Cheap flights from Las Vegas to St. Louis (LAS - STL) from $44

This is the cheapest one-way flight price, found on 5/24. Prices may vary by date and flight preferences.
LAS — STL
May 30 — Jun 61

The best prices from Las Vegas Harry Reid Intl to Lambert-St Louis are usually found in September or October, booked 15 days in advance, depart on a Saturday or Friday and return on a Monday

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 2023: compare Las Vegas to St. Louis flight prices with the expected peak season, weather and rainfall in St. Louis.

Popular in

June

Cheapest in

September

Average price

$197

Round-trip from

$88
High demand for flights, 33% potential price rise
Best time to find cheap flights, 45% potential price drop
Average for round-trip flights in May 2023
From Las Vegas Harry Reid Intl to Lambert-St Louis

LAS - STL

Price

$88 - $240

STL

Temperature

32 - 80.6 °F

STL

Rainfall

2.2 - 4.7 inches

Cheap flights from Las Vegas to St. Louis in May, June 2023

The best prices found for LAS to STL flights for May, June
Check out some of the best flight deals from Las Vegas to St. Louis in 2023. Check back in a little while for more flight options.

Las Vegas to St. Louis 2023 flight deals

Cheap flights to St. Louis from Las Vegas found for this year
Check out some of the best flight deals from Las Vegas to St. Louis in 2023. Check back in a little while for more flight options.

Cheap Undisclosed Carrier flights from Las Vegas to St. Louis

Take a look at some of the lowest-priced Undisclosed Carrier flights heading from Las Vegas to St. Louis. Come back soon if you're not finding the exact deal you're looking for.
  • If you’re traveling from Las Vegas to St. Louis, one of the more common airlines traveling that route is Undisclosed Carrier. Flights on this route from Undisclosed Carrier typically cost $580.40 RT, a price that is 25% cheaper than the average Las Vegas to St. Louis flight. The cheapest flight found was $250 RT. When traveling from Las Vegas to St. Louis on Undisclosed Carrier, the most popular airport to depart from is Las Vegas Harry Reid Intl Airport and the most popular airport to arrive at is Lambert-St Louis Airport. When flying from Las Vegas to St. Louis, Undisclosed Carrier flights are 9% more popular than any other airline flying that same route.

Cheap Spirit Airlines flights from Las Vegas to St. Louis

Some of the lowest-priced Spirit Airlines flights we've found at this time heading from Las Vegas to St. Louis. Deals frequently update to provide users with more options.
  • If you’re traveling from Las Vegas to St. Louis, one of the more common airlines traveling that route is Spirit Airlines. Las Vegas to St. Louis flights are typically 112% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $145.24 RT. The cheapest Spirit Airlines flight found for this route was $50. When traveling from Las Vegas to St. Louis on Spirit Airlines, the most popular airport to depart from is Las Vegas Harry Reid Intl Airport and the most popular airport to arrive at is Lambert-St Louis Airport. When flying from Las Vegas to St. Louis, Spirit Airlines flights are -6% 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
Take a look at some of the direct flights traveling from Las Vegas to St. Louis in the near future. Select from other flights from Las Vegas to St. Louis by using the search form above.

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
Book one of these great deals on flights from Las Vegas to St. Louis. Users should examine the flight details to ensure there are no surprises.

One-way flights to St. Louis from Las Vegas

The cheapest one-way flights from Las Vegas to St. Louis
Users in need of a one-way flight from Las Vegas to St. Louis can choose from these deals. Those needing a return flight from Las Vegas to St. Louis can use the search form above.

Find flights from Las Vegas to St. Louis within your budget

Use the slider to find flights from Las Vegas to St. Louis that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$143 - $176

Route

Depart

Return

Price

Las Vegas Harry Reid IntlLambert-St Louis

LAS - STL

LASSTL

Las Vegas Harry Reid Intl

Tue 6/6

Nonstop3h 20m

Lambert-St Louis

Wed 6/7

Nonstop3h 36m

Las Vegas Harry Reid IntlLambert-St Louis

LAS - STL

LASSTL

Las Vegas Harry Reid Intl

Sat 6/10

Nonstop3h 20m

Lambert-St Louis

Tue 6/13

Nonstop3h 36m

Las Vegas Harry Reid IntlLambert-St Louis

LAS - STL

LASSTL

Las Vegas Harry Reid Intl

Fri 6/9

1 stop6h 36m

Lambert-St Louis

Tue 6/13

Nonstop3h 36m

Las Vegas Harry Reid IntlLambert-St Louis

LAS - STL

LASSTL

Las Vegas Harry Reid Intl

Sat 6/10

1 stop13h 59m

Lambert-St Louis

Tue 6/13

Nonstop3h 36m

Las Vegas Harry Reid IntlLambert-St Louis

LAS - STL

LASSTL

Las Vegas Harry Reid Intl

Wed 6/14

Nonstop3h 15m

Lambert-St Louis

Sun 6/18

Nonstop3h 23m

Las Vegas Harry Reid IntlLambert-St Louis

LAS - STL

LASSTL

Las Vegas Harry Reid Intl

Thu 6/15

Nonstop3h 15m

Lambert-St Louis

Tue 6/20

Nonstop3h 23m

Las Vegas Harry Reid IntlLambert-St Louis

LAS - STL

LASSTL

Las Vegas Harry Reid Intl

Wed 6/14

Nonstop3h 15m

Lambert-St Louis

Sat 6/17

Nonstop3h 23m

Las Vegas Harry Reid IntlLambert-St Louis

LAS - STL

LASSTL

Las Vegas Harry Reid Intl

Wed 6/14

1 stop6h 21m

Lambert-St Louis

Tue 6/20

Nonstop3h 23m

Las Vegas Harry Reid IntlLambert-St Louis

LAS - STL

LASSTL

Las Vegas Harry Reid Intl

Wed 6/14

Nonstop3h 15m

Lambert-St Louis

Sun 6/18

1 stop11h 28m

Flights are sorted by cheapest first

Deals found on 5/24

Reviews of Airlines Servicing St. Louis

Read reviews from past customers who have flown Undisclosed Carrier, Spirit Airlines and Frontier from Las Vegas to St. Louis. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Sun Country Air
7.4
Good
84 reviews

Entertainment

6.2

Overall

7.4

Crew

8.1

Food

5.8

Boarding

7.5

Comfort

6.7

Reviews

1 / 10

I don’t remember if there was entertainment on the flight or not.

Sun Country Air
7.4
Good
84 reviews
Sun Country Air
7.4
Good
84 reviews

Entertainment

6.2

Overall

7.4

Crew

8.1

Food

5.8

Boarding

7.5

Comfort

6.7

Reviews

1 / 10

I don’t remember if there was entertainment on the flight or not.

Spirit Airlines
6.6
Okay
1,007 reviews
Sun Country Air
7.4
Good
84 reviews

Entertainment

6.2

Overall

7.4

Crew

8.1

Food

5.8

Boarding

7.5

Comfort

6.7

Reviews

1 / 10

I don’t remember if there was entertainment on the flight or not.

Frontier
5.9
Fair
643 reviews
Sun Country Air
7.4
Good
84 reviews

Entertainment

6.2

Overall

7.4

Crew

8.1

Food

5.8

Boarding

7.5

Comfort

6.7

Reviews

1 / 10

I don’t remember if there was entertainment on the flight or not.

Related info for your journey

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

Alternative routes for Las Vegas to St. Louis

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

Top 5 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
Spirit AirlinesCheapest$50Average$145FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
FrontierCheapest$82Average$181FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
DeltaCheapest$216Average$496FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
United AirlinesCheapest$250Average$580FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
American AirlinesCheapest$309Average$482FlexibilityNo 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
17%of flight departuresEarly morningMidnight to 6 am
23%of flight departuresMorning6 am to noon
47%of flight departuresAfternoonNoon to 6 pm
13%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
Sunday12daily flights
Monday7daily flights
Tuesday3daily flights
Wednesday3daily flights
Thursday6daily flights
Friday6daily flights
Saturday5daily flights
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