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Cheap flights from Belfast City Airport to Washington from $720

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast City Airport to Washington departing on 3/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Belfast City Airport to Washington

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
9:15 am - 4:55 pm
BHD
-
SEA
15h 40m1 stop
British Airways Logo
7:50 pm - 4:50 pm
SEA
-
BHD
14h 00m1 stop
$720British Airways
週三, 3月 4 - 週日, 3月 8
British Airways Logo
6:35 am - 10:15 pm
BHD
-
SEA
23h 40m2 stops
British Airways Logo
7:15 am - 4:50 pm
SEA
-
BHD
26h 35m2 stops
$725British Airways
週三, 3月 4 - 週日, 3月 8
British Airways Logo
6:35 am - 6:20 pm
BHD
-
SEA
19h 45m2 stops
British Airways Logo
1:37 pm - 6:40 pm
SEA
-
BHD
22h 03m2 stops
$726British Airways
週三, 3月 4 - 週日, 3月 8

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
Mar 4
BHD9:15 amBelfast City
15h 40m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
Mar 8
SEA7:50 pmSeattle/Tacoma Intl
14h 00m
1 stop
BHD4:50 pmBelfast City
$720
Find similar
British Airways
Mar 4
BHD6:35 amBelfast City
23h 40m
2 stops
SEA10:15 pmSeattle/Tacoma Intl
Mar 8
SEA7:15 amSeattle/Tacoma Intl
26h 35m
2 stops
BHD4:50 pmBelfast City
$725
Find similar
British Airways
Mar 4
BHD6:35 amBelfast City
19h 45m
2 stops
SEA6:20 pmSeattle/Tacoma Intl
Mar 8
SEA1:37 pmSeattle/Tacoma Intl
22h 03m
2 stops
BHD6:40 pmBelfast City
$726
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Belfast City Airport to State of Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated 12月 26, 2025.
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

週三 3/4

9:15 am-4:55 pm

1 stop15h 40m

Seattle/Tacoma Intl

週日 3/8

7:50 pm-4:50 pm

1 stop14h 00m

$720

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

週三 3/4

6:35 am-10:15 pm

2 stops23h 40m

Seattle/Tacoma Intl

週日 3/8

7:15 am-4:50 pm

2 stops26h 35m

$725

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

週三 3/4

6:35 am-6:20 pm

2 stops19h 45m

Seattle/Tacoma Intl

週日 3/8

1:37 pm-6:40 pm

2 stops22h 03m

$726

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Washington from

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

Can stopping save me money on Belfast City Airport to State of Washington flights?

You could potentially save up to 8% on your flight if you consider stops on a Belfast City Airport to State of Washington flight.

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 30m

Direct flights

None
The fastest flight from Belfast City Airport to State of Washington takes 12h 30m
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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  • 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?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Belfast to Washington for you.

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

All flight searches from Belfast to Washington on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Belfast to Washington flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Washington from Belfast are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
週日 1/25
週日 2/1
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