
$119 Cheap Frontier Airlines flights from St. Louis to Las Vegas (STL to LAS)
Find The Best Day To Fly from St. Louis to Las Vegas
Amazing Frontier Airlines STL to LAS Flight Deals
The cheapest flights to Harry Reid Intl. found within the past 7 days were $178 round trip and $119 one way. Prices and availability subject to change. Additional terms may apply.
LAS From STL Economy Coach Packages on Similar Airlines



Frequently asked questions
Discover our best Frontier Airlines flight from St. Louis STL to Las Vegas LAS
To find the best deals on flights to St. Louis from Las Vegas with Frontier Airlines, just enter your travel dates, filter by Frontier Airlines, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.
Return flights from St. Louis STL to Las Vegas LAS with Frontier Airlines
If you’re planning a round trip, booking return flights with Frontier Airlines is usually the most cost-effective option. With airfares ranging from $178 to $193, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
Book one-way Frontier Airlines flights from St. Louis STL to Las Vegas LAS
A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Frontier Airlines flight from St. Louis to Las Vegas costs from $119. Prices and availability subject to change. Additional terms may apply.
The easy way to find cheap flights to Las Vegas LAS from St. Louis STL with Frontier Airlines
To find a cheap Frontier Airlines flight from St. Louis STL to Las Vegas LAS, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference.
How to find our best airfare deals on Frontier Airlines flights from St. Louis STL to Las Vegas LAS
If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as September, or if you book a flight with a stopover.
Find nonstop flights from St. Louis STL to Las Vegas LAS with Frontier Airlines
If you’re keen to be on Las Vegas soil fast, don’t waste time with a stopover—filter your search results to show direct Frontier Airlines flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it.
Flexible airline tickets for Frontier Airlines flights from St. Louis STL to Las Vegas LAS
Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.
There are a lot of reasons to book your flights to Las Vegas LAS from St. Louis STL with Frontier Airlines on Travelocity
At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.
Airport code | Country | Airport name | Number of flights |
---|---|---|---|
DEN | USA | Denver Intl. | 13 |
MCO | USA | Orlando Intl. | 7 |
CUN | MEX | Cancun Intl. | 6 |
GDL | MEX | Don Miguel Hidalgo y Costilla Intl. | 5 |
PHL | USA | Philadelphia Intl. | 2 |
ORD | USA | O'Hare Intl. | 2 |
MIA | USA | Miami Intl. | 1 |
LAS | USA | McCarran Intl. | 1 |
MEX | MEX | Mexico City Intl. | 1 |
LAX | USA | Los Angeles Intl. | 1 |
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Popular Frontier Airlines Flight Routes from STL
- Frontier Airlines STL to MIA
- Frontier Airlines STL to LAS
- Frontier Airlines STL to ATL
- Frontier Airlines STL to EWR
- Frontier Airlines STL to SEA
- Frontier Airlines STL to PHX
- Frontier Airlines STL to DEN
- Frontier Airlines STL to TPA
- Frontier Airlines STL to MCO
- Frontier Airlines STL to SAN
- Frontier Airlines STL to SJU
Top Flights for Frontier Airlines originating from STL
Domestic
- Newark Liberty Intl. Airport to Atlanta (EWR - ATL)
- San Francisco to New York (SFO - JFK)
- Dallas to Las Vegas (DFW - LAS)
- New York to Orlando (LGA - MCO)
- Los Angeles to New York (LAX - JFK)
- New York to Miami (JFK - MIA)
- Los Angeles to New York (LAX - JFK)
- Los Angeles to Newark Liberty Intl. Airport (LAX - EWR)
- Los Angeles to Newark Liberty Intl. Airport (LAX - EWR)
- Baltimore to San Juan (BWI - SJU)
International
- Los Angeles to Las Vegas (LAX - LAS)
- Atlanta to New York (ATL - JFK)
- San Francisco to Los Angeles (SFO - LAX)
- Atlanta to New York (ATL - LGA)
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- Baltimore to San Juan (BWI - SJU)
- Atlanta to Newark Liberty Intl. Airport (ATL - EWR)
- Dallas to New York (DFW - LGA)
- New York to Orlando (LGA - MCO)
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
Most Popular
- Philadelphia to Miami (PHL - MIA)
- JetBlue Airways Boston (BOS) to Orlando (MCO) flights
- JetBlue Airways Orlando (MCO) to Las Vegas (LAS) flights
- Boston to Miami (BOS - MIA)
- American Airlines Dallas (DFW) to Las Vegas (LAS) flights
- JetBlue Airways Boston (BOS) to Las Vegas (LAS) flights
- New York to Fort Lauderdale (JFK - FLL)
- Baltimore to Las Vegas (BWI - LAS)
- Dallas to Atlanta (DFW - ATL)
- Boston to Los Angeles (BOS - LAX)
- Philadelphia to Atlanta (PHL - ATL)
- Delta Atlanta (ATL) to Las Vegas (LAS) flights
- Dallas to Orlando (DFW - MCO)
- Los Angeles to Dallas (LAX - DFW)
- Chicago to Dallas (ORD - DFW)
- Dallas to Denver (DFW - DEN)
- Dallas to Chicago (DFW - ORD)
- Boston to Washington (BOS - DCA)
- Delta Minneapolis - St. Paul (MSP) to Las Vegas (LAS) flights
- Portland to Las Vegas (PDX - LAS)
- Philadelphia to Tampa (PHL - TPA)
- Philadelphia to Orlando (PHL - MCO)
- Los Angeles to Boston (LAX - BOS)
- JetBlue Airways Boston (BOS) to San Juan (SJU) flights
- Delta Detroit (DTW) to Las Vegas (LAS) flights
- Atlanta to Dallas (ATL - DFW)
- Dallas to Miami (DFW - MIA)
- Cleveland to Orlando (CLE - MCO)
- Los Angeles to Seattle (LAX - SEA)
- Dallas to Los Angeles (DFW - LAX)