Are direct flights from Knoxville to Las Vegas always the best option?

Direct flights usually offer convenience and save travel time, but they are not always the cheapest option. Flights with layovers can sometimes be more affordable, especially if you are flexible with your schedule. Consider your priorities for cost versus travel duration.

Can flexible travel dates help on Knoxville to Las Vegas flights?

Yes, being flexible with your travel dates can often lead to finding more economical flights. Prices can vary significantly depending on the day of the week or season. Flying during off-peak times may help you secure better deals.

What extra costs should I check before booking Knoxville to Las Vegas flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Factor these into your total travel budget.

Flights From Knoxville

To Las Vegas

Cheap Flights from Knoxville to Las Vegas

Browse current best options from Knoxville. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Knoxville

RatePunk searches hundreds of travel sites at once for deals on flights to Las Vegas

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Knoxville to Las Vegas

Explore current cheapest deals departing from Knoxville to Las Vegas

2026-10-19 – 2026-10-29
TYS - Las Vegas
86% AI deal score
$214
$125
Round trip
2026-10-12 – 2026-10-29
TYS - Las Vegas
83% AI deal score
$196
$137
Round trip
2026-10-16 – 2026-10-22
TYS - Las Vegas
85% AI deal score
$230
$138
Round trip
2026-10-16 – 2026-10-29
TYS - Las Vegas
83% AI deal score
$207
$139
Round trip
2026-10-22 – 2026-10-29
TYS - Las Vegas
85% AI deal score
$234
$145
Round trip
2026-09-21 – 2026-09-27
TYS - Las Vegas
83% AI deal score
$212
$146
Round trip
2026-10-11 – 2026-10-29
TYS - Las Vegas
80% AI deal score
$196
$153
Round trip
2026-11-02 – 2026-11-06
TYS - Las Vegas
86% AI deal score
$265
$153
Round trip
2026-09-20 – 2026-09-27
TYS - Las Vegas
81% AI deal score
$209
$155
Round trip
2027-01-11 – 2027-01-15
TYS - Las Vegas
87% AI deal score
$289
$158
Round trip

Knoxville to Las Vegas: Overview

Insights for flights from Knoxville to Las Vegas

Most itineraries from Knoxville to Las Vegas connect at least once, with only 24.5% of recent fares being non-stop. For connecting itineraries, the typical number of stopovers is two. This means that while direct flights from Knoxville to Las Vegas are available, you will frequently encounter options with layovers.

When is the cheapest time to fly from Knoxville to Las Vegas? The most affordable months to fly are October and September, both with a median fare of $153. Following closely is August, where the median fare is $173. These months offer significantly lower prices compared to the overall median, making them ideal for finding cheap flights from Knoxville to Las Vegas.

A typical journey from Knoxville to Las Vegas, including connections, takes approximately 4h 18m. While non-stop flights have a median duration of 4h 18m, connecting flights typically extend to about 8h 8m. This difference highlights the impact of stopovers on your overall travel time.

Fares for flights from Knoxville to Las Vegas typically range from $249–$877, with a median of $588. Right now, current fares are near the typical level. Approximately 34% of recent fares were classified as a good price, indicating that competitive deals are available if you monitor prices. New deals appear almost daily, making it beneficial to set up price alerts.

How much is a round trip from Knoxville to Las Vegas

Regular price: $179 - $498

Prices are currently below the regular range.

Regular prices for flights from Knoxville to Las Vegas typically range from $179 to $498. The current lowest deal is $125 with Allegiant Air, for travel from Oct 19-Oct 29.

now $125

Low $179

High $498

The cheapest time to fly from Knoxville to Las Vegas

The cheapest month to fly from TYS to LAS is October, with a median price of $154. The most expensive month is May, with a median price of $1719. Prices are generally lower from January to October.

October

Cheapest

Flights from $154

May

Most Expensive

Flights from $1,719

Jan

Feb

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Direct flights from Knoxville to Las Vegas

Allegiant Air

Last-minute flights going from Knoxville to Las Vegas

Mon, Aug 3

⌛ Last-Minute

TYS - Las Vegas

Knoxville (TYS) - Las Vegas (LAS)

Allegiant Air

$467

$360

One-way

Fri, Aug 7

⌛ Last-Minute

TYS - Las Vegas

Knoxville (TYS) - Las Vegas (LAS)

Allegiant Air

$433

$328

One-way

Sun, Aug 9

⌛ Last-Minute

TYS - Las Vegas

Knoxville (TYS) - Las Vegas (LAS)

Allegiant Air

$377

$224

One-way

Mon, Aug 10

⌛ Last-Minute

TYS - Las Vegas

Knoxville (TYS) - Las Vegas (LAS)

Allegiant Air

$220

$161

One-way

Mon, Aug 10

⌛ Last-Minute

TYS - Las Vegas

Knoxville (TYS) - Las Vegas (LAS)

Allegiant Air

$215

$178

One-way

Mon, Aug 10

⌛ Last-Minute

TYS - Las Vegas

Knoxville (TYS) - Las Vegas (LAS)

Allegiant Air

$275

$199

One-way

Biggest price drops on these dates for flights from Knoxville to Las Vegas

2 nights

Aug 15 - Aug 17

$390 → $219

44%

5 nights

Aug 9 - Aug 14

$377 → $224

41%

3 nights

Aug 14 - Aug 17

$386 → $236

39%

7 nights

Aug 15 - Aug 22

$355 → $215

39%

Popular Airports to fly from Knoxville to Las Vegas

Knoxville - Las Vegas route insights

💸 Price insights

Recent fares are near the typical level

Recent fares for Knoxville to Las Vegas are near the typical level, with deals from $125.

📅 Best time to fly

October is historically the cheapest month

Historically, October is the cheapest month to fly from Knoxville to Las Vegas, with a median price of $154.

⏱️ Flight duration

Direct flights average 4h 18m

Direct flights from Knoxville to Las Vegas typically average 4 hours and 18 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant on this route, with a median of 2 stopovers when connecting.

🏆 Airline highlight

Allegiant Air offers direct deals

Allegiant Air has offered direct deals for flights from Knoxville to Las Vegas.

🎯 Booking tip

Deals appear frequently

Deals for flights from Knoxville to Las Vegas appear frequently, typically within a 30-day window.

Knoxville main airports to depart from

McGhee Tyson (TYS)

Cheapest

McGhee Tyson Airport is a convenient option for flights from Knoxville to Las Vegas.

📍 ~18 km from Knoxville (reachable by car)

💸 Flights from ~$119

Las Vegas main airports to arrive at

Harry Reid International Airport (LAS)

Cheapest

Harry Reid International Airport is the primary gateway to Las Vegas, offering convenient access to the city.

📍 ~10 km from Las Vegas (reachable by car)

💸 Flights from ~$119

Airports nearby Las Vegas used as alternative

Ontario International (ONT)

Ontario International offers significant domestic capacity and easier navigation, but requires a drive of approximately 3 to 4 hours from Las Vegas.

📍 ~335 km from Las Vegas (reachable by car)

💸 Flights from ~$199

Frequently Asked Questions About Flights to Las Vegas

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can often reveal better deals. Setting up price alerts may also help you catch drops in fares.

Booking flights in advance, often several weeks or months out, can sometimes result in lower prices. However, prices can fluctuate, so monitoring fare trends may be beneficial. Mid-week bookings might also offer different pricing compared to weekends.

Comparing nearby airports can sometimes provide additional flight options or potentially lower fares. While it may add to your ground travel time, the savings on airfare could be significant. It's often worth checking if alternative departure or arrival points are viable.

Related routes

More routes from Knoxville

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Flights to Las Vegas from other cities

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Knoxville to Las Vegas: Overview

Insights for flights from Knoxville to Las Vegas

How much is a round trip from Knoxville to Las Vegas

Regular price: $179 - $498

Prices are currently below the regular range.

Regular prices for flights from Knoxville to Las Vegas typically range from $179 to $498. The current lowest deal is $125 with Allegiant Air, for travel from Oct 19-Oct 29.

now $125

Low $179

High $498

The cheapest time to fly from Knoxville to Las Vegas

The cheapest month to fly from TYS to LAS is October, with a median price of $154. The most expensive month is May, with a median price of $1719. Prices are generally lower from January to October.

October

Cheapest

Flights from $154

May

Most Expensive

Flights from $1,719

Jan

Feb

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Direct flights from Knoxville to Las Vegas

Allegiant Air

Last-minute flights going from Knoxville to Las Vegas

Mon, Aug 3

⌛ Last-Minute

TYS - Las Vegas

Knoxville (TYS) - Las Vegas (LAS)

Allegiant Air

$467

$360

One-way

Fri, Aug 7

⌛ Last-Minute

TYS - Las Vegas

Knoxville (TYS) - Las Vegas (LAS)

Allegiant Air

$433

$328

One-way

Sun, Aug 9

⌛ Last-Minute

TYS - Las Vegas

Knoxville (TYS) - Las Vegas (LAS)

Allegiant Air

$377

$224

One-way

Mon, Aug 10

⌛ Last-Minute

TYS - Las Vegas

Knoxville (TYS) - Las Vegas (LAS)

Allegiant Air

$220

$161

One-way

Mon, Aug 10

⌛ Last-Minute

TYS - Las Vegas

Knoxville (TYS) - Las Vegas (LAS)

Allegiant Air

$215

$178

One-way

Mon, Aug 10

⌛ Last-Minute

TYS - Las Vegas

Knoxville (TYS) - Las Vegas (LAS)

Allegiant Air

$275

$199

One-way

Biggest price drops on these dates for flights from Knoxville to Las Vegas

2 nights

Aug 15 - Aug 17

$390 → $219

44%

5 nights

Aug 9 - Aug 14

$377 → $224

41%

3 nights

Aug 14 - Aug 17

$386 → $236

39%

7 nights

Aug 15 - Aug 22

$355 → $215

39%

Popular Airports to fly from Knoxville to Las Vegas