Are there direct flights from St. Louis to Las Vegas?

Direct flights from St. Louis to Las Vegas are not very common, historically accounting for only 4.2% of all flights on this route. When connecting flights are taken, the median number of stopovers is typically two. Travelers should anticipate that most available options will involve at least one stop.

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

A direct flight from St. Louis to Las Vegas typically takes approximately 3 hours and 35 minutes, covering a distance of 2202 kilometers. Flights with one stop, however, have a significantly longer median duration, averaging around 8 hours and 23 minutes. Travelers should consider these differences when planning their journey.

How often do cheap flights from St. Louis to Las Vegas come up?

Cheap flights from St. Louis to Las Vegas are classified as frequent. This indicates that deals on this route appear regularly. Travelers looking for good value should find opportunities to book at favorable prices with some consistency.

Flights From St. Louis

To Las Vegas

Cheap Flights from St. Louis to Las Vegas

Browse current best options from St. Louis. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

St. Louis

RatePunk searches hundreds of travel sites at once for deals on flights to Las Vegas

Prices updated today

485 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Nov 2, 2026.)

Today’s best flight deals from St. Louis to Las Vegas

Explore current cheapest deals departing from St. Louis to Las Vegas

2026-11-16 – 2026-11-26
STL - Las Vegas
83% AI deal score
$269
$148
Round trip
2026-12-05 – 2026-12-15
STL - Las Vegas
79% AI deal score
$221
$149
Round trip
2026-12-14 – 2026-12-17
STL - Las Vegas
81% AI deal score
$255
$153
Round trip
2026-12-13 – 2026-12-17
STL - Las Vegas
65% AI deal score
$161
$155
Round trip
2026-12-05 – 2026-12-08
STL - Las Vegas
80% AI deal score
$255
$161
Round trip
2026-12-11 – 2026-12-15
STL - Las Vegas
75% AI deal score
$255
$194
Round trip
2026-11-25 – 2026-11-30
STL - Las Vegas
77% AI deal score
$303
$207
Round trip
2026-11-14 – 2026-11-16
STL - Las Vegas
78% AI deal score
$320
$210
Round trip
2026-12-10 – 2026-12-17
STL - Las Vegas
47% AI deal score
$153
$215
Round trip
2026-12-14 – 2026-12-18
STL - Las Vegas
68% AI deal score
$255
$226
Round trip

St. Louis to Las Vegas: Overview

Insights for flights from St. Louis to Las Vegas

February stands out as the cheapest month to fly from St. Louis to Las Vegas, with a median fare of just $235. This offers a significant saving compared to other times of the year, making it an ideal period for budget-conscious travelers. Following February, August also presents a more affordable option with a median fare of $429, and September comes in with a median of $487.

For those seeking cheap flights from St. Louis to Las Vegas, fares typically range from $409–$787, with a median of $552. Right now, current fares are above the typical level. Unfortunately, recent fares classified as a good price are 0%, indicating that finding exceptional deals might require more vigilance. New deals appear almost daily, suggesting frequent opportunities to find better prices.

When considering how long is the flight from St. Louis to Las Vegas, a typical journey, including connections, takes about 3h 35m. However, most itineraries connect at least once, with the median number of stopovers for connecting flights being 2. This means that while the direct flight time is 3h 35m, the overall travel duration for connecting flights can be considerably longer, with a median connecting journey of 18h 15m.

The route from St. Louis to Las Vegas covers a distance of 2202 kilometers. This classifies it as a medium-haul journey, meaning it's too far for a short hop but not a long-distance international trip. This distance typically involves several hours of flight time, often with a connection or two.

How much is a round trip from St. Louis to Las Vegas

Regular price: $151 - $366

Prices for flights from St. Louis to Las Vegas are currently below the regular range.

The regular price range for flights from St. Louis to Las Vegas is typically between $151 and $366. The current lowest deal is $144 with Frontier Airlines for travel from Nov 26-Dec 3.

now $144

Low $151

High $366

The cheapest time to fly from St. Louis to Las Vegas

The cheapest month to fly from St. Louis to Las Vegas is February, with a median price of $227. The most expensive month is January, with a median price of $751. Prices are generally lower from February to December.

February

Cheapest

Flights from $227

January

Most Expensive

Flights from $751

Jan

Feb

Mar

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from St. Louis to Las Vegas

Frontier Airlines

Last-minute flights going from St. Louis to Las Vegas

Sun, Nov 1

⌛ Last-Minute

STL - Las Vegas

St. Louis (STL) - Las Vegas (LAS)

Frontier Airlines

$437

$394

One-way

Mon, Nov 2

⌛ Last-Minute

STL - Las Vegas

St. Louis (STL) - Las Vegas (LAS)

Frontier Airlines

$327

$334

One-way

Sat, Nov 7

⌛ Last-Minute

STL - Las Vegas

St. Louis (STL) - Las Vegas (LAS)

Frontier Airlines

$357

$327

One-way

Sun, Nov 8

⌛ Last-Minute

STL - Las Vegas

St. Louis (STL) - Las Vegas (LAS)

Frontier Airlines

$287

$182

One-way

Sun, Nov 8

⌛ Last-Minute

STL - Las Vegas

St. Louis (STL) - Las Vegas (LAS)

Frontier Airlines

$181

$184

One-way

Sun, Nov 8

⌛ Last-Minute

STL - Las Vegas

St. Louis (STL) - Las Vegas (LAS)

Frontier Airlines

$178

$187

One-way

Biggest price drops on these dates for flights from St. Louis to Las Vegas

2 nights

Nov 20 - Nov 22

$320 → $164

49%

1 night

Dec 7 - Dec 8

$257 → $156

39%

2 nights

Dec 7 - Dec 9

$257 → $156

39%

5 nights

Dec 7 - Dec 12

$250 → $156

38%

Popular Airports to fly from St. Louis to Las Vegas

St. Louis - Las Vegas route insights

💸 Price insights

Recent fares are above the typical level.

Recent fares from St. Louis to Las Vegas are above the typical level for this route.

📅 Best time to fly

February is historically the cheapest month to fly.

Historically, February offers the lowest median price at $235 for flights from St. Louis to Las Vegas.

⏱️ Flight duration

Direct flights take 3h 35m.

The median flight duration for a direct flight from St. Louis to Las Vegas is 3h 35m.

✈️ Airlines & availability

Connecting flights are dominant on this route.

Connecting flights make up the majority of options, with a median of 2 stopovers.

🏆 Airline highlight

Frontier Airlines offers direct flights.

Frontier Airlines has offered direct flights from St. Louis to Las Vegas recently.

🎯 Booking tip

Deals are frequent on this route.

Deals for flights from St. Louis to Las Vegas are frequent, appearing within a 30-day window.

St. Louis main airports to depart from

St. Louis Lambert International (STL)

Cheapest

St. Louis Lambert International Airport is a good option for flights from St. Louis to Las Vegas.

📍 ~20 km from St. Louis (reachable by car or train)

💸 Flights from ~$76

Las Vegas main airports to arrive at

Harry Reid International Airport (LAS)

Cheapest

Harry Reid International Airport is the primary airport for flights arriving in Las Vegas.

📍 ~10 km from Las Vegas (reachable by car)

💸 Flights from ~$142

Airports nearby Las Vegas used as alternative

Ontario International (ONT)

Ontario International offers significant domestic capacity and easier navigation than larger coastal hubs.

📍 ~350 km from Las Vegas (reachable by car)

💸 Flights from ~$197

Business & First Class Flight Deals to Las Vegas

Discover luxury on the budget with premium cabin class on flights from St. Louis to Las Vegas.

Elite

Best Elite deals to Las Vegas

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From STL

Elite

Dec 24

Las Vegas, United States

75% AI deal score

$2,021

$1,425

Save $596

Alaska Airlines, Inc.

Business Class

From STL

Elite

Dec 24

Las Vegas, United States

74% AI deal score

$1,849

$1,425

Save $424

Alaska Airlines, Inc.

Business Class

From STL

Elite

Dec 14

Las Vegas, United States

74% AI deal score

$1,966

$1,462

Save $504

Alaska Airlines, Inc.

Business Class

From STL

Elite

Dec 20

Las Vegas, United States

74% AI deal score

$2,027

$1,525

Save $502

Alaska Airlines, Inc.

Business Class

From STL

Elite

Nov 23

Las Vegas, United States

73% AI deal score

$1,733

$1,461

Save $272

Alaska Airlines, Inc.

Business Class

From STL

Elite

Dec 11

Las Vegas, United States

73% AI deal score

$1,836

$1,462

Save $374

Alaska Airlines, Inc.

Business Class

From STL

Elite

Dec 07

Las Vegas, United States

73% AI deal score

$1,828

$1,462

Save $366

Alaska Airlines, Inc.

Business Class

From STL

Elite

Dec 07

Las Vegas, United States

73% AI deal score

$1,861

$1,519

Save $342

Alaska Airlines, Inc.

Business Class

From STL

Elite

Dec 17

Las Vegas, United States

73% AI deal score

$1,913

$1,521

Save $392

Alaska Airlines, Inc.

Business Class

From STL

Elite

Dec 11

Las Vegas, United States

73% AI deal score

$1,824

$1,522

Save $302

Alaska Airlines, Inc.

Business Class

From STL

Elite

Dec 14

Las Vegas, United States

73% AI deal score

$1,834

$1,522

Save $312

Alaska Airlines, Inc.

Business Class

From STL

Elite

Dec 11

Las Vegas, United States

73% AI deal score

$1,914

$1,525

Save $389

Alaska Airlines, Inc.

Business Class

Frequently Asked Questions About Flights to Las Vegas

Historically, the lowest prices for flights from St. Louis to Las Vegas are found when booking 28-59 days in advance. During this period, the average price was $597. Booking within 0-6 days of departure typically results in significantly higher prices, averaging around $938. Even booking 60+ days out shows a higher average price of $687, indicating that the sweet spot for savings is within that 28-59 day window.

Across the trailing quarter, a good price for a flight from St. Louis to Las Vegas was considered to be $409 or less. The median price observed for this route was $552. Prices can go higher, with 75% of observed prices being $787 or less. Travelers aiming for a budget-friendly trip should target fares around the $409 mark.

Historically, February has been the cheapest month to fly from St. Louis to Las Vegas, with a median price of $235. Other relatively inexpensive months include August, with a median price of $429, and September at $487. The annual median price for this route is $552, making February a particularly attractive option for savings.

Related routes

More routes from St. Louis

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Flights to Las Vegas from other cities

Flights from Edmonton to Las Vegas Flights from Knoxville to Las Vegas Flights from Montreal to Las Vegas Flights from Sydney to Las Vegas Flights from Syracuse to Las Vegas Flights from Tampa to Las Vegas Flights from Toronto to Las Vegas Flights from Tucson to Las Vegas Flights from Tulsa to Las Vegas Flights from Vancouver to Las Vegas Flights from Washington, D.C. to Las Vegas Flights from Winnipeg to Las Vegas

St. Louis to Las Vegas: Overview

Insights for flights from St. Louis to Las Vegas

How much is a round trip from St. Louis to Las Vegas

Regular price: $151 - $366

Prices for flights from St. Louis to Las Vegas are currently below the regular range.

The regular price range for flights from St. Louis to Las Vegas is typically between $151 and $366. The current lowest deal is $144 with Frontier Airlines for travel from Nov 26-Dec 3.

now $144

Low $151

High $366

The cheapest time to fly from St. Louis to Las Vegas

February

Cheapest

Flights from $227

January

Most Expensive

Flights from $751

Jan

Feb

Mar

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from St. Louis to Las Vegas

Frontier Airlines

Last-minute flights going from St. Louis to Las Vegas

Sun, Nov 1

⌛ Last-Minute

STL - Las Vegas

St. Louis (STL) - Las Vegas (LAS)

Frontier Airlines

$437

$394

One-way

Mon, Nov 2

⌛ Last-Minute

STL - Las Vegas

St. Louis (STL) - Las Vegas (LAS)

Frontier Airlines

$327

$334

One-way

Sat, Nov 7

⌛ Last-Minute

STL - Las Vegas

St. Louis (STL) - Las Vegas (LAS)

Frontier Airlines

$357

$327

One-way

Sun, Nov 8

⌛ Last-Minute

STL - Las Vegas

St. Louis (STL) - Las Vegas (LAS)

Frontier Airlines

$287

$182

One-way

Sun, Nov 8

⌛ Last-Minute

STL - Las Vegas

St. Louis (STL) - Las Vegas (LAS)

Frontier Airlines

$181

$184

One-way

Sun, Nov 8

⌛ Last-Minute

STL - Las Vegas

St. Louis (STL) - Las Vegas (LAS)

Frontier Airlines

$178

$187

One-way

Biggest price drops on these dates for flights from St. Louis to Las Vegas

2 nights

Nov 20 - Nov 22

$320 → $164

49%

1 night

Dec 7 - Dec 8

$257 → $156

39%

2 nights

Dec 7 - Dec 9

$257 → $156

39%

5 nights

Dec 7 - Dec 12

$250 → $156

38%

Popular Airports to fly from St. Louis to Las Vegas

St. Louis - Las Vegas route insights

💸 Price insights

Recent fares are above the typical level.

Recent fares from St. Louis to Las Vegas are above the typical level for this route.

📅 Best time to fly

February is historically the cheapest month to fly.

Historically, February offers the lowest median price at $235 for flights from St. Louis to Las Vegas.

⏱️ Flight duration

Direct flights take 3h 35m.

The median flight duration for a direct flight from St. Louis to Las Vegas is 3h 35m.

✈️ Airlines & availability

Connecting flights are dominant on this route.

Connecting flights make up the majority of options, with a median of 2 stopovers.

🏆 Airline highlight

Frontier Airlines offers direct flights.

Frontier Airlines has offered direct flights from St. Louis to Las Vegas recently.

🎯 Booking tip

Deals are frequent on this route.

Deals for flights from St. Louis to Las Vegas are frequent, appearing within a 30-day window.

St. Louis main airports to depart from

St. Louis Lambert International (STL)

Cheapest

St. Louis Lambert International Airport is a good option for flights from St. Louis to Las Vegas.

📍 ~20 km from St. Louis (reachable by car or train)

💸 Flights from ~$76

Las Vegas main airports to arrive at

Harry Reid International Airport (LAS)

Cheapest

Harry Reid International Airport is the primary airport for flights arriving in Las Vegas.

📍 ~10 km from Las Vegas (reachable by car)

💸 Flights from ~$142

Airports nearby Las Vegas used as alternative

Ontario International (ONT)

Ontario International offers significant domestic capacity and easier navigation than larger coastal hubs.

Las Vegas, United States

73% AI deal score

$1,914

$1,525

Save $389

Alaska Airlines, Inc.

Business Class

Frequently Asked Questions About Flights to Las Vegas

Cheap Flights from St. Louis to Las Vegas

Today’s best flight deals from St. Louis to Las Vegas

St. Louis to Las Vegas: Overview

Insights for flights from St. Louis to Las Vegas

How much is a round trip from St. Louis to Las Vegas

The cheapest time to fly from St. Louis to Las Vegas

Direct flights from St. Louis to Las Vegas

Last-minute flights going from St. Louis to Las Vegas

Biggest price drops on these dates for flights from St. Louis to Las Vegas

Popular Airports to fly from St. Louis to Las Vegas

St. Louis - Las Vegas route insights

Recent fares are above the typical level.

February is historically the cheapest month to fly.

Direct flights take 3h 35m.

Connecting flights are dominant on this route.

Frontier Airlines offers direct flights.

Deals are frequent on this route.

St. Louis main airports to depart from

Las Vegas main airports to arrive at

Airports nearby Las Vegas used as alternative

Business & First Class Flight Deals to Las Vegas

Best Elite deals to Las Vegas

Dec 24

Dec 24

Dec 14

Dec 20

Nov 23

Dec 11

Dec 07

Dec 07

Dec 17

Dec 11

Dec 14

Dec 11

Frequently Asked Questions About Flights to Las Vegas

How early should I book St. Louis to Las Vegas flights to get the cheapest price?

How much should a flight from St. Louis to Las Vegas cost?

What's the best month to fly from St. Louis to Las Vegas?

Are there direct flights from St. Louis to Las Vegas?

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

How often do cheap flights from St. Louis to Las Vegas come up?

Related routes

More routes from St. Louis

Flights to Las Vegas from other cities

St. Louis to Las Vegas: Overview

Insights for flights from St. Louis to Las Vegas

How much is a round trip from St. Louis to Las Vegas

The cheapest time to fly from St. Louis to Las Vegas

Direct flights from St. Louis to Las Vegas

Last-minute flights going from St. Louis to Las Vegas

Biggest price drops on these dates for flights from St. Louis to Las Vegas

Popular Airports to fly from St. Louis to Las Vegas

St. Louis - Las Vegas route insights

Recent fares are above the typical level.

February is historically the cheapest month to fly.

Direct flights take 3h 35m.

Connecting flights are dominant on this route.

Frontier Airlines offers direct flights.

Deals are frequent on this route.

St. Louis main airports to depart from

Las Vegas main airports to arrive at

Airports nearby Las Vegas used as alternative

Business & First Class Flight Deals to Las Vegas

Best Elite deals to Las Vegas

Dec 24

Dec 24

Dec 14

Dec 20

Nov 23

Dec 11

Dec 07

Dec 07

Dec 17

Dec 11

Dec 14

Dec 11

Frequently Asked Questions About Flights to Las Vegas

How early should I book St. Louis to Las Vegas flights to get the cheapest price?

How much should a flight from St. Louis to Las Vegas cost?

What's the best month to fly from St. Louis to Las Vegas?