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Find cheap flights from District of Columbia to Belfast from $403

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 9/28. 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
Fri 6/7
Fri 6/14

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Cheapest flight

$403
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

10/13Sun
1 stopBritish Airways
14h 05mIAD-BHD
10/19Sat
1 stopBritish Airways
29h 45mBHD-IAD
$595
9/16Mon
1 stopBritish Airways
11h 50mIAD-BHD
9/28Sat
1 stopBritish Airways
18h 40mBHD-IAD
$606
8/21Wed
2 stopsAmerican Airlines
21h 25mIAD-BHD
8/31Sat
1 stopAmerican Airlines
18h 40mBHD-IAD
$609
8/21Wed
2 stopsAmerican Airlines
21h 36mIAD-BHD
8/31Sat
2 stopsAmerican Airlines
32h 28mBHD-IAD
$618
10/13Sun
2 stopsDelta
16h 00mIAD-BHD
10/19Sat
1 stopDelta
27h 15mBHD-IAD
$673
10/13Sun
2 stopsDelta
16h 00mIAD-BHD
10/19Sat
1 stopDelta
27h 15mBHD-IAD
$693
8/11Sun
2 stopsKLM
16h 00mIAD-BHD
8/18Sun
2 stopsKLM
30h 33mBHD-IAD
$713
9/17Tue
2 stopsKLM
15h 35mDCA-BHD
9/26Thu
2 stopsKLM
27h 08mBHD-DCA
$718
9/17Tue
2 stops
15h 00mDCA-BHD
9/25Wed
2 stops
19h 59mBHD-DCA
$841
9/17Tue
2 stops
15h 55mIAD-BHD
9/26Thu
2 stops
18h 56mBHD-IAD
$847

Search by stops

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Recent one-way flight deals

9/28Sat
1 stopLufthansa
13h 05mIAD-BHD
$403
9/28Sat
2 stopsDelta
21h 35mIAD-BHD
$418
9/28Sat
2 stopsDelta
22h 20mDCA-BHD
$418
7/2Tue
2 stops
37h 20mIAD-BHD
$550
7/2Tue
1 stopDelta
18h 00mIAD-BHD
$747

Search by stops

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Flights to Belfast

Return flight deals:

Belfast - District of Columbia

Cabin classes: