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Domestic route

Cheap flights from Las Vegas to St. Louis

Harry Reid International Airport (LAS) to St. Louis Lambert International Airport (STL). 1,368 miles, 3h 5m nonstop.

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LAS to STL 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 5mnonstop, gate to gate
Nonstop airlines
AADLWNB66 airlinesAmerican, Delta, Southwest
Nonstop flights per day
24all airlines combined
Cheapest month
January 2027over the next six months
Best day to fly
Tuesday19% less than Sunday
Time difference
2h aheadSt. Louis vs Las Vegas

Las Vegas to St. Louis

Round trips from $91

Per traveler, taxes and fees included. Lowest fare we found departs Tue, Jan 5.

Cheapest month: January 2027

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Las Vegas to St. Louis 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 Wed, Sep 30$126
  2. October 2026from Tue, Oct 6$107
  3. November 2026from Tue, Nov 3$108
  4. December 2026from Tue, Dec 1$106
  5. January 2027from Tue, Jan 5$91
  6. February 2027from Wed, Feb 3$95

Airlines flying Las Vegas to St. Louis

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 LAS to STL 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.
  • January 2027 is the cheapest month to fly over the next six months, with round trips from $91; September 2026 is the most expensive at $126 and up, a difference of $35 per traveler.
  • Departing on a Tuesday averages 19% less than a Sunday 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.
  • St. Louis is 2 hours ahead of Las Vegas. Expect to lose 2 hours on the clock heading east, so an overnight or late-afternoon departure tends to arrive at a more usable hour.
Flying the other way? St. Louis to Las VegasFares, airlines and tips for STL to LAS.

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Las Vegas to St. Louis: common questions

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

A nonstop flight from Las Vegas (LAS) to St. Louis (STL) takes about 3h 5m 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 LAS to STL?

American Airlines, Delta Air Lines, Southwest Airlines, JetBlue, Spirit Airlines and Frontier Airlines operate nonstop flights from Las Vegas (LAS) to St. Louis (STL), 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 Las Vegas to St. Louis?

Over the next six months, January 2027 has the lowest round-trip fares from Las Vegas (LAS) to St. Louis (STL), starting at $91 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.

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

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

Related routes

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