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More destinations from Knoxville with Allegiant Air G4.

Flights from McGhee Tyson Airport to McCarran Intl. Airport Cheap Flights from Knoxville to Las Vegas Prices were available within the past 7 days and starts at 91 for one-way flights and for round trip, for the period specified.

Prices and availability are subject to change.

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If you're not so fond of stopovers, it's a good idea to plan your flight from Knoxville, TN (TYS-McGhee Tyson) to Las Vegas, NV (LAS-McCarran Intl.) as early as possible. Allegiant Air is the only air carrier that offers nonstop flights to Las Vegas (and vicinity) from Knoxville (and vicinity).

Open TYS to LAS flights search result page Fares from 91 One Way, Round Trip from Knoxville to Las Vegas Prices starting at for return flights and 91 for one-way flights to Las Vegas were the cheapest prices found within the past 7 days, for the period specified.

Prices. Find airfare and ticket deals for cheap flights from McGhee Tyson (TYS) to Las Vegas, NV.

The price shown for each flight will be the average for all passengers including any infants.

Search flight deals from various travel partners with one click at Cheap Flights from McGhee Tyson (TYS) to Las Vegas, NV from - TYS to LAS Tickets & Airfare Deals at Each month there are several airlines that offer direct flights from Knoxville (TYS) to Las Vegas (LAS). Among the top airlines that consistently provide TYS to LAS flights include: Allegiant Air - (G4) with 30 direct flights between Knoxville and Las Vegas monthly; United Airlines - (UA) with 90 direct flights between TYS and LAS monthly.