Cheap Flights from Knoxville, TN to Las Vegas, NV from $66

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On Cheapflightsplus.com you will find 3 direct and 735 connecting flights from Knoxville to Las Vegas. You can compare airfare deals from 4 airlines and multiple travel sites from $66, book and save on cheap plane tickets and last minute offers. Also check out TYS-LAS flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Knoxville to Las Vegas 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: $66 (one-way), $113 (round-trip).

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Best Flights from Knoxville to Las Vegas Today

Take a look at the list of non stop flights and flights with layovers from Knoxville to Las Vegas with the lowest price of $66. The fastest direct flight takes 4h 7m and the fastest connecting – 6h 23m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $73 Find flight	14:28 Knoxville Mc Ghee Tyson	15:35 Las Vegas Mccarran	4h 7m	Allegiant Air	G444
from $85 Find flight	14:29 Knoxville Mc Ghee Tyson	15:53 Las Vegas Mccarran	4h 24m	Allegiant Air	G443
from $188 Find flight	14:30 Knoxville Mc Ghee Tyson	15:45 Las Vegas Mccarran	4h 15m	Allegiant Air	G477
from $66 Find flight	17:30 Knoxville Mc Ghee Tyson	21:24 Las Vegas Mccarran	6h 54m layover 1h 23m - Denver	Frontier Airlines	F94369 F94611
from $91 Find flight	06:55 Knoxville Mc Ghee Tyson	17:43 Las Vegas Mccarran	13h 48m layover 8h 19m - Austin	Allegiant Air	G41410 NK1656

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 18, 2025

Flight Schedule Knoxville (Tennessee) to Las Vegas (Nevada)

Full flight schedule will help you in detecting at what time planes fly from Knoxville to Las Vegas. 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	Flight Details	Flight Duration	Price
06:00 — 23:27	06:00 — 07:15 G41424 Allegiant Air Knoxville — Phoenix 15h 26m stop 22:24 — 23:36 G462 Allegiant Air Phoenix — Las Vegas	20h 27m including layover	Find flight from$99
06:00 — 23:27	06:00 — 06:49 G41420 Allegiant Air Knoxville — Phoenix 15h 26m stop 22:15 — 23:27 G462 Allegiant Air Phoenix — Las Vegas	20h 27m including layover	Find flight from$113
06:38 — 21:09	06:38 — 07:58 G41410 Allegiant Air Knoxville — Austin 12h 13m stop 20:11 — 21:09 NK2628 Spirit Airlines Austin — Las Vegas	17h 31m including layover	Find flight from$117
06:55 — 17:43	06:55 — 08:15 G41410 Allegiant Air Knoxville — Austin 8h 19m stop 16:34 — 17:43 NK1656 Spirit Airlines Austin — Las Vegas	13h 48m including layover	Find flight from$91
11:01 — 15:39	11:01 — 12:19 G41414 Allegiant Air Knoxville — Minneapolis 1h 59m stop 14:18 — 15:39 SY105 Sun Country Airlines Minneapolis — Las Vegas	7h 38m including layover	Find flight from$114
11:01 — 09:51 +1 day	11:01 — 12:19 G41414 Allegiant Air Knoxville — Minneapolis 20h 11m stop 08:30 — 09:51 SY103 Sun Country Airlines Minneapolis — Las Vegas	25h 50m including layover	Find flight from$114
14:28 — 15:35	14:28 — 15:35 G444 Allegiant Air Knoxville — Las Vegas	4h 7m	Find flight from$73
14:29 — 15:53	14:29 — 15:53 G443 Allegiant Air Knoxville — Las Vegas	4h 24m	Find flight from$85
14:30 — 15:45	14:30 — 15:45 G477 Allegiant Air Knoxville — Las Vegas	4h 15m	Find flight from$188
17:01 — 19:11 +1 day	17:01 — 18:11 G43036 Allegiant Air Knoxville — Houston 12h 54m stop 07:05 — 10:09 NK2170 Spirit Airlines Houston — Atlanta 7h 43m stop 17:52 — 19:11 NK2572 Spirit Airlines Atlanta — Las Vegas	29h 10m including layover	Find flight from$118
17:01 — 19:11 +1 day	17:01 — 18:11 G43036 Allegiant Air Knoxville — Houston 19h 40m stop 13:51 — 16:57 NK2571 Spirit Airlines Houston — Atlanta 55m stop 17:52 — 19:11 NK2572 Spirit Airlines Atlanta — Las Vegas	29h 10m including layover	Find flight from$118
17:30 — 21:24	19:30 — 20:46 F94369 Frontier Airlines Knoxville — Denver 1h 23m stop 20:43 — 21:44 F94611 Frontier Airlines Denver — Las Vegas	6h 54m including layover	Find flight from$66
17:30 — 23:36	16:19 — 17:48 F94369 Frontier Airlines Knoxville — Denver 3h 28m stop 07:00 — 08:14 F9777 Frontier Airlines Denver — Las Vegas	9h 6m including layover	Find flight from$90
17:30 — 08:01 +1 day	17:30 — 19:01 F94369 Frontier Airlines Knoxville — Denver 11h 59m stop 07:00 — 08:01 F92015 Frontier Airlines Denver — Las Vegas	17h 31m including layover	Find flight from$113
18:34 — 13:57 +1 day	18:34 — 18:51 G43024 Allegiant Air Knoxville — Belleville 17h 33m stop 12:24 — 13:57 G41636 Allegiant Air Belleville — Las Vegas	22h 23m including layover	Find flight from$99

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on September 18, 2025

Flight Information

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

Distance between Knoxville and Las Vegas is 2793 miles. Time difference between the cities is 3h. Airplanes depart 05:05 to 22:05 from 1 Knoxville airport and arrive 05:05 to 22:05 to 1 Las Vegas airport. Average flight time is 4h 15m.

The fastest flight 4h 7m
Average flight time 4h 15m
The earliest flight 05:05
The latest flight 22:05
Distance 1736 ml

The cheapest months to travel to Las Vegas are november (from 66 $), september (from 66 $), july (from 73 $).

The most expensive months are december (from 196 $), october (from 154 $), june (from 117 $).

What is the lowest airfare Knoxville to Las Vegas?

The cheapest plane ticket found by our users is $66. This airfare is for economy class on one-way F94369 flight by Frontier Airlines for September 22, 2025 which leaves Mc Ghee Tyson in Knoxville at 17:30 am and arrives at Las Vegas Mccarran at 21:24.

Economy class

$66

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Business class

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First class

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Popular Airlines on the Route

The flight Knoxville — Las Vegas is served by 4 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 28 departures per week at the price of from $ 331 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 780.

Direct flights

There are 3 nonstop flights on the route. The fastest direct flight is G444 by Allegiant Air takes 4h 7m and the cheapest is F94369 by Frontier Airlines for $73.

G4 - Allegiant Air

from $73

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Connecting Flights

There are 735 flights with layovers on the route. The fastest connecting flight is UA5673 by United Airlines takes 6h 23m and the cheapest is F94369 by Frontier Airlines for $66.

AS - Alaska Airlines

from $331

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F9 - Frontier Airlines

from $66

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UA - United Airlines

from $168

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G4 - Allegiant Air

from $91

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Airports

You can fly from Knoxville to Las Vegas from 1 airports (Mc Ghee Tyson).

Knoxville airports

Mc Ghee Tyson-TYS

from $66
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Las Vegas airports

Mccarran-LAS

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Airplanes

There are flights to Las Vegas from Knoxville by 4 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Knoxville

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

Knoxville — Orlando

from $73

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Knoxville — Las Vegas

from $74

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Knoxville — Chicago

from $76

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Knoxville — Denver

from $74

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Knoxville — Miami

from $66

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Knoxville — Boston

from $69

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Knoxville — Houston

from $54

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Knoxville — New Orleans

from $56

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Knoxville — Tampa

from $80

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Knoxville — Austin

from $54

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Top International Destinations from Knoxville

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.

Knoxville — Cancun

from $69

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Knoxville — Panama City

from $61

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How to book a plane 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.
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