Find flights
Deals
When to book
FAQs & Tips

Find cheap flights from Washington, D.C. to Northern Ireland from £304

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to Northern Ireland departing on 20/6. 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
Mon 17/6
Mon 24/6

Search hundreds of travel sites at once for deals on flights to Northern Ireland

In the last 7 days, travellers have searched 42,332,103 times on KAYAK, and here's why:

Save 28% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Best Northern Ireland Flight Deals

Cheapest return prices found by our users on KAYAK in the last 72 hours

Belfast
Belfast1 stop£450

Good to know - Cheap tickets from Washington, D.C. to Northern Ireland

Low season

January

High season

June
Best time to beat the crowds (16% less expensive on average)
Most popular time to fly (16% more expensive on average)

FAQs - booking Northern Ireland flights

  • How does KAYAK find such low prices on flights from Washington, D.C. to Northern Ireland?

    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 Washington, D.C. to Northern Ireland.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Northern Ireland from Washington, D.C. 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 Washington, D.C. to Northern Ireland?

    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 Northern Ireland with an airline and back to Washington, D.C. with another airline.

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

    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 Northern Ireland from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding a cheap flight from Washington, D.C. to Northern Ireland

  • Morning departure is around 6% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

Book cheap flights from Washington, D.C. to Northern Ireland

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

Recent return flight deals

8/10Tue
1 stopAmerican Airlines
13h 40mIAD-BHD
13/10Sun
1 stopAmerican Airlines
18h 45mBHD-IAD
£450
8/10Tue
1 stopBritish Airways
10h 30mBWI-BHD
13/10Sun
1 stopBritish Airways
11h 30mBHD-BWI
£450
21/10Mon
2 stopsDelta
16h 00mIAD-BHD
28/10Mon
2 stopsDelta
33h 23mBHD-IAD
£507
21/10Mon
2 stopsDelta
20h 15mBWI-BHD
28/10Mon
2 stopsDelta
28h 10mBHD-BWI
£507
8/10Tue
2 stopsLufthansa
35h 30mIAD-BHD
13/10Sun
2 stopsLufthansa
38h 10mBHD-IAD
£530
20/9Fri
2 stops
14h 15mIAD-BFS
28/9Sat
2 stops
26h 50mBFS-IAD
£588
21/10Mon
2 stops
20h 55mIAD-BFS
28/10Mon
3 stops
31h 25mBFS-IAD
£630
8/10Tue
2 stopsIberia
17h 35mDCA-BHD
13/10Sun
2 stopsIberia
21h 29mBHD-DCA
£742
13/7Sat
1 stopLufthansa
13h 05mIAD-BHD
19/7Fri
1 stopLufthansa
26h 55mBHD-IAD
£805
4/6Tue
1 stopIberia
15h 05mBWI-BHD
6/6Thu
1 stopIberia
18h 00mBHD-BWI
£1,861

Search by stops

Search by airline

Search by price

Recent one-way flight deals

20/6Thu
2 stops
55h 44mBWI-BFS
£304
23/6Sun
2 stops
35h 20mIAD-BFS
£317
20/6Thu
3 stops
53h 35mBWI-BFS
£357
2/7Tue
2 stopsLufthansa
35h 30mIAD-BHD
£372
23/6Sun
2 stopsBritish Airways
13h 55mBWI-BHD
£373
20/6Thu
2 stops
23h 25mIAD-BFS
£388
20/6Thu
3 stops
21h 50mIAD-BFS
£405
23/6Sun
1 stopBritish Airways
30h 35mBWI-BHD
£483
2/7Tue
1 stopDelta
18h 00mIAD-BHD
£723
20/6Thu
1 stopDelta
18h 25mIAD-BHD
£783

Search by stops

Search by airline

Search by price

Flights from Washington, D.C. to Northern Ireland

Return flight deals:

Northern Ireland - Washington, D.C.

Cabin classes: