Cheap flights from Portsmouth to Seattle

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

How far in advance should I book a flight from Portsmouth to Seattle?

Travellers have found it’s best to book a flight 52 days in advance to save up to 51% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 52 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Portsmouth to Seattle 1-2 weeks in advance for as low as £452, or £593 for flights within the next 24 hours.

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

Our data shows that February tends to be the cheapest month to fly to Seattle from Portsmouth. Users have commonly found prices around £400 for the month, but tickets can be as low as £263. Due to multiple factors, prepare for potentially higher prices in July.

Portsmouth to Seattle 2021 flight deals

15 Apr - 19 Apr
£482pp
SOU
Southampton Eastleigh
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
   
2 STOPS
SOU
Southampton Eastleigh
15 Apr - 19 Apr
£486pp
SOU
Southampton Eastleigh
Delta
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
   
2 STOPS
SOU
Southampton Eastleigh
25 Mar - 29 Mar
£491pp
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

Flight FAQs

From Portsmouth 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 Portsmouth to Seattle for under £512 on Cheapflights?

Yes, there are multiple flights from Portsmouth to Seattle for under £512. The cheapest flight booked recently is on Delta for just £482, but on average you can expect to pay £490.

Are there direct flights from Portsmouth to Seattle for under £512 on Cheapflights?

There are no direct flights from Portsmouth 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 14 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 Portsmouth to Seattle?

There are many flights that can get you from Portsmouth to Seattle in 25h 46m. Fly via KLM or Delta to get the fastest option. This flight may include one or multiple stops.

What are the cheapest airlines to flying from Portsmouth to Seattle return?

Cheapflights users have booked flights from Portsmouth to Seattle from £482 return. Another airline that can offer you cheap pricing is KLM.

Alternative routes for Portsmouth to Seattle

Destination information for Seattle

Today's exchange rate
£1 = $1.37
Average temperature for January in Seattle
9.0 °C
Avg rainfall for January in Seattle
144.0 mm

Airports servicing Southampton

Airports servicing Seattle

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