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.
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St. Louis
RatePunk searches hundreds of travel sites at once for deals on flights to Las Vegas
Prices updated 24 days ago
486,190 searches this week
171 airlines compared
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Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)
Today’s best flight deals from St. Louis to Las Vegas
Explore current cheapest deals departing from St. Louis to Las Vegas
Round trip
Sort by: Cheapest
August 9 - August 13
STL - Las Vegas
$288
$97
Round trip
August 9 - August 12
STL - Las Vegas
$289
$97
Round trip
August 7 - August 9
STL - Las Vegas
$294
$97
Round trip
July 22 - July 27
STL - Las Vegas
$220
$98
Round trip
July 16 - July 23
STL - Las Vegas
$221
$98
Round trip
July 16 - July 21
STL - Las Vegas
$225
$98
Round trip
August 6 - August 9
STL - Las Vegas
$291
$98
Round trip
August 6 - August 12
STL - Las Vegas
$275
$98
Round trip
July 21 - July 22
STL - Las Vegas
$224
$98
Round trip
July 22 - July 30
STL - Las Vegas
$213
$98
Round trip
Unlock all 500+ flight deals to Las Vegas and get alerts when great deals appear
Route Intelligence — 486,190 Searches this Week
Insights for flights from St. Louis to Las Vegas
How much is a round trip from St. Louis to Las Vegas
Regular price: $200 - $308
Prices are currently below the regular range for flights from St. Louis to Las Vegas.
The regular price range for flights from St. Louis to Las Vegas is between $200 and $308. The current lowest deal is $97 with Frontier Airlines, for travel from Aug 9-Aug 13.
now $97
Low $200
High $308
The cheapest time to fly from St. Louis to Las Vegas
The cheapest month to fly from St. Louis to Las Vegas is November, with a median price of $151. The most expensive month is April, with a median price of $781. Prices are generally lower from January to November.
November
Flights from $151
April
Flights from $781
Direct flights from St. Louis to Las Vegas
Frontier Airlines
Last-minute flights going from St. Louis to Las Vegas
Wed, Jul 1
STL - Las Vegas
St. Louis (STL) - Las Vegas (LAS)
Frontier Airlines
$199
$107
One-way
Thu, Jul 2
STL - Las Vegas
St. Louis (STL) - Las Vegas (LAS)
Frontier Airlines
$242
$133
One-way
Fri, Jul 3
STL - Las Vegas
St. Louis (STL) - Las Vegas (LAS)
Frontier Airlines
$197
$111
One-way
Fri, Jul 3
STL - Las Vegas
St. Louis (STL) - Las Vegas (LAS)
Frontier Airlines
$240
$124
One-way
Sat, Jul 4
STL - Las Vegas
St. Louis (STL) - Las Vegas (LAS)
Frontier Airlines
$197
$111
One-way
Mon, Jul 6
STL - Las Vegas
St. Louis (STL) - Las Vegas (LAS)
Frontier Airlines
$237
$106
One-way
Biggest price drops on these dates for flights from St. Louis to Las Vegas
Aug 19 - Aug 24
$409 → $199
51%
Aug 10 - Aug 15
$406 → $200
51%
Aug 7 - Aug 9
$294 → $97
67%
Aug 6 - Aug 7
$294 → $98
67%
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 at $482.
📅 Best time to fly
Fly in November for the best prices.
Historically, November is the cheapest month to fly, with a median price of $151.
⏱️ Flight duration
Connecting flights take 17h 11m on average.
The typical flight duration for this route, including layovers, is 17 hours and 11 minutes.
✈️ Airlines & availability
Connecting flights are dominant on this route.
Only 16.5% of deals are for direct flights; connecting flights typically have 2 stopovers.
🏆 Airline highlight
Frontier Airlines offers direct flights.
Frontier Airlines has offered direct flights from St. Louis to Las Vegas.
🎯 Booking tip
Deals appear frequently for this route.
Historically, deals for this route appear frequently, with about 1 deal per day.
St. Louis main airports to depart from
St. Louis Lambert International (STL)
St. Louis Lambert International Airport offers the cheapest flights from St. Louis to Las Vegas.
📍 ~20 km from St. Louis (reachable by car or train)
💸 Flights from ~$97
Las Vegas main airports to arrive at
Harry Reid International Airport (LAS)
Harry Reid International Airport is a convenient arrival airport for your trip to Las Vegas.
📍 ~10 km from Las Vegas city center (reachable by car)
💸 Flights from ~$97
Airports nearby Las Vegas used as alternative
Ontario International (ONT)
Ontario International offers extensive domestic flight options and is less congested than LAX for travelers.
📍 ~330 km from Las Vegas (reachable by car)
💸 Flights from ~$171
St. George Regional (SGU)
St. George Regional is the closest alternative and offers extremely fast security and boarding.
📍 ~180 km from Las Vegas (reachable by car)
💸 Flights from ~$298
Palm Springs International (PSP)
Palm Springs International is a reliable mid-sized airport with good connectivity and efficient passenger experience.
📍 ~360 km from Las Vegas (reachable by car)
💸 Flights from ~$316
Hollywood Burbank (BUR)
Hollywood Burbank is efficient with quick terminal-to-gate times, ideal for reaching the Los Angeles basin.
📍 ~390 km from Las Vegas (reachable by car)
💸 Flights from ~$171
Phoenix Sky Harbor International (PHX)
Phoenix Sky Harbor International is a massive hub with routes that may not be available at LAS.
📍 ~440 km from Las Vegas (reachable by car)
💸 Flights from ~$158
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
Aug 01
Las Vegas, United States
89% AI deal score
$1,998
$958
Save $1,040
From STL
Elite
Jul 14
Las Vegas, United States
88% AI deal score
$1,575
$887
Save $688
From STL
Elite
Aug 30
Las Vegas, United States
87% AI deal score
$1,724
$936
Save $788
From STL
Elite
Aug 11
Las Vegas, United States
87% AI deal score
$1,904
$988
Save $916
From STL
Elite
Jul 14
Las Vegas, United States
86% AI deal score
$1,612
$958
Save $654
From STL
Elite
Oct 06
Las Vegas, United States
86% AI deal score
$1,707
$985
Save $722
From STL
Elite
Jul 14
Las Vegas, United States
85% AI deal score
$1,243
$887
Save $356
From STL
Elite
Jul 08
Las Vegas, United States
85% AI deal score
$1,285
$887
Save $398
From STL
Elite
Jul 11
Las Vegas, United States
85% AI deal score
$1,465
$958
Save $507
From STL
Elite
Aug 22
Las Vegas, United States
84% AI deal score
$1,373
$887
Save $486
From STL
Elite
Aug 05
Las Vegas, United States
84% AI deal score
$1,465
$986
Save $479
From STL
Elite
Aug 10
Las Vegas, United States
83% AI deal score
$2,257
$1,294
Save $963
From STL
Elite
Aug 19
Las Vegas, United States
83% AI deal score
$1,378
$958
Save $420
From STL
Elite
Jul 20
Las Vegas, United States
83% AI deal score
$1,243
$958
Save $285
From STL
Elite
Jul 21
Las Vegas, United States
83% AI deal score
$1,293
$958
Save $335
From STL
Elite
Jul 11
Las Vegas, United States
83% AI deal score
$1,243
$958
Save $285
From STL
Elite
Aug 11
Las Vegas, United States
83% AI deal score
$1,464
$907
Save $557
From STL
Elite
Nov 10
Las Vegas, United States
82% AI deal score
$1,856
$1,181
Save $675
From STL
Elite
Aug 04
Las Vegas, United States
82% AI deal score
$2,249
$1,349
Save $900
From STL
Elite
Sep 01
Las Vegas, United States
82% AI deal score
$1,307
$936
Save $371
From STL
Elite
Oct 07
Las Vegas, United States
82% AI deal score
$1,366
$985
Save $381
From STL
Elite
Oct 20
Las Vegas, United States
82% AI deal score
$1,360
$985
Save $375
From STL
Elite
Oct 03
Las Vegas, United States
82% AI deal score
$1,374
$985
Save $389
From STL
Elite
Jul 25
Las Vegas, United States
82% AI deal score
$1,249
$988
Save $261
From STL
Elite
Aug 10
Las Vegas, United States
82% AI deal score
$1,433
$907
Save $526
From STL
Elite
Aug 11
Las Vegas, United States
82% AI deal score
$1,407
$907
Save $500
From STL
Elite
Aug 12
Las Vegas, United States
82% AI deal score
$1,407
$907
Save $500
From STL
Elite
Aug 17
Las Vegas, United States
82% AI deal score
$1,436
$907
Save $529
From STL
Elite
Aug 04
Las Vegas, United States
81% AI deal score
$2,032
$1,294
Save $738
From STL
Elite
Aug 09
Las Vegas, United States
81% AI deal score
$2,209
$1,356
Save $853
From STL
Elite
Aug 08
Las Vegas, United States
81% AI deal score
$2,166
$1,356
Save $810
From STL
Elite
Sep 05
Las Vegas, United States
81% AI deal score
$1,309
$985
Save $324
From STL
Elite
Sep 19
Las Vegas, United States
81% AI deal score
$1,296
$985
Save $311
From STL
Elite
Jul 22
Las Vegas, United States
81% AI deal score
$1,249
$1,029
Save $220
From STL
Elite
Jul 11
Las Vegas, United States
81% AI deal score
$1,244
$907
Save $337
From STL
Elite
Jul 14
Las Vegas, United States
81% AI deal score
$1,264
$907
Save $357
From STL
Elite
Aug 30
Las Vegas, United States
81% AI deal score
$1,439
$956
Save $483
From STL
Elite
Aug 20
Las Vegas, United States
81% AI deal score
$1,447
$978
Save $469
From STL
Elite
Aug 07
Las Vegas, United States
80% AI deal score
$2,099
$1,356
Save $743
From STL
Elite
Sep 26
Las Vegas, United States
80% AI deal score
$1,323
$1,046
Save $277
From STL
Elite
Jul 09
Las Vegas, United States
80% AI deal score
$1,244
$938
Save $306
From STL
Elite
Aug 10
Las Vegas, United States
76% AI deal score
$2,039
$1,349
Save $690
From STL
Elite
Aug 06
Las Vegas, United States
76% AI deal score
$2,059
$1,356
Save $703
From STL
Elite
Nov 15
Las Vegas, United States
75% AI deal score
$1,853
$1,292
Save $561
From STL
Elite
Nov 15
Las Vegas, United States
75% AI deal score
$1,853
$1,297
Save $556
From STL
Elite
Aug 04
Las Vegas, United States
75% AI deal score
$2,011
$1,349
Save $662
From STL
Elite
Jul 14
Las Vegas, United States
75% AI deal score
$1,957
$1,356
Save $601
From STL
Elite
Jul 19
Las Vegas, United States
75% AI deal score
$1,951
$1,356
Save $595
From STL
Elite
Aug 05
Las Vegas, United States
75% AI deal score
$2,037
$1,356
Save $681
From STL
Elite
Jul 04
Las Vegas, United States
75% AI deal score
$2,059
$1,411
Save $648
From STL
Elite
Jul 04
Las Vegas, United States
75% AI deal score
$1,991
$1,411
Save $580
From STL
Elite
Aug 09
Las Vegas, United States
75% AI deal score
$2,024
$1,411
Save $613
From STL
Elite
Aug 10
Las Vegas, United States
75% AI deal score
$2,045
$1,411
Save $634
From STL
Elite
Aug 06
Las Vegas, United States
75% AI deal score
$2,017
$1,411
Save $606
From STL
Elite
Aug 08
Las Vegas, United States
75% AI deal score
$2,024
$1,411
Save $613
From STL
Elite
Aug 11
Las Vegas, United States
75% AI deal score
$2,045
$1,411
Save $634
From STL
Elite
Aug 10
Las Vegas, United States
75% AI deal score
$2,031
$1,411
Save $620
From STL
Elite
Aug 07
Las Vegas, United States
75% AI deal score
$2,023
$1,411
Save $612
From STL
Elite
Aug 04
Las Vegas, United States
75% AI deal score
$2,166
$1,491
Save $675
From STL
Elite
Jul 14
Las Vegas, United States
74% AI deal score
$1,963
$1,411
Save $552
From STL
Elite
Jul 14
Las Vegas, United States
74% AI deal score
$1,957
$1,411
Save $546
From STL
Elite
Jun 25
Las Vegas, United States
73% AI deal score
$2,267
$1,755
Save $512
From STL
Elite
Jun 20
Las Vegas, United States
72% AI deal score
$2,429
$2,065
Save $364
From STL
Elite
Jun 21
Las Vegas, United States
72% AI deal score
$2,434
$2,065
Save $369
From STL
Elite
Jun 20
Las Vegas, United States
72% AI deal score
$2,437
$2,085
Save $352
From STL
Elite
Jun 21
Las Vegas, United States
72% AI deal score
$2,489
$2,085
Save $404
From STL
Elite
Oct 02
Las Vegas, United States
71% AI deal score
$2,237
$1,924
Save $313
From STL
Elite
Nov 16
Las Vegas, United States
70% AI deal score
$1,883
$1,770
Save $113
From STL
Elite
Jul 01
Las Vegas, United States
70% AI deal score
$2,099
$1,924
Save $175
From STL
Elite
Jul 01
Las Vegas, United States
70% AI deal score
$2,058
$1,924
Save $134
From STL
Elite
Jun 22
Las Vegas, United States
68% AI deal score
$1,595
From STL
Elite
Jun 20
Las Vegas, United States
68% AI deal score
$1,661
From STL
Elite
Jun 21
Las Vegas, United States
68% AI deal score
$1,661
From STL
Elite
Jun 20
Las Vegas, United States
68% AI deal score
$1,661
From STL
Elite
Jun 21
Las Vegas, United States
68% AI deal score
$1,661
From STL
Elite
Jun 21
Las Vegas, United States
68% AI deal score
$1,661
From STL
Elite
Jun 20
Las Vegas, United States
68% AI deal score
$1,661
From STL
Elite
Nov 19
Las Vegas, United States
66% AI deal score
$1,924
From STL
Elite
Jul 18
Las Vegas, United States
65% AI deal score
$2,085
From STL
Elite
Jun 22
Las Vegas, United States
47% AI deal score
$2,837
From STL
Elite
Jun 18
Las Vegas, United States
47% AI deal score
$2,837
From STL
Elite
Jun 18
Las Vegas, United States
47% AI deal score
$2,903
From STL
Elite
Nov 17
Las Vegas, United States
47% AI deal score
$1,634
From STL
Elite
Oct 22
Las Vegas, United States
46% AI deal score
$2,096
From STL
Elite
Nov 21
Las Vegas, United States
45% AI deal score
$2,242
From STL
Elite
Oct 28
Las Vegas, United States
44% AI deal score
$2,532
From STL
Elite
Nov 12
Las Vegas, United States
43% AI deal score
$3,931