$189+ Cheap flights from Knoxville to San Antonio (TYS - SAT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SAT
Aug 2 — Aug 91
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to San Antonio with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Knoxville to San Antonio
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Best
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One-way
Cheapest flights from Knoxville to San AntonioExplore the most affordable flight options available from Knoxville to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2026.
Explore the most affordable flight options available from Knoxville to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2026.
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:00 pm
TYS
- SAT
1 stop6h 43m
Delta
Wed 9/165:30 am
SAT
- TYS
1 stop4h 48m
Delta
Deal found 7/1![Delta logo]()
$295
This Southwest deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2112:45 pm
TYS
- SAT
1 stop5h 50m
Southwest
Tue 7/281:20 pm
SAT
- TYS
2 stops6h 05m
Southwest
Deal found 6/29![Southwest logo]()
$300
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:40 am
TYS
- SAT
1 stop6h 30m
Delta
Thu 8/135:20 am
SAT
- TYS
1 stop7h 14m
Delta
Deal found 7/1![Delta logo]()
$312
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:00 am
TYS
- SAT
1 stop4h 20m
Southwest
Thu 8/137:10 am
SAT
- TYS
2 stops9h 00m
Southwest
Deal found 7/1![Southwest logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:00 am
TYS
- SAT
1 stop25h 39m
Multiple Airlines
Fri 10/1612:38 pm
SAT
- TYS
1 stop9h 28m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$326
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:25 pm
TYS
- SAT
1 stop6h 15m
Southwest
Mon 10/2611:55 am
SAT
- TYS
1 stop8h 35m
Southwest
Deal found 7/2![Southwest logo]()
$329
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:06 pm
TYS
- SAT
1 stop6h 09m
Delta
Sun 10/256:22 pm
SAT
- TYS
1 stop4h 37m
Delta
Deal found 7/1![Delta logo]()
$336
This Southwest deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:55 pm
TYS
- SAT
2 stops8h 45m
Southwest
Fri 8/2811:05 am
SAT
- TYS
1 stop6h 30m
Southwest
Deal found 6/29![Southwest logo]()
$341
Best flights from Knoxville to San AntonioDiscover carefully curated flight deals from Knoxville to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2026.
Discover carefully curated flight deals from Knoxville to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2026.
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:45 am
TYS
- SAT
1 stop4h 58m
Delta
Wed 10/218:00 am
SAT
- TYS
1 stop4h 40m
Delta
Deal found 6/29![Delta logo]()
$295
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/27:00 pm
TYS
- SAT
1 stop7h 10m
Southwest
Sat 8/85:40 am
SAT
- TYS
1 stop6h 35m
Southwest
Deal found 7/2![Southwest logo]()
$346
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:15 am
TYS
- SAT
1 stop4h 35m
United Airlines
Wed 8/125:30 am
SAT
- TYS
1 stop6h 50m
United Airlines
Deal found 7/2![United Airlines logo]()
$375
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:50 pm
TYS
- SAT
2 stops8h 40m
Southwest
Sun 10/255:40 am
SAT
- TYS
1 stop8h 55m
Southwest
Deal found 7/2![Southwest logo]()
$358
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:21 pm
TYS
- SAT
1 stop4h 23m
Delta
Sun 10/255:30 am
SAT
- TYS
1 stop4h 31m
Delta
Deal found 7/2![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:21 pm
TYS
- SAT
1 stop6h 37m
United Airlines
Wed 9/1612:00 pm
SAT
- TYS
2 stops9h 49m
United Airlines
Deal found 7/2![United Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:28 am
TYS
- SAT
1 stop7h 11m
Delta
Sun 8/235:20 am
SAT
- TYS
1 stop4h 51m
Delta
Deal found 7/1![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:00 pm
TYS
- SAT
1 stop6h 18m
Delta
Mon 11/304:25 pm
SAT
- TYS
1 stop6h 21m
Delta
Deal found 6/29![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:00 am
TYS
- SAT
2 stops11h 43m
United Airlines
Fri 8/2812:55 pm
SAT
- TYS
1 stop6h 58m
United Airlines
Deal found 6/30![United Airlines logo]()
$421
Last-minute flights from Knoxville to San AntonioDiscover last-minute flight deals from Knoxville to San Antonio. Data last updated July 3, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to San Antonio. Data last updated July 3, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:20 pm
TYS
- SAT
2 stops26h 17m
Multiple Airlines
Tue 7/287:39 pm
SAT
- TYS
1 stop22h 45m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$348
This Southwest deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2112:45 pm
TYS
- SAT
1 stop5h 50m
Southwest
Tue 7/2812:20 pm
SAT
- TYS
1 stop7h 05m
Southwest
Deal found 6/29![Southwest logo]()
$295
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/27:00 pm
TYS
- SAT
1 stop7h 10m
Southwest
Sat 8/85:40 am
SAT
- TYS
1 stop6h 35m
Southwest
Deal found 7/2![Southwest logo]()
$346
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:40 am
TYS
- SAT
1 stop6h 30m
Delta
Thu 8/135:20 am
SAT
- TYS
1 stop7h 14m
Delta
Deal found 7/1![Delta logo]()
$312
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:00 am
TYS
- SAT
1 stop4h 20m
Southwest
Thu 8/137:10 am
SAT
- TYS
2 stops9h 00m
Southwest
Deal found 7/1![Southwest logo]()
$317
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:40 am
TYS
- SAT
1 stop6h 30m
Delta
Fri 8/285:45 pm
SAT
- TYS
1 stop5h 07m
Delta
Deal found 6/30![Delta logo]()
$336
This Southwest deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:55 pm
TYS
- SAT
2 stops8h 45m
Southwest
Fri 8/2811:05 am
SAT
- TYS
1 stop6h 30m
Southwest
Deal found 6/29![Southwest logo]()
$341
One-way flights from Knoxville to San AntonioSearch for one-way flight options from Knoxville to San Antonio. Find affordable one-way fares based on user searches. Data last updated July 3, 2026.
Search for one-way flight options from Knoxville to San Antonio. Find affordable one-way fares based on user searches. Data last updated July 3, 2026.
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:40 am
TYS
- SAT
1 stop6h 30m
Delta
Deal found 7/1![Delta logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/163:56 pm
TYS
- SAT
2 stops29h 41m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$198
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:05 pm
TYS
- SAT
1 stop5h 14m
Delta
Deal found 6/29![Delta logo]()
$209
This Southwest deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:40 am
TYS
- SAT
2 stops8h 50m
Southwest
Deal found 6/29![Southwest logo]()
$214
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/141:59 pm
TYS
- SAT
1 stop4h 30m
Delta
Deal found 7/1![Delta logo]()
$239
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/152:45 pm
TYS
- SAT
2 stops8h 40m
Southwest
Deal found 7/1![Southwest logo]()
$244
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:40 am
TYS
- SAT
2 stops10h 05m
Southwest
Deal found 7/1![Southwest logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/239:11 pm
TYS
- SAT
3 stops22h 33m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:00 pm
TYS
- SAT
2 stops24h 13m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$279
This Southwest deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/812:45 pm
TYS
- SAT
1 stop5h 50m
Southwest
Deal found 6/29![Southwest logo]()
$290
Find flight deals from Knoxville to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $295 (Delta) |
One-way from | $189 (Delta) |
Popular in | June |
Cheapest in | January |
Average price | $393 |
Cheapflights Fare Finder
Customize your flight search to find flights from Knoxville to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2026.
Use the filters below to find and compare flights from Knoxville to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KnoxvilleSan Antonio
TYS - SAT
TYSSAT
Knoxville McGhee Tyson
Wed 10/14
5:45 am-9:43 am
1 stop4h 58m
San Antonio
Wed 10/21
8:00 am-1:40 pm
1 stop4h 40m
$295
KnoxvilleSan Antonio
TYS - SAT
TYSSAT
Knoxville McGhee Tyson
Sun 8/2
7:00 pm-1:10 am
1 stop7h 10m
San Antonio
Sat 8/8
5:40 am-1:15 pm
1 stop6h 35m
$346
KnoxvilleSan Antonio
TYS - SAT
TYSSAT
Knoxville McGhee Tyson
Thu 10/22
12:50 pm-8:30 pm
2 stops8h 40m
San Antonio
Sun 10/25
5:40 am-3:35 pm
1 stop8h 55m
$358
KnoxvilleSan Antonio
TYS - SAT
TYSSAT
Knoxville McGhee Tyson
Tue 8/11
7:15 am-10:50 am
1 stop4h 35m
San Antonio
Wed 8/12
5:30 am-1:20 pm
1 stop6h 50m
$375
Quickest round-trip
KnoxvilleSan Antonio
TYS - SAT
TYSSAT
Knoxville McGhee Tyson
Fri 10/23
6:21 pm-9:44 pm
1 stop4h 23m
San Antonio
Sun 10/25
5:30 am-11:01 am
1 stop4h 31m
$377
KnoxvilleSan Antonio
TYS - SAT
TYSSAT
Knoxville McGhee Tyson
Fri 8/21
10:28 am-4:39 pm
1 stop7h 11m
San Antonio
Sun 8/23
5:20 am-11:11 am
1 stop4h 51m
$377
KnoxvilleSan Antonio
TYS - SAT
TYSSAT
Knoxville McGhee Tyson
Wed 11/25
12:00 pm-5:18 pm
1 stop6h 18m
San Antonio
Mon 11/30
4:25 pm-11:46 pm
1 stop6h 21m
$377
KnoxvilleSan Antonio
TYS - SAT
TYSSAT
Knoxville McGhee Tyson
Sat 9/5
2:21 pm-7:58 pm
1 stop6h 37m
San Antonio
Wed 9/16
12:00 pm-10:49 pm
2 stops9h 49m
$380
KnoxvilleSan Antonio
TYS - SAT
TYSSAT
Knoxville McGhee Tyson
Tue 8/25
7:00 am-5:43 pm
2 stops11h 43m
San Antonio
Fri 8/28
12:55 pm-8:53 pm
1 stop6h 58m
$421
Cheapest one-way
KnoxvilleSan Antonio
TYS - SAT
TYSSAT
Knoxville McGhee Tyson
Thu 7/23
6:05 pm-10:19 pm
1 stop5h 14m
$209
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Knoxville to San Antonio
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to San Antonio in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Knoxville-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Knoxville-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Knoxville to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Knoxville with our price prediction graph.
TYS-SAT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Knoxville to San Antonio
What is the cheapest month to book a flight from Knoxville to San Antonio?
Currently, January is the cheapest month in which you can book a flight from Knoxville to San Antonio (average of $290). Flying from Knoxville to San Antonio in June is currently the most expensive (average of $538). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Knoxville to San Antonio?
Reviews of airlines servicing San Antonio
Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated July 3, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Knoxville to San Antonio to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from Knoxville to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Knoxville and San Antonio flights
Browse other Knoxville and San Antonio flight options. Last updated on July 3, 2026.
Other flights from Knoxville
Browse through other flights departing from Knoxville. Flights are based on user searches made on Cheapflights and were last updated on July 3, 2026.
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Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 3, 2026.
Top 4 airlines flying from Knoxville to San Antonio
Discover the top 4 airlines that operate flights from Knoxville to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$236 | Average$330 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$264 | Average$393 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$268 | Average$340 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$299 | Average$488 | FlexibilityNo cancel fee | On-time63% |