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

There are many flights that can get you from State of Washington to Belfast City Airport in 16h 50m. Fly via British Airways to get the fastest option. The distance between State of Washington and Belfast City Airport is about 4472 mi.

In terms of precipitation, rainfall in Belfast City Airport ranges from 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Belfast City Airport when rainfall is around 2.0 in.

If weather is an important factor for your trip to Belfast City Airport, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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

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

How can I find direct flights from Washington to Belfast City?

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

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

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

$293+ Flights from Washington to Belfast City Airport

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Cheap flight deals from Washington to Belfast City

Cheapest flights from Washington to Belfast City
Explore the most affordable flight options available from Washington to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Sat 12/203:05 pmSEA - BHD

1 stop17h 45mMultiple Airlines

Mon 12/225:20 pmBHD - SEA

1 stop26h 30mMultiple Airlines

Deal found 12/16

$2,438

Best flights from Washington to Belfast City
Discover carefully curated flight deals from Washington to Belfast City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Sat 3/76:50 pmSEA - BHD

1 stop16h 50mBritish Airways

Tue 3/1710:00 amBHD - SEA

1 stop14h 55mBritish Airways

Deal found 12/16

$604

Wed 1/1411:10 amPDX - BHD

2 stops21h 40mMultiple Airlines

Wed 1/215:20 pmBHD - PDX

2 stops32h 15mMultiple Airlines

Deal found 12/16

$661

Sat 3/71:35 pmSEA - BHD

1 stop16h 40mBritish Airways

Wed 3/1812:25 pmBHD - SEA

1 stop12h 30mBritish Airways

Deal found 12/17

$604

Wed 1/145:45 pmPDX - BHD

1 stop12h 30mBritish Airways

Wed 1/216:35 amBHD - PDX

1 stop17h 20mBritish Airways

Deal found 12/16

$604

Tue 3/179:57 amPDX - BHD

2 stops23h 53mMultiple Airlines

Tue 3/319:50 amBHD - PDX

1 stop33h 20mMultiple Airlines

Deal found 12/16

$675

Wed 2/115:45 pmPDX - BHD

1 stop12h 30mBritish Airways

Sun 2/156:30 amBHD - PDX

1 stop17h 25mBritish Airways

Deal found 12/16

$624

Tue 3/172:05 pmPDX - BHD

2 stops21h 35mBritish Airways

Tue 3/316:35 amBHD - PDX

2 stops24h 55mBritish Airways

Deal found 12/16

$650

Last-minute flights from Washington to Belfast City
Discover last-minute flight deals from Washington to Belfast City. Data last updated December 18, 2025 and is based on user searches.

Sat 12/203:05 pmSEA - BHD

1 stop17h 45mMultiple Airlines

Mon 12/225:20 pmBHD - SEA

1 stop26h 30mMultiple Airlines

Deal found 12/16

$2,438

Wed 1/145:45 pmPDX - BHD

1 stop12h 30mBritish Airways

Wed 1/216:35 amBHD - PDX

1 stop17h 20mBritish Airways

Deal found 12/16

$604

Wed 1/1411:10 amPDX - BHD

2 stops21h 40mMultiple Airlines

Wed 1/215:20 pmBHD - PDX

2 stops32h 15mMultiple Airlines

Deal found 12/16

$661

Fri 1/301:35 pmSEA - BHD

1 stop12h 55mBritish Airways

Tue 2/36:35 amBHD - SEA

1 stop12h 55mBritish Airways

Deal found 12/16

$624

One-way flights from Washington to Belfast City
Search for one-way flight options from Washington to Belfast City. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Mon 2/211:55 amSEA - BHD

3 stops24h 35mMultiple Airlines

Deal found 12/16

$293

Mon 2/26:50 pmSEA - BHD

1 stop31h 40mBritish Airways

Deal found 12/16

$413

Find flight deals from Washington to Belfast City

Round-trip from	$604 (Cheapflightsfares)
One-way from	$293 (Kiwi.com)
Popular in	December
Cheapest in	April
Average price	$1,583

From Washington to Belfast City

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One-way flight from Washington to Belfast City

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Highest demand for flights based on searches. 11% potential increase in price ($128 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($59 potential savings vs. average RT price).

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Average for round-trip flights in December 2025

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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SeattleBelfast

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Sat 3/7

6:50 pm-7:40 pm

1 stop16h 50m

Belfast City

Tue 3/17

10:00 am-5:55 pm

1 stop14h 55m

$604

SeattleBelfast

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Sat 3/7

1:35 pm-2:15 pm

1 stop16h 40m

Belfast City

Wed 3/18

12:25 pm-5:55 pm

1 stop12h 30m

$604

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 1/14

5:45 pm-2:15 pm

1 stop12h 30m

Belfast City

Wed 1/21

6:35 am-3:55 pm

1 stop17h 20m

$604

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 2/11

5:45 pm-2:15 pm

1 stop12h 30m

Belfast City

Sun 2/15

6:30 am-3:55 pm

1 stop17h 25m

$624

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Tue 3/17

2:05 pm-6:40 pm

2 stops21h 35m

Belfast City

Tue 3/31

6:35 am-11:30 pm

2 stops24h 55m

$650

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 1/14

11:10 am-4:50 pm

2 stops21h 40m

Belfast City

Wed 1/21

5:20 pm-5:35 pm

2 stops32h 15m

$661

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Tue 3/17

9:57 am-4:50 pm

2 stops23h 53m

Belfast City

Tue 3/31

9:50 am-11:10 am

1 stop33h 20m

$675

SeattleBelfast

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Mon 2/2

11:55 am-8:30 pm

3 stops24h 35m

$293

SeattleBelfast

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Mon 2/2

6:50 pm-10:30 am

1 stop31h 40m

$413

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Best time to book a flight from Washington to Belfast City

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

Estimated round-trip 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 Washington to Belfast City Airport

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

It’s typically best to fly out from State of Washington to Belfast City Airport in the evening. Doing so could potentially save you 21% on the flight price compared to flying in the morning, which is usually more expensive.

Related info for your journey

How long is the flight from State of Washington to Belfast City Airport?
There are many flights that can get you from State of Washington to Belfast City Airport in 16h 50m. Fly via British Airways to get the fastest option. The distance between State of Washington and Belfast City Airport is about 4472 mi.
Can I find deals for flights from Washington to Belfast City that include hotel bookings?
Yes. In addition to deals on Washington to Belfast City flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington to Belfast City?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Belfast City.
Can I find deals for business class flights from Washington to Belfast City?
Yes. Cheapflights offers flight deals from Washington to Belfast City 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

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$293+ Cheap flights from Washington to Belfast City (BHD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington to Belfast City with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Washington to Belfast City

Cheapest flights from Washington to Belfast CityExplore the most affordable flight options available from Washington to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Explore the most affordable flight options available from Washington to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Find flight deals from Washington to Belfast City

Keep the following information in mind while searching for Washington to Belfast City flight deals. Data was last updated December 18, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Washington to Belfast City

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

Cheapflights Insights

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

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

Find hourly flight availability from Washington to Belfast City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

Related info for your journey

Find useful and relevant information for your journey from Washington to Belfast City. 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 State of Washington to Belfast City Airport?

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

How can I find direct flights from Washington to Belfast City?

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

Traveling to a place near Belfast City Airport?

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Cheapest flights from Washington to Belfast City
Explore the most affordable flight options available from Washington to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.