Cheap Flights from Las Vegas, NV to Knoxville, TN from $73

Return flight: Knoxville – Las Vegas

On Cheapflightsplus.com you will find 1 direct and 404 connecting flights from Las Vegas to Knoxville. You can compare airfare deals from 7 airlines and multiple travel sites from $73, book and save on cheap plane tickets and last minute offers. Also check out LAS-TYS flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Las Vegas to Knoxville depends on and how to choose the most interesting flight option for you.

Distance between Las Vegas and Knoxville is 2793 miles. Time difference between the cities is 3h. Airplanes depart 00:10 to 23:59 from 1 Las Vegas airport and arrive 00:10 to 23:59 to 1 Knoxville airport. Average flight time is 3h 53m.

  • The fastest flight 3h 53m
  • Average flight time 3h 53m
  • The earliest flight 00:10
  • The latest flight 23:59
  • Distance 1736 ml

The cheapest months to travel to Knoxville are july (from 73 $), august (from 74 $), september (from 191 $).

The most expensive months are december (from 394 $), november (from 300 $), october (from 209 $).

What is the lowest airfare Las Vegas to Knoxville?

The cheapest plane ticket found by our users is $73. This airfare is for economy class on one-way G47 flight by Allegiant Air for July 4, 2025 which leaves Mccarran in Las Vegas at 06:45 am and arrives at Knoxville Mc Ghee Tyson at 13:38.

Economy class
$73
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Business class
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First class
?
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Flight Schedule Las Vegas (Nevada) to Knoxville (Tennessee)

00:44 — 17:20
13h 36m flight time
Find flight
from$124
00:44 — 06:12 Las Vegas — Chicago
NK2186 Spirit Airlines
8h 42m stop
14:54 — 17:20 Chicago — Knoxville
G43025 Allegiant Air
00:59 — 16:29
12h 30m flight time
Find flight
from$133
06:05 — 09:13 Las Vegas — Denver
F91994 Frontier Airlines
7h 41m stop
16:52 — 21:35 Denver — Knoxville
F92374 Frontier Airlines
05:15 — 17:20
9h 5m flight time
Find flight
from$124
05:15 — 10:50 Las Vegas — Chicago
NK2619 Spirit Airlines
4h 4m stop
14:54 — 17:20 Chicago — Knoxville
G43025 Allegiant Air
06:15 — 12:22+1day
27h 7m flight time
Find flight
from$98
06:15 — 11:00 Las Vegas — Austin
G431 Allegiant Air
22h 5m stop
09:05 — 12:22 Austin — Knoxville
G43033 Allegiant Air
06:15 — 15:12+1day
29h 57m flight time
Find flight
from$133
06:15 — 11:00 Las Vegas — Austin
G431 Allegiant Air
8h 28m stop
19:28 — 23:00 Austin — Sanford
G42825 Allegiant Air
14h 37m stop
13:37 — 15:12 Sanford — Knoxville
G41411 Allegiant Air
06:45 — 13:38
3h 53m flight time
Find flight
from$73
Las Vegas — Knoxville
G47 Allegiant Air
13:57 — 21:10+1day
28h 13m flight time
Find flight
from$124
13:57 — 20:36 Las Vegas — South Bend
G440 Allegiant Air
23h 14m stop
19:50 — 21:10 South Bend — Knoxville
G41399 Allegiant Air
14:00 — 16:12+1day
23h 12m flight time
Find flight
from$121
10:38 — 15:49 Las Vegas — Minneapolis
SY104 Sun Country Airlines
18h stop
13:09 — 16:12 Minneapolis — Knoxville
G43063 Allegiant Air
14:16 — 21:42+1day
28h 26m flight time
Find flight
from$92
14:16 — 20:18 Las Vegas — Fort Walton Beach
G4104 Allegiant Air
23h 3m stop
19:21 — 21:42 Fort Walton Beach — Knoxville
G41396 Allegiant Air
14:16 — 18:28+1day
25h 12m flight time
Find flight
from$101
14:16 — 20:18 Las Vegas — Fort Walton Beach
G4104 Allegiant Air
19h 49m stop
16:07 — 18:28 Fort Walton Beach — Knoxville
G41431 Allegiant Air
14:16 — 17:09+1day
23h 53m flight time
Find flight
from$106
14:16 — 20:18 Las Vegas — Fort Walton Beach
G4104 Allegiant Air
18h 30m stop
14:48 — 17:09 Fort Walton Beach — Knoxville
G41401 Allegiant Air
15:19 — 21:10+1day
26h 51m flight time
Find flight
from$109
15:19 — 21:56 Las Vegas — South Bend
G418 Allegiant Air
21h 54m stop
19:50 — 21:10 South Bend — Knoxville
G41399 Allegiant Air
18:50 — 16:12+1day
18h 22m flight time
Find flight
from$121
18:50 — 23:59 Las Vegas — Minneapolis
SY108 Sun Country Airlines
13h 10m stop
13:09 — 16:12 Minneapolis — Knoxville
G43063 Allegiant Air
18:51 — 17:20+1day
19h 29m flight time
Find flight
from$123
18:51 — 00:30 Las Vegas — Chicago
NK1851 Spirit Airlines
14h 24m stop
14:54 — 17:20 Chicago — Knoxville
G43025 Allegiant Air
23:59 — 16:12+1day
13h 13m flight time
Find flight
from$121
23:59 — 05:06 Las Vegas — Minneapolis
SY778 Sun Country Airlines
8h 3m stop
13:09 — 16:12 Minneapolis — Knoxville
G43063 Allegiant Air
Full flight schedule will help you in detecting at what time planes fly from Las Vegas to Knoxville. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on October 15, 2025.

Popular Airlines on the Route

The flight Las Vegas — Knoxville is served by 7 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 7 departures per week at the price of from $ 395 . And the most expensive tickets are offered by United Airlines airline - from $ 623.

Direct flights

There are 1 nonstop flights on the route. The fastest direct flight is G47 by Allegiant Air takes 3h 53m and the cheapest is G47 by Allegiant Air for $73.

  • G4 - Allegiant Air
    from $73
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See more direct flights

Connecting Flights

There are 404 flights with layovers on the route. The fastest connecting flight is UA529 by United Airlines takes 5h 51m and the cheapest is G47 by Allegiant Air for $92.

  • AS - Alaska Airlines
    from $395
    Find
  • F9 - Frontier Airlines
    from $133
    Find
  • SY - Sun Country Airlines
    from $121
    Find
  • MX - Mexicana
    from $265
    Find
  • UA - United Airlines
    from $172
    Find
  • G4 - Allegiant Air
    from $92
    Find
  • NK - Spirit Airlines
    from $123
    Find
See more connecting flights

Airports

You can fly from Las Vegas to Knoxville from 1 airports (Mccarran).

Las Vegas airports

  • Mccarran-LAS
    from $73
    Find

Knoxville airports

  • Mc Ghee Tyson-TYS
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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