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

In the last 3 days, the lowest price for a flight from Belfast Intl Airport to Washington, D.C. was $390 for a one-way ticket and $809 for a round-trip. Visit our flight page for the latest deals!>/a>

Do I need a passport to fly between Belfast and Washington, D.C.?

Yes, you'll most likely have to show a valid passport before boarding the plane in Belfast and on arrival in Washington, D.C.. Visit our flight page for the latest deals!>/a>

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

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

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

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 Belfast to Washington, D.C.. 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 Belfast to Washington, D.C.?

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

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

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 Washington, D.C. from Belfast 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>

Cheap Flights from Belfast to Washington, D.C. | KAYAK

BFS - WAS

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Cheapest round-trip

$809

Multiple Airlines

Thu 4/9Wed 4/15

BFS - IAD • 3 stops

Cheapest one-way

$390

Multiple Airlines

Thu 4/30

BFS - IAD • 2 stops

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Flight Deals

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

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

Round-trip

One-way

Recent round-trip flight deals from Belfast to Washington, D.C.

Thu, Apr 9 - Wed, Apr 15

6:20 am - 3:10 pm

BFS

IAD

37h 50m

3 stops

8:30 pm - 9:00 pm

IAD

BFS

19h 30m

3 stops

$809Multiple Airlines

Thu, Apr 9 - Wed, Apr 15

6:10 am - 11:59 pm

BFS

BWI

22h 49m

2 stops

8:30 pm - 9:00 pm

BWI

BFS

19h 30m

3 stops

$876Multiple Airlines

Thu, Apr 9 - Wed, Apr 15

12:45 pm - 5:00 pm

BFS

IAD

33h 15m

2 stops

8:20 pm - 10:20 pm

IAD

BFS

21h 00m

2 stops

$894Multiple Airlines

Thu, Apr 23 - Thu, Apr 30

12:45 pm - 5:00 pm

BFS

IAD

33h 15m

2 stops

8:20 pm - 7:30 pm

IAD

BFS

18h 10m

2 stops

$900Multiple Airlines

Thu, Apr 23 - Thu, Apr 30

12:45 pm - 5:00 pm

BFS

IAD

33h 15m

3 stops

8:20 pm - 7:30 pm

IAD

BFS

18h 10m

2 stops

$904Multiple Airlines

Thu, Apr 9 - Wed, Apr 15

10:20 am - 5:00 pm

BFS

IAD

35h 40m

3 stops

8:20 pm - 10:20 pm

IAD

BFS

21h 00m

2 stops

$905Multiple Airlines

Sun, Apr 26 - Sun, May 3

9:55 am - 9:15 am

BFS

BWI

28h 20m

3 stops

8:30 pm - 9:00 pm

BWI

BFS

19h 30m

2 stops

$915Multiple Airlines

Sun, Apr 26 - Sun, May 3

8:20 pm - 3:10 pm

BFS

IAD

47h 50m

3 stops

8:30 pm - 9:00 pm

IAD

BFS

19h 30m

2 stops

$928Multiple Airlines

Thu, Apr 23 - Thu, Apr 30

9:25 pm - 7:00 pm

BFS

IAD

26h 35m

3 stops

8:30 pm - 11:00 pm

IAD

BFS

21h 30m

3 stops

$970Multiple Airlines

Sun, Apr 26 - Sun, May 3

9:55 am - 9:15 am

BFS

BWI

28h 20m

3 stops

8:30 pm - 10:35 pm

BWI

BFS

21h 05m

3 stops

$998Multiple Airlines

Useful Info

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

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

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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 Belfast Intl Airport to Washington, D.C.?
In the last 3 days, the lowest price for a flight from Belfast Intl Airport to Washington, D.C. was $390 for a one-way ticket and $809 for a round-trip.
Do I need a passport to fly between Belfast and Washington, D.C.?
Yes, you'll most likely have to show a valid passport before boarding the plane in Belfast and on arrival in Washington, D.C..
Which aircraft models fly most regularly from Belfast to Washington, D.C.?
We unfortunately don’t have that data for this specific route.
How does KAYAK find such low prices on flights from Belfast to Washington, D.C.?
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 Belfast to Washington, D.C..
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Belfast to Washington, D.C.?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Belfast 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 Belfast to Washington, D.C.?
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 Washington, D.C. with an airline and back to Belfast with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Belfast to Washington, D.C.?
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 Washington, D.C. from Belfast 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 Belfast to Washington, D.C.

Airports

Cabin class

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Direct Flights

Flights to other cities

Origins

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Return flight deals

Information on your arrival and departure airports

Belfast (BFS)

BFS - WAS

$390 Find Cheap Flights from Belfast to Washington, D.C.

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C.

Everything you should know

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

Recent round-trip flight deals from Belfast to Washington, D.C.

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

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

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

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

In the last 3 days, the lowest price for a flight from Belfast Intl Airport to Washington, D.C. was $390 for a one-way ticket and $809 for a round-trip.

Do I need a passport to fly between Belfast and Washington, D.C.?

Yes, you'll most likely have to show a valid passport before boarding the plane in Belfast and on arrival in Washington, D.C..

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

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

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

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 Belfast to Washington, D.C..

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

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

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

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

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 Washington, D.C. from Belfast 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 Belfast to Washington, D.C.

Information on your arrival and departure airports

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

Complete your trip to Washington, D.C. with a hotel stay or car rental

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

Flights to other popular destinations

Flights from domestic origins to Washington, D.C.

Choose which airport to fly into in Belfast

Find deals for your return flight