How does KAYAK find such low prices on flights from Belfast to Washington?

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. 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?

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

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 from Belfast to Washington with an airline and back 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?

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 from Belfast to Washington 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>

What is the cheapest time of day to fly to Washington?

The cheapest time of day to fly to Washington is generally in the morning , when round-trip flights cost $1,060 on average. The most expensive time of day to fly to Washington is generally in the morning, which is peak travel time and where the average cost of a ticket is $1,060.

$623 CHEAP FLIGHTS from Belfast to Washington

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

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Flight Deals

Book Cheap Belfast to Washington Plane Tickets

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

Wed, Jan 21 - Sun, Jan 25

9:15 am - 1:14 pmBHD-SEA

35h 59m2 stops

2:04 pm - 2:15 pmSEA-BHD

40h 11m2 stops

$689American Airlines

Find Deal

Wed, Jan 21 - Sun, Jan 25

6:35 am - 1:14 pmBHD-SEA

38h 39m2 stops

5:52 pm - 4:05 pmSEA-BHD

38h 13m2 stops

$704American Airlines

Find Deal

Wed, Jan 21 - Sun, Jan 25

11:25 am - 4:55 pmBHD-SEA

13h 30m1 stop

6:50 pm - 6:40 pmSEA-BHD

15h 50m1 stop

$722American Airlines

Find Deal

Thu, Jan 29 - Mon, Feb 2

10:40 am - 11:30 amBHD-SEA

32h 50m1 stop

6:50 pm - 4:05 pmSEA-BHD

13h 15m1 stop

$725American Airlines

Find Deal

Thu, Jan 29 - Mon, Feb 2

6:35 am - 4:55 pmBHD-SEA

18h 20m1 stop

6:50 pm - 6:35 pmSEA-BHD

15h 45m1 stop

$726British Airways

Find Deal

Thu, Jan 29 - Mon, Feb 2

11:05 am - 10:20 pmBHD-SEA

19h 15m2 stops

10:09 am - 2:15 pmSEA-BHD

20h 06m2 stops

$728American Airlines

Find Deal

Wed, Jan 21 - Sun, Jan 25

11:25 am - 4:55 pmBHD-SEA

13h 30m1 stop

6:50 pm - 4:50 pmSEA-BHD

14h 00m1 stop

$729British Airways

Find Deal

Thu, Jan 29 - Mon, Feb 2

9:05 am - 10:20 pmBHD-SEA

21h 15m2 stops

10:09 am - 4:05 pmSEA-BHD

21h 56m2 stops

$730American Airlines

Find Deal

Wed, Jan 21 - Sun, Jan 25

6:35 am - 1:14 pmBHD-SEA

38h 39m2 stops

2:04 pm - 2:15 pmSEA-BHD

40h 11m2 stops

$824American Airlines

Find Deal

Thu, Jan 29 - Mon, Feb 2

6:35 am - 4:55 pmBHD-SEA

18h 20m1 stop

10:09 am - 2:15 pmSEA-BHD

20h 06m2 stops

$858American Airlines

Find Deal

Booking Insights

KAYAK's insights & trends for Belfast to Washington flights

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

How long does a flight from Belfast to Washington take?

The duration of a flight to Washington depends on your arrival airport. The shortest route to Washington from Belfast is to Seattle, which takes 26h 30m.

Find deals

Cheapest flight	$623

Flight from Belfast Intl Airport to Seattle

How does KAYAK find such low prices on flights from Belfast to Washington?
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.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Belfast to Washington?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Belfast to Washington 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?
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 from Belfast to Washington with an airline and back with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Belfast to Washington?
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 from Belfast to Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.
What is the cheapest time of day to fly to Washington?
The cheapest time of day to fly to Washington is generally in the morning, when round-trip flights cost $1,060 on average. The most expensive time of day to fly to Washington is generally in the morning, which is peak travel time and where the average cost of a ticket is $1,060.

Everything you need to know for your flight from Belfast to Washington

Cabin class

Complete your trip

Flights to other cities

Origins

Popular routes

Return flight deals

Cabin class types available on flights to Washington

First Class flights from Belfast to Washington

Business Class flights from Belfast to Washington

Prem Econ Class flights from Belfast to Washington

Economy Class flights from Belfast to Washington

$623 Find Cheap Flights from Belfast to Washington

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

Book Cheap Belfast to Washington Plane Tickets

Recent round-trip flight deals from Belfast to Washington

Recent one-way flight deals from Belfast to Washington

KAYAK's insights & trends for Belfast to Washington flights

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

How long does a flight from Belfast to Washington take?

The duration of a flight to Washington depends on your arrival airport. The shortest route to Washington from Belfast is to Seattle, which takes 26h 30m.

Good to know

FAQs - booking Washington flights

How does KAYAK find such low prices on flights from Belfast to Washington?

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.

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

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

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 from Belfast to Washington with an airline and back with another airline.

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

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 from Belfast to Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

What is the cheapest time of day to fly to Washington?

The cheapest time of day to fly to Washington is generally in the morning, when round-trip flights cost $1,060 on average. The most expensive time of day to fly to Washington is generally in the morning, which is peak travel time and where the average cost of a ticket is $1,060.

Everything you need to know for your flight from Belfast to Washington

Cabin class types available on flights to Washington

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

Flights to other popular destinations

Flights from other airports in Belfast to Washington

Flights from Belfast to popular cities in Washington

Find deals for your return flight