US$68️ Cheap Flights from Knoxville to San Antonio (2024)

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Find cheap one-way flights from Knoxville to San Antonio starting at US$68.

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from Knoxville to San Antonio?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Cheapest airlines flights from Knoxville to San Antonio

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From US$68

American Airlines

From US$97

United Airlines

From US$139

Delta Air Lines

From US$236

Allegiant Air

From US$287

ANA airlines

Find more flights and airlines

Find cheap flights from Knoxville to San Antonio by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Knoxville to San Antonio.

Cheapest
TYS
22:04
14h 46m
1 transfer
SAT
11:50
Mcghee Tyson Airport - San Antonio International Airport
Tue, May 21Frontier Airlines
US$68
TYS
22:04
14h 46m
1 transfer
SAT
11:50
Mcghee Tyson Airport - San Antonio International Airport
Tue, May 21Frontier Airlines
US$68
Find More Flights

Frequently Asked Questions

When are flight tickets from Knoxville (TYS) to San Antonio (SAT) the cheapest?
Airlines adjust prices for flights from Knoxville to San Antonio based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Knoxville (TYS) to San Antonio (SAT) cost?
According to Trip.com's data, the lowest price is around $457.
What is the transportation method from the main airport to downtown in San Antonio?
- The distance from San Antonio International Airport to downtown is about 12km. It takes about 30 minutes by taxi.

How to find a cheap flight from Knoxville to San Antonio

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Knoxville to San Antonio. Book your flights at the right time and save more.

Book Early

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Compare Flight Prices

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Look Out for Deals

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Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

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