$114 Cheap Flights from Knoxville (TYS) to Las Vegas (LAS)

View $114 flight on Thu, May 29, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Knoxville to Las Vegas (TYS-LAS)

Prices were available within the past 7 days and start at $114 for one-way flights and $218 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, May 29 - Sat, May 31
TYS
Knoxville
LAS
Las Vegas
$218 Roundtrip, found 5 hours ago
$218
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Thu, May 29 from Knoxville to Las Vegas, returning Sat, May 31, priced at $218 found 5 hours ago
Frontier Airlines
Thu, May 29 - Sun, Jun 1
TYS
Knoxville
LAS
Las Vegas
$228 Roundtrip, found 5 hours ago
$228
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Thu, May 29 from Knoxville to Las Vegas, returning Sun, Jun 1, priced at $228 found 5 hours ago
American Airlines
Sat, May 24 - Fri, May 30
TYS
Knoxville
LAS
Las Vegas
$229 Roundtrip, found 2 hours ago
$229
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, May 24 from Knoxville to Las Vegas, returning Fri, May 30, priced at $229 found 2 hours ago
United
Sun, May 25 - Sat, May 31
TYS
Knoxville
LAS
Las Vegas
$229 Roundtrip, found 2 days ago
$229
Roundtrip
found 2 days ago
Select United flight, departing Sun, May 25 from Knoxville to Las Vegas, returning Sat, May 31, priced at $229 found 2 days ago
Frontier Airlines
Thu, May 29 - Tue, Jun 10
TYS
Knoxville
LAS
Las Vegas
$230 Roundtrip, found 1 day ago
$230
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, May 29 from Knoxville to Las Vegas, returning Tue, Jun 10, priced at $230 found 1 day ago
American Airlines
Thu, May 29 - Sat, May 31
TYS
Knoxville
LAS
Las Vegas
$232 Roundtrip, found 5 hours ago
$232
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Thu, May 29 from Knoxville to Las Vegas, returning Sat, May 31, priced at $232 found 5 hours ago
American Airlines
Sat, May 24 - Fri, May 30
TYS
Knoxville
LAS
Las Vegas
$236 Roundtrip, found 2 hours ago
$236
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, May 24 from Knoxville to Las Vegas, returning Fri, May 30, priced at $236 found 2 hours ago
Delta
Wed, May 28 - Fri, May 30
TYS
Knoxville
LAS
Las Vegas
$237 Roundtrip, found 5 hours ago
$237
Roundtrip
found 5 hours ago
Select Delta flight, departing Wed, May 28 from Knoxville to Las Vegas, returning Fri, May 30, priced at $237 found 5 hours ago
Frontier Airlines
Thu, May 22 - Sat, May 24
TYS
Knoxville
LAS
Las Vegas
$238 Roundtrip, found 1 day ago
$238
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, May 22 from Knoxville to Las Vegas, returning Sat, May 24, priced at $238 found 1 day ago
Alaska Airlines
Sat, Sep 27 - Tue, Sep 30
TYS
Knoxville
LAS
Las Vegas
$351 Roundtrip, found 2 days ago
$351
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Sep 27 from Knoxville to Las Vegas, returning Tue, Sep 30, priced at $351 found 2 days ago

Frequently asked questions

How much does a flight from McGhee Tyson Airport (TYS) to Harry Reid Intl. Airport (LAS) cost?
Discover the latest flight deals from TYS to LAS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from TYS to LAS?
The cheapest flights from TYS to LAS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from TYS to LAS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from TYS to LAS. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from McGhee Tyson Airport (TYS) to Harry Reid Intl. Airport (LAS)?
On average, there are 2 nonstop flights taking off from McGhee Tyson Airport (TYS) to Harry Reid Intl. Airport (LAS) per week. If you don’t find one that works for your schedule, think about catching a flight that includes a layover. Filter your search on Expedia to include one stop or more and choose the next best option.
What are the most popular departure times for flights from McGhee Tyson Airport (TYS) to Harry Reid Intl. Airport (LAS)?
The 1 PM departures from TYS to LAS are the top choice for many travelers. Prices can be higher for these popular slots. If you’re hoping to save money, pick a less crowded time to fly.
What day of the week has the most flights from TYS to LAS?
Friday has the most flights from McGhee Tyson Airport (TYS) to Harry Reid Intl. Airport (LAS). Consider traveling on this day and you’ll have the best chance of finding a departure that fits your itinerary.
What is the earliest flight from McGhee Tyson Airport (TYS) to Harry Reid Intl. Airport (LAS)?
The earliest flight leaving McGhee Tyson Airport (TYS) is at around 1:58PM UTC-5. Board this flight and you’ll touch down at Harry Reid Intl. Airport (LAS) at approximately 3:44PM UTC-8. The total travel time is 4h 46m.
How long does it take to fly from McGhee Tyson Airport (TYS) to Harry Reid Intl. Airport (LAS)?
The average flight duration from TYS to LAS is 4 hours and 46 minutes, covering a total distance of 1,750 mi.
What is the best time to fly from McGhee Tyson Airport (TYS) to Harry Reid Intl. Airport (LAS)?
To avoid potential delays on the McGhee Tyson Airport (TYS) to Harry Reid Intl. Airport (LAS) route, aim to fly before 3 PM. Flights after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Las Vegas from McGhee Tyson Airport (TYS)?
If you’re on a direct flight from McGhee Tyson Airport (TYS) to Las Vegas, Harry Reid Intl. Airport (LAS) is the only airport you can land at.
Is it cheaper to buy a plane ticket from McGhee Tyson Airport (TYS) to Harry Reid Intl. Airport (LAS) last-minute?
Holding off until right before your break to book a ticket from TYS to LAS often results in higher prices. While it’s possible to find some last-minute discounts, there’s no guarantee. Be flexible with your itinerary for a better chance of scoring a bargain.
Is it cheaper to book a TYS to LAS flight and hotel package?
Compared with arranging hotels and flights separately, booking a TYS to LAS flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place will take the stress out of planning your trip. Simply pick your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from McGhee Tyson Airport (TYS) to Harry Reid Intl. Airport (LAS)?
If you booked your TYS to LAS flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.
*Available to One Key members.