Route guide
Cheap Flights from Las Vegas to St. Louis: Book Airline Tickets
- Distance
- about 1,370 mi
- Typical flight time
- 3 h – 4 h
- Airports
- 1 × 1
- Time difference
- 2 h ahead

This page covers the practical side of flying between Las Vegas and St. Louis: which airports to compare, how long the trip takes, and when it is busy. It works for either direction. For a price on your dates, ask a specialist.
Quick answer: Las Vegas to St. Louis is about 1,370 miles (2,200 km) and a typical flight takes 3 h to 4 h. St. Louis is 2 hours ahead of Las Vegas. Las Vegas has 1 airport to compare and St. Louis has 1.
Airport pairs to compare
Las Vegas has one major airport, and it is only a short drive from the Strip, which keeps the ground leg of a trip simple. St. Louis has one main airport with a light rail link to downtown.
| Pair | Departure airport | Arrival airport |
|---|---|---|
| LAS to STL | Harry Reid International | St. Louis Lambert International |
About the airports
- LAS · Harry Reid International
A short drive from the Strip, so the airport-to-hotel leg is quick compared with most big cities. - STL · St. Louis Lambert International
The main airport, northwest of downtown and linked to the city by MetroLink light rail.
Airlines with a major base at either end
- At Las Vegas: Southwest Airlines
Airlines with a base at one end often connect through their hub. A specialist can compare nonstop and connecting options on your dates.
When to go and what to expect
Las Vegas
Spring and fall are the most comfortable. Summer highs regularly pass 100°F, and winter evenings can be cool. Prices rise around major conventions, big sporting events and holiday weekends.
St. Louis
Spring and fall are the most comfortable seasons. Summers are hot and humid, and winter can bring snow and ice.
How long is Las Vegas to St. Louis?
At about 1,370 miles, Las Vegas to St. Louis is a short-to-medium flight. Fares on routes this length are sensitive to the day of the week and the time of day, so check a few departure times before you settle.
Time zones and timing
St. Louis is 2 hours ahead of Las Vegas, so you land at a local time 2 hours later than departure time plus flight time would suggest. Plan your arrival day around local time at the destination.
Getting between the airport and town
Las Vegas: Taxis, ride-hail and shuttles run constantly between the airport and the Strip.
St. Louis: MetroLink light rail runs from the airport to downtown St. Louis. Taxis, ride-hail and rental cars are also available.
Planning ground transport too? See our car rental guide.
Good to know
- Weekend flights are often busier, so a midweek departure can change the price picture. Ask about event dates before you lock in travel.
- Winter storms and summer thunderstorms are the usual causes of delays, so leave extra connection time in those seasons.
- Compare the total with bags included, not just the base fare. See baggage fees and taxes and fees.
Flying St. Louis to Las Vegas?
This route guide works in both directions. For other trips, see all flights from Las Vegas or all flights from St. Louis.
Frequently asked questions
How far is Las Vegas from St. Louis?
The straight-line distance between the main airports is about 1,370 miles (2,200 km). Routes can be longer in practice because of air traffic and weather.
How long is a flight from Las Vegas to St. Louis?
A typical scheduled flight takes roughly 3 h to 4 h in the air, depending on winds, the aircraft and the airports. Connecting itineraries take longer, and nonstop availability depends on the airline and dates.
Which airports can I use?
At Las Vegas: LAS (Harry Reid International). At St. Louis: STL (St. Louis Lambert International). Ask for prices on more than one pairing.
Is there a time difference?
St. Louis is 2 hours ahead of Las Vegas.
When is the best time to fly from Las Vegas to St. Louis?
In Las Vegas: Spring and fall are the most comfortable. Summer highs regularly pass 100°F, and winter evenings can be cool. Prices rise around major conventions, big sporting events and holiday weekends. In St. Louis: Spring and fall are the most comfortable seasons. Summers are hot and humid, and winter can bring snow and ice. Fares are usually highest in the busy periods described for each city, so flexible dates can help.
Which airlines should I compare for Las Vegas to St. Louis?
Airlines with a major base at either end include Southwest Airlines. A specialist compares them with other carriers on your dates, since schedules and availability change.
Do you show fares on this page?
No. Fares change constantly, so we do not publish prices that might be out of date. A specialist checks live availability and confirms the full total, including taxes and bags, before you pay.
Route details updated October 18, 2026.