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

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The best prices from Knoxville McGhee Tyson to San Antonio are usually found in February or January, booked 32 days in advance, depart on a Friday or Wednesday and return on a Tuesday

How to find the cheapest flight from
Knoxville (TYS) to San Antonio (SAT)

All the information you need to plan the best TYS to SAT flight in 2022: compare Knoxville to San Antonio flight prices with the expected peak season, weather and rainfall in San Antonio.
TYS - SAT
Price
$313 - $590
SAT
Temperature
51.8 - 84.2 °F
SAT
Rainfall
1.6 - 3.7 inches

Popular in

June

High demand for flights, 27% potential price rise

Cheapest in

February

Best time to find cheap flights, 27% potential price drop

Round-trip from

$313

From Knoxville McGhee Tyson to San Antonio

One-way from

$268

One-way flight from Knoxville McGhee Tyson to San Antonio

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Knoxville to San Antonio?

To save up to 57% on this flight, we recommend booking at least 32 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Knoxville to San Antonio from $477 1-2 weeks out and tickets from $638 for flights departing within the next 72 hours.

What is the cheapest day to fly round-trip from Knoxville to San Antonio?

Leaving on a Thursday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 54% on the overall cost on flights from Knoxville to San Antonio.

When is the cheapest time to fly from Knoxville to San Antonio (TYS - SAT)?

It’s optimal to fly from Knoxville to San Antonio in the evening. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight at noon.

What is the cheapest month to fly from Knoxville to San Antonio?

Flights from Knoxville to San Antonio lean towards being more expensive in June. Prices are generally better when you fly from Knoxville to San Antonio in February, with the cheapest ticket starting at $294.

Cheap flights from Knoxville to San Antonio in June, July 2022

The best prices found for TYS to SAT flights for June, July
14 Jul - 11 Aug
$468pp
TYS
Knoxville McGhee Tyson
Delta
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Delta
 
1 STOP
TYS
Knoxville McGhee Tyson
11 Jul - 18 Jul
$495pp
TYS
Knoxville McGhee Tyson
American Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
American Airlines
 
1 STOP
TYS
Knoxville McGhee Tyson
28 Jun - 4 Jul
$519pp
TYS
Knoxville McGhee Tyson
American Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
American Airlines
 
1 STOP
TYS
Knoxville McGhee Tyson

Knoxville McGhee Tyson to San Antonio 2022 flight deals

Cheap flights to San Antonio from Knoxville found for this year
31 Aug - 3 Sep
$395pp
TYS
Knoxville McGhee Tyson
American Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
American Airlines
 
1 STOP
TYS
Knoxville McGhee Tyson
22 Sep - 28 Sep
$396pp
TYS
Knoxville McGhee Tyson
American Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
American Airlines
 
1 STOP
TYS
Knoxville McGhee Tyson
22 Sep - 28 Sep
$401pp
TYS
Knoxville McGhee Tyson
American Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
American Airlines
   
2 STOPS
TYS
Knoxville McGhee Tyson

Last minute flights from Knoxville to San Antonio

Late deals on round-trip flights to San Antonio from Knoxville, departing today and this week
6 Jul - 10 Jul
$545pp
TYS
Knoxville McGhee Tyson
American Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
American Airlines
 
1 STOP
TYS
Knoxville McGhee Tyson
6 Jul - 10 Jul
$549pp
TYS
Knoxville McGhee Tyson
American Airlines
   
2 STOPS
SAT
San Antonio
SAT
San Antonio
American Airlines
 
1 STOP
TYS
Knoxville McGhee Tyson
9 Jul - 17 Jul
$628pp
TYS
Knoxville McGhee Tyson
Delta
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Delta
 
1 STOP
TYS
Knoxville McGhee Tyson

One-way flights to San Antonio from Knoxville

The cheapest one-way flights from Knoxville to San Antonio
1:22 am - 6:41 am
American Airlines
1 Stop
6h 19m
TYS - SAT
American Airlines
10:40 am - 5:05 pm
Delta
1 Stop
7h 25m
TYS - SAT
Delta
$269
Delta
3:00 am - 8:19 am
United Airlines
1 Stop
6h 19m
TYS - SAT
United Airlines
$359
United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Knoxville</span> to <span class="emphasized">San Antonio</span> flights.

Flight FAQs

From Knoxville to San Antonio

Which airlines flying from Knoxville McGhee Tyson to San Antonio have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Knoxville McGhee Tyson to San Antonio that may be offering flexible cancellation policies are Delta, American Airlines, and United Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Knoxville to San Antonio for under $400 on Cheapflights?

Yes, there are multiple flights from Knoxville to San Antonio for under $400. The cheapest flight booked recently is on American Airlines for just $395, but on average you can expect to pay $465.

Are there last-minute flights available from Knoxville to San Antonio for under $600?

There are currently 6+ open flights from Knoxville to San Antonio within the next 7 days for less than $600.

How popular is this Knoxville to San Antonio flight route?

Within the past month, 16 users have taken a look at flights from Knoxville McGhee Tyson to San Antonio.

What are the cheapest airlines flying from Knoxville to San Antonio round-trip?

Our cheapest airline available from Knoxville to San Antonio is American Airlines. Our recent data shows that you can find tickets from as low as $395 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $418 and $439 round-trip. American Airlines is 8% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Knoxville to San Antonio one-way?

The cheapest airlines for a one-way flight from Knoxville to San Antonio are American Airlines ($268), Delta ($269), and United Airlines ($359).

What are the most popular airlines that fly from Knoxville to San Antonio?

Major Airline, American Airlines and Delta are the most popular airlines when flying from Knoxville to San Antonio.

What are the cheapest flights from Knoxville to San Antonio?

Looking at all options, your cheapest flight can be booked for $24. While the most popular route (Knoxville McGhee Tyson - San Antonio) can be booked for $398 on average our data indicates $573 when flying from Knoxville to San Antonio.

COVID Restrictions

View COVID Travel Restrictions for San Antonio, TX

Do I need a COVID test to fly to San Antonio from Knoxville?

Information is based on travel restrictions for travel to San Antonio within the United States

Most visitors from Knoxville McGhee Tyson need to provide a negative COVID-19 test result and/or quarantine to enter San Antonio.

COVID-19 testing requirements
Visitors from Knoxville McGhee Tyson are not required to present a negative COVID-19 PCR test or antigen result upon entering San Antonio.

Quarantine requirements
Visitors from Knoxville McGhee Tyson are not required to quarantine after entering San Antonio.

Do I need a test to fly back to Knoxville from San Antonio?

Returning to Knoxville McGhee Tyson from San Antonio

COVID-19 testing requirements
Visitors from San Antonio are not required to present a negative COVID-19 PCR test or antigen result upon entering Knoxville McGhee Tyson.

Quarantine requirements
Visitors from San Antonio are not required to quarantine after entering Knoxville McGhee Tyson.

Hide COVID Travel Restrictions for San Antonio, TX

Alternative routes for Knoxville to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for San Antonio

Things to know before you go - useful duration and weather info for your trip from Knoxville to San Antonio.

Airports servicing Knoxville

Airports servicing San Antonio

Top 4 airlines flying from Knoxville McGhee Tyson to San Antonio

The chart below displays the airlines Cheapflights users traveling from Knoxville to San Antonio choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$138 $320 No cancel fee 62%
United Airlines
$291 $377 No cancel fee 69%
Delta
$304 $458 No cancel fee N/A
American Airlines
$313 $482 No cancel fee 71%
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