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Cheap flights from Seattle (SEA) to Southampton (SOU) from $488

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 11/5. 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 16 — Jun 231
From?
To?
Sun 6/16
Sun 6/23
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 11, 2024.

Popular in

June

Cheapest in

October

Average price

$1,375

Round-trip from

$643
High demand for flights, 29% potential price rise
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Best time to find cheap flights, 22% potential price drop
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Average for round-trip flights in June 2024
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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 Friday, 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 evening, which can drop the price by up to 13% versus a flight in the afternoon.

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 3,117,830 searches. Prices were last updated on June 11, 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 6/239:25 amSOU - SEA
1 stop32h 55mDelta
Deal found 6/10$1,252
Wed 6/197:10 amSEA - SOU
2 stops28h 00mDelta
Sun 6/237:40 pmSOU - SEA
2 stops29h 00mDelta
Deal found 6/10$1,258
Wed 6/196:05 pmSEA - SOU
1 stop14h 45mKLM
Sun 6/237:40 pmSOU - SEA
1 stop22h 40mKLM
Deal found 6/10$1,423
Wed 7/31:52 pmSEA - SOU
2 stops59h 18mBritish Airways
Mon 7/88:00 pmSOU - SEA
2 stops35h 08mBritish Airways
Deal found 6/11$1,615
Mon 6/247:40 pmSEA - SOU
2 stops15h 45mBritish Airways
Mon 7/17:55 pmSOU - SEA
2 stops23h 40mBritish Airways
Deal found 6/10$1,751
Wed 7/36:10 pmSEA - SOU
1 stop14h 40mDelta
Mon 7/85:20 pmSOU - SEA
1 stop24h 55mDelta
Deal found 6/11$1,876
Thu 6/206:05 pmSEA - SOU
1 stop17h 05mDelta
Sat 6/298:30 amSOU - SEA
1 stop16h 05mDelta
Deal found 6/10$1,884
Sat 6/226:05 pmSEA - SOU
1 stop17h 05mDelta
Mon 7/18:30 amSOU - SEA
1 stop16h 05mDelta
Deal found 6/10$2,464
Fri 6/211:25 pmSEA - SOU
2 stops18h 20mBritish Airways
Mon 7/17:55 pmSOU - SEA
2 stops23h 40mBritish Airways
Deal found 6/10$2,660

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 3,117,830 searches. Data last updated June 11, 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.
Tue 10/16:00 amSEA - SOU
2 stops17h 25mDelta
Wed 10/167:40 pmSOU - SEA
1 stop22h 55mDelta
Deal found 6/10$694
Tue 10/11:55 pmSEA - SOU
2 stops18h 55mDelta
Wed 10/167:55 amSOU - SEA
2 stops24h 04mDelta
Deal found 6/10$704
Mon 9/29:59 pmSEA - SOU
2 stops37h 11mDelta
Sun 9/87:40 pmSOU - SEA
2 stops32h 37mDelta
Deal found 6/10$811
Mon 11/258:00 pmSEA - SOU
1 stop15h 40mBritish Airways
Wed 12/49:15 amSOU - SEA
1 stop17h 00mBritish Airways
Deal found 6/10$854
Sun 11/246:45 pmSEA - SOU
2 stops16h 40mBritish Airways
Wed 12/49:15 amSOU - SEA
1 stop17h 00mBritish Airways
Deal found 6/10$875
Mon 11/258:00 pmSEA - SOU
1 stop15h 40mBritish Airways
Fri 12/68:40 amSOU - SEA
2 stops16h 05mBritish Airways
Deal found 6/10$883
Sun 11/246:45 pmSEA - SOU
2 stops16h 40mBritish Airways
Tue 12/108:40 amSOU - SEA
2 stops16h 05mBritish Airways
Deal found 6/10$904
Sat 10/121:50 pmSEA - SOU
2 stops17h 35mBritish Airways
Tue 10/229:40 amSOU - SEA
1 stop15h 21mBritish Airways
Deal found 6/9$917
Sun 11/248:00 pmSEA - SOU
1 stop15h 40mBritish Airways
Tue 12/107:55 pmSOU - SEA
2 stops28h 50mBritish Airways
Deal found 6/10$921

Seattle to Southampton flights leaving soon

Find last-minute flight options from Seattle to Southampton for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,117,830 searches. Data last updated June 11, 2024.
Check out these flights departing soon from Seattle to Southampton. It's wise to confirm all flight details are correct before booking.
Wed 6/197:10 amSEA - SOU
2 stops28h 00mDelta
Sun 6/239:25 amSOU - SEA
1 stop32h 55mDelta
Deal found 6/10$1,252
Wed 6/197:10 amSEA - SOU
2 stops28h 00mDelta
Sun 6/237:40 pmSOU - SEA
2 stops29h 00mDelta
Deal found 6/10$1,258
Wed 6/196:05 pmSEA - SOU
1 stop14h 45mKLM
Sun 6/237:40 pmSOU - SEA
1 stop22h 40mKLM
Deal found 6/10$1,423
Thu 6/206:05 pmSEA - SOU
1 stop17h 05mDelta
Sat 6/298:30 amSOU - SEA
1 stop16h 05mDelta
Deal found 6/10$1,884
Fri 6/211:25 pmSEA - SOU
2 stops18h 20mBritish Airways
Mon 7/17:55 pmSOU - SEA
2 stops23h 40mBritish Airways
Deal found 6/10$2,660
Thu 6/207:40 pmSEA - SOU
2 stops29h 45mBritish Airways
Mon 7/17:55 pmSOU - SEA
2 stops23h 40mBritish Airways
Deal found 6/10$2,680
Fri 6/2111:49 amSEA - SOU
2 stops19h 56mBritish Airways
Sun 6/307:55 pmSOU - SEA
2 stops23h 40mBritish Airways
Deal found 6/10$3,942
Thu 6/201:30 pmSEA - SOU
2 stops21h 45mBritish Airways
Sun 6/308:45 amSOU - SEA
2 stops17h 00mBritish Airways
Deal found 6/10$3,962
Thu 6/201:30 pmSEA - SOU
2 stops21h 45mBritish Airways
Mon 7/19:40 amSOU - SEA
1 stop15h 21mBritish Airways
Deal found 6/10$4,670

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 3,117,830 searches. Data last updated June 11, 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.
Tue 11/56:45 pmSEA - SOU
2 stops16h 40mBritish Airways
Deal found 6/10$488
Mon 8/56:45 pmSEA - SOU
1 stop16h 45mBritish Airways
Deal found 6/11$525
Tue 8/66:00 amSEA - SOU
2 stops29h 30mBritish Airways
Deal found 6/11$529
Sun 8/46:10 pmSEA - SOU
1 stop14h 40mDelta
Deal found 6/11$551
Thu 8/86:45 pmSEA - SOU
1 stop16h 45mBritish Airways
Deal found 6/11$625
Mon 8/51:30 pmSEA - SOU
2 stops18h 30mBritish Airways
Deal found 6/11$659
Sun 8/410:02 amSEA - SOU
2 stops25h 28mBritish Airways
Deal found 6/11$677
Sat 8/36:10 pmSEA - SOU
1 stop14h 40mDelta
Deal found 6/11$721
Thu 8/87:20 amSEA - SOU
2 stops28h 10mBritish Airways
Deal found 6/11$729

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 3,117,830 searches. Data last updated June 11, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$694 - $1,597

Route

Depart

Return

Price

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Tue 10/1

2 stops17h 25m

Southampton Eastleigh

Wed 10/16

1 stop22h 55m

$694

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Tue 10/1

2 stops18h 55m

Southampton Eastleigh

Wed 10/16

2 stops24h 04m

$704

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Mon 9/2

2 stops37h 11m

Southampton Eastleigh

Sun 9/8

2 stops32h 37m

$811

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Mon 11/25

1 stop15h 40m

Southampton Eastleigh

Wed 12/4

1 stop17h 00m

$854

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Sun 11/24

2 stops16h 40m

Southampton Eastleigh

Wed 12/4

1 stop17h 00m

$875

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Mon 11/25

1 stop15h 40m

Southampton Eastleigh

Mon 12/9

2 stops28h 50m

$883

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Sun 11/24

2 stops16h 40m

Southampton Eastleigh

Thu 12/5

2 stops16h 05m

$904

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Mon 9/2

1 stop14h 40m

Southampton Eastleigh

Sun 9/8

1 stop22h 45m

$1,107

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Tue 10/1

3 stops28h 25m

Southampton Eastleigh

Wed 10/16

3 stops30h 30m

$1,597

Flights are sorted by cheapest first

Deals found on 6/10

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 June 9, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Southampton flight should consider departing on Wednesday at noon 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.
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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

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 June 11, 2024.
Read reviews from past customers who have flown Delta, KLM and British Airways 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
10,277 reviews

Food

7.4

Crew

8.6

Boarding

8.2

Entertainment

8.0

Overall

8.0

Comfort

7.9

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
10,277 reviews
Delta
8.0
Very good
10,277 reviews

Food

7.4

Crew

8.6

Boarding

8.2

Entertainment

8.0

Overall

8.0

Comfort

7.9

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
1,470 reviews
Delta
8.0
Very good
10,277 reviews

Food

7.4

Crew

8.6

Boarding

8.2

Entertainment

8.0

Overall

8.0

Comfort

7.9

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
6,743 reviews
Delta
8.0
Very good
10,277 reviews

Food

7.4

Crew

8.6

Boarding

8.2

Entertainment

8.0

Overall

8.0

Comfort

7.9

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 $700 on Cheapflights?

    Yes, there are multiple flights from Seattle to Southampton for under $700. The cheapest flight booked recently is on Delta for just $694, but on average you can expect to pay $900.

  • Are there last-minute flights available from Seattle to Southampton for under $1,300?

    There are currently 20+ open flights from Seattle to Southampton within the next 7 days for less than $1,300.

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

    Delta, at $694, was found to be the cheapest airline from Seattle to Southampton. An alternate airline flying to your destination would be British Airways. Delta is 29% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Seattle to Southampton one-way?

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at $488. Delta flights start at $551 while deals on KLM start at $1,265 one-way.

  • 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 6/10.

  • 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 $1,352). 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 3,117,830 searches. Data last updated June 11, 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$810Average$977FlexibilityNo cancel feeOn-time75%
DeltaCheapest$993Average$1,080FlexibilityNo cancel feeOn-timeN/A
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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.
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