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. Visit our flight page for the latest deals!>/a>

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 travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

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 round-trip ticket. You could then fly to Washington Dulles Airport with an airline and back to Northern Ireland with another airline. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$811 CHEAP FLIGHTS from Northern Ireland to Washington Dulles (IAD)

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

...and more

Travelers love KAYAK

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

Save 22% 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.

Flights 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 round-trip 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.

Round-trip

One-way

Recent round-trip flight deals from Northern Ireland to Dulles Intl

KAYAK's recommended round-trip deals from the most popular airlines that fly from Northern Ireland to Dulles Intl.

Discover the best prices for you by selecting your travel dates on KAYAK.

9:50 am - 8:10 pmBHD-IAD

15h 20m1 stop

10:40 pm - 5:30 pmIAD-BHD

13h 50m1 stop

$821British Airways

Find Deal

Mon, Jun 30 - Mon, Jul 7

7:25 am - 3:20 pmBFS-IAD

36h 55m3 stops

9:45 am - 3:30 pmIAD-BFS

24h 45m3 stops

$918

Find Deal

Wed, May 14 - Sat, May 17

7:25 am - 3:20 pmBFS-IAD

36h 55m3 stops

6:30 pm - 3:30 pmIAD-BFS

16h 00m2 stops

$920

Find Deal

Wed, May 14 - Sat, May 17

5:20 pm - 3:20 pmBFS-IAD

27h 00m2 stops

6:30 pm - 3:30 pmIAD-BFS

16h 00m2 stops

$945

Find Deal

Wed, May 14 - Sat, May 17

5:05 pm - 9:25 pmBFS-IAD

33h 20m2 stops

8:22 am - 9:55 pmIAD-BFS

32h 33m2 stops

$969

Find Deal

Mon, Jun 30 - Mon, Jul 7

6:50 pm - 9:25 pmBHD-IAD

31h 35m2 stops

2:25 pm - 9:10 pmIAD-BHD

25h 45m2 stops

$1,001

Find Deal

Mon, Jun 30 - Mon, Jul 7

6:30 am - 7:15 pmBHD-IAD

17h 45m2 stops

5:25 pm - 4:55 pmIAD-BHD

18h 30m1 stop

$1,027KLM

Find Deal

Mon, Jun 30 - Mon, Jul 7

11:25 am - 3:35 pmBHD-IAD

33h 10m1 stop

5:25 pm - 4:55 pmIAD-BHD

18h 30m1 stop

$1,404

Find Deal

Sun, Jun 22 - Thu, Jun 26

11:00 am - 7:44 pmBHD-IAD

37h 44m2 stops

7:25 pm - 11:10 amIAD-BHD

10h 45m1 stop

$1,449American Airlines

Find Deal

Sun, Jun 22 - Thu, Jun 26

11:00 am - 5:11 pmBHD-IAD

35h 11m2 stops

8:14 pm - 3:30 pmIAD-BHD

14h 16m2 stops

$1,453American Airlines

Find Deal

Sun, Jun 22 - Thu, Jun 26

Useful Info

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 travelers 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 round-trip 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.

Clinton

Everything you need to know for your flight to Dulles Intl

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on your arrival and departure airports

Washington Dulles Airport (IAD)

$811 Find Cheap Flights from Northern Ireland to Washington Dulles Airport

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

Cheap Flights from Northern Ireland to Dulles Intl

Recent round-trip flight deals from Northern Ireland to Dulles Intl

Recent one-way flight deals from Northern Ireland to Dulles Intl

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 travelers 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 round-trip 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?

Traveling to a place near Dulles Intl?

Everything you need to know for your flight to Dulles Intl

Information on your arrival and departure airports

Cabin class types available on flights to Dulles Intl

Complete your trip to Dulles Intl with a hotel stay or car rental

Find direct flights for Dulles Intl

Flights to other popular destinations

Flights from domestic origins to Northern Ireland

Choose which airport to fly into in Washington, D.C.

Find deals for your return flight