$533 Cheap Flights from Las Vegas (LAS) to Southampton (SOU)

View $533 flight on Tue, Apr 21, 2026Opens in a new window

Popular airlines from Harry Reid Intl. Airport (LAS) to Southampton (SOU)

Cheap Flights from Las Vegas to Southampton (LAS-SOU)

Prices were available within the past 7 days and start at $533 for one-way flights and $791 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Tue, Dec 9 - Wed, Dec 24
LAS
Las Vegas
SOU
Southampton
$791 Roundtrip, found 4 days ago
$791
Roundtrip
found 4 days ago
Select Virgin Atlantic flight, departing Tue, Dec 9 from Las Vegas to Southampton, returning Wed, Dec 24, priced at $791 found 4 days ago
Virgin Atlantic
Wed, Dec 10 - Wed, Dec 24
LAS
Las Vegas
SOU
Southampton
$795 Roundtrip, found 5 days ago
$795
Roundtrip
found 5 days ago
Select Virgin Atlantic flight, departing Wed, Dec 10 from Las Vegas to Southampton, returning Wed, Dec 24, priced at $795 found 5 days ago
Virgin Atlantic
Sat, Dec 6 - Wed, Dec 24
LAS
Las Vegas
SOU
Southampton
$795 Roundtrip, found 4 days ago
$795
Roundtrip
found 4 days ago
Select Virgin Atlantic flight, departing Sat, Dec 6 from Las Vegas to Southampton, returning Wed, Dec 24, priced at $795 found 4 days ago
Virgin Atlantic
Tue, Jan 13 - Thu, Jan 29
LAS
Las Vegas
SOU
Southampton
$799 Roundtrip, found 3 days ago
$799
Roundtrip
found 3 days ago
Select Virgin Atlantic flight, departing Tue, Jan 13 from Las Vegas to Southampton, returning Thu, Jan 29, priced at $799 found 3 days ago
Virgin Atlantic
Thu, Nov 13 - Wed, Nov 19
LAS
Las Vegas
SOU
Southampton
$800 Roundtrip, found 2 days ago
$800
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Thu, Nov 13 from Las Vegas to Southampton, returning Wed, Nov 19, priced at $800 found 2 days ago
Virgin Atlantic
Tue, Dec 9 - Tue, Dec 23
LAS
Las Vegas
SOU
Southampton
$800 Roundtrip, found 5 days ago
$800
Roundtrip
found 5 days ago
Select Virgin Atlantic flight, departing Tue, Dec 9 from Las Vegas to Southampton, returning Tue, Dec 23, priced at $800 found 5 days ago
Delta
Sun, Dec 7 - Tue, Dec 23
LAS
Las Vegas
SOU
Southampton
$805 Roundtrip, found 4 days ago
$805
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Dec 7 from Las Vegas to Southampton, returning Tue, Dec 23, priced at $805 found 4 days ago
KLM
Wed, Dec 10 - Wed, Dec 24
LAS
Las Vegas
SOU
Southampton
$821 Roundtrip, found 4 days ago
$821
Roundtrip
found 4 days ago
Select KLM flight, departing Wed, Dec 10 from Las Vegas to Southampton, returning Wed, Dec 24, priced at $821 found 4 days ago
Aer Lingus
Tue, Apr 21 - Sat, May 2
LAS
Las Vegas
SOU
Southampton
$1,360 Roundtrip, just found
$1,360
Roundtrip
just found
Select Aer Lingus flight, departing Tue, Apr 21 from Las Vegas to Southampton, returning Sat, May 2, priced at $1,360 just found
British Airways
Tue, Apr 21 - Sat, May 2
LAS
Las Vegas
SOU
Southampton
$2,299 Roundtrip, just found
$2,299
Roundtrip
just found
Select British Airways flight, departing Tue, Apr 21 from Las Vegas to Southampton, returning Sat, May 2, priced at $2,299 just found
Flights from Las Vegas (LAS) to Southampton (SOU)
Origin airport
Harry Reid Intl.
Destination airport
Southampton
Airlines serving
Aer Lingus, British Airways, Delta, KLM, Virgin Atlantic
Roundtrip price
$790
Distance
5209 mi

Las Vegas to Southampton Flights

The cheapest times to fly from Las Vegas to Southampton

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Las Vegas to Southampton are during the month of December. You can find some of the cheapest flights from Las Vegas to Southampton with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Las Vegas to Southampton

Sunday is one of the best days to book for cheap flights from Las Vegas to Southampton: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Las Vegas to Southampton

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Las Vegas to Southampton in 2025. You can also book with separate airlines for your outbound and return journeys, from $533 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Las Vegas to Southampton flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Las Vegas to Southampton airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Harry Reid Intl. Airport (LAS) to Southampton Airport (SOU) cost?
Grab a cheap one-way flight from $533 or cheap return flight from $791 from Harry Reid Intl. Airport (LAS) to Southampton Airport (SOU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Harry Reid Intl. Airport (LAS) to Southampton Airport (SOU)?
December is the least expensive month to fly from LAS to SOU. Traveling outside of peak seasons is often the key to finding better deals on flights.
What is the cheapest airline that flies from Harry Reid Intl. Airport (LAS) to Southampton Airport (SOU)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from LAS to SOU. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Harry Reid Intl. Airport (LAS) to Southampton Airport (SOU)?
There aren't any daily direct flights departing from Harry Reid Intl. Airport (LAS) to Southampton Airport (SOU). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from LAS to SOU?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to Southampton Airport (SOU)?
To avoid possible delays on the Harry Reid Intl. Airport (LAS) to Southampton Airport (SOU) route, fly before 3 PM. Later flights have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Harry Reid Intl. Airport (LAS) to Southampton Airport (SOU) last-minute?
Last-minute bookings from LAS to SOU are generally more expensive. To lock in the best rates, start looking for flights well in advance. That being said, if your travel plans are flexible, you may score a cheap fare right before you leave.
Is it cheaper to book a LAS to SOU flight and hotel package?
Booking a LAS to SOU flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our extensive range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to Southampton Airport (SOU)?
It's usually possible to reschedule or cancel your LAS to SOU flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.