SEA - BHD

£264 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 25/3. 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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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.

Everything you should know

Cheapest return fare
£456
British Airways
Sat 7/3Tue 17/3
SEA - BHD • 1 stop
Cheapest one-way flight
£264
Multiple Airlines
Wed 25/3
SEA - BHD • 2 stops
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
Booking Insights
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

Sat, 7 Mar - Tue, 17 Mar
British Airways Logo
18:50 - 19:40
SEA
-
BHD
16h 50m
1 stop
British Airways Logo
06:35 - 17:55
BHD
-
SEA
18h 20m
1 stop
£456British Airways
Sat, 7 Mar - Wed, 18 Mar
British Airways Logo
13:35 - 11:10
SEA
-
BHD
13h 35m
1 stop
British Airways Logo
09:15 - 00:24
BHD
-
SEA
22h 09m
2 stops
£459British Airways
Wed, 25 Feb - Sun, 1 Mar
British Airways Logo
18:50 - 16:35
SEA
-
BHD
13h 45m
1 stop
British Airways Logo
17:35 - 16:55
BHD
-
SEA
31h 20m
1 stop
£459British Airways
Fri, 3 Apr - Fri, 10 Apr
British Airways Logo
05:30 - 15:30
SEA
-
BHD
26h 00m
2 stops
British Airways Logo
06:30 - 11:35
BHD
-
SEA
13h 05m
1 stop
£549British Airways
Fri, 3 Apr - Mon, 20 Apr
British Airways Logo
05:30 - 18:10
SEA
-
BHD
28h 40m
2 stops
British Airways Logo
18:30 - 11:35
BHD
-
SEA
25h 05m
1 stop
£566British Airways
Fri, 3 Apr - Fri, 10 Apr
British Airways Logo
05:30 - 15:30
SEA
-
BHD
26h 00m
2 stops
British Airways Logo
09:30 - 23:39
BHD
-
SEA
22h 09m
2 stops
£590British Airways
Sat, 7 Mar - Tue, 17 Mar
British Airways Logo
21:40 - 16:50
SEA
-
BHD
35h 10m
2 stops
British Airways Logo
19:25 - 23:04
BHD
-
SEA
34h 39m
2 stops
£590British Airways
Fri, 3 Apr - Mon, 20 Apr
American Airlines Logo
13:54 - 15:30
SEA
-
BHD
17h 36m
2 stops
American Airlines Logo
11:35 - 23:39
BHD
-
SEA
20h 04m
2 stops
£599American Airlines
Sat, 7 Mar - Wed, 18 Mar
British Airways Logo
07:15 - 16:45
SEA
-
BHD
25h 30m
2 stops
British Airways Logo
06:35 - 23:04
BHD
-
SEA
23h 29m
2 stops
£601British Airways
Wed, 25 Feb - Sun, 1 Mar
British Airways Logo
07:15 - 10:15
SEA
-
BHD
19h 00m
2 stops
British Airways Logo
17:35 - 16:55
BHD
-
SEA
31h 20m
1 stop
£609British Airways
Booking Insights

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 (£456) and American Airlines (£599).

Find deals

Good to know - Cheap tickets from Seattle to Belfast

Cheapest flight£264
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 £264 for a one-way ticket and £456 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)