$59 Cheap Flights from San Antonio (SAT) to Knoxville (TYS)

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Cheap flights from San Antonio (SAT) to Knoxville (TYS)

Prices were available within the past 7 days and start at $59 for one-way flights and $118 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Nov 11 - Wed, Nov 13
SAT
San Antonio
TYS
Knoxville
$118 Roundtrip, found 22 hours ago
$118
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Mon, Nov 11 from San Antonio to Knoxville, returning Wed, Nov 13, priced at $118 found 22 hours ago
Frontier Airlines
Wed, Oct 30 - Fri, Nov 1
SAT
San Antonio
TYS
Knoxville
$128 Roundtrip, found 2 days ago
$128
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Oct 30 from San Antonio to Knoxville, returning Fri, Nov 1, priced at $128 found 2 days ago
Frontier Airlines
Mon, Nov 11 - Wed, Nov 20
SAT
San Antonio
TYS
Knoxville
$137 Roundtrip, found 2 days ago
$137
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Nov 11 from San Antonio to Knoxville, returning Wed, Nov 20, priced at $137 found 2 days ago
Frontier Airlines
Mon, Nov 4 - Mon, Nov 11
SAT
San Antonio
TYS
Knoxville
$138 Roundtrip, found 3 hours ago
$138
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Mon, Nov 4 from San Antonio to Knoxville, returning Mon, Nov 11, priced at $138 found 3 hours ago
Frontier Airlines
Wed, Oct 23 - Fri, Nov 15
SAT
San Antonio
TYS
Knoxville
$147 Roundtrip, found 6 days ago
$147
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Wed, Oct 23 from San Antonio to Knoxville, returning Fri, Nov 15, priced at $147 found 6 days ago
Frontier Airlines
Thu, Oct 17 - Fri, Nov 1
SAT
San Antonio
TYS
Knoxville
$148 Roundtrip, found 1 day ago
$148
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Oct 17 from San Antonio to Knoxville, returning Fri, Nov 1, priced at $148 found 1 day ago
Frontier Airlines
Wed, Oct 23 - Wed, Nov 13
SAT
San Antonio
TYS
Knoxville
$156 Roundtrip, found 6 days ago
$156
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Wed, Oct 23 from San Antonio to Knoxville, returning Wed, Nov 13, priced at $156 found 6 days ago
Frontier Airlines
Sun, Nov 10 - Fri, Nov 15
SAT
San Antonio
TYS
Knoxville
$157 Roundtrip, found 2 days ago
$157
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sun, Nov 10 from San Antonio to Knoxville, returning Fri, Nov 15, priced at $157 found 2 days ago
Frontier Airlines
Thu, Oct 17 - Mon, Oct 28
SAT
San Antonio
TYS
Knoxville
$158 Roundtrip, found 1 day ago
$158
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Oct 17 from San Antonio to Knoxville, returning Mon, Oct 28, priced at $158 found 1 day ago
Frontier Airlines
Sun, Nov 10 - Wed, Nov 20
SAT
San Antonio
TYS
Knoxville
$166 Roundtrip, found 2 days ago
$166
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sun, Nov 10 from San Antonio to Knoxville, returning Wed, Nov 20, priced at $166 found 2 days ago
Flight from San Antonio to Knoxville (SAT - TYS) route information
Origin airport
San Antonio Intl.
Destination airport
McGhee Tyson
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$118
Distance
946 mi

San Antonio to Knoxville Flights

The cheapest times to fly from San Antonio to Knoxville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Antonio to Knoxville are during the month of November. You can find some of the cheapest flights from San Antonio to Knoxville with Expedia's search tool and vast selection of airlines.

The best time to book a flight from San Antonio to Knoxville

Sunday is one of the best days to book for cheap flights from San Antonio to Knoxville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from San Antonio to Knoxville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Antonio to Knoxville in 2024. You can also book with separate airlines for your outbound and return journeys, from $59 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Antonio to Knoxville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Antonio to Knoxville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much is a one-way flight from San Antonio Airport to McGhee Tyson Airport (TYS)?
Prepare to score a top deal, because one-way San Antonio flights to Knoxville start from $59. This info is based on the cheapest fare found on Expedia for this route departing within the next three months. This airfare is for an Frontier Airlines flight, leaving from San Antonio Intl. Airport (SAT) on October 30 2024 and arriving at Knoxville Airport. The price was last updated on September 23 2024 and has not changed since.
Is it cheaper to buy a plane ticket from San Antonio Airport to McGhee Tyson Airport (TYS) last minute?
Being the spontaneous type is a terrific way to travel around, but it isn’t necessarily the wisest method to get your hands on a bargain plane ticket. Think about booking your SAT to Knoxville Airport trip well in advance instead of leaving it until the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. You can unleash your spontaneous side when you reach Knoxville Airport!
What is the cheapest airline flying from SAT to McGhee Tyson Airport (TYS) in the next 90 days?
With ticket prices starting at $59 for a flight from San Antonio to Knoxville, Frontier Airlines is the cheapest airline found on Expedia. This deal is based on airfares found on Expedia departing within the next 90 days and was last updated on September 23 2024 and has not changed since. The flight takes off from SAT on October 30 2024 and arrives at McGhee Tyson Airport (TYS).
What's the cheapest price for a flight from SAT to Knoxville Airport next month?
You can grab a one-way flight from San Antonio to Knoxville for only $59. This is the best ticket price for this route departing in the next month. It’s an Frontier Airlines flight leaving San Antonio Airport on October 9 2024 and touching down at Knoxville Airport. The pricing information was updated on September 23 2024 and has not changed since. It was found after looking at all available flights on Expedia within the next 30 days.
What airports do you fly into for Knoxville from San Antonio?
With McGhee Tyson Airport (TYS), Gatlinburg, TN (GKT-Gatlinburg - Pigeon Forge) and Morristown, TN (MOR-Moore-Murrell) to choose from, getting from San Antonio to Knoxville is no sweat. The city’s main hub, McGhee Tyson Airport (TYS), is roughly 12 mi south of the downtown area. Besides the price of fares, consider factors like transportation options from the airport and the distance to your hotel when deciding where to touch down. Get your Knoxville vacation off to a flying start by discovering Ijams Nature Center and Knoxville Zoological Gardens.
Can I change the date of my flight from San Antonio Intl. Airport (SAT) to Knoxville Airport?
You can quickly make changes to your San Antonio Airport to McGhee Tyson Airport (TYS) journey by logging in to the Expedia Trips portal. But before you begin, review the rules in your itinerary to see what the airline will allow you to do and if any charges apply. Some carriers charge a change fee per person, on top of any difference in ticket prices. However, if you booked in the last 24 hours, you may be able to cancel for free and arrange new flights. You can also stop by our Customer Service portal for more info and to connect with our Virtual Agent.
*Available to One Key members.