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$692+ Cheap flights from Seattle (SEA) to Southampton (SOU)

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SOU
Dec 24 — Dec 311
Tue 12/24
Tue 12/31
1 adult, Economy
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1. Tell us where you want to go
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Cheap flight deals from Seattle to Southampton

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Southampton (SOU). 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 December 19, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$899
(Mytrip)

One-way from

$692
(British Airways)

Popular in

July

Cheapest in

March
Provider with most accurate pricing for Seattle/Tacoma Intl-Southampton Eastleigh flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Southampton Eastleigh flights.
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From Seattle/Tacoma Intl to Southampton Eastleigh
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One-way flight from Seattle/Tacoma Intl to Southampton Eastleigh
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High demand for flights, 14% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Find flight deals from Seattle to Southampton

Cheapest flights from Seattle to Southampton
Explore the most affordable flight options available from Seattle to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 19, 2024.

This British Airways deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/256:50 pmSEA - SOU
2 stops16h 35mBritish Airways
Tue 12/318:40 amSOU - SEA
2 stops16h 15mBritish Airways
Deal found 12/18$2,968

Find flights from Seattle to Southampton within your budget

Customize your flight search to find flights from Seattle to Southampton 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 2,558,603 searches. Data last updated December 19, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleSouthampton

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Sat 2/1

2:35 pm-5:35 pm

2 stops19h 00m

Southampton Eastleigh

Sat 2/8

9:40 am-5:00 pm

2 stops15h 20m

$899

SeattleSouthampton

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Sun 2/2

6:00 am-4:50 pm

2 stops26h 50m

Southampton Eastleigh

Sun 2/9

5:20 pm-10:25 pm

2 stops37h 05m

$929

SeattleSouthampton

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Sun 2/2

2:10 pm-8:25 am

1 stop34h 15m

Southampton Eastleigh

Sun 2/9

9:30 am-11:46 am

1 stop34h 16m

$952

SeattleSouthampton

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Sat 3/1

1:45 pm-3:25 pm

2 stops17h 40m

Southampton Eastleigh

Tue 3/4

7:55 pm-4:55 pm

2 stops29h 00m

$1,390

SeattleSouthampton

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Sun 2/9

6:50 pm-7:25 pm

2 stops16h 35m

$692

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Compare providers for flights from Seattle to Southampton

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Southampton in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Southampton flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Southampton flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Southampton flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Southampton flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Southampton flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from Seattle with our price prediction graph.
Estimated round-trip 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 Seattle to Southampton

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

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

Currently, November is the cheapest month in which you can book a flight from Seattle to Southampton (average of $787). Flying from Seattle to Southampton in June is currently the most expensive (average of $1,308). 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.

What is the cheapest time of day to fly from SEA to SOU?

Find hourly flight availability from Seattle to Southampton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 19, 2024.

When flying from Seattle to Southampton, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 10% versus a flight in the evening.

Rainfall in Southampton by month

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

In terms of precipitation, rainfall in Southampton ranges from 1.0 - 3.0 inches per month. December is typically the wettest month, when rainfall can reach 3.0 in. July is typically the driest time to visit Southampton when rainfall is around 1.0 in.

Temperature in Southampton by month

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

If weather is an important factor for your trip to Southampton, 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 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Southampton

Get insights into the airlines that provide service to Southampton. 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 Southampton. Reviews last updated December 19, 2024.
KLM
7.8
Good
1,349 reviews

Entertainment

7.2

Comfort

7.7

Overall

7.8

Boarding

7.9

Crew

8.4

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

KLM
7.8
Good
1,349 reviews
KLM
7.8
Good
1,349 reviews

Entertainment

7.2

Comfort

7.7

Overall

7.8

Boarding

7.9

Crew

8.4

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Virgin Atlantic
7.5
Good
668 reviews
KLM
7.8
Good
1,349 reviews

Entertainment

7.2

Comfort

7.7

Overall

7.8

Boarding

7.9

Crew

8.4

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

British Airways
6.6
Okay
6,817 reviews
KLM
7.8
Good
1,349 reviews

Entertainment

7.2

Comfort

7.7

Overall

7.8

Boarding

7.9

Crew

8.4

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Related info for your journey

Find useful and relevant information for your journey from Seattle to Southampton. 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 Seattle to Southampton round-trip?

    Virgin Atlantic, at $929, was found to be the cheapest airline from Seattle to Southampton.Alternate airlines to your destination round-trip include KLM and British Airways. Virgin Atlantic is 6% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Southampton 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 Seattle to Southampton?

    Currently, November is the cheapest month in which you can book a flight from Seattle to Southampton (average of $787). Flying from Seattle to Southampton in June is currently the most expensive (average of $1,308). 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.

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Alternative routes for Seattle to Southampton

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Top 3 airlines flying from Seattle to Southampton

Discover the top 3 airlines that operate flights from Seattle to Southampton. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$794Average$1,079FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$870Average$990FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$944Average$1,495FlexibilityNo cancel feeOn-time70%
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