SEA - BHD

£528 Find Cheap Flights from Seattle to Belfast

This is the cheapest return flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Belfast City departing on 4/8. 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

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

Save 27% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flights Deals
Useful Info
Flights Deals

Cheap Flights from Seattle to Belfast (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 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, 4 Aug - Wed, 20 Aug
British Airways Logo
20:20 - 19:35SEA-BHD
15h 15m1 stop
British Airways Logo
18:15 - 11:35BHD-SEA
25h 20m1 stop
£528British Airways
Find Deal
Tue, 28 Oct - Tue, 4 Nov
British Airways Logo
14:35 - 13:35SEA-BHD
16h 00m1 stop
British Airways Logo
08:40 - 16:55BHD-SEA
16h 15m1 stop
£536British Airways
Find Deal
Tue, 28 Oct - Tue, 4 Nov
American Airlines Logo
15:13 - 14:55SEA-BHD
16h 42m2 stops
American Airlines Logo
06:35 - 11:20BHD-SEA
12h 45m1 stop
£539American Airlines
Find Deal
Tue, 28 Oct - Tue, 4 Nov
American Airlines Logo
13:29 - 13:35SEA-BHD
17h 06m2 stops
American Airlines Logo
11:30 - 16:55BHD-SEA
13h 25m1 stop
£540American Airlines
Find Deal
Sat, 4 Oct - Tue, 14 Oct
Iberia Logo
15:00 - 11:30SEA-BHD
36h 30m2 stops
Iberia Logo
06:35 - 11:10BHD-SEA
12h 35m1 stop
£548Iberia
Find Deal
Mon, 4 Aug - Wed, 20 Aug
Logo
17:45 - 17:30SEA-BHD
15h 45m2 stops
Logo
16:05 - 11:35BHD-SEA
27h 30m1 stop
£566
Find Deal
Mon, 4 Aug - Wed, 20 Aug
Aer Lingus Logo
19:35 - 20:50SEA-BHD
17h 15m2 stops
Aer Lingus Logo
07:00 - 17:50BHD-SEA
18h 50m2 stops
£587Aer Lingus
Find Deal
Sun, 27 Jul - Sun, 3 Aug
Logo
17:45 - 17:40SEA-BHD
15h 55m2 stops
Logo
06:50 - 11:30BHD-SEA
12h 40m1 stop
£640
Find Deal
Mon, 30 Jun - Wed, 9 Jul
Aer Lingus Logo
19:35 - 19:55SEA-BHD
16h 20m2 stops
Aer Lingus Logo
18:50 - 17:50BHD-SEA
31h 00m2 stops
£1,104Aer Lingus
Find Deal
Tue, 9 Sep - Tue, 16 Sep
Iberia Logo
08:05 - 10:35SEA-BHD
18h 30m2 stops
Iberia Logo
16:25 - 20:12BHD-SEA
35h 47m2 stops
£3,653Iberia
Find Deal
Useful Info

KAYAK's insights & trends for Seattle to Belfast City flights

Get data-powered insights and trends into flights from Seattle to Belfast City to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Seattle to Belfast?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest return tickets from Seattle to Belfast were found on British Airways (£528) and American Airlines (£539).

Find deals

Good to know - Cheap tickets from Seattle to Belfast

Cheapest flight£528
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 £717 for a return ticket.

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

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

  • Which airline alliances offer flights from Seattle to Belfast?

    oneworld is the only airline alliance operating flights between Seattle and Belfast.

  • 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)

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.