Cheap flights from Las Vegas to St. Louis (LAS - STL)

LAS — STL
Aug 14 — Aug 212

The best prices from Las Vegas Harry Reid Intl to Lambert-St Louis are usually found in August or September, booked 36 days in advance, depart on a Saturday or Tuesday and return on a Sunday

How to find the cheapest flight from Las Vegas (LAS) to St. Louis (STL)

All the information you need to plan the best LAS to STL flight in 2022: compare Las Vegas to St. Louis flight prices with the expected peak season, weather and rainfall in St. Louis.

LAS - STL

Price

$84 - $240

STL

Temperature

32 - 80.6 °F

STL

Rainfall

2.2 - 4.7 inches

Popular inJuneHigh demand for flights, 41% potential price rise
Cheapest inAugustBest time to find cheap flights, 40% potential price drop
Round-trip from$84From Las Vegas Harry Reid Intl to Lambert-St Louis
One-way from$82One-way flight from Las Vegas Harry Reid Intl to Lambert-St Louis

What is the cheapest day to fly round-trip from Las Vegas to St. Louis?

Leaving on a Friday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 51% on the overall cost on flights from Las Vegas to St. Louis.

How far in advance should I book a flight from Las Vegas to St. Louis?

To save up to 24% on this flight, we recommend booking at least 36 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Las Vegas to St. Louis from $149 1-2 weeks out and tickets from $198 for flights departing within the next 72 hours.

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

August can be a great time to fly to St. Louis from Las Vegas with a flight ticket averaging about $141. Cheapflights users have found deals in the month of August for as cheap as $77. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from Las Vegas to St. Louis (LAS - STL)?

One of the essential ways to save on airfare from Las Vegas to St. Louis is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 25% on airfare.

Cheap flights from Las Vegas to St. Louis in August, September 2022

The best prices found for LAS to STL flights for August, September
Sep 9 - Sep 21
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 09m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 37m
$75

Spirit Airlines

Pick Dates

Deal found 8/9/22

Aug 30 - Sep 3
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 23m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 25m
$78

Multiple Airlines

Pick Dates

Deal found 8/7/22

Aug 31 - Sep 4
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 19m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 38m
$79

Frontier

Pick Dates

Deal found 8/7/22

Las Vegas to St. Louis 2022 flight deals

Cheap flights to St. Louis from Las Vegas found for this year
Sep 9 - Sep 21
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 09m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 37m
$75

Spirit Airlines

Pick Dates

Deal found 8/9/22

Aug 30 - Sep 3
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 23m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 25m
$78

Multiple Airlines

Pick Dates

Deal found 8/7/22

Aug 31 - Sep 4
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 19m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 38m
$79

Frontier

Pick Dates

Deal found 8/7/22

Cheap Frontier flights from Las Vegas to St. Louis

Aug 31 - Sep 4
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 19m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 38m
$79

Frontier

Pick Dates

Deal found 8/6/22

Aug 19 - Aug 21
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 19m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 38m
$95

Frontier

Pick Dates

Deal found 8/8/22

Sep 16 - Sep 19
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 18m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 43m
$99

Frontier

Pick Dates

Deal found 8/7/22

  • One of the most popular airlines traveling from Las Vegas to St. Louis is Frontier. Flights from Frontier traveling this route typically cost $141.48 RT. This price is typically 56% cheaper than other airlines that offer Las Vegas to St. Louis flights. When booking this route, the cheapest RT price found was $64. Las Vegas Harry Reid Intl Airport is the most common Las Vegas airport to take off from when flying to St. Louis. Lambert-St Louis Airport is the most popular arrival airport in St. Louis. When flying from Las Vegas to St. Louis, Frontier flights are 13% more popular than any other airline flying that same route.

Cheap American Airlines flights from Las Vegas to St. Louis

Aug 18 - Aug 22
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

1 stop

7h 18m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

1 stop

5h 52m
$324

American Airlines

Pick Dates

Deal found 8/8/22

Aug 19 - Aug 23
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

2 stops

7h 41m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

1 stop

7h 53m
$329

American Airlines

Pick Dates

Deal found 8/8/22

Aug 19 - Aug 22
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

2 stops

7h 41m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

1 stop

7h 48m
$330

American Airlines

Pick Dates

Deal found 8/8/22

  • If you’re traveling from Las Vegas to St. Louis, one of the more common airlines traveling that route is American Airlines. Flights from American Airlines traveling this route typically cost $176.17 RT. This price is typically 184% more expensive than other airlines that offer Las Vegas to St. Louis flights. When booking this route, the cheapest RT price found was $66. The most popular departure airport in Las Vegas when flying to St. Louis is Las Vegas Harry Reid Intl Airport. The most popular airport to fly into when visiting St. Louis is Lambert-St Louis Airport. When flying from Las Vegas to St. Louis, American Airlines flights are 8% more popular than any other airline flying that same route.

Non-stop flights to St. Louis from Las Vegas

Save time with Las Vegas to St. Louis direct flight deals
Sep 9 - Sep 21
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 09m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 37m
$75

Spirit Airlines

Pick Dates

Deal found 8/9/22

Aug 30 - Sep 3
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 23m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 25m
$78

Multiple Airlines

Pick Dates

Deal found 8/7/22

Aug 31 - Sep 4
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 19m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 38m
$79

Frontier

Pick Dates

Deal found 8/7/22

Last minute flights from Las Vegas to St. Louis

Late deals on return flights to St. Louis from Las Vegas, departing today and this week
Aug 18 - Aug 21
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 10m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 25m
$94

Spirit Airlines

Pick Dates

Deal found 8/8/22

Aug 19 - Aug 21
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 19m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 38m
$95

Frontier

Pick Dates

Deal found 8/8/22

Aug 19 - Aug 21
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 19m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 38m
$104

Frontier

Pick Dates

Deal found 8/7/22

One-way flights to St. Louis from Las Vegas

The cheapest one-way flights from Las Vegas to St. Louis
Sep 20
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 09m
$32

Spirit Airlines

Pick Dates

Deal found 8/8/22

Sep 24
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 09m
$37

Spirit Airlines

Pick Dates

Deal found 8/8/22

Sep 7
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 09m
$38

Spirit Airlines

Pick Dates

Deal found 8/9/22

Related info for your journey

Useful info, stats and facts about Las Vegas to St. Louis flights.

What airports do I use to fly from Las Vegas to St. Louis?

Booking a flight from Las Vegas Harry Reid Intl (LAS) to Lambert-St Louis (STL) is your only option if you wish to fly from Las Vegas to St. Louis. On a typical day, there are 7 flights from Harry Reid Intl to Lambert-St Louis, all of which are around 3h 09m for a nonstop flight. You can also purchase a plane ticket from 7 airlines when you book a flight from Harry Reid Intl to St. Louis.

Which airlines flying from Las Vegas Harry Reid Intl to Lambert-St Louis have flexible cancellations due to COVID-19?

Some of our airline partners flying from Las Vegas Harry Reid Intl to Lambert-St Louis have new flexible policies in place due to COVID-19. Frontier, Spirit Airlines, and Juneyao Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Frontier with this kind of flexibility.

Can I find flights from Las Vegas to St. Louis for under $100 on Cheapflights?

Yes, there are multiple flights from Las Vegas to St. Louis for under $100. The cheapest flight booked recently is on Multiple Airlines for just $78, but on average you can expect to pay $95.

Are there nonstop flights from Las Vegas to St. Louis for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Las Vegas to St. Louis under $100. A good price for a nonstop flight from Las Vegas to St. Louis is less than $93.

Are there last-minute flights available from Las Vegas to St. Louis for under $100?

There are currently 20+ open flights from Las Vegas to St. Louis within the next 7 days for less than $100.

How popular is this Las Vegas to St. Louis flight route?

Within the past month, 30 users have taken a look at flights from Las Vegas Harry Reid Intl to Lambert-St Louis.

What are the cheapest airlines flying from Las Vegas to St. Louis round-trip?

Flying on Frontier is currently your cheapest option to St. Louis, with prices starting at $79. Another option worth looking into is Spirit Airlines, starting at $80 round trip. Frontier is priced at 43% lower than the current average price of a flight leaving 3 months from now.

What are the most popular airlines that fly from Las Vegas to St. Louis?

Before booking your flight from Las Vegas to St. Louis check out the most popular airlines for this route: Undisclosed Carrier, American Airlines or Delta.

What are the most reliable airlines from Las Vegas to St. Louis?

Consider Frontier (77%), Southwest (62%) or Spirit Airlines (55%) when booking your flight. These represent the most reliable airlines when flying from Las Vegas to St. Louis.

What are the cheapest flights from Las Vegas to St. Louis?

The cheapest flight price from Las Vegas to St. Louis is $47. On average you can expect to pay $818. The most popular route, (Las Vegas Harry Reid Intl - Lambert-St Louis), can usually be booked for $78.

Alternative routes for Las Vegas to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Las Vegas to St. Louis

The chart below displays the airlines Cheapflights users traveling from Las Vegas to St. Louis choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$16Average$23FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
Spirit AirlinesCheapest$64Average$141FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
FrontierCheapest$66Average$176FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
United AirlinesCheapest$170Average$409FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
DeltaCheapest$202Average$484FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
American AirlinesCheapest$238Average$483FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights

Hourly flight availability from Las Vegas to St. Louis

See what time of day planes typically take off from Las Vegas to St. Louis
12%of flight departuresEarly morningMidnight to 6 am
30%of flight departuresMorning6 am to noon
46%of flight departuresAfternoonNoon to 6 pm
12%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Las Vegas to St. Louis

See how many times per day planes take to the skies headed from Las Vegas to St. Louis
Sunday8daily flights
Monday8daily flights
Tuesday8daily flights
Wednesday8daily flights
Thursday8daily flights
Friday7daily flights
Saturday5daily flights