SEA

£490 Find Cheap Flights from Portsmouth to Seattle

This is the cheapest return flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portsmouth to Seattle departing on 4/3. 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

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Flight Deals

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

Wed, 4 Mar - Sun, 8 Mar
Virgin Atlantic Logo
17:30 - 11:35SOU-SEA
26h 05m1 stop
Virgin Atlantic Logo
07:20 - 08:10SEA-SOU
41h 50m2 stops
£490Virgin Atlantic
Find Deal
Wed, 4 Mar - Sun, 8 Mar
Delta Logo
08:40 - 11:35SOU-SEA
34h 55m1 stop
Delta Logo
21:55 - 17:00SEA-SOU
36h 05m2 stops
£493Delta
Find Deal
Wed, 4 Mar - Sun, 8 Mar
Virgin Atlantic Logo
17:30 - 19:25SOU-SEA
33h 55m2 stops
Virgin Atlantic Logo
07:20 - 08:10SEA-SOU
41h 50m2 stops
£495Virgin Atlantic
Find Deal
Wed, 4 Mar - Sun, 8 Mar
Virgin Atlantic Logo
08:40 - 22:16SOU-SEA
21h 36m2 stops
Virgin Atlantic Logo
22:00 - 17:00SEA-SOU
36h 00m2 stops
£497Virgin Atlantic
Find Deal
Wed, 4 Mar - Sun, 8 Mar
Virgin Atlantic Logo
08:40 - 11:35SOU-SEA
34h 55m1 stop
Virgin Atlantic Logo
16:00 - 08:10SEA-SOU
33h 10m1 stop
£504Virgin Atlantic
Find Deal
Wed, 4 Mar - Sun, 8 Mar
Virgin Atlantic Logo
08:40 - 10:45SOU-SEA
34h 05m2 stops
Virgin Atlantic Logo
22:00 - 17:00SEA-SOU
36h 00m2 stops
£508Virgin Atlantic
Find Deal
Sun, 14 Dec - Tue, 23 Dec
Delta Logo
18:05 - 17:00SOU-SEA
30h 55m2 stops
Delta Logo
23:00 - 08:05SEA-SOU
49h 05m2 stops
£647Delta
Find Deal
Fri, 12 Dec - Tue, 23 Dec
Delta Logo
08:40 - 10:41SOU-SEA
34h 01m2 stops
Delta Logo
23:00 - 08:05SEA-SOU
49h 05m2 stops
£655Delta
Find Deal
Wed, 17 Dec - Mon, 22 Dec
British Airways Logo
12:25 - 18:20SOU-SEA
13h 55m1 stop
British Airways Logo
20:05 - 19:40SEA-SOU
15h 35m1 stop
£808British Airways
Find Deal
Tue, 16 Dec - Mon, 22 Dec
British Airways Logo
20:10 - 18:20SOU-SEA
30h 10m1 stop
British Airways Logo
20:05 - 19:40SEA-SOU
15h 35m1 stop
£814British Airways
Find Deal

Everything you should know

Cheapest return fare
£490
Virgin Atlantic
Wed 4/3Sun 8/3
SOU - SEA • 1 stop
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Seattle!
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Good to know - Cheap tickets from Portsmouth to Seattle

Low seasonJanuary
Cheapest flight£490
Best time to beat the crowds (8% less expensive on average)
Most popular time to fly (13% 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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