$539 Cheap KLM flights San Diego (SAN) to Southampton (SOU)

View $539 flight on Tue, Aug 12, 2025Opens in a new window

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$539 Cheap KLM flights San Diego (SAN) to Southampton (SOU)

Prices were available within the past 7 days and start at $539 for one-way flights and $918 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Mon, Aug 11 - Tue, Aug 19
SAN
San Diego
SOU
Southampton
$918 Roundtrip, found 4 days ago
$918
Roundtrip
found 4 days ago
Select KLM flight, departing Mon, Aug 11 from San Diego to Southampton, returning Tue, Aug 19, priced at $918 found 4 days ago
KLM
Sun, Aug 17 - Fri, Aug 22
SAN
San Diego
SOU
Southampton
$1,016 Roundtrip, found 12 hours ago
$1,016
Roundtrip
found 12 hours ago
Select KLM flight, departing Sun, Aug 17 from San Diego to Southampton, returning Fri, Aug 22, priced at $1,016 found 12 hours ago
KLM
Sun, Aug 17 - Fri, Aug 22
SAN
San Diego
SOU
Southampton
$1,022 Roundtrip, found 12 hours ago
$1,022
Roundtrip
found 12 hours ago
Select KLM flight, departing Sun, Aug 17 from San Diego to Southampton, returning Fri, Aug 22, priced at $1,022 found 12 hours ago
Flights from San Diego (SAN) to Southampton (SOU)
Origin airport
San Diego Intl.
Destination airport
Southampton
Airlines serving
Aer Lingus, Delta, KLM, Virgin Atlantic
Popular airline
Aer Lingus
Distance
5465 mi

Frequently asked questions

How much is a KLM flight from San Diego Intl. Airport (SAN) to Southampton Airport (SOU)?
Set the "Price (lowest to highest)" filter on Expedia to search for cheap KLM return flights from $918 from SAN to SOU. Affordable one-way fares from $539 are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SAN to SOU with KLM?
January is one of the least expensive months to jet off to Southampton with KLM. You could also find fantastic deals on one-way and return fares in February.
What is the cheapest time to book flights from San Diego Intl. Airport (SAN) to Southampton Airport (SOU) with KLM?
To find affordable flights from SAN to SOU with KLM, start searching about one month before your planned departure. You can save 17% when you lock in your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another useful tip? Booking on Sunday can lead to average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does KLM fly nonstop from San Diego Intl. Airport (SAN) to Southampton Airport (SOU)?
Fill in your dates, press search and check the "Nonstop" filter on Expedia to find any direct flights from SAN to SOU with KLM or other airlines.
What is the earliest KLM flight from SAN to SOU?
Sort your results by "Early Morning" and "Morning" to find the earliest flights from SAN to SOU. Taking off early means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does KLM fly into in Southampton?
Catch a KLM flight from San Diego Intl. Airport (SAN) to Southampton, and you'll likely arrive at Southampton Airport (SOU). This is the airline's primary hub in this city.
Why fly with KLM from SAN to SOU?
A 4-star airline rating and the chance to rack up points through KLM Flying Blue are the start of the reasons to leave from SAN to SOU with KLM. Plus, when you join our One Key™ program, you can earn OneKeyCash™* on top of any airline loyalty program earnings. It's yours to spend on your next adventure.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my KLM flight from San Diego Intl. Airport (SAN) to Southampton Airport (SOU)?
Depending on the type of fare you purchased, a fee generally applies if you change or cancel your flight more than 24 hours after confirmation. To secure plane tickets with more flexibility, select our "Changes included" or "No cancel fee" filter while searching for flights. For more information on changing or canceling your reservation, visit "Trips," select your flight and click on "Manage Booking."

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