SEA - BHD
£650 Find Cheap Flights from Seattle to Belfast – Compare and Save
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 9/3. 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.
Everything you should know
Cheapest return flight
£650
Typical prices: £722-£996
British Airways
Fri 9/3Sun 18/3
SEA - BHD • 2 stops
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
Tue, 9 Mar - Thu, 18 Mar
06:19 - 10:50SEA Seattle/Tacoma Intl-BHD Belfast City
20h 31m2 stops Chicago O'Hare Intl London Heathrow
06:30 - 12:25BHD Belfast City-SEA Seattle/Tacoma Intl
12h 55m1 stop London Heathrow
£651British Airways
Mon, 11 Jan - Thu, 14 Jan
18:45 - 18:35SEA Seattle/Tacoma Intl-BHD Belfast City
15h 50m1 stop London Heathrow
17:50 - 16:50BHD Belfast City-SEA Seattle/Tacoma Intl
31h 00m1 stop London Heathrow
£667British Airways
Sun, 17 Jan - Thu, 21 Jan
18:45 - 16:50SEA Seattle/Tacoma Intl-BHD Belfast City
14h 05m1 stop London Heathrow
11:05 - 16:50BHD Belfast City-SEA Seattle/Tacoma Intl
13h 45m1 stop London Heathrow
£668British Airways
Tue, 9 Mar - Thu, 18 Mar
10:38 - 11:30SEA Seattle/Tacoma Intl-BHD Belfast City
16h 52m2 stops Chicago O'Hare Intl London Heathrow
11:05 - 17:50BHD Belfast City-SEA Seattle/Tacoma Intl
13h 45m1 stop London Heathrow
£671American Airlines
Tue, 9 Mar - Thu, 18 Mar
13:30 - 11:30SEA Seattle/Tacoma Intl-BHD Belfast City
14h 00m1 stop London Heathrow
17:50 - 17:50BHD Belfast City-SEA Seattle/Tacoma Intl
31h 00m1 stop London Heathrow
£672British Airways
Tue, 9 Mar - Thu, 18 Mar
06:19 - 11:30SEA Seattle/Tacoma Intl-BHD Belfast City
21h 11m2 stops Chicago O'Hare Intl London Heathrow
06:30 - 20:18BHD Belfast City-SEA Seattle/Tacoma Intl
20h 48m2 stops London Heathrow Chicago O'Hare Intl
£678British Airways
Tue, 10 Nov - Tue, 17 Nov
13:30 - 11:30SEA Seattle/Tacoma Intl-BHD Belfast City
14h 00m1 stop London Heathrow
11:40 - 16:50BHD Belfast City-SEA Seattle/Tacoma Intl
13h 10m1 stop London Heathrow
£713British Airways
Mon, 9 Nov - Tue, 17 Nov
15:51 - 17:25SEA Seattle/Tacoma Intl-BHD Belfast City
17h 34m2 stops Vancouver Intl London Heathrow
10:00 - 16:50BHD Belfast City-SEA Seattle/Tacoma Intl
14h 50m1 stop London Heathrow
£722Multiple Airlines
Tue, 10 Nov - Tue, 17 Nov
10:43 - 11:30SEA Seattle/Tacoma Intl-BHD Belfast City
16h 47m2 stops Chicago O'Hare Intl London Heathrow
11:40 - 16:50BHD Belfast City-SEA Seattle/Tacoma Intl
13h 10m1 stop London Heathrow
£726American Airlines
Mon, 9 Nov - Tue, 17 Nov
15:51 - 18:35SEA Seattle/Tacoma Intl-BHD Belfast City
18h 44m2 stops Vancouver Intl London Heathrow
10:00 - 00:35BHD Belfast City-SEA Seattle/Tacoma Intl
22h 35m2 stops London Heathrow Chicago O'Hare Intl
£730Multiple Airlines
Recent one-way flight deals from Seattle to Belfast City
SEA Seattle/Tacoma Airport-BHD Belfast City Airport
4472 mimulti-stop
Multiple Airlines
Recent last minute flight deals from Seattle to Belfast City
Mon, 12 Oct - Sat, 24 Oct
15:40 - 21:05SEA Seattle/Tacoma Intl-BHD Belfast City
21h 25m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Manchester
18:55 - 18:10BHD Belfast City-SEA Seattle/Tacoma Intl
31h 15m3 stops Glasgow Intl Dublin Istanbul
£1,185Multiple Airlines
Mon, 12 Oct - Sat, 24 Oct
15:40 - 21:05SEA Seattle/Tacoma Intl-BHD Belfast City
21h 25m2 stops Reykjavik Keflavik Intl Manchester
18:55 - 18:10BHD Belfast City-SEA Seattle/Tacoma Intl
31h 15m3 stops Glasgow Intl Dublin Istanbul
£1,253Multiple Airlines
Mon, 12 Oct - Sat, 24 Oct
20:20 - 18:45SEA Seattle/Tacoma Intl-BHD Belfast City
14h 25m1 stop London Heathrow
14:40 - 18:10BHD Belfast City-SEA Seattle/Tacoma Intl
35h 30m3 stops Southampton Eastleigh Dublin Istanbul
£1,275Multiple Airlines
Mon, 12 Oct - Sat, 24 Oct
20:20 - 20:35SEA Seattle/Tacoma Intl-BHD Belfast City
16h 15m1 stop London Heathrow
07:05 - 11:35BHD Belfast City-SEA Seattle/Tacoma Intl
12h 30m1 stop London Heathrow
£1,318Aer Lingus
Mon, 12 Oct - Sat, 24 Oct
20:20 - 18:45SEA Seattle/Tacoma Intl-BHD Belfast City
14h 25m1 stop London Heathrow
07:00 - 16:00BHD Belfast City-SEA Seattle/Tacoma Intl
17h 00m2 stops London Gatwick Frankfurt am Main
£1,435Multiple Airlines
Booking Insights
Price, demand, and travel trends for Seattle to Belfast City Airport flights
Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.
Prices
Airlines
Stopovers
How much is a return flight from Seattle to Belfast City Airport?
This analysis is based on the cheapest return price found on KAYAK in the last 12 months by searching for a flight from Seattle to Belfast City Airport departing in March.
Return flights from Seattle to Belfast City Airport typically range from £722 to £996. The lowest price found in the past 5 days was £650 on British Airways.
What is the most popular stopover airport when flying from Seattle to Belfast City Airport?
KAYAK data for 1-stop return journeys over the past 3 months. Only counts itineraries with the same stopover on both legs.London Heathrow (LHR) is the most popular stopover for the Seattle to Belfast City Airport route. 86% of KAYAK users who booked 1-stop return journeys over the past 3 months connected via LHR.
What is the cheapest stopover airport when flying from Seattle to Belfast City Airport?
Flights via London Heathrow (LHR) offer the most affordable fares, with an average return price of £800. Based on KAYAK data over the past 3 months.
Key details for Seattle to Belfast City Airport flights
Low season | December |
|---|---|
High season | March |
Cheapest flight | £650 |
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.
Your Seattle to Belfast City Airport flight questions, answered
Find helpful answers about this route, including flight times, airports, airlines, and booking tips.
Your guide to booking Seattle to Belfast City Airport flights
Get tips on when to book, when to fly, and what to know before your trip.More options for your flight from Seattle to Belfast City
Complete your trip to Belfast with a hotel stay or car hire
Information on your arrival and departure airports
Cabin class types available on flights to Belfast City
Cabin classes available on flights from Seattle to Belfast City. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.
Find direct flights to and from Seattle and Belfast City
Flights from domestic origins to Belfast City
Flights to other popular destinations
The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.