
$118 Cheap United flights St. Louis (STL) to Las Vegas (LAS)
Prices were available within the past 7 days and start at $118 for one-way flights and $235 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Mar 28 - Tue, Mar 31
STL
St. Louis
LAS
Las Vegas
$235 Roundtrip, found 2 days ago
$235
Roundtrip
found 2 days ago

Sun, Jun 21 - Tue, Jun 23
STL
St. Louis
LAS
Las Vegas
$310 Roundtrip, found 19 hours ago
$310
Roundtrip
found 19 hours ago

Sun, Jun 21 - Tue, Jun 30
STL
St. Louis
LAS
Las Vegas
$315 Roundtrip, found 19 hours ago
$315
Roundtrip
found 19 hours ago
Find the cheapest month to fly from St. Louis (STL) to Las Vegas (LAS)
February is typically the cheapest month to fly
From $88 - $216 per traveler.
Origin airport | Lambert-St. Louis Intl. |
|---|---|
Destination airport | Harry Reid Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United |
Popular airline | Delta |
Distance | 2188 km |
Average flight time | 1 hour 40 mins |
Most Popular United Routes from St. Louis
Most Popular United Routes from Las Vegas
- Boston to Chicago (BOS - ORD)
- Seoul to Las Vegas (ICN - LAS)
- Boston to San Francisco (BOS - SFO)
- Newark Liberty Intl. Airport to Fort Lauderdale (EWR - FLL)
- Sacramento to Tokyo (SMF - HND)
- Washington to San Luis Obispo (DCA - SBP)
- Atlanta to Cancun (ATL - CUN)
- Sacramento to Tokyo (SMF - NRT)
- Appleton to Portland (ATW - PDX)
- Atlanta to Cancun (ATL - CUN)
Popular Domestic Routes in Harry Reid Intl.
- Newark Liberty Intl. Airport to New Orleans (EWR - MSY)
- Kansas City to Phoenix (MCI - PHX)
- Sacramento to Tokyo (SMF - NRT)
- Washington to San Luis Obispo (DCA - SBP)
- Atlanta to Cancun (ATL - CUN)
- Appleton to Portland (ATW - PDX)
- Seoul to Las Vegas (ICN - LAS)
- Kansas City to Phoenix (MCI - PHX)
- Minneapolis to Pensacola (MSP - PNS)
- Chicago to Orlando (ORD - MCO)