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Cheap flights from Southampton to Seattle from £558

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/12. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — SEA
4 Nov — 11 Nov1
1 adult

Cheap flight deals from Southampton to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 October 2024.

Round-trip from

£623

One-way from

£558
KLM
  • KLM
  • 3/12-10/12
  • 3 total stops
  • 42h 07m total
  • Southampton to Seattle
Search Deals
Aer Lingus
  • Aer Lingus
  • 13/12
  • 1 total stop
  • 16h 45m total
  • Southampton to Seattle
Search Deals

Find flight deals from Southampton to Seattle

Cheapest flights from Southampton to Seattle
Explore the most affordable flight options available from Southampton to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2024.

Tue 3/1217:20SOU - SEA
1 stop26h 32mKLM
Tue 10/1208:50SEA - SOU
2 stops15h 35mKLM
Deal found 29/10£623
Tue 3/1217:20SOU - SEA
1 stop26h 32mDelta
Mon 9/1200:50SEA - SOU
2 stops23h 35mDelta
Deal found 29/10£625
Tue 3/1219:25SOU - SEA
3 stops29h 35mMultiple Airlines
Tue 10/1214:35SEA - SOU
3 stops33h 50mMultiple Airlines
Deal found 29/10£951
Fri 13/1209:30SOU - SEA
1 stop16h 45mBritish Airways
Fri 20/1213:45SEA - SOU
2 stops35h 00mBritish Airways
Deal found 28/10£1,023
Fri 13/1209:30SOU - SEA
1 stop16h 45mAer Lingus
Thu 19/1200:31SEA - SOU
2 stops24h 14mAer Lingus
Deal found 28/10£1,083

Find flights from Southampton to Seattle within your budget

Customise your flight search to find flights from Southampton to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 1,015,184 searches. Data last updated 30 October 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£623 - £1,083

Route

Depart

Return

Price

Southampton EastleighSeattle/Tacoma Intl

SOU - SEA

SOUSEA

Southampton Eastleigh

Tue 3/12

1 stop26h 32m

Seattle/Tacoma Intl

Tue 10/12

2 stops15h 35m

£623

Southampton EastleighSeattle/Tacoma Intl

SOU - SEA

SOUSEA

Southampton Eastleigh

Tue 3/12

1 stop26h 32m

Seattle/Tacoma Intl

Mon 9/12

2 stops23h 35m

£625

Southampton EastleighSeattle/Tacoma Intl

SOU - SEA

SOUSEA

Southampton Eastleigh

Tue 3/12

3 stops29h 35m

Seattle/Tacoma Intl

Tue 10/12

3 stops33h 50m

£951

Southampton EastleighSeattle/Tacoma Intl

SOU - SEA

SOUSEA

Southampton Eastleigh

Fri 13/12

1 stop16h 45m

Seattle/Tacoma Intl

Fri 20/12

2 stops35h 00m

£1,023

Southampton EastleighSeattle/Tacoma Intl

SOU - SEA

SOUSEA

Southampton Eastleigh

Fri 13/12

1 stop16h 45m

Seattle/Tacoma Intl

Thu 19/12

2 stops24h 14m

£1,083

Flights are sorted by cheapest first

Deals found on 29/10

Best time to book a flight from Southampton to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Southampton with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Southampton to Seattle

Get recent, data-driven insights about flights from Southampton to Seattle including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Southampton to Seattle?

Currently, February is the cheapest month in which you can book a flight from Southampton to Seattle (average of £617). Flying from Southampton to Seattle in July is currently the most expensive (average of £839). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 30 October 2024.
Delta
8.0
Very Good
8,845 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Delta
8.0
Very Good
8,845 reviews
Delta
8.0
Very Good
8,845 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

KLM
7.8
Good
1,352 reviews
Delta
8.0
Very Good
8,845 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Aer Lingus
7.1
Good
1,087 reviews
Delta
8.0
Very Good
8,845 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

British Airways
6.7
Okay
6,846 reviews
Delta
8.0
Very Good
8,845 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Southampton to Seattle round-trip?

    Currently priced at £623, KLM will fly you from Southampton to Seattle and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and British Airways - these airlines can fly you to your destination from £625 and £1,023, respectively.

  • Can I find deals for flights from Southampton to Seattle that include hotel bookings?

    Yes. In addition to deals on Southampton to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southampton to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Seattle.

  • Can I find deals for business class flights from Southampton to Seattle?

    Yes. Cheapflights offers flight deals from Southampton to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Southampton to Seattle?

    Currently, February is the cheapest month in which you can book a flight from Southampton to Seattle (average of £617). Flying from Southampton to Seattle in July is currently the most expensive (average of £839). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Southampton to Seattle

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

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Southampton to Seattle?

Deals for Southampton to Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Southampton to Seattle?

Cheapflights simply makes it quick and affordable to book flights from Southampton to Seattle by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Southampton to Seattle with no change fees?

Need flexible booking options for your flight to Seattle from Southampton? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Southampton to Seattle become cheaper?

Yes, Cheapflights offers price alerts on Southampton to Seattle flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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