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 30m. Fly via American Airlines or British Airways to get the fastest option. There are 4472 mi between Belfast and State of Washington. Both multi-stop and direct flights can be found to your destination and back.

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.

£521+ Flights from Belfast to Washington

Cheap flight deals from Belfast to Washington

Enter your travel dates to find the best prices.

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 December 2025.

Wed 31/1211:25BHD - SEA

2 stops31h 34mMultiple Airlines

Wed 7/108:35SEA - BHD

2 stops17h 40mMultiple Airlines

Deal found 3/12£967

Wed 31/1209:15BHD - SEA

2 stops17h 14mBritish Airways

Wed 7/115:35SEA - BHD

2 stops14h 40mBritish Airways

Deal found 3/12£1,809

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 December 2025.

Wed 28/111:25BHD - SEA

1 stop13h 30mAmerican Airlines

Sun 1/214:04SEA - BHD

2 stops36h 36mAmerican Airlines

Deal found 1/12£521

Wed 28/106:35BHD - SEA

1 stop18h 20mBritish Airways

Sun 1/218:50SEA - BHD

1 stop14h 00mBritish Airways

Deal found 1/12£549

Fri 27/318:30BFS - SEA

3 stops30h 30mMultiple Airlines

Wed 8/419:00SEA - BFS

3 stops17h 15mMultiple Airlines

Deal found 4/12£778

Wed 4/206:35BHD - SEA

1 stop18h 20mAmerican Airlines

Sun 8/214:04SEA - BHD

2 stops36h 36mAmerican Airlines

Deal found 1/12£521

Wed 4/211:25BHD - SEA

1 stop13h 30mBritish Airways

Sun 8/208:04SEA - BHD

2 stops21h 51mBritish Airways

Deal found 2/12£651

Fri 9/118:00BFS - SEA

1 stop28h 49mMultiple Airlines

Tue 13/118:25SEA - BFS

1 stop16h 25mMultiple Airlines

Deal found 4/12£1,098

Last-minute flights from Belfast to Washington
Discover last-minute flight deals from Belfast to Washington. Data last updated 5 December 2025 and is based on user searches.

Wed 31/1211:25BHD - SEA

2 stops31h 34mMultiple Airlines

Wed 7/108:35SEA - BHD

2 stops17h 40mMultiple Airlines

Deal found 3/12£967

Fri 9/111:30BHD - SEA

1 stop32h 00mAmerican Airlines

Tue 13/108:04SEA - BHD

2 stops22h 46mAmerican Airlines

Deal found 4/12£713

Fri 9/117:20BHD - SEA

2 stops37h 05mDelta

Tue 13/111:25SEA - BHD

2 stops21h 25mDelta

Deal found 4/12£743

Fri 9/110:00BFS - SEA

2 stops41h 17mMultiple Airlines

Tue 13/118:25SEA - BFS

1 stop16h 25mMultiple Airlines

Deal found 4/12£820

Fri 9/107:20BHD - SEA

2 stops19h 56mMultiple Airlines

Tue 13/108:10SEA - BHD

3 stops21h 25mMultiple Airlines

Deal found 4/12£963

Wed 28/106:35BHD - SEA

2 stops38h 39mAmerican Airlines

Sun 1/214:04SEA - BHD

2 stops36h 36mAmerican Airlines

Deal found 1/12£521

Wed 28/106:35BHD - SEA

1 stop18h 20mBritish Airways

Sun 1/218:50SEA - BHD

1 stop14h 00mBritish Airways

Deal found 1/12£549

Find flight deals from Belfast to Washington

Round-trip from	£625

British Airways
28/1-1/2
3 total stops
58h 31m total
Belfast to Washington

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Wed 28/1

11:25-16:55

1 stop13h 30m

Seattle/Tacoma Intl

Sun 1/2

14:04-10:40

2 stops36h 36m

£521

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Wed 4/2

06:35-16:55

1 stop18h 20m

Seattle/Tacoma Intl

Sun 8/2

14:04-10:40

2 stops36h 36m

£521

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Wed 28/1

06:35-16:55

1 stop18h 20m

Seattle/Tacoma Intl

Sun 1/2

18:50-16:50

1 stop14h 00m

£549

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Wed 4/2

11:25-16:55

1 stop13h 30m

Seattle/Tacoma Intl

Sun 8/2

08:04-13:55

2 stops21h 51m

£651

BelfastSeattle

BFS - SEA

BFSSEA

Belfast Intl

Fri 27/3

18:30-18:00

3 stops30h 30m

Seattle/Tacoma Intl

Wed 8/4

19:00-20:15

3 stops17h 15m

£778

BelfastSeattle

BFS - SEA

BFSSEA

Belfast Intl

Fri 9/1

18:00-14:49

1 stop28h 49m

Seattle/Tacoma Intl

Tue 13/1

18:25-18:50

1 stop16h 25m

£1,098

Flights are sorted by cheapest return flights first.

Deals found on 1/12

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.

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

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

Reviews of airlines servicing Washington

Check out reviews from past customers who have flown with American Airlines and British Airways from Belfast to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

American Airlines

7.2

Good

11,047 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

American Airlines

7.2

Good

11,047 reviews

American Airlines

7.2

Good

11,047 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

British Airways

6.7

Okay

7,562 reviews

American Airlines

7.2

Good

11,047 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

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 30m. Fly via American Airlines or British Airways to get the fastest option. There are 4472 mi between Belfast and State of Washington. Both multi-stop and direct flights can be found to your destination and back.
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

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Complete your trip

State of Washington car hire

Seattle/Tacoma Intl Airport car hire

Spokane Airport car hire

Pasco Tri Cities Airport car hire

Bellingham Airport car hire

Pullman Moscow Regional Airport car hire

Wenatchee Pangborn Field Airport car hire

Yakima Air Terminal Airport car hire

Walla Walla Airport car hire

Kenmore Air Harbor Airport car hire

Seattle car hire

Bellingham car hire

Direct flights to United States

Top 2 airlines flying from Belfast to Washington

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£441	Average£527	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
American Airlines	Cheapest£563	Average£563	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

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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.

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Cheap flights from Belfast to Washington from £521

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/1. 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 December 2025.

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 December 2025.

Find flight deals from Belfast to Washington

Keep the following information in mind while searching for Belfast to Washington flight deals. Data was last updated 5 December 2025.

Round-trip 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

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

Reviews of airlines servicing Washington

Check out reviews from past customers who have flown with American Airlines and British Airways from Belfast to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Belfast to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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.

Top 2 airlines flying from Belfast to Washington

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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 December 2025.