$600 Cheap KLM flights Las Vegas (LAS) to Southampton (SOU)

View $600 flight on Wed, Aug 13, 2025Opens in a new window

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$600 Cheap KLM flights Las Vegas (LAS) to Southampton (SOU)

Prices were available within the past 7 days and start at $600 for one-way flights and $950 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Sun, Sep 7 - Fri, Sep 19
LAS
Las Vegas
SOU
Southampton
$950 Roundtrip, found 5 hours ago
$950
Roundtrip
found 5 hours ago
Select KLM flight, departing Sun, Sep 7 from Las Vegas to Southampton, returning Fri, Sep 19, priced at $950 found 5 hours ago
KLM
Sat, Aug 2 - Wed, Aug 20
LAS
Las Vegas
SOU
Southampton
$955 Roundtrip, found 5 days ago
$955
Roundtrip
found 5 days ago
Select KLM flight, departing Sat, Aug 2 from Las Vegas to Southampton, returning Wed, Aug 20, priced at $955 found 5 days ago
KLM
Sat, Sep 6 - Thu, Sep 25
LAS
Las Vegas
SOU
Southampton
$957 Roundtrip, found 5 hours ago
$957
Roundtrip
found 5 hours ago
Select KLM flight, departing Sat, Sep 6 from Las Vegas to Southampton, returning Thu, Sep 25, priced at $957 found 5 hours ago
KLM
Sat, Aug 16 - Wed, Sep 3
LAS
Las Vegas
SOU
Southampton
$959 Roundtrip, found 5 days ago
$959
Roundtrip
found 5 days ago
Select KLM flight, departing Sat, Aug 16 from Las Vegas to Southampton, returning Wed, Sep 3, priced at $959 found 5 days ago
KLM
Sat, Sep 20 - Tue, Oct 7
LAS
Las Vegas
SOU
Southampton
$962 Roundtrip, found 2 days ago
$962
Roundtrip
found 2 days ago
Select KLM flight, departing Sat, Sep 20 from Las Vegas to Southampton, returning Tue, Oct 7, priced at $962 found 2 days ago
KLM
Mon, Oct 13 - Thu, Oct 30
LAS
Las Vegas
SOU
Southampton
$971 Roundtrip, found 5 hours ago
$971
Roundtrip
found 5 hours ago
Select KLM flight, departing Mon, Oct 13 from Las Vegas to Southampton, returning Thu, Oct 30, priced at $971 found 5 hours ago
Flights from Las Vegas (LAS) to Southampton (SOU)
Origin airport
Harry Reid Intl.
Destination airport
Southampton
Airlines serving
Aer Lingus, Delta, KLM, Virgin Atlantic
Popular airline
Aer Lingus
Distance
5209 mi

Frequently asked questions

How much is a KLM flight from Harry Reid Intl. Airport (LAS) to Southampton Airport (SOU)?
You'll discover affordable return KLM flights from $950 from LAS to SOU by organizing your results from "Price (lowest to highest)" on Expedia. Or search for deals from $600 for a one-way journey.**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 LAS to SOU with KLM?
January is one of the least expensive months to travel to Southampton with KLM. You could also find great prices on return and one-way fares in February.
What is the cheapest time to book flights from Harry Reid Intl. Airport (LAS) to Southampton Airport (SOU) with KLM?
Look for KLM flights from LAS to SOU about one month before you want to go. The most affordable time to reserve an international flight is usually 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. No matter your fare class or itinerary, the best day to book international airfare is usually Sunday. Friday is often the most expensive. Travelers booking on a Sunday can save 17% on average compared to those who book on a Friday.**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 Harry Reid Intl. Airport (LAS) to Southampton Airport (SOU)?
Enter your dates, press search and check the "Nonstop" filter on Expedia to find any direct flights from LAS to SOU with KLM or other airlines.
What is the earliest KLM flight from LAS to SOU?
Sort your results by "Morning" and "Early Morning" to browse the earliest flights from LAS to SOU. Jetting 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 Harry Reid Intl. Airport (LAS) to Southampton, and you'll probably arrive at Southampton Airport (SOU). This is the airline's primary hub here.
Why fly with KLM from LAS to SOU?
A 4-star airline rating and the ability to rack up points through KLM Flying Blue are the start of the reasons to depart from LAS to SOU with KLM. Plus, when you sign up to Expedia's free One Key™ program, you can receive OneKeyCash™* in addition to KLM's loyalty program earnings. It's yours to use wherever your next trip takes you.*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 Harry Reid Intl. Airport (LAS) to Southampton Airport (SOU)?
You can usually cancel or change your flight, although there may be additional charges if you booked more than 24 hours ago. Prefer to keep your options open? Use Expedia's "No cancel fee" and "Changes included" filters to find flights that won't charge extra if you have to revise your plans. To modify your itinerary, visit "Trips," select your flight and click on "Manage Booking" for more details.

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