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Cheap flights from Knoxville to San Antonio from $138

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Knoxville to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:14 pm - 11:56 pmTYS  Knoxville McGhee Tyson-SAT San Antonio
5h 42m1 stop Charlotte Douglas
American Airlines Logo
9:55 am - 3:13 pmSAT  San Antonio-TYS Knoxville McGhee Tyson
4h 18m1 stop Dallas/Fort Worth
$275American Airlines
Mon, Jan 11 - Sat, Jan 16
American Airlines Logo
7:05 pm - 10:58 pmTYS  Knoxville McGhee Tyson-SAT San Antonio
4h 53m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 1:59 pmSAT  San Antonio-TYS Knoxville McGhee Tyson
6h 59m1 stop Dallas/Fort Worth
$275American Airlines
Thu, Jan 21 - Mon, Jan 25
Southwest Logo
5:15 pm - 11:10 pmTYS  Knoxville McGhee Tyson-SAT San Antonio
6h 55m1 stop Nashville Intl
Southwest Logo
7:10 am - 12:20 pmSAT  San Antonio-TYS Knoxville McGhee Tyson
4h 10m1 stop Nashville Intl
$275Southwest
Tue, Dec 1 - Mon, Dec 7
United Airlines Logo
5:00 pm - 11:04 pmTYS  Knoxville McGhee Tyson-SAT San Antonio
7h 04m1 stop Houston George Bush Intcntl
United Airlines Logo
1:40 pm - 8:47 pmSAT  San Antonio-TYS Knoxville McGhee Tyson
6h 07m1 stop Chicago O'Hare Intl
$275United Airlines
Sat, Dec 5 - Sat, Dec 12
United Airlines Logo
5:40 pm - 11:34 pmTYS  Knoxville McGhee Tyson-SAT San Antonio
6h 54m1 stop Chicago O'Hare Intl
United Airlines Logo
5:30 am - 11:12 amSAT  San Antonio-TYS Knoxville McGhee Tyson
4h 42m1 stop Houston George Bush Intcntl
$275United Airlines
Tue, Nov 10 - Sat, Nov 14
Southwest Logo
5:15 pm - 11:10 pmTYS  Knoxville McGhee Tyson-SAT San Antonio
6h 55m1 stop Nashville Intl
Southwest Logo
10:40 am - 3:25 pmSAT  San Antonio-TYS Knoxville McGhee Tyson
3h 45m1 stop Nashville Intl
$276Southwest
Thu, Nov 19 - Thu, Nov 26
Delta Logo
5:40 am - 9:59 amTYS  Knoxville McGhee Tyson-SAT San Antonio
5h 19m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:32 pm - 10:12 pmSAT  San Antonio-TYS Knoxville McGhee Tyson
4h 40m1 stop Atlanta Hartsfield-Jackson
$281Delta
Tue, Nov 17 - Tue, Nov 24
Delta Logo
6:10 pm - 12:33 amTYS  Knoxville McGhee Tyson-SAT San Antonio
7h 23m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:32 pm - 10:22 pmSAT  San Antonio-TYS Knoxville McGhee Tyson
4h 50m1 stop Atlanta Hartsfield-Jackson
$287Delta
Mon, Nov 16 - Mon, Nov 23
Multiple Airlines Logo
9:42 pm - 9:34 pmTYS  Knoxville McGhee Tyson-SAT San Antonio
24h 52m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
10:30 pm - 10:35 pmSAT  San Antonio-TYS Knoxville McGhee Tyson
23h 05m1 stop Las Vegas Harry Reid Intl
$398Multiple Airlines
Mon, Nov 2 - Thu, Nov 5
Multiple Airlines Logo
9:10 am - 4:18 pmTYS  Knoxville McGhee Tyson-SAT San Antonio
8h 08m1 stop Orlando
Multiple Airlines Logo
9:25 am - 8:39 amSAT  San Antonio-TYS Knoxville McGhee Tyson
22h 14m2 stops Raleigh-Durham Orlando
$409Multiple Airlines
Mon, Nov 16 - Thu, Nov 19

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Southwest flights from Knoxville to San Antonio

Our best Southwest deals on Knoxville to San Antonio flight tickets
Southwest
Nov 19
TYS5:15 pmKnoxville McGhee Tyson
6h 55m
1 stop
SAT11:10 pmSan Antonio
Nov 26
SAT10:40 amSan Antonio
3h 45m
1 stop
TYS3:25 pmKnoxville McGhee Tyson
$276
Southwest
Jan 21
TYS4:45 pmKnoxville McGhee Tyson
5h 55m
2 stops
SAT9:40 pmSan Antonio
Jan 25
SAT5:55 amSan Antonio
7h 05m
1 stop
TYS2:00 pmKnoxville McGhee Tyson
$280
Southwest
Nov 13
TYS7:25 pmKnoxville McGhee Tyson
6h 35m
1 stop
SAT1:00 amSan Antonio
Nov 16
SAT6:00 amSan Antonio
8h 30m
1 stop
TYS3:30 pmKnoxville McGhee Tyson
$282

Delta flights from Knoxville to San Antonio

Our best Delta deals on Knoxville to San Antonio flight tickets
Delta
Nov 17
TYS5:40 amKnoxville McGhee Tyson
5h 19m
1 stop
SAT9:59 amSan Antonio
Nov 24
SAT4:32 pmSan Antonio
4h 40m
1 stop
TYS10:12 pmKnoxville McGhee Tyson
$281
Delta
Nov 16
TYS6:10 pmKnoxville McGhee Tyson
7h 23m
1 stop
SAT12:33 amSan Antonio
Nov 23
SAT4:32 pmSan Antonio
4h 50m
1 stop
TYS10:22 pmKnoxville McGhee Tyson
$287
Delta
Nov 25
TYS6:10 pmKnoxville McGhee Tyson
4h 56m
1 stop
SAT10:06 pmSan Antonio
Nov 30
SAT6:30 pmSan Antonio
4h 27m
1 stop
TYS11:57 pmKnoxville McGhee Tyson
$307

momondo Fare Finder

 
Use the filters below to find and compare flights from Knoxville to San Antonio that are best for you.

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Route

Depart

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Price

Cheapest round-trip

KnoxvilleSan Antonio

TYS Knoxville McGhee Tyson - SAT San Antonio

TYSSAT

Knoxville McGhee Tyson

Mon 1/11

7:14 pm-11:56 pm

1 stop5h 42m

San Antonio

Sat 1/16

9:55 am-3:13 pm

1 stop4h 18m

$275

KnoxvilleSan Antonio

TYS Knoxville McGhee Tyson - SAT San Antonio

TYSSAT

Knoxville McGhee Tyson

Thu 1/21

7:05 pm-10:58 pm

1 stop4h 53m

San Antonio

Mon 1/25

6:00 am-1:59 pm

1 stop6h 59m

$275

KnoxvilleSan Antonio

TYS Knoxville McGhee Tyson - SAT San Antonio

TYSSAT

Knoxville McGhee Tyson

Tue 12/1

5:15 pm-11:10 pm

1 stop6h 55m

San Antonio

Mon 12/7

7:10 am-12:20 pm

1 stop4h 10m

$275

KnoxvilleSan Antonio

TYS Knoxville McGhee Tyson - SAT San Antonio

TYSSAT

Knoxville McGhee Tyson

Sat 12/5

5:00 pm-11:04 pm

1 stop7h 04m

San Antonio

Sat 12/12

1:40 pm-8:47 pm

1 stop6h 07m

$275

KnoxvilleSan Antonio

TYS Knoxville McGhee Tyson - SAT San Antonio

TYSSAT

Knoxville McGhee Tyson

Tue 11/10

5:40 pm-11:34 pm

1 stop6h 54m

San Antonio

Sat 11/14

5:30 am-11:12 am

1 stop4h 42m

$275

KnoxvilleSan Antonio

TYS Knoxville McGhee Tyson - SAT San Antonio

TYSSAT

Knoxville McGhee Tyson

Thu 11/19

5:15 pm-11:10 pm

1 stop6h 55m

San Antonio

Thu 11/26

10:40 am-3:25 pm

1 stop3h 45m

$276
Quickest round-trip

KnoxvilleSan Antonio

TYS Knoxville McGhee Tyson - SAT San Antonio

TYSSAT

Knoxville McGhee Tyson

Tue 11/17

5:40 am-9:59 am

1 stop5h 19m

San Antonio

Tue 11/24

4:32 pm-10:12 pm

1 stop4h 40m

$281

KnoxvilleSan Antonio

TYS Knoxville McGhee Tyson - SAT San Antonio

TYSSAT

Knoxville McGhee Tyson

Mon 11/16

6:10 pm-12:33 am

1 stop7h 23m

San Antonio

Mon 11/23

4:32 pm-10:22 pm

1 stop4h 50m

$287

KnoxvilleSan Antonio

TYS Knoxville McGhee Tyson - SAT San Antonio

TYSSAT

Knoxville McGhee Tyson

Mon 11/2

9:42 pm-9:34 pm

1 stop24h 52m

San Antonio

Thu 11/5

10:30 pm-10:35 pm

1 stop23h 05m

$398

KnoxvilleSan Antonio

TYS Knoxville McGhee Tyson - SAT San Antonio

TYSSAT

Knoxville McGhee Tyson

Mon 11/16

9:10 am-4:18 pm

1 stop8h 08m

San Antonio

Thu 11/19

9:25 am-8:39 am

2 stops22h 14m

$409

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Antonio from

How to get the cheapest flight ticket from Knoxville to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Knoxville and San Antonio?

Prices are currently low for flights on this route.

Typical prices usually range from $320 to $494.
The lowest price recently found on this route was $275.

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of January, then book flights to San Antonio from Knoxville during August instead. Flights to San Antonio in August, while not as cheap as those in January, still average around $302.

How have Knoxville to San Antonio flight prices changed over time?

When to book flights from Knoxville to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Knoxville to San Antonio (TYS to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to San Antonio

Best Price Found

$138

Fastest flight time

4h 30m

Direct flights

None
The best one-way flight to San Antonio from Knoxville in the past 72 hours is $138. The best round-trip flight deal from Knoxville to San Antonio found on momondo in the last 72 hours is $275.
The fastest flight from Knoxville to San Antonio takes 4h 30m
There are no direct flights from Knoxville to San Antonio. There are no popular flight routes from Knoxville to San Antonio.
Search flight deals

Frequently asked questions about flying from Knoxville to San Antonio

  • How far is Knoxville McGhee Tyson to San Antonio by plane?

    San Antonio is 958.1 mi away from Knoxville McGhee Tyson. In terms of flight time, this usually takes a little over 4h 30m.

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to San Antonio Airport?

    Prices for flights from Knoxville McGhee Tyson Airport to San Antonio Airport are updated daily.

  • How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to San Antonio Airport?

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to San Antonio Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Knoxville to San Antonio?

Best airlines flying from Knoxville to San Antonio

Compare and see reviews for airlines that fly from Knoxville to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $236Free CancellationRating
7.3
10,404 reviews
Search United Airlines flights
American AirlinesPriceFrom $268Free CancellationRating
7.0
12,186 reviews
Search American Airlines flights
DeltaPriceFrom $268Free CancellationRating
7.8
8,661 reviews
Search Delta flights
SouthwestPriceFrom $299Free CancellationRating
7.9
4,210 reviews
Search Southwest flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Pleasanton
Boerne
Schertz

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to San Antonio?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Antonio from Knoxville.

Can I find flights from Knoxville to San Antonio with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Knoxville to San Antonio flights to just show those with flexible booking policies.

How can momondo help me find flights from Knoxville to San Antonio?

momondo helps you find the best flight between Knoxville and San Antonio by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Knoxville to San Antonio right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Antonio from Knoxville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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