When did momondo last update prices for flights from Belfast City Airport to Washington?

Prices for flights from Belfast City Airport to Washington are updated daily.

How old do you have to be to fly from Belfast City Airport to Washington?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast City Airport to Washington.

What documentation or ID do you need to fly to Washington?

The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£422 Cheap Flights from Belfast City Airport to State of Washington in 2026/27

Find the cheapest flights from Belfast City Airport to Washington

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One-way

Cheap return flights

Enter your travel dates to find the best prices.

06:35 - 11:25BHD Belfast City-SEA Seattle/Tacoma Intl

12h 50m1 stop London Heathrow

13:40 - 11:10SEA Seattle/Tacoma Intl-BHD Belfast City

13h 30m1 stop London Heathrow

£705British Airways

Sat, 21 Nov - Sat, 28 Nov

08:35 - 20:20BHD Belfast City-SEA Seattle/Tacoma Intl

19h 45m2 stops London Heathrow Chicago O'Hare Intl

07:30 - 10:50SEA Seattle/Tacoma Intl-BHD Belfast City

19h 20m2 stops Dallas/Fort Worth London Heathrow

£735Multiple Airlines

Mon, 9 Nov - Mon, 23 Nov

08:35 - 20:20BHD Belfast City-SEA Seattle/Tacoma Intl

19h 45m2 stops London Heathrow Chicago O'Hare Intl

18:45 - 14:50SEA Seattle/Tacoma Intl-BHD Belfast City

12h 05m1 stop London Heathrow

£741Multiple Airlines

Mon, 9 Nov - Tue, 24 Nov

11:40 - 16:50BHD Belfast City-SEA Seattle/Tacoma Intl

13h 10m1 stop London Heathrow

13:30 - 11:30SEA Seattle/Tacoma Intl-BHD Belfast City

14h 00m1 stop London Heathrow

£743British Airways

Mon, 9 Nov - Tue, 24 Nov

06:35 - 22:31BHD Belfast City-SEA Seattle/Tacoma Intl

23h 56m2 stops London Heathrow Philadelphia

13:40 - 11:10SEA Seattle/Tacoma Intl-BHD Belfast City

13h 30m1 stop London Heathrow

£748British Airways

Sat, 21 Nov - Sat, 28 Nov

09:25 - 16:50BHD Belfast City-SEA Seattle/Tacoma Intl

15h 25m1 stop London Heathrow

18:45 - 15:55SEA Seattle/Tacoma Intl-BHD Belfast City

13h 10m1 stop London Heathrow

£753British Airways

Mon, 9 Nov - Mon, 23 Nov

17:15 - 11:47BHD Belfast City-SEA Seattle/Tacoma Intl

26h 32m1 stop Amsterdam Schiphol

07:15 - 09:10SEA Seattle/Tacoma Intl-BHD Belfast City

17h 55m2 stops New York John F Kennedy Intl Amsterdam Schiphol

£754KLM

Tue, 10 Nov - Mon, 23 Nov

09:25 - 20:20BHD Belfast City-SEA Seattle/Tacoma Intl

18h 55m2 stops London Heathrow Chicago O'Hare Intl

13:30 - 11:30SEA Seattle/Tacoma Intl-BHD Belfast City

14h 00m1 stop London Heathrow

£759British Airways

Mon, 9 Nov - Tue, 24 Nov

06:30 - 16:50BHD Belfast City-SEA Seattle/Tacoma Intl

18h 20m1 stop London Heathrow

18:45 - 16:50SEA Seattle/Tacoma Intl-BHD Belfast City

14h 05m1 stop London Heathrow

£763British Airways

Thu, 14 Jan - Sun, 17 Jan

11:05 - 16:50BHD Belfast City-SEA Seattle/Tacoma Intl

13h 45m1 stop London Heathrow

10:17 - 16:50SEA Seattle/Tacoma Intl-BHD Belfast City

22h 33m2 stops Chicago O'Hare Intl London Heathrow

£764British Airways

Thu, 14 Jan - Sun, 17 Jan

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British Airways flights from Belfast City Airport to State of Washington

Our best British Airways deals on Belfast City Airport to State of Washington flight tickets

British Airways

21 Nov

BHD06:35Belfast City

12h 50m

1 stop

SEA11:25Seattle/Tacoma Intl

28 Nov

SEA13:40Seattle/Tacoma Intl

13h 30m

1 stop

BHD11:10Belfast City

£705

British Airways

9 Nov

BHD11:40Belfast City

13h 10m

1 stop

SEA16:50Seattle/Tacoma Intl

24 Nov

SEA13:30Seattle/Tacoma Intl

14h 00m

1 stop

BHD11:30Belfast City

£743

British Airways

21 Nov

BHD06:35Belfast City

23h 56m

2 stops

SEA22:31Seattle/Tacoma Intl

28 Nov

SEA13:40Seattle/Tacoma Intl

13h 30m

1 stop

BHD11:10Belfast City

£748

KLM flights from Belfast City Airport to State of Washington

Our best KLM deals on Belfast City Airport to State of Washington flight tickets

KLM

10 Nov

BHD17:15Belfast City

26h 32m

1 stop

SEA11:47Seattle/Tacoma Intl

23 Nov

SEA07:15Seattle/Tacoma Intl

17h 55m

2 stops

BHD09:10Belfast City

£754

KLM

10 Nov

BHD09:40Belfast City

20h 18m

2 stops

SEA21:58Seattle/Tacoma Intl

23 Nov

SEA07:15Seattle/Tacoma Intl

17h 55m

2 stops

BHD09:10Belfast City

£765

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Sat 21/11

06:35-11:25

1 stop12h 50m

Seattle/Tacoma Intl

Sat 28/11

13:40-11:10

1 stop13h 30m

£705

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Mon 9/11

08:35-20:20

2 stops19h 45m

Seattle/Tacoma Intl

Mon 23/11

07:30-10:50

2 stops19h 20m

£735

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Mon 9/11

08:35-20:20

2 stops19h 45m

Seattle/Tacoma Intl

Tue 24/11

18:45-14:50

1 stop12h 05m

£741

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Mon 9/11

11:40-16:50

1 stop13h 10m

Seattle/Tacoma Intl

Tue 24/11

13:30-11:30

1 stop14h 00m

£743

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Sat 21/11

06:35-22:31

2 stops23h 56m

Seattle/Tacoma Intl

Sat 28/11

13:40-11:10

1 stop13h 30m

£748

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Mon 9/11

09:25-16:50

1 stop15h 25m

Seattle/Tacoma Intl

Mon 23/11

18:45-15:55

1 stop13h 10m

£753

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Tue 10/11

17:15-11:47

1 stop26h 32m

Seattle/Tacoma Intl

Mon 23/11

07:15-09:10

2 stops17h 55m

£754

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Mon 9/11

09:25-20:20

2 stops18h 55m

Seattle/Tacoma Intl

Tue 24/11

13:30-11:30

1 stop14h 00m

£759

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Thu 14/1

06:30-16:50

1 stop18h 20m

Seattle/Tacoma Intl

Sun 17/1

18:45-16:50

1 stop14h 05m

£763

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Thu 14/1

11:05-16:50

1 stop13h 45m

Seattle/Tacoma Intl

Sun 17/1

10:17-16:50

2 stops22h 33m

£764

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from Belfast City Airport to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Belfast City to Washington?

KLM is the most popular carrier operating from Belfast City to Washington

Cheap Belfast City Airport to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast City Airport to State of Washington

Best price found	£422
Fastest flight time	12h 50m
Direct flights	None

The best one-way flight to State of Washington from Belfast City Airport in the past 72 hours is £422. The best return flight deal from Belfast City Airport to State of Washington found on momondo in the last 72 hours is £705.

The fastest flight from Belfast City Airport to State of Washington takes 12h 50m

There are no direct flights from Belfast City Airport to State of Washington. There are no popular flight routes from Belfast City Airport to State of Washington.

Search flight deals

Frequently asked questions about flying from Belfast City Airport to Washington

When did momondo last update prices for flights from Belfast City Airport to Washington?
Prices for flights from Belfast City Airport to Washington are updated daily.
How old do you have to be to fly from Belfast City Airport to Washington?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast City Airport to Washington.
What documentation or ID do you need to fly to Washington?
The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to Washington?

It is quick and easy to find Belfast to Washington flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington that suits you.

Can I find flights from Belfast to Washington with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington from Belfast with this policy.

How can momondo help me find flights from Belfast to Washington?

momondo helps you find the best flight between Belfast and Washington by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Belfast to Washington right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Belfast to Washington now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington and let you know when they change.