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Cheap Flights from Knoxville to Las Vegas starting at S$ 117

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Cheapest time to fly from Knoxville to Las Vegas

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from Knoxville to Las Vegas

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From S$ 117
Allegiant Air
From S$ 169
American Airlines
From S$ 176
United Airlines
From S$ 237
Delta Air Lines
From S$ 268
ANA airlines

Find more flights and airlines

Alternative Routes from Knoxville to Las Vegas

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Knoxville to Las Vegas.

  • Cheapest
    Frontier Airlines
    TYS
    13:43
    8h 31m
    1 transfer
    LAS
    19:14
    Mcghee Tyson Airport - Harry Reid International Airport
    Mon, Apr 8Frontier Airlines
    S$ 117
  • Frontier Airlines
    TYS
    13:43
    8h 31m
    1 transfer
    LAS
    19:14
    Mcghee Tyson Airport - Harry Reid International Airport
    Mon, Apr 8Frontier Airlines
    S$ 117
    Find More Flights

Frequently Asked Questions

  • When to buy flight tickets from Knoxville (TYS) to Las Vegas (LAS) the cheapest?

    Airlines adjust prices for flights from Knoxville to Las Vegas based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much is a flight from Knoxville (TYS) to Las Vegas (LAS) cost?

    According to Trip.com's data, the lowest price is around S$ 733.
  • How long is a flight from Knoxville (TYS) to Las Vegas (LAS)?

    It takes about 4 hours 33 minutes to fly from Knoxville (TYS) to Las Vegas (LAS).
  • What are the most popular airlines that fly from Knoxville (TYS) to Las Vegas (LAS)?

    Airlines with flights from Knoxville (TYS) to Las Vegas (LAS): Allegiant Air.
  • What's the most popular airline for direct flights from Knoxville (TYS) to Las Vegas (LAS)?

    Allegiant Air operates 1 direct flights from Knoxville (TYS) to Las Vegas (LAS).
  • How many airports in Las Vegas?

Find cheapest flight ticket from Knoxville to Las Vegas

Cheapest direct flight price

S$ 116

Cheapest return ticket price

S$ 292

Cheapest month

December

Peak season for travel

June