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$110+ 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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — TYS
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Knoxville McGhee Tyson are usually found in August or April, booked 14 days in advance, depart on a Tuesday 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 April 29, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$176
(Mytrip)

One-way from

$110
(Booking.com)

Popular in

March

Cheapest in

August

Average price

$283

Good round-trip deal

$165 or less

Good one-way deal

$119 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. 15% potential increase in price ($60 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 29, 2025.

This Booking.com deal was found by Cheapflights users on 4/28. 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 11/1410:07 amLAS - TYS
Nonstop3h 48mAllegiant Air
Mon 11/178:00 amTYS - LAS
Nonstop4h 17mAllegiant Air
Deal found 4/28$172
This Mytrip deal was found by Cheapflights users on 4/27. 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.
Fri 6/136:45 amLAS - TYS
Nonstop3h 55mMultiple Airlines
Mon 6/1612:45 pmTYS - LAS
1 stop22h 44mMultiple Airlines
Deal found 4/27$215
This American Airlines deal was found by Cheapflights users on 4/27. 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.
Sat 5/242:46 pmLAS - TYS
1 stop6h 12mAmerican Airlines
Sun 5/256:28 pmTYS - LAS
1 stop6h 32mAmerican Airlines
Deal found 4/27$229
This Delta deal was found by Cheapflights users on 4/27. 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 5/2712:55 amLAS - TYS
1 stop7h 28mDelta
Fri 5/307:10 pmTYS - LAS
1 stop8h 01mDelta
Deal found 4/27$237
This Frontier deal was found by Cheapflights users on 4/27. 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 5/2812:59 amLAS - TYS
1 stop12h 36mFrontier
Sun 6/15:25 pmTYS - LAS
1 stop9h 11mFrontier
Deal found 4/27$258
This United Airlines deal was found by Cheapflights users on 4/28. 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 7/212:30 pmLAS - TYS
1 stop7h 05mUnited Airlines
Wed 7/95:45 amTYS - LAS
1 stop8h 06mUnited Airlines
Deal found 4/28$349
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 4/307:45 amLAS - TYS
2 stops12h 45mAlaska Airlines
Sat 5/35:15 amTYS - LAS
2 stops14h 25mAlaska Airlines
Deal found 4/28$589

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 April 29, 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 6/20

6:45 am-1:38 pm

Nonstop3h 53m

Knoxville McGhee Tyson

Mon 6/30

2:28 pm-3:38 pm

Nonstop4h 10m

$176

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Fri 6/13

6:45 am-1:40 pm

Nonstop3h 55m

Knoxville McGhee Tyson

Mon 6/16

12:45 pm-8:29 am

1 stop22h 44m

$215

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Sat 5/24

2:46 pm-11:58 pm

1 stop6h 12m

Knoxville McGhee Tyson

Sun 5/25

6:28 pm-10:00 pm

1 stop6h 32m

$229

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Tue 5/27

12:55 am-11:23 am

1 stop7h 28m

Knoxville McGhee Tyson

Fri 5/30

7:10 pm-12:11 am

1 stop8h 01m

$237

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Wed 5/28

12:59 am-4:35 pm

1 stop12h 36m

Knoxville McGhee Tyson

Sun 6/1

5:25 pm-11:36 pm

1 stop9h 11m

$258

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Wed 7/2

12:30 pm-10:35 pm

1 stop7h 05m

Knoxville McGhee Tyson

Wed 7/9

5:45 am-10:51 am

1 stop8h 06m

$349

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Wed 5/7

6:38 am-10:07 pm

2 stops12h 29m

Knoxville McGhee Tyson

Sat 5/10

5:05 am-4:40 pm

2 stops14h 35m

$519

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Fri 7/11

6:45 am-1:38 pm

Nonstop3h 53m

$110

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Sun 5/25

5:03 am-2:05 pm

1 stop6h 02m

$115

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Sat 5/31

9:14 am-4:29 pm

1 stop28h 15m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/26

Showing 1-10 of 14 results
1
2

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust 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 Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Las Vegas-Knoxville flight deals on Cheapflights vs. Mytrip >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 Mytrip the most. Mytrip 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.

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 April 25, 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 April 29, 2025.

It’s typically best to fly out from Las Vegas to Knoxville at noon. Doing so could potentially save you 43% 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 April 29, 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
9,961 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
734 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What airports do I use to fly from Las Vegas to Knoxville?

    To fly from Las Vegas to Knoxville, you need to book a flight from Harry Reid Intl (LAS) to McGhee Tyson (TYS). Nonstop flights to Knoxville McGhee Tyson from Las Vegas Harry Reid Intl take 3h 53m on average. When it comes time to book airfare, you have a few options: there is 1 outbound flight from Harry Reid Intl to McGhee Tyson offered by 5 different airlines.

  • 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 $176, 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 American Airlines and Delta - these airlines can fly you to your destination from $229 and $237, respectively. These flights start at 46% 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 $110. Users have also found prices from $115 and $130 on American 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 $135 on average our data indicates $161 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?

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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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$127Average$236FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$139Average$229FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$228Average$352FlexibilityNo cancel feeOn-time71%
DeltaCheapest$240Average$344FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$264Average$402FlexibilityNo cancel feeOn-time69%

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