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>

$278 Cheap Flights from District of Columbia to Belfast

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

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Cheapest round-trip

$622

British Airways

Thu 3/5Thu 3/12

IAD - BHD • 1 stop

Cheapest one-way

$278

Multiple Airlines

Wed 1/28

IAD - BFS • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Belfast!

Flight Deals

Cheap Flights from District of Columbia to Belfast

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from District of Columbia 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

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

Thu, Mar 5 - Thu, Mar 12

6:20 pm - 10:20 am

IAD

BHD

11h 00m1 stop

6:35 am - 8:55 pm

BHD

IAD

18h 20m1 stop

$622British Airways

Mon, Mar 16 - Sun, Mar 22

10:45 pm - 4:05 pm

IAD

BHD

13h 20m1 stop

5:35 pm - 4:35 pm

BHD

IAD

27h 00m1 stop

$642British Airways

Mon, Mar 16 - Sun, Mar 22

10:45 pm - 4:05 pm

IAD

BHD

13h 20m1 stop

8:25 pm - 8:55 pm

BHD

IAD

28h 30m1 stop

$643British Airways

Thu, Jan 15 - Tue, Jan 20

10:15 pm - 8:25 am

DCA

BHD

29h 10m2 stops

10:00 am - 9:30 pm

BHD

DCA

16h 30m2 stops

$643British Airways

Thu, Mar 5 - Thu, Mar 12

12:23 pm - 4:50 pm

IAD

BHD

23h 27m2 stops

6:30 am - 5:05 pm

BHD

IAD

14h 35m1 stop

$671Delta

Thu, Jan 15 - Tue, Jan 20

6:05 pm - 4:50 pm

IAD

BHD

17h 45m1 stop

5:20 pm - 7:09 pm

BHD

IAD

30h 49m2 stops

$676KLM

Thu, Mar 5 - Thu, Mar 12

12:23 pm - 4:50 pm

IAD

BHD

23h 27m2 stops

6:30 am - 10:59 pm

BHD

IAD

20h 29m2 stops

$681Delta

Thu, Jan 29 - Thu, Feb 5

7:40 pm - 10:20 pm

IAD

BFS

21h 40m2 stops

6:30 am - 6:30 pm

BFS

IAD

17h 00m2 stops

$681Multiple Airlines

Thu, Jan 29 - Thu, Feb 5

11:05 am - 8:25 pm

DCA

BFS

28h 20m3 stops

7:05 am - 7:59 pm

BFS

DCA

17h 54m3 stops

$718Multiple Airlines

Thu, Jan 15 - Tue, Jan 20

5:05 pm - 8:50 pm

IAD

BHD

22h 45m2 stops

7:00 am - 3:35 pm

BHD

IAD

13h 35m2 stops

$766Aer Lingus

Useful Info

Cheapest flight	$278

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

Prem Econ Class flights to Belfast

Economy Class flights to Belfast

$278 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