$134 Cheap Frontier Airlines flights Knoxville (TYS) to Las Vegas (LAS)

View $134 flight on Thu, Nov 6, 2025Opens in a new window

$134 Cheap Frontier Airlines flights Knoxville (TYS) to Las Vegas (LAS)

Prices were available within the past 7 days and start at $134 for one-way flights and $258 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Sep 15 - Sat, Sep 20
TYS
Knoxville
LAS
Las Vegas
$258 Roundtrip, just found
$258
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Sep 15 from Knoxville to Las Vegas, returning Sat, Sep 20, priced at $258 just found
Frontier Airlines
Thu, Nov 6 - Sun, Nov 9
TYS
Knoxville
LAS
Las Vegas
$263 Roundtrip, just found
$263
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Nov 6 from Knoxville to Las Vegas, returning Sun, Nov 9, priced at $263 just found
Frontier Airlines
Mon, Sep 15 - Mon, Sep 22
TYS
Knoxville
LAS
Las Vegas
$268 Roundtrip, just found
$268
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Sep 15 from Knoxville to Las Vegas, returning Mon, Sep 22, priced at $268 just found
Frontier Airlines
Mon, Sep 8 - Tue, Sep 9
TYS
Knoxville
LAS
Las Vegas
$282 Roundtrip, found 2 hours ago
$282
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Mon, Sep 8 from Knoxville to Las Vegas, returning Tue, Sep 9, priced at $282 found 2 hours ago
Flights from Knoxville (TYS) to Las Vegas (LAS)
Origin airport
McGhee Tyson
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Popular airline
American Airlines
Distance
1735 mi
Average flight time
4 hours 7 mins

Frequently asked questions

How much is a Frontier Airlines flight from McGhee Tyson Airport (TYS) to Harry Reid Intl. Airport (LAS)?
You can find affordable round-trip Frontier Airlines flights from $258 from TYS to LAS by filtering your results from "Price (lowest to highest)" on Expedia. Or search for options from $134 for a one-way journey.**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.
What is the cheapest month to fly from TYS to LAS with Frontier Airlines?
Look for one-way or return flights to Las Vegas in January or June. You could find a cheap fare with Frontier Airlines during these off-peak months.
What is the cheapest time to book flights from McGhee Tyson Airport (TYS) to Harry Reid Intl. Airport (LAS) with Frontier Airlines?
Start searching one to three months ahead of your departure date to find cheap fares on Frontier Airlines flights from McGhee Tyson Airport (TYS) to Harry Reid Intl. Airport (LAS). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to 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 trips.*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.
Does Frontier Airlines fly nonstop from McGhee Tyson Airport (TYS) to Harry Reid Intl. Airport (LAS)?
To find out if there's a direct journey from TYS to LAS with Frontier Airlines or any other carriers, check the "Nonstop" filter when looking for flights.
What is the earliest Frontier Airlines flight from TYS to LAS?
Find Frontier Airlines's earliest flights from TYS to LAS by checking our "Morning" and "Early Morning" filters. Not only will you arrive sooner, early departures are also 20% less likely to be canceled.**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.
What airports does Frontier Airlines fly into in Las Vegas?
Frontier Airlines flights from McGhee Tyson Airport (TYS) to Las Vegas land at Harry Reid Intl. Airport (LAS). This is the main gateway to this city.
Why fly with Frontier Airlines from TYS to LAS?
A rewarding loyalty program and the chance to rack up points through Frontier Miles are the start of the reasons to travel from TYS to LAS with Frontier Airlines. Plus, by joining Expedia's free One Key™ program, you can earn OneKeyCash™* in addition to Frontier Airlines's loyalty program earnings. It's yours to spend on future travel plans.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Frontier Airlines flight from McGhee Tyson Airport (TYS) to Harry Reid Intl. Airport (LAS)?
Depending on the type of fare you purchased, a fee is typically charged if you cancel or reschedule your booking more than 24 hours after confirmation. To secure plane tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes while looking for flights. For more information on canceling or modifying your reservation, head to "Trips," select your flight and tick "Manage Booking."

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*Available to One Key members.