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

Flights overview

Useful information for finding cheap flights from Las Vegas to Knoxville and booking your next trip

Cheapest round-trip flights	$168	Allegiant Nonstop 4 hr Fri, Jul 31 — Mon, Aug 3	The cheapest round-trip flight from Las Vegas to Knoxville is currently $168
Cheapest one-way flight	$98	Allegiant Nonstop 4 hr Fri, Jul 31	The cheapest one-way flight from Las Vegas to Knoxville is currently $98
Last-minute weekend getaway	$370	Frontier 1 stop 20 hr Thu, May 7 — Mon, May 11	The cheapest last-minute weekend getaway from Las Vegas to Knoxville is currently $370
Cheapest business class flights	$518	Frontier 1 stop 20 hr Thu, Jul 30 — Mon, Aug 3	The cheapest business class round-trip flight from Las Vegas to Knoxville is currently $518

Fastest flight	3 hr 47 min	The fastest nonstop flight from Las Vegas to Knoxville takes 3 hr 47 min
Nonstop flights	Some days	There are direct flights on this route 2 days a week: Mon, Fri.

When is the cheapest time to fly?

The cheapest month to fly from Las Vegas to Knoxville is typically September. The most expensive month to fly is typically March.

September Cheapest	Typical prices: $150–355
March Most expensive	Typical prices: $300–580

Popular airlines from Las Vegas to Knoxville

American

from $379

Typical price: $290–570

598 weekly connecting flights

LAS - TYS Every day
Delta

from $399

Typical price: $340–740

497 weekly connecting flights

LAS - TYS Every day
Southwest

from $345

Typical price: $365–690

318 weekly connecting flights

LAS - TYS Every day
United

from $404

Typical price: $305–600

242 weekly connecting flights

LAS - TYS Every day
Allegiant

Nonstop

from $168

Typical price: $205–415

2 weekly nonstop flights

LAS - TYS Every Mon, Fri
Frontier

from $250

Typical price: $250–630

22 weekly connecting flights

LAS - TYS Every Mon, Wed, Thu, Fri, Sat, Sun

Popular airports near Las Vegas

Harry Reid International Airport (LAS)

Las Vegas United States 16 min 6 mi
St. George Regional Airport (SGU) (SGU)

St. George United States 1 hr 52 min 108 mi
Boulder City Municipal Airport (BLD)

Boulder City United States 26 min 22 mi
Cedar City Regional Airport (CDC)

Cedar City United States 2 hr 31 min 154 mi

Popular airports near Knoxville

McGhee Tyson Airport (TYS)

Knoxville United States 21 min 11 mi
Nashville International Airport (BNA)

Nashville United States 2 hr 38 min 154 mi
Hartsfield-Jackson Atlanta International Airport (ATL)

Atlanta United States 3 hr 23 min 163 mi
Chattanooga Metropolitan Airport (CHA)

Chattanooga United States 1 hr 39 min 96 mi

Frequently asked questions about flying from Las Vegas to Knoxville

The cheapest flights from Las Vegas to Knoxville are usually in September. Typical ticket prices in September range from $150 to $355.

The cheapest round-trip flight from Las Vegas to Knoxville recently found on Google Flights was with Allegiant from $168. The cheapest one-way flight was with Allegiant from $98.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest American flight from Las Vegas to Knoxville is $379, flying from Jun 13 to Jun 14.
The cheapest Delta flight from Las Vegas to Knoxville is $399, flying from Jul 9 to Jul 12.
The cheapest Southwest flight from Las Vegas to Knoxville is $345, flying from Aug 1 to Aug 2.
The cheapest United flight from Las Vegas to Knoxville is $404, flying from Jul 10 to Jul 13.
The cheapest Allegiant flight from Las Vegas to Knoxville is $168, flying from Jul 31 to Aug 3.
The cheapest Frontier flight from Las Vegas to Knoxville is $250, flying from Jun 11 to Jun 15.

The cheapest round-trip flight from Las Vegas to Knoxville starts at $168 from Fri, Jul 31 to Mon, Aug 3. The cheapest one-way flight starts at $98 and departs on Fri, Jul 31.

3 hr 47 min is the shortest flight time from Las Vegas to Knoxville.

A common time to visit Knoxville is May–Oct, when the weather is warm and relatively dry. Summers (Jun–Aug) are warm to hot, and winters (Dec–Feb) are cool. Rain is possible year-round. The annual Big Ears Music Festival (Mar) features music, film and visual art. The Rhythm N' Blooms Music Festival sees performances in the city's historic district. The Dogwood Arts Festival (Apr) brings arts and crafts booths, live music and food stalls to Market Square.

It's easy to use Google Flights to find the cheapest days to fly from Las Vegas to Knoxville.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Las Vegas to Knoxville really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Las Vegas to Knoxville.

In terms of nonstop flights, Allegiant is the most popular. Allegiant offers 2 nonstop flights per week. Allegiant flies from Harry Reid International Airport (LAS) to McGhee Tyson Airport (TYS) .

In terms of flights, American is the most popular. American offers 598 connecting flights per week. American flies from Harry Reid International Airport (LAS) to McGhee Tyson Airport (TYS) .

Other popular airlines flying from Las Vegas to Knoxville are:

Delta offers 497 connecting flights per week. Delta flies from Harry Reid International Airport (LAS) to McGhee Tyson Airport (TYS) .
Southwest offers 318 connecting flights per week. Southwest flies from Harry Reid International Airport (LAS) to McGhee Tyson Airport (TYS) .
United offers 242 connecting flights per week. United flies from Harry Reid International Airport (LAS) to McGhee Tyson Airport (TYS) .
Frontier offers 22 connecting flights per week. Frontier flies from Harry Reid International Airport (LAS) to McGhee Tyson Airport (TYS) .

The number of connecting flights refers to distinct flights with at least one stop between Las Vegas and Knoxville.

The cheapest round-trip flight from Las Vegas to Knoxville recently found on Google Flights was with Allegiant from $168. The cheapest one-way flight was with Allegiant from $98.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest American flight from Las Vegas to Knoxville is $379, flying from Jun 13 to Jun 14.
The cheapest Delta flight from Las Vegas to Knoxville is $399, flying from Jul 9 to Jul 12.
The cheapest Southwest flight from Las Vegas to Knoxville is $345, flying from Aug 1 to Aug 2.
The cheapest United flight from Las Vegas to Knoxville is $404, flying from Jul 10 to Jul 13.
The cheapest Allegiant flight from Las Vegas to Knoxville is $168, flying from Jul 31 to Aug 3.
The cheapest Frontier flight from Las Vegas to Knoxville is $250, flying from Jun 11 to Jun 15.

Allegiant flies direct from Las Vegas to Knoxville.

There are 2 Allegiant direct flights from Las Vegas to Knoxville per week. Flights are available on Monday and Friday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Las Vegas and Knoxville at price $370 is offered by Frontier from Thu, May 7 to Mon, May 11.

Allegiant flies direct from Las Vegas to Knoxville.

There are 2 Allegiant direct flights from Las Vegas to Knoxville per week. Flights are available on Monday and Friday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

Direct flights from Las Vegas to Knoxville are only available on Monday and Friday.

The cheapest direct (nonstop) round-trip flights between Las Vegas and Knoxville start at $168 from Fri, Jul 31 to Mon, Aug 3 with Allegiant.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Las Vegas to Knoxville, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Las Vegas and Knoxville start at $518 from Thu, Jul 30 to Mon, Aug 3 with Frontier.

The cheapest economy class round-trip flights between Las Vegas and Knoxville start at $168 from Fri, Jul 31 to Mon, Aug 3.

To book business class trips from Las Vegas to Knoxville, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Las Vegas and Knoxville starts at $370 from Thu, May 7 to Mon, May 11 with Frontier.

The cheapest last-minute deal between Las Vegas and Knoxville at price $370 is offered by Frontier from Thu, May 7 to Mon, May 11.

To find last-minute flight deals from Las Vegas to Knoxville, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.