£461 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 16/3. 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
Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

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

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

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

Flight Deals
Booking Insights
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
Belfast1 stop£461
Belfast
Belfast1 stop£461

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, 16 Mar - Sun, 22 Mar
British Airways Logo
22:45 - 14:15IAD-BHD
11h 30m1 stop
British Airways Logo
09:10 - 16:35BHD-IAD
11h 25m1 stop
£461British Airways
Find Deal
Tue, 6 Jan - Wed, 14 Jan
British Airways Logo
18:20 - 10:30IAD-BHD
11h 10m1 stop
British Airways Logo
12:25 - 19:55BHD-IAD
12h 30m1 stop
£465British Airways
Find Deal
Mon, 13 Oct - Sun, 26 Oct
Delta Logo
17:25 - 21:15IAD-BHD
22h 50m1 stop
Delta Logo
06:30 - 17:05BHD-IAD
14h 35m1 stop
£477Delta
Find Deal
Mon, 13 Oct - Sun, 26 Oct
Delta Logo
19:35 - 21:15IAD-BHD
20h 40m2 stops
Delta Logo
06:30 - 17:05BHD-IAD
14h 35m1 stop
£480Delta
Find Deal
Tue, 28 Oct - Tue, 4 Nov
Multiple Airlines Logo
18:30 - 21:30IAD-BFS
23h 00m3 stops
Multiple Airlines Logo
07:05 - 21:00BFS-IAD
42h 55m3 stops
£493Multiple Airlines
Find Deal
Mon, 6 Oct - Mon, 20 Oct
KLM Logo
19:35 - 16:55IAD-BHD
16h 20m2 stops
KLM Logo
06:30 - 15:35BHD-IAD
14h 05m1 stop
£519KLM
Find Deal
Wed, 12 Nov - Sun, 16 Nov
Virgin Atlantic Logo
17:03 - 21:00IAD-BHD
22h 57m2 stops
Virgin Atlantic Logo
06:30 - 16:05BHD-IAD
14h 35m1 stop
£522Virgin Atlantic
Find Deal
Fri, 31 Oct - Fri, 7 Nov
Multiple Airlines Logo
22:00 - 22:00IAD-BFS
20h 00m2 stops
Multiple Airlines Logo
08:05 - 19:30BFS-IAD
16h 25m2 stops
£522Multiple Airlines
Find Deal
Wed, 12 Nov - Sun, 16 Nov
Virgin Atlantic Logo
12:11 - 21:00IAD-BHD
27h 49m2 stops
Virgin Atlantic Logo
17:20 - 23:03BHD-IAD
34h 43m2 stops
£529Virgin Atlantic
Find Deal
Tue, 25 Nov - Fri, 28 Nov
KLM Logo
18:05 - 21:00IAD-BHD
21h 55m1 stop
KLM Logo
06:30 - 16:05BHD-IAD
14h 35m1 stop
£721KLM
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 British Airways (£461) and Delta (£477).

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

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.