$101 Cheap Frontier Airlines flights Kansas City (MCI) to Las Vegas (LAS)

Landing cheap one-way Frontier Airlines flights from MCI to LAS from $101 on Expedia is a cinch — just filter by “Price (lowest to highest).” Or check out our budget-friendly round-trip fares from $154 for your next adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Look for one-way or round-trip flights to Las Vegas in January or June. You could find an affordable fare with Frontier Airlines during these off-peak travel months.

Start searching one to three months before your departure to find cheaper fares on Frontier Airlines flights from Kansas City Intl. Airport (MCI) to Harry Reid Intl. Airport (LAS). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic journeys.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To figure out if there’s a direct journey from MCI to LAS with Frontier Airlines or other carriers, check the “Nonstop” box when browsing for flights.

Filter your results by “Early Morning” and “Morning” to find the earliest flights from MCI to LAS. Setting off early means you’re 20% less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Harry Reid Intl. Airport (LAS) is the main Las Vegas hub for Frontier Airlines flights from Kansas City Intl. Airport (MCI).

A rewarding loyalty program and the ability to rack up points through Frontier Miles are the start of the reasons to leave from MCI to LAS with Frontier Airlines. Plus, when you sign up to our One Key™ program, you can receive OneKeyCash™* alongside Frontier Airlines’s loyalty program earnings. You can put it toward your future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are generally free within 24 hours of making a booking, but your airline may charge a fee after that time. For further information about modifying your flights, head to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to update your itinerary without being charged, apply the “Changes included” and “No cancel fee” filters when organizing your trip.