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.

£532 Cheap Flights from Belfast City Airport to State of Washington in 2025/26

1 adult

0 bags

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Find the cheapest flights from Belfast City Airport to Washington

Round-trip

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Enter your travel dates to find the best prices.

12:25 - 16:55

BHD

SEA

12h 30m1 stop

07:15 - 10:20

SEA

BHD

20h 05m2 stops

£532British Airways

Wed, 4 Mar - Sun, 8 Mar

06:35 - 16:55

BHD

SEA

18h 20m1 stop

19:50 - 16:50

SEA

BHD

14h 00m1 stop

£533British Airways

Wed, 4 Mar - Sun, 8 Mar

06:35 - 18:20

BHD

SEA

19h 45m2 stops

13:37 - 16:50

SEA

BHD

20h 13m2 stops

£535British Airways

Wed, 4 Mar - Sun, 8 Mar

06:35 - 18:20

BHD

SEA

19h 45m2 stops

13:37 - 13:55

SEA

BHD

17h 18m2 stops

£538British Airways

Wed, 4 Mar - Sun, 8 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

4 Mar

BHD12:25Belfast City

12h 30m

1 stop

SEA16:55Seattle/Tacoma Intl

8 Mar

SEA07:15Seattle/Tacoma Intl

20h 05m

2 stops

BHD10:20Belfast City

£532

Find similar

British Airways

4 Mar

BHD06:35Belfast City

18h 20m

1 stop

SEA16:55Seattle/Tacoma Intl

8 Mar

SEA19:50Seattle/Tacoma Intl

14h 00m

1 stop

BHD16:50Belfast City

£533

Find similar

British Airways

4 Mar

BHD06:35Belfast City

19h 45m

2 stops

SEA18:20Seattle/Tacoma Intl

8 Mar

SEA13:37Seattle/Tacoma Intl

20h 13m

2 stops

BHD16:50Belfast City

£535

Find similar

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

Wed 4/3

12:25-16:55

1 stop12h 30m

Seattle/Tacoma Intl

Sun 8/3

07:15-10:20

2 stops20h 05m

£532

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Wed 4/3

06:35-16:55

1 stop18h 20m

Seattle/Tacoma Intl

Sun 8/3

19:50-16:50

1 stop14h 00m

£533

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Wed 4/3

06:35-18:20

2 stops19h 45m

Seattle/Tacoma Intl

Sun 8/3

13:37-16:50

2 stops20h 13m

£535

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Wed 4/3

06:35-18:20

2 stops19h 45m

Seattle/Tacoma Intl

Sun 8/3

13:37-13:55

2 stops17h 18m

£538

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Thu 5/2

17:20-15:00

2 stops29h 40m

£1,260

Flights are sorted by cheapest return flights first.

Sorted 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?

Delta 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	18h 20m
Direct flights	None

The fastest flight from Belfast City Airport to State of Washington takes 18h 20m

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.