Cheap Flights From Lambert-St. Louis Intl. (STL) To Harry Reid Intl. (LAS)

With good range of airlines operating nonstop flights from Lambert Field to LAS, you'll easily find one that ticks all your boxes. Here are some of the most well-liked air carriers:

• Southwest Airlines - (WN) with 95 flights every month
• Frontier Airlines - (F9) with 43 flights every month
• Spirit Airlines - (NK) with 30 flights every month
• Sun Country Airlines - (SY) with 4 flights every month

Here's the deal: It is typically possible to start comparing international airfares on Travelocity.ca up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2-4 weeks prior to their travel dates.*According to flight demand on Travelocity.ca from January to December 2021. Savings are subject to change and may vary depending on selections made.