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 £207 for a one-way ticket and £519 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.

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>

£207 CHEAP FLIGHTS from Washington, D.C. to Belfast (WAS - BF1)

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

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

Cheapest return fare

£519

Multiple Airlines

Sun 26/4Tue 12/5

IAD - BFS • 2 stops

Cheapest one-way flight

£207

Multiple Airlines

Mon 27/4

IAD - BFS • 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 Belfast!

Flight Deals

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

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

Sun, 26 Apr - Tue, 12 May

20:30 - 21:30

IAD

BFS

20h 00m

2 stops

07:35 - 15:10

BFS

IAD

36h 35m

3 stops

£519Multiple Airlines

Tue, 28 Apr - Tue, 5 May

20:30 - 23:20

IAD

BFS

21h 50m

3 stops

07:35 - 15:10

BFS

IAD

36h 35m

3 stops

£538Multiple Airlines

Sun, 26 Apr - Tue, 12 May

20:30 - 21:30

BWI

BFS

20h 00m

2 stops

08:50 - 19:25

BFS

BWI

15h 35m

3 stops

£546Multiple Airlines

Mon, 27 Apr - Mon, 4 May

20:30 - 23:20

IAD

BFS

21h 50m

3 stops

21:25 - 20:35

BFS

IAD

28h 10m

3 stops

£565Multiple Airlines

Wed, 22 Apr - Tue, 28 Apr

19:05 - 12:00

IAD

BHD

11h 55m

1 stop

12:40 - 20:10

BHD

IAD

12h 30m

1 stop

£581British Airways

Wed, 22 Apr - Tue, 28 Apr

22:15 - 13:35

IAD

BHD

10h 20m

1 stop

12:40 - 20:10

BHD

IAD

12h 30m

1 stop

£582British Airways

Wed, 13 May - Tue, 19 May

19:15 - 12:00

IAD

BHD

11h 45m

1 stop

13:45 - 20:20

BHD

IAD

11h 35m

1 stop

£590British Airways

Tue, 12 May - Thu, 21 May

17:40 - 09:20

IAD

BHD

10h 40m

1 stop

09:50 - 15:35

BHD

IAD

10h 45m

1 stop

£605Delta

Thu, 2 Apr - Tue, 7 Apr

17:40 - 09:20

IAD

BHD

10h 40m

1 stop

09:50 - 15:35

BHD

IAD

10h 45m

1 stop

£606Delta

Thu, 2 Apr - Tue, 7 Apr

17:40 - 09:20

IAD

BHD

10h 40m

1 stop

09:50 - 15:35

BHD

IAD

10h 45m

1 stop

£606Delta

Booking Insights

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.

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 British Airways (£581) and Delta (£605).

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 £207 for a one-way ticket and £519 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.
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

Premium Economy Class flights from Washington, D.C. to Belfast

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

£207 Find Cheap Flights from Washington, D.C. to Belfast

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

Everything you should know

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.

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 British Airways (£581) and Delta (£605).

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 £207 for a one-way ticket and £519 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.

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