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.
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.
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.
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.
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.
You can find direct flights on the following days: Saturday.
In Southampton, there will be less rainfall in Southampton compared to Seattle over the next 14 days.
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.
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.
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.