Question 1

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

Accepted Answer

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

Question 2

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

Accepted Answer

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.

Question 3

Can I fly to Lambert-St Louis from Las Vegas Harry Reid Intl right now?

Accepted Answer

Information is based on travel restrictions for travel to Lambert-St Louis within the United States

Most visitors from Las Vegas Harry Reid Intl need to provide a negative COVID-19 test result and/or quarantine to enter Lambert-St Louis.

COVID-19 testing requirements
Visitors from Las Vegas Harry Reid Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering Lambert-St Louis.

Quarantine requirements
Visitors from Las Vegas Harry Reid Intl are not required to quarantine after entering Lambert-St Louis.

Question 4

Can I fly back to Las Vegas Harry Reid Intl from Lambert-St Louis?

Accepted Answer

Returning to Las Vegas Harry Reid Intl from Lambert-St Louis

COVID-19 testing requirements
Visitors from Lambert-St Louis are not required to present a negative COVID-19 PCR test or antigen result upon entering Las Vegas Harry Reid Intl.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Las Vegas Harry Reid Intl.

Question 5

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

Accepted Answer

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.

Question 6

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

Accepted Answer

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.

Question 7

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

Accepted Answer

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.

Question 8

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

Accepted Answer

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.

Question 9

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

Accepted Answer

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.

Question 10

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

Accepted Answer

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

Question 11

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

Accepted Answer

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.

Question 12

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

Accepted Answer

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.

Question 13

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

Accepted Answer

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.

Question 14

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

Accepted Answer

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.

Question 15

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

Accepted Answer

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.

Question 16

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

Accepted Answer

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.

Question 17

Accepted Answer

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.

Question 18

Accepted Answer

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.

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

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
Juneyao Airlines	Cheapest$16	Average$23	FlexibilityNo cancel fee	On-time66%	COVID-19 safety	Search Juneyao Airlines flights
Spirit Airlines	Cheapest$64	Average$141	FlexibilityNo cancel fee	On-time65%	COVID-19 safety	Search Spirit Airlines flights
Frontier	Cheapest$66	Average$176	FlexibilityNo cancel fee	On-time62%	COVID-19 safety	Search Frontier flights
United Airlines	Cheapest$170	Average$409	FlexibilityNo cancel fee	On-time69%	COVID-19 safety	Search United Airlines flights
Delta	Cheapest$202	Average$484	FlexibilityNo cancel fee	On-timeN/A	COVID-19 safety	Search Delta flights
American Airlines	Cheapest$238	Average$483	FlexibilityNo cancel fee	On-time71%	COVID-19 safety	Search American Airlines flights

12%of flight departures	Early morningMidnight to 6 am
30%of flight departures	Morning6 am to noon
46%of flight departures	AfternoonNoon to 6 pm
12%of flight departures	Evening6 pm to midnight

Sunday	8daily flights
Monday	8daily flights
Tuesday	8daily flights
Wednesday	8daily flights
Thursday	8daily flights
Friday	7daily flights
Saturday	5daily flights

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

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.

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

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

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

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

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

The best prices found for LAS to STL flights for August, September

Las Vegas to St. Louis 2022 flight deals

Cheap flights to St. Louis from Las Vegas found for this year

Cheap Frontier flights from Las Vegas to St. Louis

Cheap American Airlines flights from Las Vegas to St. Louis

Non-stop flights to St. Louis from Las Vegas

Save time with Las Vegas to St. Louis direct flight deals

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

One-way flights to St. Louis from Las Vegas

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

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?

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

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

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

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

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

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

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

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

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

Other flights from Las Vegas

Other flights to St. Louis

Flights to St. Louis from Las Vegas

Rent a Car

COVID Restrictions

Can I fly to Lambert-St Louis from Las Vegas Harry Reid Intl right now?

Can I fly back to Las Vegas Harry Reid Intl from Lambert-St Louis?

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.

Popular flight searches

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Hourly flight availability from Las Vegas to St. Louis

See what time of day planes typically take off from Las Vegas to St. Louis

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