How does KAYAK find such low prices on flights from District of Columbia 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 District of Columbia 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 District of Columbia to Belfast?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast from District of Columbia 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 District of Columbia to Belfast?

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 Belfast with an airline and back to District of Columbia 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 District of Columbia 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 District of Columbia 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>

$249 CHEAP FLIGHTS from District of Columbia to Belfast

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

...and more

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Cheapest round-trip

$593

Multiple Airlines

Wed 3/11Wed 3/18

IAD - BFS • 2 stops

Cheapest one-way

$249

Multiple Airlines

Tue 3/10

IAD - BFS • 3 stops

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We hope you love your trip to Belfast!

Flight Deals

Cheap Flights from District of Columbia to Belfast

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

Round-trip

One-way

Recent round-trip flight deals from District of Columbia to Belfast

Wed, Mar 11 - Wed, Mar 18

8:40 pm - 4:10 pm

IAD

BFS

15h 30m

2 stops

7:55 am - 7:30 pm

BFS

IAD

15h 35m

2 stops

$593Multiple Airlines

Wed, Mar 4 - Sun, Mar 8

6:20 pm - 9:10 am

IAD

BHD

9h 50m

1 stop

12:10 pm - 8:55 pm

BHD

IAD

12h 45m

1 stop

$647British Airways

Wed, Mar 4 - Sun, Mar 8

6:20 pm - 10:15 am

IAD

BHD

10h 55m

1 stop

8:25 pm - 8:55 pm

BHD

IAD

28h 30m

1 stop

$650British Airways

Thu, Mar 5 - Thu, Mar 12

9:45 pm - 6:50 pm

IAD

BHD

16h 05m

1 stop

10:40 am - 8:55 pm

BHD

IAD

14h 15m

1 stop

$653British Airways

Sat, May 9 - Sun, May 17

7:15 pm - 12:25 pm

IAD

BHD

12h 10m

1 stop

6:30 am - 5:25 pm

BHD

IAD

15h 55m

1 stop

$656British Airways

Thu, Apr 2 - Tue, Apr 7

5:40 pm - 10:10 am

IAD

BHD

11h 30m

1 stop

8:25 pm - 5:25 pm

BHD

IAD

26h 00m

1 stop

$660British Airways

Sat, May 9 - Thu, May 21

7:15 pm - 3:05 pm

IAD

BHD

14h 50m

1 stop

6:30 am - 3:50 pm

BHD

IAD

14h 20m

1 stop

$664British Airways

Thu, Apr 2 - Tue, Apr 7

7:15 pm - 8:35 pm

IAD

BHD

20h 20m

1 stop

8:25 pm - 5:25 pm

BHD

IAD

26h 00m

1 stop

$674British Airways

Thu, Apr 2 - Tue, Apr 7

7:15 pm - 7:25 pm

IAD

BHD

19h 10m

1 stop

7:30 pm - 5:25 pm

BHD

IAD

26h 55m

1 stop

$675British Airways

Wed, Mar 11 - Wed, Mar 18

8:40 pm - 10:50 pm

IAD

BFS

22h 10m

3 stops

7:00 am - 4:15 pm

BFS

IAD

37h 15m

3 stops

$710Multiple Airlines

Useful Info

Cheapest flight	$249

Flight from Washington Dulles Airport to Belfast Intl Airport

How does KAYAK find such low prices on flights from District of Columbia 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 District of Columbia to Belfast.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to Belfast?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast from District of Columbia 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 District of Columbia to Belfast?
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 Belfast with an airline and back to District of Columbia with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia 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 District of Columbia 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 to Belfast

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to District of Columbia

First Class flights to Belfast

Business Class flights to Belfast

Premium Economy Class flights to Belfast

Economy Class flights to Belfast

$249 Find Cheap Flights from District of Columbia to Belfast

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

Everything you should know

Cheap Flights from District of Columbia to Belfast

Recent round-trip flight deals from District of Columbia to Belfast

Recent one-way flight deals from District of Columbia to Belfast

Good to know

FAQs for booking flights from District of Columbia to Belfast

How does KAYAK find such low prices on flights from District of Columbia 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 District of Columbia to Belfast.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to Belfast?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast from District of Columbia 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 District of Columbia to Belfast?

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 Belfast with an airline and back to District of Columbia with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia 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 District of Columbia 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 to Belfast

Cabin class types available on flights to District of Columbia

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

Find direct flights for Belfast

Flights to other popular destinations

Flights from domestic origins to Belfast

Choose which airport to fly into in Belfast

Find deals for your return flight