Cheap Flights from Las Vegas, NV to Knoxville, TN from $72

Return flight: Knoxville – Las Vegas
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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 $72, 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.

Find One-Way and Round-Trip Las Vegas to Knoxville Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $72 (one-way), $123 (round-trip).
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Best Flights from Las Vegas to Knoxville Today

Take a look at the list of non stop flights and flights with layovers from Las Vegas to Knoxville with the lowest price of $72. The fastest direct flight takes 3h 53m and the fastest connecting – 5h 51m.
Price Departure Arrival Flight Duration Airline Flight
from $72
Find flight
06:45
Las Vegas
Mccarran
 13:38
Knoxville
Mc Ghee Tyson
 3h 53m Allegiant Air
G47
from $90
Find flight
14:16
Las Vegas
Mccarran
 21:42+1 день
Knoxville
Mc Ghee Tyson
 28h 26m
layover
23h 3m - Fort Walton Beach
 Allegiant Air
G4104
G41396
from $106
Find flight
15:19
Las Vegas
Mccarran
 21:10+1 день
Knoxville
Mc Ghee Tyson
 26h 51m
layover
21h 54m - South Bend
 Allegiant Air
G418
G41399
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 15, 2025
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 Arrival Flight Details Flight Duration Price
00:44 — 17:20
00:44 — 06:12 NK2186 Spirit Airlines
Las Vegas — Chicago
8h 42m stop
14:54 — 17:20 G43025 Allegiant Air
Chicago — Knoxville
13h 36m
including layover
Find flight
from$122
00:59 — 16:29
06:05 — 09:13 F91994 Frontier Airlines
Las Vegas — Denver
7h 41m stop
16:52 — 21:35 F92374 Frontier Airlines
Denver — Knoxville
12h 30m
including layover
Find flight
from$130
05:15 — 17:20
05:15 — 10:50 NK2619 Spirit Airlines
Las Vegas — Chicago
4h 4m stop
14:54 — 17:20 G43025 Allegiant Air
Chicago — Knoxville
9h 5m
including layover
Find flight
from$122
06:15 — 12:22
+1 day
06:15 — 11:00 G431 Allegiant Air
Las Vegas — Austin
22h 5m stop
09:05 — 12:22 G43033 Allegiant Air
Austin — Knoxville
27h 7m
including layover
Find flight
from$96
06:15 — 15:12
+1 day
06:15 — 11:00 G431 Allegiant Air
Las Vegas — Austin
8h 28m stop
19:28 — 23:00 G42825 Allegiant Air
Austin — Sanford
14h 37m stop
13:37 — 15:12 G41411 Allegiant Air
Sanford — Knoxville
29h 57m
including layover
Find flight
from$131
06:45 — 13:38
06:45 — 13:38 G47 Allegiant Air
Las Vegas — Knoxville
3h 53m
Find flight
from$72
13:57 — 21:10
+1 day
13:57 — 20:36 G440 Allegiant Air
Las Vegas — South Bend
23h 14m stop
19:50 — 21:10 G41399 Allegiant Air
South Bend — Knoxville
28h 13m
including layover
Find flight
from$122
14:00 — 16:12
+1 day
10:38 — 15:49 SY104 Sun Country Airlines
Las Vegas — Minneapolis
18h stop
13:09 — 16:12 G43063 Allegiant Air
Minneapolis — Knoxville
23h 12m
including layover
Find flight
from$119
14:16 — 21:42
+1 day
14:16 — 20:18 G4104 Allegiant Air
Las Vegas — Fort Walton Beach
23h 3m stop
19:21 — 21:42 G41396 Allegiant Air
Fort Walton Beach — Knoxville
28h 26m
including layover
Find flight
from$90
14:16 — 18:28
+1 day
14:16 — 20:18 G4104 Allegiant Air
Las Vegas — Fort Walton Beach
19h 49m stop
16:07 — 18:28 G41431 Allegiant Air
Fort Walton Beach — Knoxville
25h 12m
including layover
Find flight
from$99
14:16 — 17:09
+1 day
14:16 — 20:18 G4104 Allegiant Air
Las Vegas — Fort Walton Beach
18h 30m stop
14:48 — 17:09 G41401 Allegiant Air
Fort Walton Beach — Knoxville
23h 53m
including layover
Find flight
from$104
15:19 — 21:10
+1 day
15:19 — 21:56 G418 Allegiant Air
Las Vegas — South Bend
21h 54m stop
19:50 — 21:10 G41399 Allegiant Air
South Bend — Knoxville
26h 51m
including layover
Find flight
from$106
18:50 — 16:12
+1 day
18:50 — 23:59 SY108 Sun Country Airlines
Las Vegas — Minneapolis
13h 10m stop
13:09 — 16:12 G43063 Allegiant Air
Minneapolis — Knoxville
18h 22m
including layover
Find flight
from$119
18:51 — 17:20
+1 day
18:51 — 00:30 NK1851 Spirit Airlines
Las Vegas — Chicago
14h 24m stop
14:54 — 17:20 G43025 Allegiant Air
Chicago — Knoxville
19h 29m
including layover
Find flight
from$121
23:59 — 16:12
+1 day
23:59 — 05:06 SY778 Sun Country Airlines
Las Vegas — Minneapolis
8h 3m stop
13:09 — 16:12 G43063 Allegiant Air
Minneapolis — Knoxville
13h 13m
including layover
Find flight
from$119
*Departure and arrival times - local. Updated on September 15, 2025

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 72 $), august (from 72 $), september (from 187 $).

The most expensive months are december (from 386 $), november (from 294 $), october (from 204 $).

What is the lowest airfare Las Vegas to Knoxville?

The cheapest plane ticket found by our users is $72. 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
$72
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Business class
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First class
?
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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 $ 387 . And the most expensive tickets are offered by United Airlines airline - from $ 610.

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 $72.

  • G4 - Allegiant Air
    from $72
    Find
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 $90.

  • AS - Alaska Airlines
    from $387
    Find
  • F9 - Frontier Airlines
    from $130
    Find
  • SY - Sun Country Airlines
    from $119
    Find
  • MX - Mexicana
    from $260
    Find
  • UA - United Airlines
    from $169
    Find
  • G4 - Allegiant Air
    from $90
    Find
  • NK - Spirit Airlines
    from $121
    Find
See more connecting flights

Airports

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

Las Vegas airports

  • Mccarran-LAS
    from $72
    Find

Knoxville airports

  • Mc Ghee Tyson-TYS
    Find

Airplanes

There are flights to Knoxville from Las Vegas by 7 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Las Vegas

You may also consider searching for discounted plane tickets to some other popular places from Las Vegas within United States.

Top International Destinations from Las Vegas

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

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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