How long is the flight from Belfast to State of Washington?

There are many flights that can get you from Belfast to State of Washington in 13h 05m. Fly via British Airways to get the fastest option. There are 4472 mi between Belfast and State of Washington.

In terms of precipitation, rainfall in State of Washington ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit State of Washington when rainfall is around 18.0 mm.

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

What is the cheapest time of day to fly from BFS to WA?

When flying from Belfast to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Belfast to Washington that include hotel bookings?

Yes. In addition to deals on Belfast to Washington flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Belfast to Washington?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to Washington.

Can I find deals for business class flights from Belfast to Washington?

Yes. Cheapflights offers flight deals from Belfast to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£485+ Cheap Flights from Belfast to Washington

Cheap flight deals from Belfast to Washington

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Belfast to Washington
Explore the most affordable flight options available from Belfast to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2026.

Wed 2/1209:15 -

1 stop15h 35m

Wed 9/1218:45 -

1 stop16h 20m

Deal found 4/11£693

Wed 2/1217:55 -

3 stops31h 05m

Wed 9/1214:35 -

3 stops18h 05m

Deal found 4/11£796

Find flight deals from Belfast to Washington

Round-trip from	£693
One-way from	£485

British Airways
2/12-9/12
2 total stops
31h 55m total
Belfast to Washington

Search Deals

13/11-31/12
3 total stops
49h 00m total
Belfast to Washington

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Fri 13/11

20:05-13:05

3 stops49h 00m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£485

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Sat 20/3

11:45-17:50

1 stop13h 05m

Seattle/Tacoma Intl

Tue 30/3

20:20-18:55

1 stop14h 35m

£703

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Wed 2/12

11:40-16:50

1 stop13h 10m

Seattle/Tacoma Intl

Wed 9/12

09:15-10:05

2 stops16h 50m

£704

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Sat 20/3

07:25-20:40

2 stops20h 15m

Seattle/Tacoma Intl

Tue 30/3

19:00-20:30

2 stops17h 30m

£730

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Sat 20/2

17:20-16:00

2 stops30h 40m

Seattle/Tacoma Intl

Mon 5/7

17:45-16:55

2 stops15h 10m

£755

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Thu 21/1

06:30-16:50

1 stop18h 20m

Seattle/Tacoma Intl

Sun 24/1

18:45-18:50

1 stop16h 05m

£762

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Thu 14/1

15:25-16:50

1 stop33h 25m

Seattle/Tacoma Intl

Mon 18/1

10:17-15:55

2 stops21h 38m

£762

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Thu 21/1

14:10-16:50

1 stop34h 40m

Seattle/Tacoma Intl

Sun 24/1

10:17-16:50

2 stops22h 33m

£762

Fastest return journey

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Fri 13/11

06:45-16:50

1 stop18h 05m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£863

Flights are sorted by cheapest return flights first.

Deals found on 2/11

Sorted by cheapest first

Best time to book a flight from Belfast to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Belfast with our price prediction graph.

BHD-SEA

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

BF1-USWA

BHD-SEA

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Belfast to State of Washington?
There are many flights that can get you from Belfast to State of Washington in 13h 05m. Fly via British Airways to get the fastest option. There are 4472 mi between Belfast and State of Washington.
Can I find deals for flights from Belfast to Washington that include hotel bookings?
Yes. In addition to deals on Belfast to Washington flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast to Washington?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to Washington.
Can I find deals for business class flights from Belfast to Washington?
Yes. Cheapflights offers flight deals from Belfast to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to United States

Flights by cabin class

Other flight options

Popular flights

Alternative routes for Belfast to Washington

Belfast Intl to John F Kennedy Intl flights

Belfast Intl to Newark flights

Belfast City to John F Kennedy Intl flights

Belfast City to Newark flights

Belfast Intl to Hobby flights

Belfast Intl to Boston flights

Belfast City to Boston flights

Belfast City to LaGuardia flights

Belfast Intl to Seattle flights

Belfast Intl to Miami flights

Belfast Intl to Orlando flights

Belfast Intl to Las Vegas flights

Belfast City to George Bush Intcntl flights

Belfast Intl to George Bush Intcntl flights

Belfast City to Miami flights

Belfast City to Las Vegas flights

Belfast City to Orlando flights

Belfast City to Ontario flights

Belfast City to Santa Ana flights

Belfast Intl to Santa Ana flights

Belfast City to Los Angeles flights

Belfast Intl to Los Angeles flights

Belfast City to Seattle flights

Belfast Intl to Dallas/Fort Worth flights

Belfast Intl to Baltimore flights

Belfast Intl to Dulles Intl flights

Belfast Intl to Grand Rapids flights

Belfast City to Omaha flights

Belfast City to Fort Lauderdale flights

Belfast City to Detroit flights

Belfast City to Minneapolis flights

Belfast Intl to San Antonio flights

Belfast City to Atlanta flights

Belfast Intl to San Francisco flights

Belfast Intl to Atlanta flights

Belfast Intl to Detroit flights

Belfast Intl to Fort Lauderdale flights

Belfast Intl to Minneapolis flights

Belfast City to Jacksonville flights

Belfast City to Baton Rouge flights

Belfast Intl to Charlotte flights

Belfast Intl to New Orleans flights

Belfast City to Reagan-National flights

Belfast Intl to Denver flights

Belfast Intl to Pittsburgh flights

Belfast City to San Francisco flights

Fly with Cheapflights

How does Cheapflights help users find flights from Belfast to Washington?

When you search for this flight from Belfast to Washington, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Belfast to Washington?

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast to Washington for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Belfast to Washington with no change fees?

Yes, we can. To see specific flights from Belfast to Washington with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Belfast to Washington become cheaper?

Yes! Start tracking prices for Belfast to Washington flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Belfast to Washington from £485

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast to Washington

Cheapest flights from Belfast to WashingtonExplore the most affordable flight options available from Belfast to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2026.

Explore the most affordable flight options available from Belfast to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2026.

Best flights from Belfast to WashingtonDiscover carefully curated flight deals from Belfast to Washington that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 November 2026.

Discover carefully curated flight deals from Belfast to Washington that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 November 2026.

Last-minute flights from Belfast to WashingtonDiscover last-minute flight deals from Belfast to Washington. Data last updated 5 November 2026 and is based on user searches.

Discover last-minute flight deals from Belfast to Washington. Data last updated 5 November 2026 and is based on user searches.

One-way flights from Belfast to WashingtonSearch for one-way flight options from Belfast to Washington. Find affordable one-way fares based on user searches. Data last updated 5 November 2026.

Search for one-way flight options from Belfast to Washington. Find affordable one-way fares based on user searches. Data last updated 5 November 2026.

Find flight deals from Belfast to Washington

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Belfast to Washington that are best for you.

Best time to book a flight from Belfast to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Belfast with our price prediction graph.

Cheapflights Insights

Related info for your journey

How long is the flight from Belfast to State of Washington?

Can I find deals for flights from Belfast to Washington that include hotel bookings?

How can I find direct flights from Belfast to Washington?

Can I find deals for business class flights from Belfast to Washington?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Belfast to Washington

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Washington by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Belfast to Washington by cabin class

Find flights from Belfast to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Belfast and Washington flights

Browse other Belfast and Washington flight options. Last updated on 5 November 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

How does Cheapflights help users find flights from Belfast to Washington?

Why should you use Cheapflights to find cheap flight tickets from Belfast to Washington?

Can Cheapflights find flights from Belfast to Washington with no change fees?

Can Cheapflights notify me if prices for flights from Belfast to Washington become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Belfast to Washington
Explore the most affordable flight options available from Belfast to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2026.

Best flights from Belfast to Washington
Discover carefully curated flight deals from Belfast to Washington that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 November 2026.

Last-minute flights from Belfast to Washington
Discover last-minute flight deals from Belfast to Washington. Data last updated 5 November 2026 and is based on user searches.

One-way flights from Belfast to Washington
Search for one-way flight options from Belfast to Washington. Find affordable one-way fares based on user searches. Data last updated 5 November 2026.