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Find cheap flights from Belfast City Airport to Washington Dulles Airport from £331

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 City to Dulles Intl departing on 8/6. 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
Sun 2/6
Sun 9/6

Search hundreds of travel sites at once for deals on flights to Washington Dulles Airport

 
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 43,693,958 times on KAYAK, and here's why:

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Good to know - Cheap tickets from Belfast City Airport to Washington Dulles Airport

Cheapest flight

£331
Flight from Belfast City Airport to Washington Dulles Airport

When to book flights from Belfast City to Dulles Intl

Are your dates flexible? Find out the best times to travel from Belfast City 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 City Airport to Washington Dulles Airport flights

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

    In the last 3 days, the lowest price for a flight from Belfast City Airport to Washington, D.C. Dulles Intl Airport was £415 for a one-way ticket.

  • Which airports will I be using when flying from Belfast City Airport to Washington Dulles Airport?

    Belfast City Airport airport is called Belfast City and the only airport in Washington Dulles Airport is Washington, D.C. Dulles Intl.

  • Which aircraft models fly most regularly from Belfast City Airport to Washington Dulles Airport?

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

  • Which airline alliances offer flights from Belfast City Airport to Washington Dulles Airport?

    oneworld is the only airline alliance operating flights between Belfast City Airport and Washington Dulles Airport.

  • How does KAYAK find such low prices on flights from Belfast City Airport to Washington Dulles Airport?

    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 City Airport to Washington Dulles Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Belfast City Airport to Washington Dulles Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Belfast City 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 City Airport to Washington Dulles Airport?

    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 Dulles Airport with an airline and back to Belfast City Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Belfast City Airport to Washington Dulles Airport?

    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 Dulles Airport from Belfast City Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

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.
8/6Sat
2 stops
26h 10mBHD-IAD
£331
8/6Sat
3 stops
50h 10mBHD-IAD
£386
5/8Mon
3 stops
35h 50mBHD-IAD
£470
10/9Tue
2 stopsAer Lingus
17h 35mBHD-IAD
£553
8/9Sun
2 stopsAer Lingus
26h 40mBHD-IAD
£558
9/9Mon
2 stopsAer Lingus
26h 40mBHD-IAD
£561
6/8Tue
3 stops
36h 50mBHD-IAD
£586
5/8Mon
2 stops
27h 30mBHD-IAD
£611
5/8Mon
1 stopBritish Airways
18h 55mBHD-IAD
£1,549
6/8Tue
1 stopAmerican Airlines
11h 50mBHD-IAD
£1,561

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Belfast City Airport - Washington Dulles Airport Flights

Departure:

Belfast City Airport (BHD)United Kingdom

Destination:

Washington Dulles Airport (IAD)United States

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