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$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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — TYS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 April, booked 71 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 June 12, 2025.

Round-trip from

$158
(Cheapflightsfares)

One-way from

$75
(Mytrip)

Popular in

March

Cheapest in

July

Average price

$355

Good round-trip deal

$163 or less

Good one-way deal

$97 or less
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 ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/26:15 amLAS - TYS
Nonstop3h 57mAllegiant Air
Fri 7/42:28 pmTYS - LAS
Nonstop4h 07mAllegiant Air
Deal found 6/11$158
This Mytrip deal was found by Cheapflights users on 6/12. 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 10/29:59 amLAS - TYS
1 stop25h 29mMultiple Airlines
Mon 10/64:43 pmTYS - LAS
Nonstop4h 15mMultiple Airlines
Deal found 6/12$218
This Delta deal was found by Cheapflights users on 6/10. 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 7/812:34 amLAS - TYS
1 stop7h 34mDelta
Wed 7/164:02 pmTYS - LAS
1 stop8h 06mDelta
Deal found 6/10$251
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 7/212:05 pmLAS - TYS
1 stop9h 09mAmerican Airlines
Wed 7/95:05 amTYS - LAS
1 stop6h 40mAmerican Airlines
Deal found 6/12$256
This Booking.com deal was found by Cheapflights users on 6/11. 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.
Wed 8/2012:59 amLAS - TYS
1 stop15h 42mFrontier
Sun 8/248:33 pmTYS - LAS
1 stop6h 01mFrontier
Deal found 6/11$266
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 7/46:00 amLAS - TYS
2 stops8h 05mUnited Airlines
Mon 7/147:00 amTYS - LAS
1 stop6h 55mUnited Airlines
Deal found 6/12$275

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 June 12, 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

Wed 7/2

6:15 am-1:12 pm

Nonstop3h 57m

Knoxville McGhee Tyson

Fri 7/4

2:28 pm-3:35 pm

Nonstop4h 07m

$158

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Thu 9/11

5:56 pm-10:21 pm

1 stop25h 25m

Knoxville McGhee Tyson

Mon 9/15

8:30 am-9:43 am

Nonstop4h 13m

$184

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Tue 7/8

12:34 am-11:08 am

1 stop7h 34m

Knoxville McGhee Tyson

Wed 7/16

4:02 pm-9:08 pm

1 stop8h 06m

$251

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Wed 7/2

12:05 pm-12:14 am

1 stop9h 09m

Knoxville McGhee Tyson

Wed 7/9

5:05 am-8:45 am

1 stop6h 40m

$256

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Wed 8/20

12:59 am-7:41 pm

1 stop15h 42m

Knoxville McGhee Tyson

Sun 8/24

8:33 pm-11:34 pm

1 stop6h 01m

$266

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Fri 7/4

6:00 am-5:05 pm

2 stops8h 05m

Knoxville McGhee Tyson

Mon 7/14

7:00 am-10:55 am

1 stop6h 55m

$275

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Fri 9/12

3:35 pm-10:30 pm

Nonstop3h 55m

$75

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Thu 9/11

12:19 am-11:14 pm

1 stop19h 55m

$97

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Tue 6/24

12:55 am-11:08 am

1 stop7h 13m

$227

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Wed 7/9

12:59 am-4:29 pm

1 stop12h 30m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 12 results
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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 9, 2025.

The best time to book flights from Las Vegas to Knoxville is 71 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 June 12, 2025.

It’s typically best to fly out from Las Vegas to Knoxville at noon. Doing so could potentially save you 45% 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 June 12, 2025.
See what other customers who have flown with Delta, United Airlines and Allegiant Air 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.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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!
Allegiant Air
7.3
Good
725 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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!
Frontier
5.9
Fair
3,295 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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?

    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 $158, 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 Delta and American Airlines - these airlines can fly you to your destination from $251 and $256, respectively. These flights start at 50% 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 $227 and $249 on Delta and Frontier, respectively.

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

    Looking at all options, your cheapest flight can be booked for $86. While the most popular route (Las Vegas Harry Reid Intl - Knoxville McGhee Tyson) can be booked for $158 on average our data indicates $154 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
Maryville
Oak Ridge
Alcoa
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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$127Average$280FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$137Average$227FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$228Average$329FlexibilityNo cancel feeOn-time71%
DeltaCheapest$250Average$350FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$264Average$391FlexibilityNo cancel feeOn-time69%

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