Cheap Flights from Knoxville, TN to Las Vegas, NV from $51

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On Cheapflightsplus.com you will find 2 direct and 463 connecting flights from Knoxville to Las Vegas. You can compare airfare deals from 4 airlines and multiple travel sites from $51, 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: $51 (one-way), $87 (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 $51. The fastest direct flight takes 4h 7m and the fastest connecting – 6h 23m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $57 Find flight	14:28 Knoxville Mc Ghee Tyson	15:35 Las Vegas Mccarran	4h 7m	Allegiant Air	G444
from $67 Find flight	14:29 Knoxville Mc Ghee Tyson	15:53 Las Vegas Mccarran	4h 24m	Allegiant Air	G443
from $51 Find flight	17:30 Knoxville Mc Ghee Tyson	21:24 Las Vegas Mccarran	6h 54m layover 1h 23m - Denver	Frontier Airlines	F94369 F94611
from $72 Find flight	06:55 Knoxville Mc Ghee Tyson	17:43 Las Vegas Mccarran	13h 48m layover 8h 19m - Austin	Allegiant Air	G41410 NK1656
from $78 Find flight	06:00 Knoxville Mc Ghee Tyson	23:27 Las Vegas Mccarran	20h 27m layover 15h 26m - Phoenix	Allegiant Air	G41424 G462
from $78 Find flight	18:34 Knoxville Mc Ghee Tyson	13:57+1 день Las Vegas Mccarran	22h 23m layover 17h 33m - Belleville	Allegiant Air	G43024 G41636
from $90 Find flight	11:01 Knoxville Mc Ghee Tyson	15:39 Las Vegas Mccarran	7h 38m layover 1h 59m - Minneapolis	Allegiant Air	G41414 SY105
from $90 Find flight	06:00 Knoxville Mc Ghee Tyson	23:27 Las Vegas Mccarran	20h 27m layover 15h 26m - Phoenix	Allegiant Air	G41420 G462
from $95 Find flight	11:01 Knoxville Mc Ghee Tyson	09:21+1 день Las Vegas Mccarran	25h 20m layover 19h 41m - Minneapolis	Allegiant Air	G43064 SY103
from $101 Find flight	11:01 Knoxville Mc Ghee Tyson	17:03 Las Vegas Mccarran	9h 2m layover 3h 23m - Minneapolis	Allegiant Air	G43064 SY107
from $115 Find flight	16:38 Knoxville Mc Ghee Tyson	00:54+1 день Las Vegas Mccarran	11h 16m layover 3h 50m - Miami	Allegiant Air	G42106 NK777
from $104 Find flight	19:44 Knoxville Mc Ghee Tyson	23:39+1 день Las Vegas Mccarran	30h 55m layover 14h 45m - Sanford 9h 6m - West Memphis	Allegiant Air	G43056 G42921 G470
from $105 Find flight	18:34 Knoxville Mc Ghee Tyson	23:36+1 день Las Vegas Mccarran	32h 2m layover 2h 11m - Belleville 22h 23m - Fort Walton Beach	Allegiant Air	G43024 G43102 G4126
from $111 Find flight	15:01 Knoxville Mc Ghee Tyson	23:39+1 день Las Vegas Mccarran	35h 38m layover 19h 28m - Sanford 9h 6m - West Memphis	Allegiant Air	G41396 G42921 G470
from $114 Find flight	22:05 Knoxville Mc Ghee Tyson	14:45+1 день Las Vegas Mccarran	19h 40m layover 7h 7m - Sanford 5h 33m - Bentonville	Allegiant Air	G41258 G42868 G4117
from $114 Find flight	15:03 Knoxville Mc Ghee Tyson	14:45+1 день Las Vegas Mccarran	26h 42m layover 14h 9m - Sanford 5h 33m - Bentonville	Allegiant Air	G41252 G42868 G4117

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on June 25, 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
14:28 — 15:35	14:28 — 15:35 G444 Allegiant Air Knoxville — Las Vegas	4h 7m	Find flight from$57
14:29 — 15:53	14:29 — 15:53 G443 Allegiant Air Knoxville — Las Vegas	4h 24m	Find flight from$67
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$78
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$72
07:15 — 20:50	07:15 — 09:05 G41396 Allegiant Air Knoxville — Newark 9h 19m stop 18:24 — 20:50 NK903 Spirit Airlines Newark — Las Vegas	16h 35m including layover	Find flight from$116
07:15 — 22:05	07:15 — 09:05 G41396 Allegiant Air Knoxville — Newark 10h 32m stop 19:37 — 22:05 NK1805 Spirit Airlines Newark — Las Vegas	17h 50m including layover	Find flight from$116
09:07 — 00:54 +1 day	09:07 — 11:06 G42117 Allegiant Air Knoxville — Miami 11h 21m stop 22:27 — 00:54 NK777 Spirit Airlines Miami — Las Vegas	18h 47m including layover	Find flight from$121
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$90
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$90
16:38 — 00:54 +1 day	16:38 — 18:37 G42106 Allegiant Air Knoxville — Miami 3h 50m stop 22:27 — 00:54 NK777 Spirit Airlines Miami — Las Vegas	11h 16m including layover	Find flight from$115
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$51
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$71
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$78
18:34 — 13:57 +1 day	17:59 — 18:10 G41414 Allegiant Air Knoxville — Belleville 17h 33m stop 12:18 — 13:51 G41636 Allegiant Air Belleville — Las Vegas	22h 23m including layover	Find flight from$95
21:08 — 00:54 +2 days	21:08 — 23:08 G42158 Allegiant Air Knoxville — Miami 23h 19m stop 22:27 — 00:54 NK777 Spirit Airlines Miami — Las Vegas	30h 46m including layover	Find flight from$129
08:00 — 16:47 +1 day	08:00 — 10:11 G41396 Allegiant Air Knoxville — Boston 19h 49m stop 06:00 — 08:57 NK1179 Spirit Airlines Boston — Atlanta 6h 38m stop 15:35 — 16:47 NK332 Spirit Airlines Atlanta — Las Vegas	35h 47m including layover	Find flight from$129
08:30 — 23:34	08:30 — 10:11 G43022 Allegiant Air Knoxville — Clearwater 7h 10m stop 17:21 — 19:11 G42703 Allegiant Air Clearwater — Hayti 3h 49m stop 23:00 — 23:34 G457 Allegiant Air Hayti — Las Vegas	18h 4m including layover	Find flight from$135
10:54 — 23:05 +1 day	10:54 — 12:58 G4533 Allegiant Air Knoxville — Miami 20h 51m stop 09:49 — 12:25 G41991 Allegiant Air Miami — Covington 9h 24m stop 21:49 — 23:05 G41703 Allegiant Air Covington — Las Vegas	39h 11m including layover	Find flight from$122
10:54 — 11:31 +1 day	10:54 — 12:58 G4494 Allegiant Air Knoxville — Miami 8h 12m stop 21:10 — 23:11 G4248 Allegiant Air Miami — Fletcher 10h 49m stop 10:00 — 11:31 G41843 Allegiant Air Fletcher — Las Vegas	27h 37m including layover	Find flight from$132
12:44 — 14:55 +1 day	12:44 — 14:19 G43050 Allegiant Air Knoxville — Sanford 3h 33m stop 17:52 — 19:29 G41193 Allegiant Air Sanford — Chattanooga 18h 12m stop 13:41 — 14:55 G41648 Allegiant Air Chattanooga — Las Vegas	29h 11m including layover	Find flight from$130
13:12 — 23:28	12:55 — 14:12 G43045 Allegiant Air Knoxville — Jacksonville 2h 45m stop 17:14 — 19:35 G43493 Allegiant Air Jacksonville — Grand Rapids 2h 50m stop 22:32 — 23:37 G455 Allegiant Air Grand Rapids — Las Vegas	13h 16m including layover	Find flight from$127
15:01 — 23:39 +1 day	15:01 — 16:32 G41396 Allegiant Air Knoxville — Sanford 19h 28m stop 14:14 — 15:14 G42921 Allegiant Air Sanford — West Memphis 9h 6m stop 22:06 — 23:39 G470 Allegiant Air West Memphis — Las Vegas	35h 38m including layover	Find flight from$111
15:03 — 14:45 +1 day	15:03 — 16:36 G41252 Allegiant Air Knoxville — Sanford 14h 9m stop 06:45 — 08:14 G42868 Allegiant Air Sanford — Bentonville 5h 33m stop 13:47 — 14:45 G4117 Allegiant Air Bentonville — Las Vegas	26h 42m including layover	Find flight from$114
19:44 — 23:39 +1 day	19:44 — 21:15 G43056 Allegiant Air Knoxville — Sanford 14h 45m stop 14:14 — 15:14 G42921 Allegiant Air Sanford — West Memphis 9h 6m stop 22:06 — 23:39 G470 Allegiant Air West Memphis — Las Vegas	30h 55m including layover	Find flight from$104
19:44 — 23:28 +1 day	19:44 — 21:15 G43056 Allegiant Air Knoxville — Sanford 9h stop 11:16 — 13:48 G41211 Allegiant Air Sanford — Grand Rapids 13h 38m stop 22:25 — 23:28 G455 Allegiant Air Grand Rapids — Las Vegas	30h 44m including layover	Find flight from$139
22:05 — 14:45 +1 day	22:05 — 23:38 G41258 Allegiant Air Knoxville — Sanford 7h 7m stop 06:45 — 08:14 G42868 Allegiant Air Sanford — Bentonville 5h 33m stop 13:47 — 14:45 G4117 Allegiant Air Bentonville — Las Vegas	19h 40m including layover	Find flight from$114
22:05 — 18:24 +1 day	22:05 — 23:38 G41253 Allegiant Air Knoxville — Sanford 8h 27m stop 08:05 — 09:49 G41245 Allegiant Air Sanford — McAllen 7h 35m stop 17:24 — 18:24 G473 Allegiant Air McAllen — Las Vegas	23h 19m including layover	Find flight from$134

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

*Departure and arrival times - local. Updated on June 25, 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 05:45 to 22:05 from 1 Knoxville airport and arrive 05:45 to 22:05 to 1 Las Vegas airport. Average flight time is 4h 16m.

The fastest flight 4h 7m
Average flight time 4h 16m
The earliest flight 05:45
The latest flight 22:05
Distance 1736 ml

The cheapest months to travel to Las Vegas are november (from 69 $), june (from 69 $), july (from 77 $).

The most expensive months are december (from 208 $), september (from 201 $), october (from 163 $).

What is the lowest airfare Knoxville to Las Vegas?

The cheapest plane ticket found by our users is $51. This airfare is for economy class on one-way F94369 flight by Frontier Airlines for June 30, 2025 which leaves Mc Ghee Tyson in Knoxville at 17:30 am and arrives at Las Vegas Mccarran at 21:24.

Economy class

$51

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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 - 18 departures per week at the price of from $ 262 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 619.

Direct flights

There are 2 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 $57.

G4 - Allegiant Air

from $57

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Connecting Flights

There are 463 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 $51.

AS - Alaska Airlines

from $262

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F9 - Frontier Airlines

from $51

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UA - United Airlines

from $231

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G4 - Allegiant Air

from $72

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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 $51
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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?

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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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