Skip to main content
Air1Tickets

Domestic route

Cheap flights from St. Louis to Las Vegas

St. Louis Lambert International Airport (STL) to Harry Reid International Airport (LAS). 1,368 miles, 3h 25m nonstop.

Depart
Return
Travelers

We check every airline and reply with your price, including the last-minute deals that never reach public search.

STL to LAS at a glance

Computed from airline schedules and the fares we track for this route. Refreshed several times a day.

Distance
1,368 milesgreat-circle
Typical flight time
3h 25mnonstop, gate to gate
Nonstop airlines
AADLWNB66 airlinesAmerican, Delta, Southwest
Nonstop flights per day
24all airlines combined
Cheapest month
October 2026over the next six months
Best day to fly
Tuesday18% less than Friday
Time difference
2h behindLas Vegas vs St. Louis

St. Louis to Las Vegas

Round trips from $105

Per traveler, taxes and fees included. Lowest fare we found departs Wed, Oct 14.

Cheapest month: October 2026

See fares on these dates

Lock any fare free — pay only when you accept your last-minute deal

Or ask an agent on WhatsApp

St. Louis to Las Vegas fares by month

Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.

  1. September 2026from Tue, Sep 29$133
  2. October 2026from Wed, Oct 14$105
  3. November 2026from Wed, Nov 18$107
  4. December 2026from Tue, Dec 8$110
  5. January 2027from Wed, Jan 13$117
  6. February 2027from Tue, Feb 23$113

Airlines flying St. Louis to Las Vegas

6 airlines fly nonstop with 24 departures a day combined, plus 3 more with one stop.

Connecting options

Hubs where one airline can carry you on both legs, most choices first.

Tips for this route

  • American, Delta, Southwest and JetBlue all fly STL to LAS nonstop, so compare the total with bags before picking the lowest base fare: the difference between a basic and a standard economy ticket is often less than one checked bag each way.
  • October 2026 is the cheapest month to fly over the next six months, with round trips from $105; September 2026 is the most expensive at $133 and up, a difference of $28 per traveler.
  • Departing on a Tuesday averages 18% less than a Friday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
  • Fares on this route are usually lowest 4 to 8 weeks before departure and rise sharply inside two weeks.
  • Las Vegas is 2 hours behind St. Louis. A morning departure lands in Las Vegas with most of the day left; an evening flight arrives close to local dinner time.

Destination guide

Las Vegas: The Strip, the shows and the desert beyond

Las Vegas has more nonstop routes than almost any US leisure destination, which keeps fares low from every region. Harry Reid International sits a five-minute drive from the Strip, and midweek trips can be remarkably cheap.

Best time to visit: March–May and October–November are warm without the 105°F summer afternoons. Weekday arrivals (Sunday–Thursday) are far cheaper than Friday and Saturday.

Flying the other way? Las Vegas to St. LouisFares, airlines and tips for LAS to STL.

Ready to compare live fares?

See every airline on STL–LAS side by side with bags and seat rules spelled out.

Search St. Louis to Las Vegas

St. Louis to Las Vegas: common questions

How long is the flight from St. Louis to Las Vegas?

A nonstop flight from St. Louis (STL) to Las Vegas (LAS) takes about 3h 25m gate to gate, covering 1,368 miles. Connecting itineraries add the layover, typically 1 to 3 hours more in total.

Which airlines fly nonstop from STL to LAS?

American Airlines, Delta Air Lines, Southwest Airlines, JetBlue, Spirit Airlines and Frontier Airlines operate nonstop flights from St. Louis (STL) to Las Vegas (LAS), with 24 nonstop departures a day between them. One-stop options connect through SFO, LAX and ORD.

What is the cheapest month to fly from St. Louis to Las Vegas?

Over the next six months, October 2026 has the lowest round-trip fares from St. Louis (STL) to Las Vegas (LAS), starting at $105 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.

How far in advance should I book St. Louis to Las Vegas flights?

Fares on this route are usually lowest 4 to 8 weeks before departure and rise sharply inside two weeks. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.

What is the time difference between St. Louis and Las Vegas?

Las Vegas is 2 hours behind St. Louis. STL is on America/Chicago time and LAS on America/Los Angeles time. Departure and arrival times in search results are always shown in local time at each airport.

Related routes

Other popular city pairs from the same departure city and to the same destination, with the lowest round-trip fares we found.

More flights from St. Louis

All routes

More flights to Las Vegas

All routes
Call nowWhatsApp