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Cheap flights from St. Louis to Las Vegas from £86

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 16/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LAS
23 Dec — 30 Dec1
1 adult

Cheap flight deals from St. Louis to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) 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 December 2024.

Round-trip from

£135

One-way from

£86

Popular in

December

Cheapest in

April

Average price

£261
Frontier
  • Frontier
  • 17/1-19/1
  • 1 total stop
  • 27h 07m total
  • St. Louis to Las Vegas
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Delta
  • Delta
  • 16/2
  • 1 total stop
  • 8h 53m total
  • St. Louis to Las Vegas
Search Deals
High demand for flights, 20% potential price rise
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Best time to find cheap flights, 3% potential price drop
Search Deals
Average for round-trip flights in December 2024
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Find flight deals from St. Louis to Las Vegas

Cheapest flights from St. Louis to Las Vegas
Explore the most affordable flight options available from St. Louis to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2024.

Tue 31/1216:43STL - LAS
1 stop5h 59mUnited Airlines
Mon 6/100:59LAS - STL
1 stop6h 56mUnited Airlines
Deal found 16/12£246
Tue 24/1211:46STL - LAS
1 stop7h 52mDelta
Wed 25/1212:24LAS - STL
1 stop7h 42mDelta
Deal found 17/12£321
Tue 31/1214:05STL - LAS
1 stop6h 05mSouthwest
Tue 7/110:45LAS - STL
Nonstop3h 10mSouthwest
Deal found 16/12£334
Wed 25/1213:45STL - LAS
2 stops12h 14mAlaska Airlines
Sat 11/108:00LAS - STL
2 stops13h 57mAlaska Airlines
Deal found 17/12£486

Find flights from St. Louis to Las Vegas within your budget

Customise your flight search to find flights from St. Louis 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 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Fri 17/1

19:09-16:55

1 stop23h 46m

Las Vegas Harry Reid Intl

Sun 19/1

14:10-19:31

Nonstop3h 21m

£135

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Tue 28/1

14:49-21:00

1 stop8h 11m

Las Vegas Harry Reid Intl

Fri 31/1

14:00-23:59

1 stop7h 59m

£164

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Sat 1/2

06:00-10:53

1 stop6h 53m

Las Vegas Harry Reid Intl

Fri 7/2

00:55-10:54

1 stop7h 59m

£172

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Tue 4/2

17:50-19:40

Nonstop3h 50m

Las Vegas Harry Reid Intl

Sat 8/2

05:30-10:30

Nonstop3h 00m

£180

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Thu 6/2

07:00-12:48

1 stop7h 48m

Las Vegas Harry Reid Intl

Sat 8/2

00:59-09:55

1 stop6h 56m

£220

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Fri 17/1

12:15-15:00

2 stops28h 45m

Las Vegas Harry Reid Intl

Sun 19/1

23:55-11:30

3 stops33h 35m

£257

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Thu 16/1

11:38-19:31

2 stops9h 53m

Las Vegas Harry Reid Intl

Thu 16/1

00:59-10:48

1 stop7h 49m

£338

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Sun 16/2

06:00-12:53

1 stop8h 53m

£86

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Sun 2/2

14:49-16:53

2 stops28h 04m

£117

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Sun 16/2

09:00-20:16

2 stops13h 16m

£164

Flights are sorted by cheapest return flights first.

Deals found on 18/12

Showing 1-10 of 11 results
1
2

Best time to book a flight from St. Louis to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from St. Louis 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.

Travel insights for flights from St. Louis to Las Vegas

Get recent, data-driven insights about flights from St. Louis to Las Vegas including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from St. Louis to Las Vegas?

Use this chart to determine the optimal time to book a return flight from St. Louis to Las Vegas. Price data was last updated on 13 December 2024.

The price you pay for your flight from St. Louis to Las Vegas may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from St. Louis to Las Vegas?

Currently, February is the cheapest month in which you can book a flight from St. Louis to Las Vegas (average of £607). Flying from St. Louis to Las Vegas in August is currently the most expensive (average of £989). 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.

What is the cheapest time of day to fly from STL to LAS?

Find hourly flight availability from St. Louis to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 December 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Las Vegas as you normally would.

Rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Las Vegas ranges from 3.0 - 20.0 inches per month. February is typically the wettest month, when rainfall can reach 20.0 mm. May is typically the driest time to visit Las Vegas when rainfall is around 3.0 mm.

Temperature in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 34.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated 18 December 2024.
Get a feel of what it's like to fly with United Airlines, Southwest and Alaska Airlines from St. Louis to Las Vegas by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very Good
4,848 reviews
Check prices

Comfort

8.1

Entertainment

7.7

Crew

8.7

Food

7.2

Boarding

8.2

Overall

8.1

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Southwest
8.1
Very Good
4,848 reviews
Southwest
8.1
Very Good
4,848 reviews
Check prices

Comfort

8.1

Entertainment

7.7

Crew

8.7

Food

7.2

Boarding

8.2

Overall

8.1

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Alaska Airlines
8.0
Very Good
9,552 reviews
Southwest
8.1
Very Good
4,848 reviews
Check prices

Comfort

8.1

Entertainment

7.7

Crew

8.7

Food

7.2

Boarding

8.2

Overall

8.1

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Delta
8.0
Very Good
8,604 reviews
Southwest
8.1
Very Good
4,848 reviews
Check prices

Comfort

8.1

Entertainment

7.7

Crew

8.7

Food

7.2

Boarding

8.2

Overall

8.1

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

United Airlines
7.4
Good
9,059 reviews
Southwest
8.1
Very Good
4,848 reviews
Check prices

Comfort

8.1

Entertainment

7.7

Crew

8.7

Food

7.2

Boarding

8.2

Overall

8.1

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Frontier
6.1
Okay
3,479 reviews
Southwest
8.1
Very Good
4,848 reviews
Check prices

Comfort

8.1

Entertainment

7.7

Crew

8.7

Food

7.2

Boarding

8.2

Overall

8.1

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Related info for your journey

Find useful and relevant information for your journey from St. Louis 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 popular is this St. Louis to Las Vegas flight route?

    This flight path from Lambert-St Louis to Las Vegas Harry Reid Intl was viewed by 6 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from St. Louis to Las Vegas round-trip?

    Cheapflights users have booked flights from St. Louis to Las Vegas round-trip from £135. Other airlines that can offer you cheap pricing are Alaska Airlines, from £164, and United Airlines, from £172. Frontier is priced at 29% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from St. Louis to Las Vegas one-way?

    The cheapet airlines for a one-way flight from St. Louis to Las Vegas are Delta (£86), Alaska Airlines (£117), and United Airlines (£164).

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

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

  • How can I find direct flights from St. Louis to Las Vegas?

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

  • Can I find deals for business class flights from St. Louis to Las Vegas?

    Yes. Cheapflights offers flight deals from St. Louis 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 St. Louis to Las Vegas?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Las Vegas (average of £607). Flying from St. Louis to Las Vegas in August is currently the most expensive (average of £989). 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.

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