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Cheap flights from Seattle (SEA) to Southampton (SOU) from $740

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 11/29. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — SOU
Jun 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
1 adult, Economy
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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 June 2, 2024.

Round-trip from

$643
From Seattle/Tacoma Intl to Southampton Eastleigh
Search Deals

What is the cheapest day to fly round-trip from Seattle to Southampton?

It’s generally more expensive to depart on a Sunday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

Travelers have found it’s best to book a flight 8 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 8 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 Seattle to Southampton 1-2 weeks in advance for as low as $666, or $1,099 for flights within the next 24 hours.

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

November is one of the best times of the year to fly to Southampton from Seattle. Prices for November average $859 per person but you can even find prices for as low as $560. The most expensive prices can be found in the month of June. Opting for a November flight can save you 40% on your journey compared to booking in June

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

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 in the morning, which can drop the price by up to 15% versus a flight at noon.

Cheap British Airways flights from Seattle to Southampton

Explore cheap flight options specifically provided by British Airways for the route between Seattle and Southampton. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Peruse some of the lowest-priced British Airways flights we've found from Seattle to Southampton. Be sure to come back soon if the deals available don't appeal to you at this time.
Sat 8/3110:51 pmSEA - SOU
2 stops50h 19mBritish Airways
Mon 9/168:00 pmSOU - SEA
1 stop29h 01mBritish Airways
Deal found 6/1$945
Sat 8/318:45 pmSEA - SOU
3 stops76h 25mBritish Airways
Mon 9/168:00 pmSOU - SEA
1 stop29h 01mBritish Airways
Deal found 6/1$962
Sat 8/318:45 pmSEA - SOU
3 stops76h 25mBritish Airways
Mon 9/167:40 pmSOU - SEA
2 stops29h 21mBritish Airways
Deal found 6/1$987
Thu 8/297:40 pmSEA - SOU
2 stops15h 45mBritish Airways
Sun 9/159:40 amSOU - SEA
1 stop15h 21mBritish Airways
Deal found 6/1$1,146
Mon 7/226:45 pmSEA - SOU
1 stop16h 45mBritish Airways
Thu 8/89:40 amSOU - SEA
1 stop15h 21mBritish Airways
Deal found 6/2$1,167
Thu 8/291:30 pmSEA - SOU
2 stops18h 30mBritish Airways
Sun 9/158:45 amSOU - SEA
2 stops58h 50mBritish Airways
Deal found 6/1$1,170
Tue 7/236:03 amSEA - SOU
2 stops29h 27mBritish Airways
Tue 8/69:40 amSOU - SEA
1 stop15h 21mBritish Airways
Deal found 6/2$1,171
Wed 8/284:30 pmSEA - SOU
3 stops35h 30mBritish Airways
Sat 9/1410:45 amSOU - SEA
2 stops56h 50mBritish Airways
Deal found 6/1$1,173
Mon 7/226:45 pmSEA - SOU
1 stop16h 45mBritish Airways
Mon 8/57:55 pmSOU - SEA
2 stops23h 40mBritish Airways
Deal found 6/2$1,199

Cheap Delta flights from Seattle to Southampton

Explore cheap flight options specifically provided by Delta for the route between Seattle and Southampton. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Take a gander at the lowest prices we've found on Delta flights from Seattle to Southampton. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Wed 8/285:15 pmSEA - SOU
2 stops17h 55mDelta
Sat 9/147:55 amSOU - SEA
2 stops22h 24mDelta
Deal found 6/1$1,023
Wed 6/197:10 amSEA - SOU
2 stops28h 00mDelta
Sun 6/237:40 pmSOU - SEA
1 stop28h 55mDelta
Deal found 6/1$1,243

Cheap Seattle to Southampton flights in June & July 2024

Find cheap flight options from Seattle to Southampton specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Prices were last updated on June 2, 2024.
The lowest fares we've come across on flights traveling from Seattle to Southampton in June and July 2024. For more flight deals, be sure to check back very soon.
Wed 6/197:10 amSEA - SOU
2 stops28h 00mDelta
Sun 6/237:40 pmSOU - SEA
1 stop28h 55mDelta
Deal found 6/1$1,243
Thu 6/61:30 pmSEA - SOU
1 stop21h 40mKLM
Sun 6/167:40 pmSOU - SEA
1 stop22h 40mKLM
Deal found 6/1$1,303
Thu 6/66:10 amSEA - SOU
2 stops17h 15mDelta
Sun 6/167:40 pmSOU - SEA
1 stop22h 40mDelta
Deal found 6/1$1,310
Thu 6/66:00 amSEA - SOU
2 stops17h 25mDelta
Sun 6/169:25 amSOU - SEA
2 stops19h 00mDelta
Deal found 6/1$1,320
Tue 6/47:40 pmSEA - SOU
2 stops28h 30mBritish Airways
Tue 6/117:55 pmSOU - SEA
2 stops29h 50mBritish Airways
Deal found 6/1$1,519
Wed 6/196:05 pmSEA - SOU
1 stop17h 05mKLM
Sun 6/237:40 pmSOU - SEA
1 stop22h 40mKLM
Deal found 6/1$1,601
Thu 6/67:00 amSEA - SOU
2 stops28h 30mMultiple Airlines
Sun 6/167:25 pmSOU - SEA
3 stops32h 56mMultiple Airlines
Deal found 6/1$1,712
Thu 6/62:15 pmSEA - SOU
3 stops34h 55mMultiple Airlines
Sun 6/167:25 pmSOU - SEA
3 stops32h 56mMultiple Airlines
Deal found 6/1$1,726
Wed 6/195:10 pmSEA - SOU
2 stops15h 40mKLM
Sun 6/239:25 amSOU - SEA
2 stops19h 15mKLM
Deal found 6/1$2,303

Seattle to Southampton 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Southampton in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
The lowest fares we've come across on flights traveling from Seattle to Southampton in June and July 2024. For more flight deals, be sure to check back very soon.
Sat 8/3110:51 pmSEA - SOU
2 stops50h 19mBritish Airways
Mon 9/168:00 pmSOU - SEA
1 stop29h 01mBritish Airways
Deal found 6/1$945
Sat 8/318:45 pmSEA - SOU
3 stops76h 25mBritish Airways
Mon 9/168:00 pmSOU - SEA
1 stop29h 01mBritish Airways
Deal found 6/1$962
Sat 8/318:45 pmSEA - SOU
3 stops76h 25mBritish Airways
Mon 9/167:40 pmSOU - SEA
2 stops29h 21mBritish Airways
Deal found 6/1$987
Wed 8/285:15 pmSEA - SOU
2 stops17h 55mDelta
Sat 9/147:55 amSOU - SEA
2 stops22h 24mDelta
Deal found 6/1$1,023
Wed 8/285:15 pmSEA - SOU
2 stops15h 35mKLM
Sat 9/145:20 pmSOU - SEA
1 stop25h 05mKLM
Deal found 6/1$1,106
Thu 8/297:40 pmSEA - SOU
2 stops15h 45mBritish Airways
Sun 9/159:40 amSOU - SEA
1 stop15h 21mBritish Airways
Deal found 6/1$1,146
Mon 7/226:45 pmSEA - SOU
1 stop16h 45mBritish Airways
Tue 8/69:40 amSOU - SEA
1 stop15h 21mBritish Airways
Deal found 6/2$1,167
Thu 8/291:30 pmSEA - SOU
2 stops18h 30mBritish Airways
Sun 9/158:45 amSOU - SEA
2 stops58h 50mBritish Airways
Deal found 6/1$1,170
Tue 7/236:03 amSEA - SOU
2 stops29h 27mBritish Airways
Tue 8/69:40 amSOU - SEA
1 stop15h 21mBritish Airways
Deal found 6/2$1,171

One-way flights to Southampton from Seattle

Search for one-way flight options from Seattle to Southampton. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Take a look at some of the best available options we've come across on one-way flights from Seattle to Southampton. Users can also find round-trip Seattle to Southampton flights by using the search form above.
Fri 11/298:05 pmSEA - SOU
1 stop28h 40mBritish Airways
Deal found 6/1$740
Fri 11/291:35 pmSEA - SOU
2 stops39h 30mBritish Airways
Deal found 6/1$761
Tue 6/117:40 pmSEA - SOU
2 stops28h 30mBritish Airways
Deal found 6/1$891
Tue 6/116:05 pmSEA - SOU
1 stop17h 05mDelta
Deal found 6/1$1,417
Sat 6/87:06 amSEA - SOU
2 stops28h 24mBritish Airways
Deal found 6/1$1,481
Fri 6/711:49 amSEA - SOU
2 stops19h 56mBritish Airways
Deal found 6/1$3,146
Sat 6/86:45 pmSEA - SOU
1 stop16h 45mBritish Airways
Deal found 6/1$3,154
Fri 6/76:45 pmSEA - SOU
1 stop13h 00mBritish Airways
Deal found 6/1$3,342

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 2,810,401 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$945 - $1,458

Route

Depart

Return

Price

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Sat 8/31

2 stops50h 19m

Southampton Eastleigh

Mon 9/16

1 stop29h 01m

$945

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Sat 8/31

3 stops76h 25m

Southampton Eastleigh

Mon 9/16

1 stop29h 01m

$962

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Sat 8/31

3 stops76h 25m

Southampton Eastleigh

Mon 9/16

2 stops29h 21m

$987

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Wed 8/28

2 stops17h 55m

Southampton Eastleigh

Sat 9/14

2 stops22h 24m

$1,023

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Wed 8/28

2 stops15h 35m

Southampton Eastleigh

Sat 9/14

1 stop25h 05m

$1,106

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Thu 8/29

2 stops15h 45m

Southampton Eastleigh

Sun 9/15

1 stop15h 21m

$1,146

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Mon 7/22

1 stop16h 45m

Southampton Eastleigh

Thu 8/8

1 stop15h 21m

$1,167

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Wed 6/19

2 stops28h 00m

Southampton Eastleigh

Sun 6/23

1 stop28h 55m

$1,243

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Sat 8/31

3 stops29h 40m

Southampton Eastleigh

Mon 9/16

3 stops42h 41m

$1,458

Flights are sorted by cheapest first

Deals found on 6/1

What is the cheapest day to fly from Seattle to Southampton?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Southampton. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Southampton flight should consider departing on Monday afternoons when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.

Temperature and rainfall in Southampton by month

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

LON

Temperature

39.2 - 62.6 °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 June 2, 2024.
Read reviews from past customers who have flown British Airways, Delta and KLM from Seattle to Southampton. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,410 reviews
Check prices

Comfort

7.9

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,410 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Comfort

7.9

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,507 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Comfort

7.9

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

British Airways
6.8
Okay
6,755 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Comfort

7.9

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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.

  • Can I find flights from Seattle to Southampton for under $1,000 on Cheapflights?

    Yes, there are multiple flights from Seattle to Southampton for under $1,000. The cheapest flight booked recently is on British Airways for just $945, but on average you can expect to pay $1,159.

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

    British Airways, at $945, was found to be the cheapest airline from Seattle to Southampton.Alternate airlines to your destination round-trip include Delta and KLM.

  • What does SEA to SOU mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Seattle/Tacoma Intl Airport to Southampton Eastleigh Airport flight would often be abbreviated as a SEA to SOU flight.

  • Can I find deals for flights from Seattle to Southampton that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Southampton flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Southampton with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Southampton flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Seattle to Southampton that allow pets onboard?

    Many airlines flying from Seattle to Southampton offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Southampton?

    Yes, you can often find last-minute deals on Seattle to Southampton flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Southampton flight deals updated?

    The Seattle to Southampton flight deals you see on this page were last updated on 6/2.

  • 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 $724). Flying from Seattle to Southampton in June is currently the most expensive (average of $1,358). 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
See prices for flight routes from nearby airports that may be better suited for you.

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Top 2 airlines flying from Seattle to Southampton

Discover the top 2 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 2,810,401 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$856Average$881FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest$993Average$1,080FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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Search flights from Seattle to Southampton by cabin class

Find flights from Seattle to Southampton, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

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Fly with Cheapflights

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

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

Cheapflights helps you search for flights from Seattle to Southampton via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to Southampton from Seattle by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Southampton from Seattle? 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 Seattle to Southampton become cheaper?

Yes, Cheapflights offers price alerts on Seattle to Southampton 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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