Cheap flights from Southampton to Seattle

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How to find the cheapest flight from
Southampton (SOU) to Seattle (SEA)

All the information you need to plan the best SOU to SEA flight in 2021: compare Southampton to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
How far in advance should I book a flight from Southampton to Seattle?

To save up to 51% on this flight, we recommend booking at least 52 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Southampton to Seattle from £439 1-2 weeks out and tickets from £575 for flights departing within the next 72 hours.

What is the cheapest month to fly from Southampton to Seattle?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Seattle. Flights to Seattle from Southampton in February are about £388 on average during February, but can be found for as low as £255.

Southampton to Seattle 2021 flight deals

Cheap flights to Seattle from Southampton found for this year
28 Sep - 2 Oct
£1,278pp
SOU
Southampton Eastleigh
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
SOU
Southampton Eastleigh
28 Sep - 2 Oct
£1,367pp
SOU
Southampton Eastleigh
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
SOU
Southampton Eastleigh

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Southampton</span> to <span class="emphasized">Seattle</span> flights.

Flight FAQs

From Southampton to Seattle

Are flight prices decreasing from Southampton to Seattle due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Southampton and Seattle for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Southampton to Seattle for under £1,346 on Cheapflights?

Yes, there are multiple flights from Southampton to Seattle for under £1,346. The cheapest flight booked recently is on Delta for just £1,278, but on average you can expect to pay £1,322.

Are there direct flights from Southampton to Seattle for under £1,276 on Cheapflights?

There are no direct flights from Southampton to Seattle, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Does it rain more in Southampton or Seattle?

In Southampton, there will be less rainfall in Southampton compared to Seattle over the next 10 days.

Is Southampton weather warmer or cooler than Seattle?

Expect the weather to be around 25 °C on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Seattle is generally hotter than in Southampton.

How long does is the flight from Southampton to Seattle?

There are many flights that can get you from Southampton to Seattle in 26h 06m. Fly via Delta to get the fastest option.

What is the cheapest airline to fly from Southampton to Seattle return?

According to our current data, Delta (£1,278), offers the cheapest pricing from Southampton to Seattle.

Alternative routes for Southampton to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Southampton to Seattle.
Today's exchange rate
£1 = $1.42
Average temperature for May in Seattle
19.0 °C
Avg rainfall for May in Seattle
45.0 mm

Airports servicing Southampton

Airports servicing Seattle

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