Knoxville

$75+ Cheap flights from Las Vegas to Knoxville (LAS - TYS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — TYS
Jul 6 — Jul 131
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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Knoxville McGhee Tyson are usually found in July or October, booked 14 days in advance, depart on a Wednesday or Saturday and return on a Wednesday

Cheap flight deals from Las Vegas to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 1, 2025.

Round-trip from

$137
(Booking.com)

One-way from

$75
(Gotogate)

Popular in

March

Cheapest in

July

Average price

$270

Good round-trip deal

$170 or less

Good one-way deal

$143 or less
From Las Vegas Harry Reid Intl to Knoxville McGhee Tyson
One-way flight from Las Vegas Harry Reid Intl to Knoxville McGhee Tyson
Highest demand for flights based on searches. 16% potential increase in price ($61 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease ($23 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to Knoxville McGhee Tyson.
Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Knoxville McGhee Tyson.

Find flight deals from Las Vegas to Knoxville

Cheapest flights from Las Vegas to Knoxville
Explore the most affordable flight options available from Las Vegas to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

This Booking.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/16:45 amLAS - TYS
Nonstop3h 53mAllegiant Air
Mon 8/182:29 pmTYS - LAS
Nonstop4h 24mAllegiant Air
Deal found 7/1$137
This Priceline deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:00 amLAS - TYS
1 stop10h 41mFrontier
Mon 9/298:26 pmTYS - LAS
1 stop6h 07mFrontier
Deal found 7/1$180
This Mytrip deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:55 amLAS - TYS
1 stop11h 13mMultiple Airlines
Mon 9/298:30 amTYS - LAS
Nonstop4h 13mMultiple Airlines
Deal found 7/1$193
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2812:59 amLAS - TYS
1 stop7h 42mAmerican Airlines
Tue 8/56:29 pmTYS - LAS
1 stop7h 31mAmerican Airlines
Deal found 7/1$251
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/112:04 pmLAS - TYS
1 stop8h 55mDelta
Fri 7/42:32 pmTYS - LAS
1 stop7h 41mDelta
Deal found 6/30$257

Cheapflights Fare Finder

Customize your flight search to find flights from Las Vegas to Knoxville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 1, 2025.
Use the filters below to find and compare flights from Las Vegas to Knoxville that are best for you.

Fly from

Las Vegas

Fly to

Knoxville

Route

Depart

Return

Price

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Fri 8/1

6:45 am-1:38 pm

Nonstop3h 53m

Knoxville McGhee Tyson

Mon 8/18

2:29 pm-3:53 pm

Nonstop4h 24m

$137

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Thu 9/25

6:00 am-7:41 pm

1 stop10h 41m

Knoxville McGhee Tyson

Mon 9/29

8:26 pm-11:33 pm

1 stop6h 07m

$180

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Thu 9/25

8:55 am-11:08 pm

1 stop11h 13m

Knoxville McGhee Tyson

Mon 9/29

8:30 am-9:43 am

Nonstop4h 13m

$193

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Mon 7/28

12:59 am-11:41 am

1 stop7h 42m

Knoxville McGhee Tyson

Tue 8/5

6:29 pm-11:00 pm

1 stop7h 31m

$251

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Fri 7/18

1:37 pm-11:44 pm

1 stop7h 07m

Knoxville McGhee Tyson

Mon 7/28

5:12 pm-9:40 pm

1 stop7h 28m

$314

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Fri 8/15

6:40 am-1:39 pm

Nonstop3h 59m

$75

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Thu 9/25

6:00 am-7:41 pm

1 stop10h 41m

$94

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Fri 8/22

6:00 am-6:20 pm

1 stop9h 20m

$100

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Mon 7/28

12:34 am-11:08 am

1 stop7h 34m

$158

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Best time to book a flight from Las Vegas to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Las Vegas with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Las Vegas to Knoxville

How far ahead should I book a flight from Las Vegas to Knoxville?

Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to Knoxville. Price data was last updated on June 27, 2025.

The best time to book flights from Las Vegas to Knoxville is 14 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Las Vegas to Knoxville?

Currently, January is the cheapest month in which you can book a flight from Las Vegas to Knoxville (average of $296). Flying from Las Vegas to Knoxville in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LAS to TYS?

Find hourly flight availability from Las Vegas to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 1, 2025.

It’s typically best to fly out from Las Vegas to Knoxville at noon. Doing so could potentially save you 42% on the flight price compared to flying in the evening, which is usually more expensive.

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Knoxville. Reviews last updated July 1, 2025.
Read through reviews of airlines operating flights from Las Vegas to Knoxville, such as Delta, American Airlines, and Allegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How popular is this Las Vegas to Knoxville flight route?

  • What are the cheapest airlines flying from Las Vegas to Knoxville round-trip?

    Currently priced at $137, Allegiant Air will fly you from Las Vegas to Knoxville and back. In addition to Allegiant Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and American Airlines - these airlines can fly you to your destination from $180 and $251, respectively. These flights start at 56% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Las Vegas to Knoxville one-way?

    For one-way options, check prices for Allegiant Air. According to our data, you can fly for as low as $75. Users have also found prices from $94 and $158 on Frontier and Delta, respectively.

  • What are the cheapest flights from Las Vegas to Knoxville?

    Looking at all options, your cheapest flight can be booked for $89. While the most popular route (Las Vegas Harry Reid Intl - Knoxville McGhee Tyson) can be booked for $137 on average our data indicates $228 when flying from Las Vegas to Knoxville.

  • Can I find deals for flights from Las Vegas to Knoxville that include hotel bookings?

    Yes. In addition to deals on Las Vegas to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Las Vegas to Knoxville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Knoxville.

  • Can I find deals for business class flights from Las Vegas to Knoxville?

    Yes. Cheapflights offers flight deals from Las Vegas to Knoxville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Las Vegas to Knoxville?

    Currently, January is the cheapest month in which you can book a flight from Las Vegas to Knoxville (average of $296). Flying from Las Vegas to Knoxville in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Morristown
Cherokee
Corbin
Alcoa
Oak Ridge
Murphy

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Top 5 airlines flying from Las Vegas to Knoxville

Discover the top 5 airlines that operate flights from Las Vegas to Knoxville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$127Average$280FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$137Average$231FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$243Average$327FlexibilityNo cancel feeOn-time71%
DeltaCheapest$250Average$342FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$264Average$391FlexibilityNo cancel feeOn-time69%

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