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Find cheap flights from District of Columbia to Belfast from $585

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Belfast departing on 7/2. 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 6/5
Wed 6/12

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Cheapest flight

$585
Flight from Washington Dulles Airport to Belfast City Airport

FAQs for booking flights from District of Columbia to Belfast

  • How does KAYAK find such low prices on flights from District of Columbia to Belfast?

    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 District of Columbia to Belfast.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to Belfast?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast from District of Columbia is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from District of Columbia to Belfast?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Belfast with an airline and back to District of Columbia with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia to Belfast?

    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 Belfast from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from District of Columbia to Belfast?

Find which airlines fly direct from District of Columbia to Belfast, which days they fly and book direct flights.

Nonstop departures

District of Columbia to Belfast

Monday

Aer Lingus, Air France, American Airlines, +17 more

Aer Lingus, Air France, +18 more

Tuesday

Aer Lingus, Air France, American Airlines, +16 more

Aer Lingus, Air France, +17 more

Wednesday

Aer Lingus, Air France, American Airlines, +16 more

Aer Lingus, Air France, +17 more

Thursday

Aer Lingus, Air France, American Airlines, +17 more

Aer Lingus, Air France, +18 more

Friday

Aer Lingus, Air France, American Airlines, +17 more

Aer Lingus, Air France, +18 more

Saturday

Aer Lingus, Air France, American Airlines, +15 more

Aer Lingus, Air France, +16 more

Sunday

Aer Lingus, Air France, American Airlines, +17 more

Aer Lingus, Air France, +18 more

See more direct flights

Nonstop returns

Belfast to District of Columbia

Monday

Aer Lingus, Air France, American Airlines, +17 more

Aer Lingus, Air France, +18 more

Tuesday

Aer Lingus, Air France, American Airlines, +16 more

Aer Lingus, Air France, +17 more

Wednesday

Aer Lingus, Air France, American Airlines, +16 more

Aer Lingus, Air France, +17 more

Thursday

Aer Lingus, Air France, American Airlines, +17 more

Aer Lingus, Air France, +18 more

Friday

Aer Lingus, Air France, American Airlines, +17 more

Aer Lingus, Air France, +18 more

Saturday

Aer Lingus, Air France, American Airlines, +15 more

Aer Lingus, Air France, +16 more

Sunday

Aer Lingus, Air France, American Airlines, +17 more

Aer Lingus, Air France, +18 more

See more direct flights
See more direct flights

Book cheap flights from District of Columbia to Belfast

Recent round-trip flight deals

9/24Tue
1 stopBritish Airways
11h 35mIAD-BHD
9/30Mon
1 stopBritish Airways
14h 00mBHD-IAD
$611
9/24Tue
2 stopsAmerican Airlines
16h 49mIAD-BHD
9/30Mon
1 stopAmerican Airlines
11h 40mBHD-IAD
$614
9/24Tue
2 stopsAmerican Airlines
20h 15mIAD-BHD
9/30Mon
2 stopsAmerican Airlines
18h 09mBHD-IAD
$622
10/13Sun
2 stopsAmerican Airlines
14h 29mIAD-BHD
10/27Sun
2 stopsAmerican Airlines
19h 44mBHD-IAD
$624
10/13Sun
2 stopsDelta
22h 35mIAD-BHD
10/19Sat
1 stopDelta
27h 15mBHD-IAD
$672
8/11Sun
2 stopsDelta
23h 17mIAD-BHD
8/18Sun
2 stopsDelta
30h 33mBHD-IAD
$712
9/13Fri
2 stopsLufthansa
30h 05mIAD-BHD
9/20Fri
2 stopsLufthansa
32h 50mBHD-IAD
$740
9/24Tue
2 stops
19h 40mIAD-BFS
9/30Mon
3 stops
35h 47mBFS-IAD
$792
9/24Tue
2 stops
19h 40mIAD-BFS
9/30Mon
2 stops
15h 50mBFS-IAD
$800
8/19Mon
2 stopsLufthansa
16h 15mIAD-BHD
8/23Fri
1 stopLufthansa
29h 30mBHD-IAD
$892

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Recent one-way flight deals

7/2Tue
2 stops
37h 05mIAD-BHD
$585
7/2Tue
1 stopDelta
18h 00mIAD-BHD
$737

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Flights to Belfast

Return flight deals:

Belfast - District of Columbia

Cabin classes: