SEA

£485 Find Cheap Flights from Portsmouth to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portsmouth to Seattle departing on 7/9. 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

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Cheap Flights from Portsmouth to Seattle

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Portsmouth to Seattle 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 Portsmouth to Seattle

Sat, 13 Sep - Sat, 20 Sep
Logo
09:40 - 17:50SOU-SEA
16h 10m2 stops
Logo
15:45 - 09:10SEA-SOU
33h 25m2 stops
£644
Find Deal
Fri, 5 Sep - Sun, 7 Sep
KLM Logo
17:35 - 11:45SOU-SEA
26h 10m1 stop
KLM Logo
13:55 - 08:50SEA-SOU
34h 55m1 stop
£667KLM
Find Deal
Fri, 5 Sep - Sun, 7 Sep
KLM Logo
09:20 - 16:05SOU-SEA
14h 45m1 stop
KLM Logo
09:30 - 08:45SEA-SOU
15h 15m2 stops
£670KLM
Find Deal
Fri, 5 Sep - Sun, 7 Sep
Virgin Atlantic Logo
09:20 - 23:15SOU-SEA
21h 55m2 stops
Virgin Atlantic Logo
06:00 - 08:45SEA-SOU
18h 45m2 stops
£681Virgin Atlantic
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Sat, 13 Sep - Sat, 20 Sep
KLM Logo
18:05 - 16:05SOU-SEA
30h 00m1 stop
KLM Logo
17:40 - 08:45SEA-SOU
31h 05m1 stop
£692KLM
Find Deal
Sat, 13 Sep - Sat, 20 Sep
Logo
08:25 - 17:50SOU-SEA
17h 25m2 stops
Logo
19:00 - 09:10SEA-SOU
30h 10m3 stops
£817
Find Deal
Sat, 13 Sep - Sat, 20 Sep
Logo
09:20 - 20:29SOU-SEA
43h 09m3 stops
Logo
12:00 - 08:45SEA-SOU
36h 45m3 stops
£848
Find Deal
Fri, 5 Sep - Sun, 7 Sep
Logo
09:40 - 22:16SOU-SEA
20h 36m3 stops
Logo
08:40 - 19:25SEA-SOU
26h 45m2 stops
£929
Find Deal
Tue, 19 Aug - Fri, 29 Aug
British Airways Logo
19:55 - 11:35SOU-SEA
23h 40m2 stops
British Airways Logo
19:35 - 15:45SEA-SOU
12h 10m1 stop
£1,286British Airways
Find Deal
Tue, 19 Aug - Fri, 29 Aug
British Airways Logo
09:10 - 17:50SOU-SEA
16h 40m1 stop
British Airways Logo
19:35 - 15:45SEA-SOU
12h 10m1 stop
£1,322British Airways
Find Deal
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Good to know - Cheap tickets from Portsmouth to Seattle

Low seasonJanuary
Cheapest flight£485
Best time to beat the crowds (9% less expensive on average)
Most popular time to fly (19% more expensive on average)
Flight from Southampton to Seattle

When to book flights from Portsmouth to Seattle

Are your dates flexible? Find out the best times to travel from Portsmouth to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

FAQs for booking flights from Portsmouth to Seattle

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

    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 Portsmouth to Seattle.

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

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

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

    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 Seattle with an airline and back to Portsmouth with another airline.

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

    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 Seattle from Portsmouth 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 Portsmouth to Seattle

Information on your arrival and departure airports

Seattle (SEA)

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