Cheap flights from Portsmouth to Seattle-Tacoma International

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs Cheapflights |
From
To
Leaving on
Depart
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

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

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

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-Tacoma International 1-2 weeks in advance for as low as £451, or £591 for flights within the next 24 hours.

What is the cheapest month to fly from Portsmouth to Seattle-Tacoma International?

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-Tacoma International. Flights to Seattle-Tacoma International from Portsmouth in February are about £399 on average during February, but can be found for as low as £263.

Portsmouth to Seattle-Tacoma International 2021 flight deals

Cheap flights to Seattle-Tacoma International from Portsmouth found for this year
15 Apr - 19 Apr
£467pp
SOU
Southampton Eastleigh
Delta
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
   
2 STOPS
SOU
Southampton Eastleigh
15 Apr - 19 Apr
£468pp
SOU
Southampton Eastleigh
Delta
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
   
2 STOPS
SOU
Southampton Eastleigh
15 Apr - 19 Apr
£481pp
SOU
Southampton Eastleigh
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
   
2 STOPS
SOU
Southampton Eastleigh

Related info for your journey

Useful info, stats and facts about Portsmouth to Seattle-Tacoma International flights.

Flight FAQs

From Portsmouth to Seattle-Tacoma International

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-Tacoma International for under £511 on Cheapflights?

Yes, there are multiple flights from Portsmouth to Seattle-Tacoma International for under £511. The cheapest flight booked recently is on Delta for just £467, but on average you can expect to pay £483.

Are there direct flights from Portsmouth to Seattle-Tacoma International for under £438 on Cheapflights?

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

What days are direct flights available from Southampton to Seattle?

You can find direct flights on the following days: Saturday.

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-Tacoma International?

There are many flights that can get you from Portsmouth to Seattle-Tacoma International in 21h 22m. Fly via Delta or KLM to get the fastest option. This flight may include one or multiple stops.

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

Flying on Delta is currently your cheapest option to Seattle-Tacoma International, with prices starting at £467. Another option worth looking into is KLM, starting at £499 return.

Related searches

Flights to Seattle-Tacoma International from Portsmouth
Flights to Portsmouth Flights to Seattle-Tacoma International

Hire a Car

Car Rentals at Seattle-Tacoma International Car Rentals in USA

Alternative routes for Portsmouth to Seattle-Tacoma International

Destination information for Seattle-Tacoma International

Things to know before you go. Useful info for your trip from Portsmouth to Seattle-Tacoma International
Today's exchange rate
£1 = $1.38

Airports servicing Southampton

Airports servicing Seattle

Home North America USA Washington Seattle Seattle-Tacoma International Cheap flights from Portsmouth to Seattle-Tacoma International