What is the cheapest flight from Washington, D.C. to Belfast?

In the last 3 days, the lowest price for a flight from Washington, D.C. to Belfast was £461 for a one-way ticket and £630 for a return. Visit our flight page for the latest deals!>/a>

Which aircraft models fly most regularly from Washington, D.C. to Belfast?

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from Washington, D.C. to Belfast?

oneworld, and SkyTeam are the airline alliances operating flights between Washington, D.C. and Belfast, with SkyTeam being the most commonly used for this route.

How does KAYAK find such low prices on flights from Washington, D.C. to Belfast?

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 Belfast. 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 Belfast?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast from Washington, D.C. 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 Washington, D.C. to Belfast?

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 Belfast with an airline and back to Washington, D.C. 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 Belfast?

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 Belfast from Washington, D.C. 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 Belfast?

In the past 3 days, the cheapest return tickets from Washington, D.C. to Belfast were found on American Airlines (£464) and British Airways (£473).

£339 CHEAP FLIGHTS from Washington, D.C. to Belfast (WAS - BF1)

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Flights Deals

Cheap Flights from Washington, D.C. to Belfast (WAS-BHD)

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

Round-trip

One-way

Last minute

Recent return flight deals from Washington, D.C. to Belfast

Sat, 6 Sep - Sat, 20 Dec

19:25 - 15:05IAD-BHD

14h 40m1 stop

09:10 - 15:35BHD-IAD

11h 25m1 stop

£464American Airlines

Find Deal

Fri, 3 Oct - Mon, 6 Oct

21:20 - 15:30BWI-BHD

13h 10m1 stop

12:15 - 19:35BHD-BWI

12h 20m1 stop

£464American Airlines

Find Deal

Fri, 5 Sep - Mon, 8 Sep

17:50 - 08:50IAD-BHD

10h 00m1 stop

19:30 - 15:00BHD-IAD

24h 30m2 stops

£473British Airways

Find Deal

Wed, 8 Oct - Sun, 12 Oct

19:25 - 11:55IAD-BHD

11h 30m1 stop

20:05 - 15:00BHD-IAD

23h 55m2 stops

£474British Airways

Find Deal

Wed, 8 Oct - Sun, 12 Oct

18:50 - 23:10BWI-BFS

23h 20m2 stops

07:00 - 17:40BFS-BWI

15h 40m2 stops

£514

Find Deal

Fri, 5 Sep - Mon, 8 Sep

20:23 - 16:55IAD-BHD

15h 32m2 stops

06:30 - 19:43BHD-IAD

18h 13m2 stops

£531Delta

Find Deal

Fri, 5 Sep - Mon, 8 Sep

19:55 - 16:55DCA-BHD

16h 00m2 stops

06:30 - 17:05BHD-DCA

15h 35m2 stops

£531KLM

Find Deal

Fri, 1 Aug - Thu, 7 Aug

20:31 - 16:55IAD-BHD

15h 24m2 stops

06:30 - 15:35BHD-IAD

14h 05m1 stop

£555KLM

Find Deal

Fri, 1 Aug - Thu, 7 Aug

20:31 - 16:55IAD-BHD

15h 24m2 stops

06:30 - 16:43BHD-IAD

15h 13m2 stops

£562Delta

Find Deal

Fri, 5 Sep - Mon, 8 Sep

20:30 - 17:20BWI-BHD

15h 50m2 stops

14:30 - 23:27BHD-BWI

37h 57m2 stops

£584

Find Deal

Useful Info

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

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

Prices

Airlines

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

The cheapest month for flights from Washington, D.C. to Belfast is August, where tickets cost £442 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is £907 and £753 respectively.

Find deals

When to book flights from Washington, D.C. to Belfast

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Belfast based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What is the cheapest flight from Washington, D.C. to Belfast?
In the last 3 days, the lowest price for a flight from Washington, D.C. to Belfast was £461 for a one-way ticket and £630 for a return.
Which aircraft models fly most regularly from Washington, D.C. to Belfast?
We unfortunately don’t have that data for this specific route.
Which airline alliances offer flights from Washington, D.C. to Belfast?
oneworld, and SkyTeam are the airline alliances operating flights between Washington, D.C. and Belfast, with SkyTeam being the most commonly used for this route.
How does KAYAK find such low prices on flights from Washington, D.C. to Belfast?
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 Belfast.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Belfast?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast from Washington, D.C. 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 Washington, D.C. to Belfast?
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 Belfast with an airline and back to Washington, D.C. 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 Belfast?
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 Belfast from Washington, D.C. 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 Belfast

Cabin class

Complete your trip

Direct flights

Flights to other cities

Origins

Cabin class types available on flights from Washington, D.C. to Belfast

First Class flights from Washington, D.C. to Belfast

Business Class flights from Washington, D.C. to Belfast

Prem Econ Class flights from Washington, D.C. to Belfast

Economy class flights from Washington, D.C. to Belfast

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

£339 Find Cheap Flights from Washington, D.C. to Belfast

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

Cheap Flights from Washington, D.C. to Belfast (WAS-BHD)

Recent return flight deals from Washington, D.C. to Belfast

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

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

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

Get data-powered insights and trends into flights from Washington, D.C. to Belfast 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 Belfast?

The cheapest month for flights from Washington, D.C. to Belfast is August, where tickets cost £442 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is £907 and £753 respectively.

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

In the past 3 days, the cheapest return tickets from Washington, D.C. to Belfast were found on American Airlines (£464) and British Airways (£473).

When to book flights from Washington, D.C. to Belfast

FAQs for booking flights from Washington, D.C. to Belfast

What is the cheapest flight from Washington, D.C. to Belfast?

In the last 3 days, the lowest price for a flight from Washington, D.C. to Belfast was £461 for a one-way ticket and £630 for a return.

Which aircraft models fly most regularly from Washington, D.C. to Belfast?

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from Washington, D.C. to Belfast?

oneworld, and SkyTeam are the airline alliances operating flights between Washington, D.C. and Belfast, with SkyTeam being the most commonly used for this route.

How does KAYAK find such low prices on flights from Washington, D.C. to Belfast?

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 Belfast.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Belfast?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast from Washington, D.C. 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 Washington, D.C. to Belfast?

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 Belfast with an airline and back to Washington, D.C. 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 Belfast?

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 Belfast from Washington, D.C. 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 Belfast

Cabin class types available on flights from Washington, D.C. to Belfast

Complete your trip to Belfast with a hotel stay or car hire

Find direct flights to and from Washington, D.C. and Belfast

Flights to other popular destinations

Flights from domestic origins to Belfast