Cheap Flights From Lambert-St. Louis Intl. (STL) To Harry Reid Intl. (LAS)

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Cheapest Flights from St. Louis (STL) to Las Vegas (LAS)

The cheapest flights to Harry Reid Intl. found within the past 7 days were CA $448 round trip and CA $227 one way. Prices and availability subject to change. Additional terms may apply.

Sat, Sep. 20 - Sat, Sep. 27
STL
St. Louis
LAS
Las Vegas
CA $448 Roundtrip, found 2 days ago
CA $448
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Sep. 20 from St. Louis to Las Vegas, returning Sat, Sep. 27, priced at CA $448 found 2 days ago
Sat, Sep. 20 - Sat, Sep. 27
STL
St. Louis
LAS
Las Vegas
CA $480 Roundtrip, found 2 days ago
CA $480
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Sep. 20 from St. Louis to Las Vegas, returning Sat, Sep. 27, priced at CA $480 found 2 days ago
Sat, Sep. 20 - Sat, Sep. 27
STL
St. Louis
LAS
Las Vegas
CA $489 Roundtrip, found 2 days ago
CA $489
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Sep. 20 from St. Louis to Las Vegas, returning Sat, Sep. 27, priced at CA $489 found 2 days ago
Sat, Sep. 20 - Sat, Sep. 27
STL
St. Louis
LAS
Las Vegas
CA $507 Roundtrip, found 2 days ago
CA $507
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Sep. 20 from St. Louis to Las Vegas, returning Sat, Sep. 27, priced at CA $507 found 2 days ago
Sat, Sep. 20 - Sat, Sep. 27
STL
St. Louis
LAS
Las Vegas
CA $509 Roundtrip, found 2 days ago
CA $509
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Sep. 20 from St. Louis to Las Vegas, returning Sat, Sep. 27, priced at CA $509 found 2 days ago
Sat, Sep. 20 - Sat, Sep. 27
STL
St. Louis
LAS
Las Vegas
CA $529 Roundtrip, found 2 days ago
CA $529
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Sep. 20 from St. Louis to Las Vegas, returning Sat, Sep. 27, priced at CA $529 found 2 days ago
Sat, Sep. 20 - Sat, Sep. 27
STL
St. Louis
LAS
Las Vegas
CA $538 Roundtrip, found 2 days ago
CA $538
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Sep. 20 from St. Louis to Las Vegas, returning Sat, Sep. 27, priced at CA $538 found 2 days ago
Sat, Sep. 20 - Sat, Sep. 27
STL
St. Louis
LAS
Las Vegas
CA $550 Roundtrip, found 2 days ago
CA $550
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Sep. 20 from St. Louis to Las Vegas, returning Sat, Sep. 27, priced at CA $550 found 2 days ago
Sat, Sep. 20 - Sat, Sep. 27
STL
St. Louis
LAS
Las Vegas
CA $562 Roundtrip, found 2 days ago
CA $562
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Sep. 20 from St. Louis to Las Vegas, returning Sat, Sep. 27, priced at CA $562 found 2 days ago
Sat, Sep. 20 - Sat, Sep. 27
STL
St. Louis
LAS
Las Vegas
CA $563 Roundtrip, found 2 days ago
CA $563
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Sep. 20 from St. Louis to Las Vegas, returning Sat, Sep. 27, priced at CA $563 found 2 days ago

Frequently asked questions

Are there direct flights from Lambert-St. Louis Intl. Airport (STL) to LAS?
Southwest Airlines and Frontier Airlines are among the airlines that provide nonstop flights from STL to McCarran Intl. Airport (LAS). If you're itching to get to where you're headed fast, these are your best options.
What airlines fly from STL to McCarran Intl. Airport (LAS)?
With good range of airlines operating nonstop flights from Lambert Field to LAS, you'll easily find one that ticks all your boxes. Here are some of the most well-liked air carriers:

  • Southwest Airlines - (WN) with 95 flights every month
  • Frontier Airlines - (F9) with 43 flights every month
  • Spirit Airlines - (NK) with 30 flights every month
  • Sun Country Airlines - (SY) with 4 flights every month

What is the best day to buy a plane ticket?
Airfares offered on Friday tend to be the cheapest, according to flight demand on Travelocity.ca in 2021. Purchasing your airfares on a Thursday or Saturday can also provide better value, however our advice if you're looking to save money is to avoid booking on a Wednesday or Sunday. Our data shows that those two days have the highest ticket values on average, so keep this in mind if you're browsing flight deals.
What are the cheapest days to fly?
Frequent travellers may already know this, but earlier in the week is often the cheapest time to fly. Flights departing on a Monday are the cheapest of the week. Since flights towards the middle of the week tend to be more popular, this causes the prices to rise. This is why, on average, airfares booked on Travelocity.ca in 2021 were most expensive for Wednesday departures.
How far in advance can you book a flight?
Here's the deal: It is typically possible to start comparing international airfares on Travelocity.ca up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2-4 weeks prior to their travel dates.*According to flight demand on Travelocity.ca from January to December 2021. Savings are subject to change and may vary depending on selections made.

Popular Flight Routes from St. Louis (STL)

Travelers at STL love to visit these top cities. Roam to the top destinations from St. Louis (STL) today with the cheap prices from Travelocity!

Popular Flight Routes from Las Vegas (LAS)

Travelers at LAS love to visit these top cities. Roam to the top destinations from Las Vegas(LAS) today with the cheap prices from Travelocity!

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.