Find cheap flights from Washington, D.C. to Northern Ireland from £246
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 19/8. 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.
Return
1 adult
Economy
0 bags
Tue 4/6
Tue 11/6
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In the last 7 days, travellers have searched 43,369,418 times on KAYAK, and here's why:
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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 48% cheaper 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
11/10Fri
1 stopBritish Airways
14h 25mIAD-BHD
19/10Sat
1 stopBritish Airways
15h 50mBHD-IAD
£487
24/9Tue
2 stopsAmerican Airlines
14h 03mBWI-BHD
30/9Mon
1 stopAmerican Airlines
14h 50mBHD-BWI
£489
11/8Sun
2 stopsDelta
22h 35mIAD-BHD
18/8Sun
2 stopsDelta
33h 32mBHD-IAD
£567
11/8Sun
2 stopsKLM
17h 41mBWI-BHD
18/8Sun
2 stopsKLM
36h 39mBHD-BWI
£567
11/10Fri
2 stopsDelta
22h 35mIAD-BHD
19/10Sat
2 stopsDelta
34h 23mBHD-IAD
£630
27/5Mon
2 stops
23h 10mIAD-BFS
8/6Sat
2 stops
16h 40mBFS-IAD
£631
21/8Wed
2 stopsLufthansa
35h 30mIAD-BHD
2/9Mon
2 stopsLufthansa
32h 50mBHD-IAD
£637
27/5Mon
3 stops
30h 58mBWI-BFS
8/6Sat
2 stops
25h 15mBFS-BWI
£638
10/6Mon
1 stopLufthansa
15h 50mIAD-BHD
18/6Tue
1 stopLufthansa
26h 55mBHD-IAD
£775
3/7Wed
2 stopsKLM
14h 30mIAD-BHD
7/7Sun
2 stopsKLM
27h 50mBHD-IAD
£1,124
Search by stops
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Recent one-way flight deals
19/8Mon
2 stops
30h 00mIAD-BFS
£246
15/7Mon
2 stops
30h 50mBWI-BHD
£247
28/9Sat
1 stopLufthansa
13h 05mIAD-BHD
£321
28/9Sat
2 stopsDelta
20h 50mIAD-BHD
£333
28/9Sat
2 stopsDelta
22h 51mDCA-BHD
£333
14/7Sun
1 stopLufthansa
15h 50mIAD-BHD
£346
15/7Mon
1 stopBritish Airways
13h 15mBWI-BHD
£375
14/7Sun
2 stopsAmerican Airlines
16h 00mDCA-BHD
£379
19/7Fri
1 stopAmerican Airlines
31h 50mBWI-BHD
£382
14/7Sun
1 stopBritish Airways
10h 40mBWI-BHD
£741
Search by stops
Search by airline
Search by price
Last minute flights from Washington, D.C. to Northern Ireland