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Cheap flights from Southampton to Las Vegas from £378

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 28/5. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — LAS
3 Mar — 10 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Las Vegas

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to Las Vegas
Explore the most affordable flight options available from Southampton to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 February 2026.

Mon 16/317:40
SOU
-
LAS
1 stop28h 35m
KLM
Mon 23/307:00
LAS
-
SOU
2 stops18h 20m
KLM
Deal found 30/1£743
Thu 21/509:05
SOU
-
LAS
1 stop17h 30m
KLM
Sun 24/520:25
LAS
-
SOU
1 stop12h 25m
KLM
Deal found 31/1£880
Sat 21/209:25
SOU
-
LAS
2 stops20h 43m
Delta
Thu 26/207:03
LAS
-
SOU
2 stops17h 17m
Delta
Deal found 31/1£881
Thu 21/509:05
SOU
-
LAS
2 stops22h 05m
Delta
Sun 24/520:25
LAS
-
SOU
1 stop12h 25m
Delta
Deal found 31/1£891
Sat 21/209:25
SOU
-
LAS
2 stops19h 12m
Delta
Fri 27/206:05
LAS
-
SOU
2 stops18h 45m
Delta
Deal found 31/1£911
Thu 21/509:05
SOU
-
LAS
2 stops22h 52m
Virgin Atlantic
Sun 24/506:00
LAS
-
SOU
2 stops42h 35m
Virgin Atlantic
Deal found 31/1£919
Fri 20/209:00
SOU
-
LAS
2 stops17h 23m
Delta
Thu 26/216:05
LAS
-
SOU
1 stop16h 55m
Delta
Deal found 31/1£924
Fri 20/209:00
SOU
-
LAS
2 stops21h 29m
Delta
Fri 27/206:15
LAS
-
SOU
2 stops18h 35m
Delta
Deal found 31/1£954
Mon 16/317:40
SOU
-
LAS
3 stops34h 53m
Multiple Airlines
Mon 23/312:40
LAS
-
SOU
2 stops19h 55m
Multiple Airlines
Deal found 30/1£981
Sat 21/209:30
SOU
-
LAS
1 stop16h 20m
British Airways
Thu 26/219:35
LAS
-
SOU
1 stop16h 05m
British Airways
Deal found 31/1£1,027
Thu 5/209:30
SOU
-
LAS
1 stop16h 20m
British Airways
Mon 9/220:55
LAS
-
SOU
2 stops27h 15m
British Airways
Deal found 31/1£1,271

Find flight deals from Southampton to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Las Vegas (LAS). 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 1 February 2026.

Round-trip from

£743

One-way from

£378

Popular in

July

Cheapest in

February

Average price

£518
KLM
  • KLM
  • 16/3-23/3
  • 3 total stops
  • 46h 55m total
  • Southampton to Las Vegas
Search Deals
28/5
  • 28/5
  • 3 total stops
  • 33h 40m total
  • Southampton to Las Vegas
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£54 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Las Vegas 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 858,174 searches. Data last updated 1 February 2026.
Use the filters below to find and compare flights from Southampton to Las Vegas that are best for you.

Fly from

Southampton

Fly to

Las Vegas

Route

Depart

Return

Price

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Mon 16/3

17:40-15:15

1 stop28h 35m

Las Vegas Harry Reid Intl

Mon 23/3

07:00-08:20

2 stops18h 20m

£743

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Thu 21/5

09:05-18:35

1 stop17h 30m

Las Vegas Harry Reid Intl

Sun 24/5

20:25-16:50

1 stop12h 25m

£880

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Sat 21/2

09:25-22:08

2 stops20h 43m

Las Vegas Harry Reid Intl

Thu 26/2

07:03-08:20

2 stops17h 17m

£881

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Thu 21/5

09:05-23:10

2 stops22h 05m

Las Vegas Harry Reid Intl

Sun 24/5

20:25-16:50

1 stop12h 25m

£891

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Sat 21/2

09:25-20:37

2 stops19h 12m

Las Vegas Harry Reid Intl

Fri 27/2

06:05-08:50

2 stops18h 45m

£911

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Thu 21/5

09:05-23:57

2 stops22h 52m

Las Vegas Harry Reid Intl

Sun 24/5

06:00-08:35

2 stops42h 35m

£919

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Fri 20/2

09:00-18:23

2 stops17h 23m

Las Vegas Harry Reid Intl

Thu 26/2

16:05-17:00

1 stop16h 55m

£924

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Mon 16/3

17:40-21:33

3 stops34h 53m

Las Vegas Harry Reid Intl

Mon 23/3

12:40-15:35

2 stops19h 55m

£981

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Sat 21/2

09:30-17:50

1 stop16h 20m

Las Vegas Harry Reid Intl

Thu 26/2

19:35-19:40

1 stop16h 05m

£1,027

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Thu 28/5

20:00-21:40

3 stops33h 40m

£378

Flights are sorted by cheapest return flights first.

Deals found on 31/1

Showing 1-10 of 21 results
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Best time to book a flight from Southampton to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Southampton with our price prediction graph.
Estimated return 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.

Cheapflights Insights

Everything you need to know about your flight from Southampton to Las Vegas

What is the cheapest month to book a flight from Southampton to Las Vegas?

Currently, March is the cheapest month in which you can book a flight from Southampton to Las Vegas (average of £302). Flying from Southampton to Las Vegas in August is currently the most expensive (average of £509). 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.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Southampton to Las Vegas?

    Departing from Southampton to Las Vegas will take you 20h 43m. There are 5206 mi between Southampton and Las Vegas. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Southampton to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Southampton to Las Vegas flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southampton to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Las Vegas.

  • Can I find deals for business class flights from Southampton to Las Vegas?

    Yes. Cheapflights offers flight deals from Southampton to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Southampton to Las Vegas?

    Currently, March is the cheapest month in which you can book a flight from Southampton to Las Vegas (average of £302). Flying from Southampton to Las Vegas in August is currently the most expensive (average of £509). 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.

See more FAQs

Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Furnace Creek
Henderson
Kingman

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How does Cheapflights help users find flights from Southampton to Las Vegas?

Cheapflights helps you search for flights from Southampton to Las Vegas 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 Southampton to Las Vegas?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Las Vegas from Southampton.

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

Yes, we can. To see specific flights from Southampton to Las Vegas with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Southampton to Las Vegas become cheaper?

Yes! Start tracking prices for Southampton to Las Vegas flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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