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. 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 Washington, D.C. to Northern Ireland?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Washington, D.C. to Northern Ireland is likely to change within 7 days, so travellers 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 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 from Washington, D.C. to Northern Ireland with an airline and back 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 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 from Washington, D.C. to 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>

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

In the past 3 days, the cheapest return tickets from Washington, D.C. to Northern Ireland were found on American Airlines (£497) and British Airways (£508).

How long does a flight from Washington, D.C. to Northern Ireland take?

The duration of a flight to Northern Ireland depends on your arrival airport. The shortest route to Northern Ireland from Washington, D.C. is to Belfast , which takes 11h 50m .

£240 CHEAP FLIGHTS from Washington, D.C. to Northern Ireland

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Flights Deals

Best Northern Ireland Flight Deals from Washington, D.C.

Cheapest return prices found by our users on KAYAK in the last 72 hours

One-wayReturn

Belfast1 stop£497

Cheap Flight Deals from Washington, D.C. to Northern Ireland (WAS-GBNIR)

Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Washington, D.C. 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.

Round-trip

One-way

Last minute

Recent return flight deals from Washington, D.C. to Northern Ireland

Recommended return flight deals departing in the coming months from the most popular airlines that fly from Washington, D.C. to Northern Ireland.

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

19:25 - 15:05IAD-BHD

14h 40m1 stop

09:10 - 15:35BHD-IAD

11h 25m1 stop

£497American Airlines

Find Deal

Sat, 6 Sep - Sat, 20 Dec

14:09 - 15:05IAD-BHD

19h 56m2 stops

18:00 - 15:58BHD-IAD

26h 58m2 stops

£508British Airways

Find Deal

Sat, 6 Sep - Sat, 20 Dec

09:40 - 16:40DCA-BFS

26h 00m3 stops

08:20 - 21:53BFS-DCA

18h 33m3 stops

£569

Find Deal

Tue, 10 Jun - Tue, 17 Jun

09:40 - 16:40DCA-BFS

26h 00m3 stops

08:20 - 19:43BFS-DCA

16h 23m2 stops

£580

Find Deal

Tue, 10 Jun - Tue, 17 Jun

19:40 - 21:15BWI-BHD

20h 35m2 stops

06:30 - 08:04BHD-BWI

30h 34m2 stops

£612Delta

Find Deal

Sat, 5 Jul - Sun, 24 Aug

20:25 - 14:35IAD-BHD

13h 10m2 stops

07:00 - 18:55BHD-IAD

16h 55m2 stops

£746Aer Lingus

Find Deal

Sun, 8 Jun - Sun, 15 Jun

22:40 - 17:45IAD-BHD

14h 05m1 stop

06:50 - 18:55BHD-IAD

17h 05m2 stops

£793Aer Lingus

Find Deal

Sun, 8 Jun - Sun, 15 Jun

17:24 - 16:55IAD-BHD

18h 31m2 stops

06:30 - 16:44BHD-IAD

15h 14m2 stops

£815Delta

Find Deal

Wed, 28 May - Wed, 4 Jun

17:25 - 16:55IAD-BHD

18h 30m1 stop

08:30 - 15:35BHD-IAD

12h 05m1 stop

£904KLM

Find Deal

Thu, 19 Jun - Tue, 24 Jun

17:25 - 16:55IAD-BHD

18h 30m1 stop

06:30 - 15:35BHD-IAD

14h 05m1 stop

£1,053KLM

Find Deal

Fri, 13 Jun - Fri, 4 Jul

Useful Info

KAYAK's insights & trends for Washington, D.C. to Northern Ireland flights

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

Prices

Airlines

The cheapest month for flights from Washington, D.C. to Northern Ireland is January, when tickets cost £456 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of return tickets is £832 and £758 respectively.

Find deals

Low season	January
High season	July

Best time to beat the crowds (19% less expensive on average)

Most popular time to fly (35% more expensive on average)

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 from Washington, D.C. 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, 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 from Washington, D.C. 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, 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 from Washington, D.C. 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 Washington, D.C. to Northern Ireland

Cabin class

Complete your trip

Flights to other cities

Origins

Popular routes

Return flight deals

Cabin class types available on flights to Northern Ireland

First Class flights from Washington, D.C. to Northern Ireland

Business Class flights from Washington, D.C. to Northern Ireland

Prem Econ Class flights from Washington, D.C. to Northern Ireland

Economy class flights from Washington, D.C. to Northern Ireland

£240 Find Cheap Flights from Washington, D.C. to Northern Ireland

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

Best Northern Ireland Flight Deals from Washington, D.C.

Cheap Flight Deals from Washington, D.C. to Northern Ireland (WAS-GBNIR)

Recent return flight deals from Washington, D.C. to Northern Ireland

Recent one-way flight deals from Washington, D.C. to Northern Ireland

Recent last minute flight deals from Washington, D.C. to Northern Ireland

KAYAK's insights & trends for Washington, D.C. to Northern Ireland flights

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

What is the cheapest month to fly from Washington, D.C. to Northern Ireland?

The cheapest month for flights from Washington, D.C. to Northern Ireland is January, when tickets cost £456 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of return tickets is £832 and £758 respectively.

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

In the past 3 days, the cheapest return tickets from Washington, D.C. to Northern Ireland were found on American Airlines (£497) and British Airways (£508).

How long does a flight from Washington, D.C. to Northern Ireland take?

The duration of a flight to Northern Ireland depends on your arrival airport. The shortest route to Northern Ireland from Washington, D.C. is to Belfast, which takes 11h 50m.

Good to know - Cheap tickets from Washington, D.C. to Northern Ireland

Low season

High season

FAQs - booking Northern Ireland flights

How does KAYAK find such low prices 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?

What is the Hacker Fare option on flights from Washington, D.C. to Northern Ireland?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Northern Ireland?

Everything you need to know for your flight from Washington, D.C. to Northern Ireland

Cabin class types available on flights to Northern Ireland

Cabin classes available on flights to Northern Ireland. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Complete your trip to Northern Ireland with a hotel stay or car hire

Flights to other popular destinations

The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.

Flights from other airports in Washington, D.C. to Northern Ireland

Flights from all airports in Washington, D.C. to Northern Ireland. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.

Flights to popular cities in Northern Ireland

Find deals for your return flight