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.

£390 Cheap Flights from Belfast City Airport to State of Washington in 2026

1 adult

0 bags

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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.

06:35 - 11:30

BHD

SEA

12h 55m

1 stop

07:21 - 11:30

SEA

BHD

21h 09m

2 stops

£683British Airways

Sat, 7 Mar - Tue, 10 Mar

09:15 - 23:04

BHD

SEA

21h 49m

2 stops

07:21 - 10:30

SEA

BHD

20h 09m

2 stops

£687British Airways

Sat, 7 Mar - Tue, 10 Mar

06:35 - 11:30

BHD

SEA

12h 55m

1 stop

07:21 - 14:50

SEA

BHD

24h 29m

2 stops

£696British Airways

Sat, 7 Mar - Tue, 10 Mar

06:35 - 11:30

BHD

SEA

12h 55m

1 stop

14:25 - 11:30

SEA

BHD

14h 05m

1 stop

£699British Airways

Sat, 7 Mar - Tue, 10 Mar

06:35 - 23:04

BHD

SEA

24h 29m

2 stops

13:37 - 16:45

SEA

BHD

20h 08m

2 stops

£700British Airways

Sat, 7 Mar - Tue, 10 Mar

06:45 - 11:30

BHD

SEA

12h 45m

1 stop

14:25 - 11:30

SEA

BHD

14h 05m

1 stop

£703British Airways

Fri, 6 Mar - Tue, 10 Mar

09:05 - 00:24

BHD

SEA

22h 19m

2 stops

22:08 - 10:20

SEA

BHD

29h 12m

2 stops

£739British Airways

Thu, 19 Mar - Sat, 21 Mar

10:40 - 17:55

BHD

SEA

14h 15m

1 stop

23:59 - 10:20

SEA

BHD

27h 21m

2 stops

£783British Airways

Thu, 19 Mar - Sat, 21 Mar

07:00 - 18:00

BHD

SEA

18h 00m

2 stops

21:05 - 18:25

SEA

BHD

14h 20m

2 stops

£1,044Multiple Airlines

Thu, 19 Mar - Fri, 20 Mar

09:05 - 17:55

BHD

SEA

15h 50m

1 stop

19:50 - 19:40

SEA

BHD

16h 50m

1 stop

£1,052British Airways

Thu, 19 Mar - Sat, 21 Mar

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

7 Mar

BHD06:35Belfast City

12h 55m

1 stop

SEA11:30Seattle/Tacoma Intl

10 Mar

SEA19:50Seattle/Tacoma Intl

15h 50m

1 stop

BHD18:40Belfast City

£683

British Airways

7 Mar

BHD09:15Belfast City

21h 49m

2 stops

SEA23:04Seattle/Tacoma Intl

10 Mar

SEA07:21Seattle/Tacoma Intl

20h 09m

2 stops

BHD10:30Belfast City

£687

British Airways

7 Mar

BHD06:35Belfast City

12h 55m

1 stop

SEA11:30Seattle/Tacoma Intl

10 Mar

SEA14:25Seattle/Tacoma Intl

13h 05m

1 stop

BHD10:30Belfast City

£696

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

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Sat 7/3

06:35-11:30

1 stop12h 55m

Seattle/Tacoma Intl

Tue 10/3

07:21-11:30

2 stops21h 09m

£683

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Sat 7/3

09:15-23:04

2 stops21h 49m

Seattle/Tacoma Intl

Tue 10/3

07:21-10:30

2 stops20h 09m

£687

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Sat 7/3

06:35-11:30

1 stop12h 55m

Seattle/Tacoma Intl

Tue 10/3

07:21-14:50

2 stops24h 29m

£696

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Sat 7/3

06:35-11:30

1 stop12h 55m

Seattle/Tacoma Intl

Tue 10/3

14:25-11:30

1 stop14h 05m

£699

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Sat 7/3

06:35-23:04

2 stops24h 29m

Seattle/Tacoma Intl

Tue 10/3

13:37-16:45

2 stops20h 08m

£700

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Fri 6/3

06:45-11:30

1 stop12h 45m

Seattle/Tacoma Intl

Tue 10/3

14:25-11:30

1 stop14h 05m

£703

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Thu 19/3

09:05-00:24

2 stops22h 19m

Seattle/Tacoma Intl

Sat 21/3

22:08-10:20

2 stops29h 12m

£739

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Thu 19/3

10:40-17:55

1 stop14h 15m

Seattle/Tacoma Intl

Sat 21/3

23:59-10:20

2 stops27h 21m

£783

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Thu 19/3

07:00-18:00

2 stops18h 00m

Seattle/Tacoma Intl

Fri 20/3

21:05-18:25

2 stops14h 20m

£1,044

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Thu 19/3

09:05-17:55

1 stop15h 50m

Seattle/Tacoma Intl

Sat 21/3

19:50-19:40

1 stop16h 50m

£1,052

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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?

Aer Lingus 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

Fastest flight time	12h 45m
Direct flights	None

The fastest flight from Belfast City Airport to State of Washington takes 12h 45m

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

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.