IAD

£329 Find Cheap Flights from Northern Ireland to Washington Dulles Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Dulles Intl departing on 13/3. 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, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C. Dulles Intl Airport

Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 25% 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.

Everything you should know

Cheapest return fare
£507
Multiple Airlines
Thu 12/3Thu 19/3
BFS - IAD • 2 stops
Cheapest one-way flight
£329
Multiple Airlines
Fri 13/3
BFS - IAD • 3 stops
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Dulles Intl!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from Northern Ireland to Dulles Intl

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Northern Ireland to Dulles Intl 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 Northern Ireland to Dulles Intl

Thu, 12 Mar - Thu, 19 Mar
Multiple Airlines Logo
14:25 - 17:40
BFS
-
IAD
31h 15m
2 stops
Multiple Airlines Logo
21:30 - 22:20
IAD
-
BFS
20h 50m
2 stops
£507Multiple Airlines
Thu, 5 Mar - Mon, 9 Mar
British Airways Logo
06:35 - 19:55
BHD
-
IAD
18h 20m
1 stop
British Airways Logo
22:45 - 14:15
IAD
-
BHD
11h 30m
1 stop
£531British Airways
Thu, 12 Mar - Thu, 19 Mar
Multiple Airlines Logo
14:25 - 17:40
BFS
-
IAD
31h 15m
2 stops
Multiple Airlines Logo
21:30 - 22:20
IAD
-
BFS
20h 50m
2 stops
£540Multiple Airlines
Thu, 12 Mar - Thu, 19 Mar
Multiple Airlines Logo
14:25 - 17:40
BFS
-
IAD
31h 15m
2 stops
Multiple Airlines Logo
21:30 - 22:20
IAD
-
BFS
20h 50m
2 stops
£544Multiple Airlines
Thu, 5 Mar - Mon, 9 Mar
British Airways Logo
10:35 - 19:30
BHD
-
IAD
13h 55m
2 stops
British Airways Logo
22:45 - 14:15
IAD
-
BHD
11h 30m
1 stop
£547British Airways
Thu, 5 Mar - Mon, 9 Mar
British Airways Logo
10:35 - 19:30
BHD
-
IAD
13h 55m
2 stops
British Airways Logo
19:20 - 12:15
IAD
-
BHD
12h 55m
2 stops
£566British Airways
Thu, 5 Mar - Mon, 9 Mar
British Airways Logo
10:35 - 19:30
BHD
-
IAD
13h 55m
2 stops
British Airways Logo
19:20 - 12:15
IAD
-
BHD
12h 55m
2 stops
£567British Airways
Thu, 12 Mar - Thu, 19 Mar
Multiple Airlines Logo
19:45 - 19:45
BFS
-
IAD
28h 00m
3 stops
Multiple Airlines Logo
18:30 - 20:25
IAD
-
BFS
21h 55m
2 stops
£571Multiple Airlines
Thu, 12 Mar - Thu, 19 Mar
Multiple Airlines Logo
21:25 - 19:45
BFS
-
IAD
26h 20m
3 stops
Multiple Airlines Logo
18:30 - 14:35
IAD
-
BFS
16h 05m
2 stops
£650Multiple Airlines
Thu, 12 Mar - Thu, 19 Mar
Multiple Airlines Logo
07:00 - 19:45
BFS
-
IAD
40h 45m
3 stops
Multiple Airlines Logo
18:30 - 22:20
IAD
-
BFS
23h 50m
3 stops
£666Multiple Airlines
Useful Info

Good to know - Cheap tickets from Northern Ireland to Washington Dulles Airport

Low seasonJanuary
Cheapest flight£329
Most popular time to fly (25% more expensive on average)
Flight from Belfast Intl Airport to Washington, D.C.

FAQs for booking Northern Ireland to Washington Dulles Airport flights

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

    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 Northern Ireland to Washington Dulles Airport.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from 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 Northern Ireland to Washington Dulles Airport?

    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 Washington Dulles Airport with an airline and back to Northern Ireland with another airline.

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

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

Travelling to a place near Dulles Intl?

Book flights to Dulles Intl if you plan to visit one of these locations
Alexandria
Winchester
Annapolis
Silver Spring
Gaithersburg
Tysons
Woodbridge
Fredericksburg
National Harbor
Falls Church
Hanover
Sterling
Chantilly
College Park
Reston
Fairfax
Westminster
Owings Mills
Rockville
Fort Belvoir

Everything you need to know for your flight to Dulles Intl

Information on your arrival and departure airports

Washington Dulles Airport (IAD)