SEA - BHD

£159 Find Cheap Flights from Seattle to Belfast

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Belfast City departing on 12/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Belfast City Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Belfast, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Belfast, as well as popular online travel agencies
Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest return fare
£480
British Airways
Mon 23/3Fri 27/3
SEA - BHD • 1 stop
Cheapest one-way flight
£159
British Airways
Sun 12/4
SEA - BHD • 1 stop
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Belfast City!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from Seattle to Belfast City (SEA-BHD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Seattle to Belfast City that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Seattle to Belfast City

Mon, 23 Mar - Fri, 27 Mar
British Airways Logo
19:50 - 18:35
SEA
-
BHD
15h 45m1 stop
British Airways Logo
06:45 - 12:30
BHD
-
SEA
12h 45m1 stop
£480British Airways
Sat, 7 Mar - Tue, 17 Mar
Delta Logo
15:05 - 21:00
SEA
-
BHD
21h 55m1 stop
Delta Logo
06:30 - 12:35
BHD
-
SEA
13h 05m1 stop
£481Delta
Sat, 7 Mar - Tue, 17 Mar
Delta Logo
15:05 - 21:00
SEA
-
BHD
21h 55m1 stop
Delta Logo
06:30 - 19:05
BHD
-
SEA
19h 35m2 stops
£488Delta
Wed, 1 Apr - Wed, 8 Apr
KLM Logo
17:30 - 16:55
SEA
-
BHD
15h 25m1 stop
KLM Logo
17:30 - 16:30
BHD
-
SEA
31h 00m1 stop
£491KLM
Mon, 23 Mar - Fri, 27 Mar
British Airways Logo
19:50 - 16:05
SEA
-
BHD
13h 15m1 stop
British Airways Logo
06:45 - 12:30
BHD
-
SEA
12h 45m1 stop
£498British Airways
Wed, 1 Apr - Wed, 8 Apr
KLM Logo
17:30 - 16:55
SEA
-
BHD
15h 25m1 stop
KLM Logo
09:50 - 00:03
BHD
-
SEA
22h 13m2 stops
£499KLM
Mon, 23 Mar - Fri, 27 Mar
Multiple Airlines Logo
06:44 - 10:40
SEA
-
BHD
20h 56m2 stops
Multiple Airlines Logo
06:45 - 12:30
BHD
-
SEA
12h 45m1 stop
£503Multiple Airlines
Mon, 23 Mar - Fri, 27 Mar
British Airways Logo
13:37 - 16:05
SEA
-
BHD
19h 28m2 stops
British Airways Logo
06:45 - 12:30
BHD
-
SEA
12h 45m1 stop
£514British Airways
Wed, 1 Apr - Wed, 8 Apr
British Airways Logo
07:15 - 11:55
SEA
-
BHD
20h 40m2 stops
British Airways Logo
06:50 - 21:46
BHD
-
SEA
22h 56m2 stops
£529British Airways
Sat, 7 Mar - Tue, 17 Mar
Delta Logo
07:30 - 16:50
SEA
-
BHD
25h 20m2 stops
Delta Logo
06:30 - 19:48
BHD
-
SEA
20h 18m2 stops
£567Delta
Useful Info

Good to know - Cheap tickets from Seattle to Belfast

Cheapest flight£159
Flight from Seattle to Belfast

When to book flights from Seattle to Belfast City

Are your dates flexible? Find out the best times to travel from Seattle to Belfast City based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Seattle to Belfast flights

  • What is the cheapest flight from Seattle to Belfast City Airport?

    In the last 3 days, the lowest price for a flight from Seattle to Belfast City Airport was £159 for a one-way ticket and £480 for a return.

  • Which aircraft models fly most regularly from Seattle to Belfast?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Seattle to Belfast?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Belfast.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Belfast?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast from Seattle is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Belfast?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Belfast with an airline and back to Seattle with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Belfast?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belfast from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Seattle to Belfast City

Information on your arrival and departure airports

Seattle (SEA)
Belfast City (BHD)