£131 Cheap Flights from Knoxville (TYS) to Las Vegas (LAS)

View £131 flight on Tue, 16 Jun 2026Opens in a new window

Popular airlines from Alcoa - Knoxville Airport (TYS) to Harry Reid Intl. Airport (LAS)

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Cheap Flights from Knoxville (TYS) to Las Vegas (LAS)

Prices were available within the past 7 days and start at £131 for one-way flights and £247 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, 16 Jun - Tue, 23 Jun
TYS
Knoxville
LAS
Las Vegas
£247 Return, found 1 day ago
£247
Return
found 1 day ago
Select American Airlines flight, departing Tue, 16 Jun from Knoxville to Las Vegas, returning Tue, 23 Jun, priced at £247 found 1 day ago
American Airlines
Tue, 16 Jun - Tue, 23 Jun
TYS
Knoxville
LAS
Las Vegas
£257 Return, found 1 day ago
£257
Return
found 1 day ago
Select American Airlines flight, departing Tue, 16 Jun from Knoxville to Las Vegas, returning Tue, 23 Jun, priced at £257 found 1 day ago
American Airlines
Tue, 16 Jun - Tue, 23 Jun
TYS
Knoxville
LAS
Las Vegas
£262 Return, found 1 day ago
£262
Return
found 1 day ago
Select American Airlines flight, departing Tue, 16 Jun from Knoxville to Las Vegas, returning Tue, 23 Jun, priced at £262 found 1 day ago
American Airlines
Tue, 16 Jun - Tue, 23 Jun
TYS
Knoxville
LAS
Las Vegas
£272 Return, found 1 day ago
£272
Return
found 1 day ago
Select American Airlines flight, departing Tue, 16 Jun from Knoxville to Las Vegas, returning Tue, 23 Jun, priced at £272 found 1 day ago
American Airlines
Tue, 16 Jun - Tue, 23 Jun
TYS
Knoxville
LAS
Las Vegas
£282 Return, found 1 day ago
£282
Return
found 1 day ago
Select American Airlines flight, departing Tue, 16 Jun from Knoxville to Las Vegas, returning Tue, 23 Jun, priced at £282 found 1 day ago
American Airlines
Tue, 16 Jun - Tue, 23 Jun
TYS
Knoxville
LAS
Las Vegas
£284 Return, found 1 day ago
£284
Return
found 1 day ago
Select American Airlines flight, departing Tue, 16 Jun from Knoxville to Las Vegas, returning Tue, 23 Jun, priced at £284 found 1 day ago
American Airlines
Tue, 16 Jun - Tue, 23 Jun
TYS
Knoxville
LAS
Las Vegas
£294 Return, found 1 day ago
£294
Return
found 1 day ago
Select American Airlines flight, departing Tue, 16 Jun from Knoxville to Las Vegas, returning Tue, 23 Jun, priced at £294 found 1 day ago
Delta
Tue, 16 Jun - Tue, 23 Jun
TYS
Knoxville
LAS
Las Vegas
£330 Return, found 1 day ago
£330
Return
found 1 day ago
Select Delta flight, departing Tue, 16 Jun from Knoxville to Las Vegas, returning Tue, 23 Jun, priced at £330 found 1 day ago
United
Tue, 16 Jun - Tue, 23 Jun
TYS
Knoxville
LAS
Las Vegas
£362 Return, found 1 day ago
£362
Return
found 1 day ago
Select United flight, departing Tue, 16 Jun from Knoxville to Las Vegas, returning Tue, 23 Jun, priced at £362 found 1 day ago
Alaska Airlines
Wed, 17 Jun - Wed, 24 Jun
TYS
Knoxville
LAS
Las Vegas
£618 Return, found 21 hours ago
£618
Return
found 21 hours ago
Select Alaska Airlines flight, departing Wed, 17 Jun from Knoxville to Las Vegas, returning Wed, 24 Jun, priced at £618 found 21 hours ago

Find the cheapest month to fly from Knoxville (TYS) to Las Vegas (LAS)

September is typically the cheapest month to fly

From £171 - £356 per traveller.

Frequently asked questions

How much does a flight from Knoxville, TN (TYS-McGhee Tyson) to Las Vegas, NV (LAS-Harry Reid Intl.) cost?
One-way flights typically cost between $395 and $1,287 and return flights often range between $395 and $1,287. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
How do I find cheap flights from Knoxville, TN (TYS-McGhee Tyson) to Las Vegas, NV (LAS-Harry Reid Intl.)?
To find a cheap flight from Knoxville, TN (TYS-McGhee Tyson) to Las Vegas, NV (LAS-Harry Reid Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Knoxville, TN (TYS-McGhee Tyson) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Knoxville, TN (TYS-McGhee Tyson) to Las Vegas, NV (LAS-Harry Reid Intl.)?
There are approximately 62 connecting flights per day from Knoxville, TN (TYS-McGhee Tyson) to Las Vegas, NV (LAS-Harry Reid Intl.). Some common connection points include Nashville Intl. (BNA), O'Hare Intl. (ORD), and Baltimore Washington Intl. Thurgood Marshall (BWI).
What is the earliest flight from Knoxville, TN (TYS-McGhee Tyson) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The earliest flight from Knoxville, TN (TYS-McGhee Tyson) to Las Vegas, NV (LAS-Harry Reid International Airport) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in March. An early departure like this can help maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Knoxville, TN (TYS-McGhee Tyson) to Las Vegas, NV (LAS-Harry Reid Intl.)?
You'll typically find the most flights from Knoxville, TN (TYS-McGhee Tyson) (TYS) to Harry Reid International Airport (LAS) on a Wednesday, with around 43 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, United Airlines, and Delta Air Lines. Flight schedules are consistent throughout the week.
What are the most popular departure times for flights from Knoxville, TN (TYS-McGhee Tyson) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The most popular departure times for flights from Knoxville, TN (TYS-McGhee Tyson) to Las Vegas, NV (LAS-Harry Reid Intl.) are in the afternoon, from 3pm to 6pm. About 29% of passengers prefer this time. Many major carriers, including American Airlines, United Airlines and Delta Air Lines, offer flights during this window. This timing works well because it allows you to have a productive morning before heading to the airport, and you'll arrive in Las Vegas with plenty of time to settle in for the evening.
How long does it take to fly from Knoxville, TN (TYS-McGhee Tyson) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Flying from TYS to LAS with a connection usually takes about 7 hours 30 minutes, traveling roughly 1,736 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Knoxville, TN (TYS-McGhee Tyson) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Select the "Business class" and "First class" filters when looking for TYS to LAS flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Knoxville, TN (TYS-McGhee Tyson) to Las Vegas, NV (LAS-Harry Reid Intl.) flight with Expedia?
It's easy to earn miles on a Knoxville, TN (TYS-McGhee Tyson) to Las Vegas, NV (LAS-Harry Reid Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Las Vegas from McGhee Tyson (TYS)?
If you're planning to travel to Las Vegas from McGhee Tyson (TYS), you can fly into Harry Reid International Airport (LAS) Some flights may connect through major hubs like Charlotte-Douglas Intl. (CLT), Dallas-Fort Worth Intl. (DFW), O'Hare Intl. (ORD) before reaching Las Vegas. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Knoxville, TN (TYS-McGhee Tyson) to Las Vegas, NV (LAS-Harry Reid Intl.) at the last minute?
Typically, booking a last minute flight from Knoxville, TN (TYS-McGhee Tyson) to Las Vegas, NV (LAS-Harry Reid Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Knoxville, TN (TYS-McGhee Tyson) to Las Vegas, NV (LAS-Harry Reid Intl.) flight and hotel package?
Securing a Knoxville, TN (TYS-McGhee Tyson) to Las Vegas, NV (LAS-Harry Reid Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Knoxville, TN (TYS-McGhee Tyson) to Las Vegas, NV (LAS-Harry Reid Intl.)?
If you booked your Knoxville, TN (TYS-McGhee Tyson) to Las Vegas, NV (LAS-Harry Reid Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
McGhee Tyson
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Return price
£246
Distance
2776 km
Average flight time
1 hour 19 mins

Book with confidence

Compare flights from Knoxville to Las Vegas easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Knoxville to Las Vegas. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Harry Reid Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from McGhee Tyson to Harry Reid Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from McGhee Tyson (TYS) to Harry Reid Intl. (LAS)

The easiest way to view the best deals on flights from Knoxville to Las Vegas today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from McGhee Tyson to Harry Reid Intl. start at just £247 and range up to £618.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Knoxville and Las Vegas
  • booking your flight during June, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Knoxville to Las Vegas flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from McGhee Tyson to Harry Reid Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Knoxville to Las Vegas easily and book with confidence

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*Available to Expedia members.