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Cheap flights from Southampton to Las Vegas from £621

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/9. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — LAS
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap 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 18 September 2025.

Round-trip from

£626

Popular in

August

Cheapest in

February

Average price

£604
Delta
  • Delta
  • 6/10-12/10
  • 4 total stops
  • 45h 10m total
  • Southampton to Las Vegas
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£52 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Southampton to Las Vegas

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 18 September 2025.

Thu 25/909:20SOU - LAS
1 stop17h 15mDelta
Mon 29/920:25LAS - SOU
1 stop12h 35mDelta
Deal found 17/9£621
Tue 7/1009:20SOU - LAS
2 stops19h 40mDelta
Sun 12/1021:50LAS - SOU
2 stops26h 55mDelta
Deal found 17/9£626
Fri 31/1008:40SOU - LAS
2 stops21h 40mDelta
Fri 7/1109:40LAS - SOU
2 stops23h 20mDelta
Deal found 16/9£654
Sat 1/1109:25SOU - LAS
2 stops19h 55mDelta
Sat 8/1110:52LAS - SOU
2 stops22h 33mDelta
Deal found 17/9£656
Mon 6/1009:20SOU - LAS
2 stops22h 56mDelta
Sun 12/1013:57LAS - SOU
2 stops19h 03mDelta
Deal found 17/9£692
Sat 1/1109:30SOU - LAS
1 stop16h 20mAer Lingus
Sat 8/1119:35LAS - SOU
1 stop16h 05mAer Lingus
Deal found 17/9£733
Sat 1/1109:30SOU - LAS
2 stops20h 36mMultiple Airlines
Sat 8/1119:35LAS - SOU
1 stop16h 05mMultiple Airlines
Deal found 17/9£778
Fri 31/1017:30SOU - LAS
1 stop28h 45mKLM
Fri 7/1107:10LAS - SOU
2 stops17h 40mKLM
Deal found 16/9£802
Sun 5/1009:20SOU - LAS
2 stops19h 08mDelta
Sun 12/1021:50LAS - SOU
2 stops26h 55mDelta
Deal found 17/9£808
Wed 8/1009:20SOU - LAS
1 stop17h 15mDelta
Sun 12/1013:57LAS - SOU
2 stops19h 03mDelta
Deal found 17/9£841
Fri 31/1017:30SOU - LAS
3 stops32h 16mMultiple Airlines
Fri 7/1107:00LAS - SOU
3 stops23h 50mMultiple Airlines
Deal found 16/9£853

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 18 September 2025.
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 6/10

09:20-19:35

2 stops18h 15m

Las Vegas Harry Reid Intl

Sun 12/10

21:50-08:45

2 stops26h 55m

£626

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Tue 7/10

09:20-20:13

2 stops18h 53m

Las Vegas Harry Reid Intl

Sun 12/10

21:50-08:45

2 stops26h 55m

£626

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Wed 8/10

09:20-22:30

2 stops21h 10m

Las Vegas Harry Reid Intl

Sun 12/10

21:50-08:45

2 stops26h 55m

£626

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Thu 22/1

09:00-20:28

2 stops19h 28m

Las Vegas Harry Reid Intl

Sun 25/1

23:36-08:50

2 stops25h 14m

£632

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Thu 22/1

09:30-17:50

1 stop16h 20m

Las Vegas Harry Reid Intl

Sun 25/1

20:55-11:55

2 stops31h 00m

£645

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Fri 31/10

08:40-23:20

2 stops21h 40m

Las Vegas Harry Reid Intl

Fri 7/11

09:40-17:00

2 stops23h 20m

£654

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Sat 1/11

09:25-22:20

2 stops19h 55m

Las Vegas Harry Reid Intl

Sat 8/11

07:00-08:50

2 stops17h 50m

£656

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Sat 1/11

09:25-22:20

2 stops19h 55m

Las Vegas Harry Reid Intl

Sat 8/11

10:52-17:25

2 stops22h 33m

£656

Flights are sorted by cheapest return flights first.

Deals found on 17/9

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, January is the cheapest month in which you can book a flight from Southampton to Las Vegas (average of £689). Flying from Southampton to Las Vegas in July is currently the most expensive (average of £1,020). 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 18h 15m. 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, January is the cheapest month in which you can book a flight from Southampton to Las Vegas (average of £689). Flying from Southampton to Las Vegas in July is currently the most expensive (average of £1,020). 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
Kingman
Henderson
Paradise

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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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