Cheap flights from Saint Louis to Las Vegas
Travel > North America > United States > Saint Louis to Las Vegas flights
Check our current prices for flights from Saint Louis to Las Vegas. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from Saint Louis to Las Vegas, you will need to run a search below.
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Cheap Las Vegas airfares from $171/RT are provided by Cheapoair.com. Outbound flight is leaving on 03/25/2025, 06:47 pm from St. Louis Intl (STL) airport and arrives at Las Vegas Mccarran (LAS) at 09:52 am. The flight time is 15 hours and 5 minutes. The Returning flight departes on 04/09/2025, 12:59 am (other return dates are also available). Date posted: 30 Jan 2025
Price evolution for flights From Saint Louis To Las Vegas

Recent Deals on Flights from Saint Louis to Las Vegas:Roundtrip / Oneway
- $171
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Saint Louis, MO (STL) Las Vegas, NV (LAS) 03/25/2025 06:47 pm Las Vegas, NV (LAS) Saint Louis, MO (STL) 04/09/2025 12:59 am - $199
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Saint Louis, MO (STL) Las Vegas, NV (LAS) 03/25/2025 05:24 pm Las Vegas, NV (LAS) Saint Louis, MO (STL) 04/09/2025 12:59 am - $336
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Saint Louis, MO (STL) Las Vegas, NV (LAS) 06/11/2025 09:49 pm Las Vegas, NV (LAS) Saint Louis, MO (STL) 06/17/2025 03:36 pm - $458
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Saint Louis, MO (STL) Las Vegas, NV (LAS) 03/12/2025 07:29 pm Las Vegas, NV (LAS) Saint Louis, MO (STL) 03/18/2025 05:01 am - $1879
Spirit Airlines
cheapoair.com check priceFrom To Departure Time Saint Louis, MO (STL) Las Vegas, NV (LAS) 03/12/2025 07:57 am Las Vegas, NV (LAS) Saint Louis, MO (STL) 03/18/2025 10:45 pm - $175
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Saint Louis, MO (STL) Las Vegas, NV (LAS) 03/11/2025 05:24 pm - $175
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Saint Louis, MO (STL) Las Vegas, NV (LAS) 04/16/2025 06:51 pm - $280
Spirit Airlines
cheapoair.com check priceFrom To Departure Time Saint Louis, MO (STL) Las Vegas, NV (LAS) 03/15/2025 10:24 am - $370
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Saint Louis, MO (STL) Las Vegas, NV (LAS) 03/15/2025 07:03 pm - $430
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Saint Louis, MO (STL) Las Vegas, NV (LAS) 03/22/2025 07:03 pm
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Know what to do when flying to Las Vegas?
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