£475 Find Cheap Flights from Washington Dulles Airport to Northern Ireland

This is the cheapest return flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Northern Ireland departing on 13/10. 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
1 adult, Economy

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

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Northern Ireland, 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 Washington, D.C. to Northern Ireland, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Dulles Intl to Northern Ireland

Cheapest return prices found by our users on KAYAK in the last 72 hours
Belfast
Belfast3 stops£475
Belfast
Belfast3 stops£475

Book Cheap Dulles Intl to Northern Ireland Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Dulles Intl to Northern Ireland that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Dulles Intl to Northern Ireland

Mon, 13 Oct - Mon, 20 Oct
 Logo
17:45 - 23:45IAD-BFS
25h 00m3 stops
 Logo
21:00 - 15:20BFS-IAD
47h 20m3 stops
Mon, 13 Oct - Mon, 20 Oct
 Logo
22:20 - 23:00IAD-BFS
19h 40m2 stops
 Logo
21:00 - 15:20BFS-IAD
47h 20m3 stops
Mon, 13 Oct - Mon, 20 Oct
 Logo
17:25 - 16:55IAD-BHD
18h 30m1 stop
 Logo
17:25 - 15:35BHD-IAD
27h 10m1 stop
Wed, 12 Nov - Sun, 16 Nov
Delta Logo
12:11 - 21:00IAD-BHD
27h 49m2 stops
Delta Logo
17:20 - 16:05BHD-IAD
27h 45m1 stop
£524Delta
Find Deal
Wed, 12 Nov - Sun, 16 Nov
Delta Logo
11:05 - 21:00IAD-BHD
28h 55m2 stops
Delta Logo
17:20 - 16:23BHD-IAD
28h 03m2 stops
£531Delta
Find Deal
Wed, 12 Nov - Sun, 16 Nov
British Airways Logo
18:20 - 09:10IAD-BHD
9h 50m1 stop
British Airways Logo
10:40 - 19:55BHD-IAD
14h 15m1 stop
£550British Airways
Find Deal
Sat, 11 Oct - Sat, 18 Oct
British Airways Logo
22:50 - 10:05IAD-BHD
30h 15m1 stop
British Airways Logo
16:15 - 20:20BHD-IAD
33h 05m1 stop
£598British Airways
Find Deal
Mon, 13 Oct - Mon, 20 Oct
Aer Lingus Logo
20:25 - 13:45IAD-BHD
12h 20m2 stops
Aer Lingus Logo
09:50 - 18:55BHD-IAD
14h 05m2 stops
£681Aer Lingus
Find Deal
Sun, 5 Oct - Sat, 11 Oct
KLM Logo
17:25 - 21:15IAD-BHD
22h 50m1 stop
KLM Logo
17:25 - 15:35BHD-IAD
27h 10m1 stop
£6,085KLM
Find Deal
Sun, 5 Oct - Sat, 11 Oct
KLM Logo
21:20 - 16:55IAD-BHD
14h 35m2 stops
KLM Logo
17:25 - 15:35BHD-IAD
27h 10m1 stop
£6,099KLM
Find Deal
Booking Insights

KAYAK's insights & trends for Dulles Intl to Northern Ireland flights

Get data-powered insights and trends into flights from Dulles Intl to Northern Ireland to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Washington, D.C. Dulles Intl Airport to Northern Ireland?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest return tickets from Washington, D.C. Dulles Intl Airport to Northern Ireland were found on Delta (£524) and British Airways (£550).

FAQs - booking Northern Ireland flights

  • How does KAYAK find such low prices on flights from Washington Dulles Airport 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 Dulles Airport to Northern Ireland.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Washington Dulles Airport to Northern Ireland 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 Washington Dulles Airport 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 from Washington Dulles Airport to Northern Ireland with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport 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 from Washington Dulles Airport to Northern Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Dulles Intl to Northern Ireland

Information on your arrival and departure airports

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