How do I get Price Alerts for flights from Belfast City Airport to State of Washington?

Search flight deals from Belfast City Airport to State of Washington . While viewing offers you’ll have the option to create a Price Alert.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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.

£398 Cheap Flights from Belfast City Airport to State of Washington in 2026

Find the cheapest flights from Belfast City Airport to Washington

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

07:00 - 20:40BHD Belfast City-SEA Seattle/Tacoma Intl

21h 40m2 stops London Gatwick Reykjavik Keflavik Intl

15:40 - 19:40SEA Seattle/Tacoma Intl-BHD Belfast City

20h 00m2 stops Reykjavik Keflavik Intl London Gatwick

£488Multiple Airlines

Thu, 1 Oct - Wed, 7 Oct

07:00 - 20:14BHD Belfast City-SEA Seattle/Tacoma Intl

21h 14m1 stop London Gatwick

17:30 - 19:40SEA Seattle/Tacoma Intl-BHD Belfast City

18h 10m1 stop London Heathrow

£507Multiple Airlines

Thu, 1 Oct - Wed, 7 Oct

07:00 - 20:40BHD Belfast City-SEA Seattle/Tacoma Intl

21h 40m2 stops London Gatwick Reykjavik Keflavik Intl

19:00 - 20:30SEA Seattle/Tacoma Intl-BHD Belfast City

17h 30m2 stops Reykjavik Keflavik Intl London Gatwick

£518Multiple Airlines

Thu, 8 Oct - Mon, 12 Oct

06:30 - 11:35BHD Belfast City-SEA Seattle/Tacoma Intl

13h 05m1 stop London Heathrow

10:31 - 12:00SEA Seattle/Tacoma Intl-BHD Belfast City

17h 29m2 stops Chicago O'Hare Intl London Heathrow

£561British Airways

Thu, 1 Oct - Wed, 7 Oct

09:50 - 16:35BHD Belfast City-SEA Seattle/Tacoma Intl

14h 45m1 stop Amsterdam Schiphol

09:36 - 09:20SEA Seattle/Tacoma Intl-BHD Belfast City

15h 44m2 stops Portland Amsterdam Schiphol

£573KLM

Thu, 8 Oct - Mon, 12 Oct

09:50 - 16:35BHD Belfast City-SEA Seattle/Tacoma Intl

14h 45m1 stop Amsterdam Schiphol

17:45 - 16:55SEA Seattle/Tacoma Intl-BHD Belfast City

15h 10m1 stop Amsterdam Schiphol

£573KLM

Thu, 8 Oct - Mon, 12 Oct

20:35 - 11:35BHD Belfast City-SEA Seattle/Tacoma Intl

23h 00m1 stop London Heathrow

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

16h 15m1 stop London Heathrow

£597British Airways

Thu, 15 Oct - Mon, 19 Oct

20:35 - 11:35BHD Belfast City-SEA Seattle/Tacoma Intl

23h 00m1 stop London Heathrow

15:14 - 15:30SEA Seattle/Tacoma Intl-BHD Belfast City

16h 16m2 stops Chicago O'Hare Intl London Heathrow

£597British Airways

Thu, 15 Oct - Mon, 19 Oct

20:35 - 11:35BHD Belfast City-SEA Seattle/Tacoma Intl

23h 00m1 stop London Heathrow

15:14 - 15:30SEA Seattle/Tacoma Intl-BHD Belfast City

16h 16m2 stops Chicago O'Hare Intl London Heathrow

£598British Airways

Thu, 15 Oct - Mon, 19 Oct

20:35 - 11:35BHD Belfast City-SEA Seattle/Tacoma Intl

23h 00m1 stop London Heathrow

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

16h 15m1 stop London Heathrow

£598British Airways

Thu, 15 Oct - Mon, 19 Oct

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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

1 Oct

BHD06:30Belfast City

13h 05m

1 stop

SEA11:35Seattle/Tacoma Intl

7 Oct

SEA10:31Seattle/Tacoma Intl

17h 29m

2 stops

BHD12:00Belfast City

£561

British Airways

15 Oct

BHD20:35Belfast City

23h 00m

1 stop

SEA11:35Seattle/Tacoma Intl

19 Oct

SEA20:20Seattle/Tacoma Intl

16h 15m

1 stop

BHD20:35Belfast City

£597

British Airways

15 Oct

BHD20:35Belfast City

23h 00m

1 stop

SEA11:35Seattle/Tacoma Intl

19 Oct

SEA20:20Seattle/Tacoma Intl

16h 15m

1 stop

BHD20:35Belfast City

£598

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

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Thu 1/10

07:00-20:40

2 stops21h 40m

Seattle/Tacoma Intl

Wed 7/10

15:40-19:40

2 stops20h 00m

£488

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Thu 1/10

07:00-20:14

1 stop21h 14m

Seattle/Tacoma Intl

Wed 7/10

17:30-19:40

1 stop18h 10m

£507

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Thu 8/10

07:00-20:40

2 stops21h 40m

Seattle/Tacoma Intl

Mon 12/10

19:00-20:30

2 stops17h 30m

£518

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Thu 1/10

06:30-11:35

1 stop13h 05m

Seattle/Tacoma Intl

Wed 7/10

10:31-12:00

2 stops17h 29m

£561

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Thu 8/10

09:50-16:35

1 stop14h 45m

Seattle/Tacoma Intl

Mon 12/10

09:36-09:20

2 stops15h 44m

£573

Fastest return journey

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Thu 8/10

09:50-16:35

1 stop14h 45m

Seattle/Tacoma Intl

Mon 12/10

17:45-16:55

1 stop15h 10m

£573

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Thu 15/10

20:35-11:35

1 stop23h 00m

Seattle/Tacoma Intl

Mon 19/10

20:20-20:35

1 stop16h 15m

£597

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Thu 15/10

20:35-11:35

1 stop23h 00m

Seattle/Tacoma Intl

Mon 19/10

15:14-15:30

2 stops16h 16m

£597

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Thu 15/10

20:35-11:35

1 stop23h 00m

Seattle/Tacoma Intl

Mon 19/10

15:14-15:30

2 stops16h 16m

£598

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Thu 15/10

20:35-11:35

1 stop23h 00m

Seattle/Tacoma Intl

Mon 19/10

20:20-20:35

1 stop16h 15m

£598

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

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	£398
Fastest flight time	13h 05m
Direct flights	None

The best one-way flight to State of Washington from Belfast City Airport in the past 72 hours is £398. The best return flight deal from Belfast City Airport to State of Washington found on momondo in the last 72 hours is £488.

The fastest flight from Belfast City Airport to State of Washington takes 13h 05m

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.

Frequently asked questions about flying from Belfast City Airport to Washington

How do I get Price Alerts for flights from Belfast City Airport to State of Washington?
Search flight deals from Belfast City Airport to State of Washington. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Belfast City Airport to State of Washington with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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.