/9Wed
2 stops
25h 00mBFS-IAD
£307
5/9Thu
3 stops
16h 30mBFS-IAD
£391
4/9Wed
3 stops
28h 55mBFS-IAD
£655

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Belfast Intl Airport - Washington, D.C. Flights

Departure:

Belfast Intl Airport (BFS)United Kingdom

Destination:

Washington, D.C. (IAD)United States

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