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$115+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — TYS
Mar 13 — Mar 201
Thu 3/13
Thu 3/20
1 adult, Economy
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The best prices from Las Vegas Harry Reid Intl to Knoxville McGhee Tyson are usually found in August or April, booked 66 days in advance, depart on a Tuesday or Saturday and return on a Monday

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 March 8, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$130
(Mytrip)

One-way from

$115
(American Airlines)

Popular in

March

Cheapest in

August

Average price

$488

Good round-trip deal

$199 or less

Good one-way deal

$114 or less
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Knoxville McGhee Tyson flight deals.
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Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Knoxville McGhee Tyson flights.
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From Las Vegas Harry Reid Intl to Knoxville McGhee Tyson
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One-way flight from Las Vegas Harry Reid Intl to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 12% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to Knoxville McGhee Tyson.
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Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Knoxville McGhee Tyson.
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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 March 8, 2025.

This Mytrip deal was found by Cheapflights users on 3/6. 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.
Wed 4/91:19 pmLAS - TYS
Nonstop3h 50mAllegiant Air
Wed 4/1611:00 amTYS - LAS
Nonstop4h 29mAllegiant Air
Deal found 3/6$130
This Frontier deal was found by Cheapflights users on 3/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2112:59 amLAS - TYS
1 stop12h 36mFrontier
Thu 5/295:30 pmTYS - LAS
1 stop6h 54mFrontier
Deal found 3/7$185
This Mytrip deal was found by Cheapflights users on 3/6. 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.
Wed 4/910:10 pmLAS - TYS
1 stop19h 45mMultiple Airlines
Wed 4/1611:00 amTYS - LAS
Nonstop4h 29mMultiple Airlines
Deal found 3/6$213
This American Airlines deal was found by Cheapflights users on 3/6. 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.
Tue 4/812:59 amLAS - TYS
1 stop7h 35mAmerican Airlines
Wed 4/165:24 amTYS - LAS
1 stop6h 52mAmerican Airlines
Deal found 3/6$229
This United Airlines deal was found by Cheapflights users on 3/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/96:00 amLAS - TYS
1 stop6h 51mUnited Airlines
Wed 4/167:00 amTYS - LAS
2 stops8h 59mUnited Airlines
Deal found 3/6$234
This Delta deal was found by Cheapflights users on 3/7. 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.
Fri 5/212:35 amLAS - TYS
1 stop6h 05mDelta
Sat 5/102:20 pmTYS - LAS
1 stop6h 35mDelta
Deal found 3/7$237
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:38 amLAS - TYS
2 stops12h 33mAlaska Airlines
Fri 5/97:50 pmTYS - LAS
2 stops21h 21mAlaska Airlines
Deal found 3/7$514

Find flights from Las Vegas to Knoxville within your budget

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 March 8, 2025.

Fly from

Las Vegas

Fly to

Knoxville

Route

Depart

Return

Price

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Wed 4/9

1:19 pm-8:09 pm

Nonstop3h 50m

Knoxville McGhee Tyson

Wed 4/16

11:00 am-12:29 pm

Nonstop4h 29m

$130

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Thu 3/27

2:47 pm-11:34 am

1 stop17h 47m

Knoxville McGhee Tyson

Mon 3/31

2:43 pm-4:13 pm

Nonstop4h 30m

$182

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Wed 5/21

12:59 am-4:35 pm

1 stop12h 36m

Knoxville McGhee Tyson

Thu 5/29

5:30 pm-9:24 pm

1 stop6h 54m

$185

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Tue 4/8

12:59 am-11:34 am

1 stop7h 35m

Knoxville McGhee Tyson

Wed 4/16

5:24 am-9:16 am

1 stop6h 52m

$229

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Wed 4/9

6:00 am-3:51 pm

1 stop6h 51m

Knoxville McGhee Tyson

Wed 4/16

7:00 am-12:59 pm

2 stops8h 59m

$234

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Fri 5/2

12:35 am-9:40 am

1 stop6h 05m

Knoxville McGhee Tyson

Sat 5/10

2:20 pm-5:55 pm

1 stop6h 35m

$237

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Tue 5/6

6:38 am-10:11 pm

2 stops12h 33m

Knoxville McGhee Tyson

Fri 5/9

7:50 pm-2:11 pm

2 stops21h 21m

$514

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Sat 5/17

2:46 pm-11:58 pm

1 stop6h 12m

$115

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Sat 5/17

7:29 pm-10:05 am

2 stops11h 36m

$165

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Thu 6/19

6:00 am-4:08 pm

1 stop7h 08m

$190

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 13 results
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Compare providers for flights from Las Vegas to Knoxville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Las Vegas to Knoxville in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Las Vegas-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Las Vegas-Knoxville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Las Vegas-Knoxville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Las Vegas to Knoxville

Get recent, data-driven insights about flights from Las Vegas to Knoxville including ideal travel times, pricing trends, and more.

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 February 28, 2025.

The best time to book flights from Las Vegas to Knoxville is 66 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 $297). 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 March 8, 2025.

It’s typically best to fly out from Las Vegas to Knoxville at noon. Doing so could potentially save you 38% on the flight price compared to flying in the evening, which is usually more expensive.

Rainfall in Knoxville by month

Plan your trip to Knoxville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Knoxville ranges from 2.7 - 4.8 inches per month. March is typically the wettest month, when rainfall can reach 4.8 in. October is typically the driest time to visit Knoxville when rainfall is around 2.7 in.

Temperature in Knoxville by month

Plan your trip to Knoxville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Knoxville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 March 8, 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Las Vegas to Knoxville have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,714 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,714 reviews
Alaska Airlines
8.0
Very good
9,714 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,024 reviews
Alaska Airlines
8.0
Very good
9,714 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,649 reviews
Alaska Airlines
8.0
Very good
9,714 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Allegiant Air
7.3
Good
748 reviews
Alaska Airlines
8.0
Very good
9,714 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,714 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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?

    The Las Vegas Harry Reid Intl to Knoxville McGhee Tyson flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Currently priced at $130, 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 $185 and $229, respectively. These flights start at 60% 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 American Airlines. According to our data, you can fly for as low as $115. Users have also found prices from $165 and $191 on United Airlines and Frontier, respectively.

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

    Looking at all options, your cheapest flight can be booked for $82. While the most popular route (Las Vegas Harry Reid Intl - Knoxville McGhee Tyson) can be booked for $130 on average our data indicates $179 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 $297). 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?

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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 March 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$116Average$236FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$139Average$230FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$234Average$366FlexibilityNo cancel feeOn-time71%
DeltaCheapest$250Average$356FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$263Average$398FlexibilityNo cancel feeOn-time69%
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