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.

£407 Cheap Flights from Belfast City Airport to State of Washington in 2026

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Find the cheapest flights from Belfast City Airport to Washington

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

07:00 - 20:40

BHD

SEA

21h 40m

2 stops

19:00 - 20:30

SEA

BHD

17h 30m

2 stops

£809Multiple Airlines

Fri, 4 Sep - Mon, 7 Sep

06:30 - 18:25

BHD

SEA

19h 55m

1 stop

10:12 - 14:35

SEA

BHD

20h 23m

2 stops

£810British Airways

Wed, 2 Sep - Sun, 6 Sep

10:05 - 18:25

BHD

SEA

16h 20m

1 stop

13:30 - 10:30

SEA

BHD

13h 00m

1 stop

£812British Airways

Wed, 2 Sep - Sun, 6 Sep

06:30 - 18:25

BHD

SEA

19h 55m

1 stop

10:12 - 14:35

SEA

BHD

20h 23m

2 stops

£814British Airways

Wed, 2 Sep - Sun, 6 Sep

06:30 - 20:52

BHD

SEA

22h 22m

2 stops

10:12 - 17:40

SEA

BHD

23h 28m

2 stops

£815British Airways

Wed, 2 Sep - Sun, 6 Sep

10:05 - 23:59

BHD

SEA

21h 54m

2 stops

10:19 - 14:35

SEA

BHD

20h 16m

2 stops

£816British Airways

Wed, 2 Sep - Sun, 6 Sep

11:35 - 23:50

BHD

SEA

20h 15m

2 stops

10:12 - 14:35

SEA

BHD

20h 23m

2 stops

£818British Airways

Wed, 2 Sep - Sun, 6 Sep

20:10 - 11:35

BHD

SEA

23h 25m

1 stop

21:45 - 20:35

SEA

BHD

14h 50m

1 stop

£825Multiple Airlines

Fri, 4 Sep - Mon, 7 Sep

17:30 - 16:35

BHD

SEA

31h 05m

1 stop

09:30 - 09:20

SEA

BHD

15h 50m

2 stops

£829KLM

Fri, 4 Sep - Mon, 7 Sep

07:00 - 20:40

BHD

SEA

21h 40m

2 stops

15:40 - 09:20

SEA

BHD

33h 40m

3 stops

£907Multiple Airlines

Fri, 4 Sep - Mon, 7 Sep

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

2 Sept

BHD10:05Belfast City

16h 20m

1 stop

SEA18:25Seattle/Tacoma Intl

6 Sept

SEA13:30Seattle/Tacoma Intl

13h 00m

1 stop

BHD10:30Belfast City

£810

British Airways

2 Sept

BHD06:30Belfast City

13h 05m

1 stop

SEA11:35Seattle/Tacoma Intl

6 Sept

SEA10:19Seattle/Tacoma Intl

20h 16m

2 stops

BHD14:35Belfast City

£812

British Airways

2 Sept

BHD06:30Belfast City

19h 55m

1 stop

SEA18:25Seattle/Tacoma Intl

6 Sept

SEA10:12Seattle/Tacoma Intl

20h 23m

2 stops

BHD14:35Belfast City

£814

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 - SEA

BHDSEA

Belfast City

Fri 4/9

07:00-20:40

2 stops21h 40m

Seattle/Tacoma Intl

Mon 7/9

19:00-20:30

2 stops17h 30m

£809

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Wed 2/9

06:30-18:25

1 stop19h 55m

Seattle/Tacoma Intl

Sun 6/9

10:12-14:35

2 stops20h 23m

£810

Fastest return journey

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Wed 2/9

10:05-18:25

1 stop16h 20m

Seattle/Tacoma Intl

Sun 6/9

13:30-10:30

1 stop13h 00m

£812

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Wed 2/9

06:30-18:25

1 stop19h 55m

Seattle/Tacoma Intl

Sun 6/9

10:12-14:35

2 stops20h 23m

£814

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Wed 2/9

06:30-20:52

2 stops22h 22m

Seattle/Tacoma Intl

Sun 6/9

10:12-17:40

2 stops23h 28m

£815

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Wed 2/9

10:05-23:59

2 stops21h 54m

Seattle/Tacoma Intl

Sun 6/9

10:19-14:35

2 stops20h 16m

£816

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Wed 2/9

11:35-23:50

2 stops20h 15m

Seattle/Tacoma Intl

Sun 6/9

10:12-14:35

2 stops20h 23m

£818

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Fri 4/9

20:10-11:35

1 stop23h 25m

Seattle/Tacoma Intl

Mon 7/9

21:45-20:35

1 stop14h 50m

£825

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Fri 4/9

17:30-16:35

1 stop31h 05m

Seattle/Tacoma Intl

Mon 7/9

09:30-09:20

2 stops15h 50m

£829

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Fri 4/9

07:00-20:40

2 stops21h 40m

Seattle/Tacoma Intl

Mon 7/9

15:40-09:20

3 stops33h 40m

£907

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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

Fastest flight time	13h 05m
Direct flights	None

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.

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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.