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Cheap flights from Knoxville to San Antonio (TYS - SAT) from $105

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
TYS — SAT
Apr 30 — May 71
From?
To?
Tue 4/30
Tue 5/7
1 adult, Economy
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The best prices from Knoxville McGhee Tyson to San Antonio are usually found in February or September, booked 66 days in advance, depart on a Thursday or Saturday and return on a Tuesday

Cheap 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 April 25, 2024.

Popular in

March

Cheapest in

February

Average price

$508

Round-trip from

$289
High demand for flights, 18% potential price rise
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Best time to find cheap flights, 20% potential price drop
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Average for round-trip flights in April 2024
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From Knoxville McGhee Tyson to San Antonio
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What is the cheapest day to fly round-trip from Knoxville to San Antonio?

Leaving on a Wednesday 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 57% on the overall cost on flights from Knoxville to San Antonio.

How far in advance should I book a flight from Knoxville to San Antonio?

To save up to 99% on this flight, we recommend booking at least 27 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 $598 1-2 weeks out and tickets from $631 for flights departing within the next 72 hours.

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

Flights from Knoxville to San Antonio lean towards being more expensive in March. Prices are generally better when you fly from Knoxville to San Antonio in February, with the cheapest ticket starting at $315.

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 34% on the cost of your flight, compared to a flight at noon.

Cheap Frontier flights from Knoxville to San Antonio

Explore cheap flight options specifically provided by Frontier for the route between Knoxville and San Antonio. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated April 25, 2024.
Take a look at some of the lowest-priced Frontier flights heading from Knoxville to San Antonio. Come back soon if you're not finding the exact deal you're looking for.
Sun 9/1510:18 pmTYS - SAT
1 stop9h 39mFrontier
Wed 9/189:19 amSAT - TYS
1 stop6h 58mFrontier
Deal found 4/23$154
Thu 5/309:55 pmTYS - SAT
1 stop23h 08mFrontier
Wed 7/108:47 amSAT - TYS
1 stop22h 26mFrontier
Deal found 4/23$174
Fri 5/248:43 pmTYS - SAT
1 stop12h 40mFrontier
Wed 5/2912:50 pmSAT - TYS
1 stop18h 27mFrontier
Deal found 4/23$175

Cheap United Airlines flights from Knoxville to San Antonio

Explore cheap flight options specifically provided by United Airlines for the route between Knoxville and San Antonio. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated April 25, 2024.
Some of the best deals we've found on United Airlines flights traveling from Knoxville to San Antonio. Check back soon if you're not seeing flights that suit your needs.
Tue 7/307:00 amTYS - SAT
1 stop5h 01mUnited Airlines
Wed 8/75:30 amSAT - TYS
2 stops7h 30mUnited Airlines
Deal found 4/24$427
Mon 8/267:00 amTYS - SAT
1 stop6h 18mUnited Airlines
Fri 8/301:20 pmSAT - TYS
1 stop24h 28mUnited Airlines
Deal found 4/23$434
Tue 5/283:10 pmTYS - SAT
1 stop8h 57mUnited Airlines
Fri 5/317:05 amSAT - TYS
1 stop6h 35mUnited Airlines
Deal found 4/22$463
Wed 5/295:10 pmTYS - SAT
1 stop6h 40mUnited Airlines
Thu 5/307:30 pmSAT - TYS
2 stops18h 10mUnited Airlines
Deal found 4/24$490
Tue 5/211:18 pmTYS - SAT
1 stop5h 29mUnited Airlines
Tue 5/287:30 pmSAT - TYS
2 stops13h 47mUnited Airlines
Deal found 4/23$499
Wed 5/295:10 pmTYS - SAT
1 stop6h 40mUnited Airlines
Sat 6/17:30 pmSAT - TYS
2 stops13h 44mUnited Airlines
Deal found 4/24$506
Fri 5/243:58 pmTYS - SAT
1 stop17h 30mUnited Airlines
Wed 5/295:30 amSAT - TYS
2 stops7h 27mUnited Airlines
Deal found 4/23$529
Mon 8/267:00 amTYS - SAT
2 stops11h 45mUnited Airlines
Fri 8/301:20 pmSAT - TYS
1 stop24h 28mUnited Airlines
Deal found 4/23$532
Mon 8/125:45 pmTYS - SAT
1 stop6h 28mUnited Airlines
Fri 8/167:35 pmSAT - TYS
1 stop16h 50mUnited Airlines
Deal found 4/23$552

Cheap Knoxville to San Antonio flights in April & May 2024

Find cheap flight options from Knoxville to San Antonio specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,068,701 searches. Prices were last updated on April 25, 2024.
Listed are some of the best fares we've found on flights departing from Knoxville to San Antonio in 2024. More deals are always being added, so be sure to check back regularly.
Thu 5/309:55 pmTYS - SAT
1 stop23h 08mFrontier
Wed 7/108:47 amSAT - TYS
1 stop22h 26mFrontier
Deal found 4/23$174
Fri 5/248:43 pmTYS - SAT
1 stop12h 40mFrontier
Wed 5/2912:50 pmSAT - TYS
1 stop18h 27mFrontier
Deal found 4/23$175
Wed 5/2911:07 amTYS - SAT
1 stop6h 58mAmerican Airlines
Thu 5/305:00 amSAT - TYS
1 stop5h 41mAmerican Airlines
Deal found 4/24$206
Thu 5/237:53 pmTYS - SAT
1 stop5h 21mAmerican Airlines
Mon 5/276:40 pmSAT - TYS
1 stop4h 38mAmerican Airlines
Deal found 4/23$236
Sat 5/185:30 amTYS - SAT
1 stop7h 11mAmerican Airlines
Tue 5/216:14 amSAT - TYS
1 stop4h 54mAmerican Airlines
Deal found 4/23$252
Fri 5/247:53 pmTYS - SAT
1 stop5h 21mAmerican Airlines
Sun 5/266:40 pmSAT - TYS
1 stop4h 38mAmerican Airlines
Deal found 4/23$262
Wed 5/297:01 amTYS - SAT
1 stop6h 09mAmerican Airlines
Sat 6/12:27 pmSAT - TYS
1 stop5h 11mAmerican Airlines
Deal found 4/23$265
Fri 5/247:53 pmTYS - SAT
1 stop5h 21mAmerican Airlines
Thu 5/304:36 pmSAT - TYS
1 stop6h 42mAmerican Airlines
Deal found 4/23$307
Fri 5/247:53 pmTYS - SAT
1 stop5h 21mAmerican Airlines
Thu 5/305:00 amSAT - TYS
1 stop5h 41mAmerican Airlines
Deal found 4/23$321

Knoxville to San Antonio 2024 flight deals

Discover exclusive flight deals for travel between Knoxville and San Antonio in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated April 25, 2024.
Listed are some of the best fares we've found on flights departing from Knoxville to San Antonio in 2024. More deals are always being added, so be sure to check back regularly.
Sun 9/1510:18 pmTYS - SAT
1 stop9h 39mFrontier
Wed 9/189:19 amSAT - TYS
1 stop6h 58mFrontier
Deal found 4/23$154
Thu 5/309:55 pmTYS - SAT
1 stop23h 08mFrontier
Wed 7/108:47 amSAT - TYS
1 stop22h 26mFrontier
Deal found 4/23$174
Fri 5/248:43 pmTYS - SAT
1 stop12h 40mFrontier
Wed 5/2912:50 pmSAT - TYS
1 stop18h 27mFrontier
Deal found 4/23$175
Wed 5/2911:07 amTYS - SAT
1 stop6h 58mAmerican Airlines
Thu 5/305:00 amSAT - TYS
1 stop5h 41mAmerican Airlines
Deal found 4/24$206
Tue 7/305:10 amTYS - SAT
1 stop4h 53mAmerican Airlines
Wed 8/712:29 pmSAT - TYS
1 stop4h 05mAmerican Airlines
Deal found 4/24$216
Thu 5/237:53 pmTYS - SAT
1 stop5h 21mAmerican Airlines
Mon 5/276:40 pmSAT - TYS
1 stop4h 38mAmerican Airlines
Deal found 4/23$236
Sat 5/185:30 amTYS - SAT
1 stop7h 11mAmerican Airlines
Tue 5/216:14 amSAT - TYS
1 stop4h 54mAmerican Airlines
Deal found 4/23$252
Fri 5/247:53 pmTYS - SAT
1 stop5h 21mAmerican Airlines
Sun 5/266:40 pmSAT - TYS
1 stop4h 38mAmerican Airlines
Deal found 4/23$262
Wed 5/297:01 amTYS - SAT
1 stop6h 09mAmerican Airlines
Sat 6/12:27 pmSAT - TYS
1 stop5h 11mAmerican Airlines
Deal found 4/23$265

Knoxville to San Antonio flights leaving soon

Find last-minute flight options from Knoxville to San Antonio for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated April 25, 2024.
Have a look at some of the last-minute flights available departing from Knoxville to San Antonio. Users should be sure to double check the price, date, and time of their last-minute flight.
Thu 5/28:10 pmTYS - SAT
1 stop5h 10mAmerican Airlines
Thu 6/65:45 pmSAT - TYS
1 stop5h 39mAmerican Airlines
Deal found 4/24$562
Thu 5/26:52 amTYS - SAT
2 stops9h 51mAmerican Airlines
Thu 6/65:54 pmSAT - TYS
1 stop5h 04mAmerican Airlines
Deal found 4/24$690
Mon 4/292:44 pmTYS - SAT
1 stop6h 42mAmerican Airlines
Wed 5/16:25 amSAT - TYS
1 stop4h 45mAmerican Airlines
Deal found 4/24$815
Mon 4/298:10 pmTYS - SAT
1 stop5h 10mAmerican Airlines
Wed 5/15:00 amSAT - TYS
2 stops8h 14mAmerican Airlines
Deal found 4/24$820
Thu 5/26:52 amTYS - SAT
2 stops9h 51mAmerican Airlines
Thu 6/62:20 pmSAT - TYS
2 stops8h 38mAmerican Airlines
Deal found 4/24$825
Mon 4/298:10 pmTYS - SAT
1 stop5h 10mAmerican Airlines
Tue 4/301:19 pmSAT - TYS
1 stop7h 28mAmerican Airlines
Deal found 4/24$855
Mon 4/292:44 pmTYS - SAT
2 stops6h 57mAmerican Airlines
Tue 4/301:19 pmSAT - TYS
1 stop5h 21mAmerican Airlines
Deal found 4/24$860
Mon 4/298:52 amTYS - SAT
2 stops9h 55mUnited Airlines
Tue 4/305:20 amSAT - TYS
2 stops8h 36mUnited Airlines
Deal found 4/24$2,494

One-way flights to San Antonio from Knoxville

Search for one-way flight options from Knoxville to San Antonio. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated April 25, 2024.
Users in need of a one-way flight from Knoxville to San Antonio can choose from these deals. Users needing a return flight from Knoxville to San Antonio should utilize the search form above.
Fri 5/310:56 amTYS - SAT
1 stop12h 03mFrontier
Deal found 4/23$105
Wed 5/810:51 amTYS - SAT
3 stops43h 54mMultiple Airlines
Deal found 4/23$353
Thu 5/25:32 amTYS - SAT
1 stop7h 36mAmerican Airlines
Deal found 4/24$444
Fri 5/37:00 amTYS - SAT
2 stops11h 28mAmerican Airlines
Deal found 4/23$449
Wed 5/810:51 amTYS - SAT
2 stops26h 06mFrontier
Deal found 4/23$494

Find flights from Knoxville to San Antonio within your budget

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 3,068,701 searches. Data last updated April 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$154 - $427

Route

Depart

Return

Price

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

Sun 9/15

1 stop9h 39m

San Antonio

Wed 9/18

1 stop6h 58m

$154

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

Thu 5/30

1 stop23h 08m

San Antonio

Wed 7/10

1 stop22h 26m

$174

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

Fri 5/24

1 stop12h 40m

San Antonio

Wed 5/29

1 stop18h 27m

$175

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

Wed 5/29

1 stop6h 58m

San Antonio

Thu 5/30

1 stop5h 41m

$206

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

Tue 7/30

1 stop4h 53m

San Antonio

Wed 8/7

1 stop4h 05m

$216

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

Thu 5/23

1 stop5h 21m

San Antonio

Mon 5/27

1 stop4h 38m

$236

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

Sat 5/18

1 stop7h 11m

San Antonio

Tue 5/21

1 stop4h 54m

$252

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

Fri 6/21

1 stop5h 18m

San Antonio

Sun 6/23

1 stop5h 00m

$287

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

Tue 7/30

1 stop5h 01m

San Antonio

Wed 8/7

2 stops7h 30m

$427

Flights are sorted by cheapest first

Deals found on 4/23

When is the best time to book a flight from Knoxville to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to San Antonio. Price data was last updated on January 28, 2024.
To ensure you get the cheapest price possible for a flight from Knoxville to San Antonio, you should look to book at least 66 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

When is the cheapest time to fly from Knoxville to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Knoxville to San Antonio. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Knoxville to San Antonio flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to San Antonio by month

Plan your trip from Knoxville to San Antonio by taking into account the cheapest months to travel. The average price of a one-way flight from Knoxville to San Antonio is currently $369 while a round-trip flight costs $236. Price data was last updated on April 21, 2024.

Currently, September is the cheapest month in which you can book a flight from Knoxville to San Antonio (average of $289). Flying from Knoxville to San Antonio in March is currently the most expensive (average of $376). 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.

January

$303

February

$317

March

$376

April

$344

May

$332

June

$366

July

$350

August

$298

September

$289

October

$298

November

$315

December

$313

Temperature and rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature and rainfall totals by month.

SAT

Temperature

51.8 - 84.2 °F

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 April 25, 2024.
Peruse reviews from past customers who have flown with Frontier, United Airlines and American Airlines from Knoxville to San Antonio to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
11,004 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.5

Boarding

8.2

Entertainment

8.0

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
11,004 reviews
Delta
8.1
Very good
11,004 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.5

Boarding

8.2

Entertainment

8.0

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,255 reviews
Delta
8.1
Very good
11,004 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.5

Boarding

8.2

Entertainment

8.0

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

American Airlines
7.3
Good
14,898 reviews
Delta
8.1
Very good
11,004 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.5

Boarding

8.2

Entertainment

8.0

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Frontier
6.3
Okay
4,135 reviews
Delta
8.1
Very good
11,004 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.5

Boarding

8.2

Entertainment

8.0

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

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.

  • Can I find flights from Knoxville to San Antonio for under $200 on Cheapflights?

    Yes, there are multiple flights from Knoxville to San Antonio for under $200. The cheapest flight booked recently is on Frontier for just $154, but on average you can expect to pay $297.

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

    There are currently 8+ open flights from Knoxville to San Antonio within the next 7 days for less than $600.

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

    Our cheapest airline available from Knoxville to San Antonio is Frontier. Our recent data shows that you can find tickets from as low as $154 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $206 and $287 round-trip. Frontier is 68% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

  • What does TYS to SAT mean?

    TYS and SAT are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. TYS to SAT refers to a flight route from Knoxville McGhee Tyson Airport to San Antonio Airport.

  • Can I find deals for flights from Knoxville to San Antonio that include extra baggage allowance?

    The amount of baggage you can bring on your Knoxville to San Antonio flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Knoxville to San Antonio with specific airlines?

    Yes, Cheapflights allows you to browse and filter Knoxville to San Antonio flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Knoxville to San Antonio that include hotel bookings?

    Yes. In addition to deals on Knoxville to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to San Antonio.

  • Can I find deals for business class flights from Knoxville to San Antonio?

    Yes. Cheapflights offers flight deals from Knoxville to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Knoxville to San Antonio that allow pets onboard?

    Many airlines flying from Knoxville to San Antonio offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Knoxville to San Antonio?

    Yes, you can often find last-minute deals on Knoxville to San Antonio flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Knoxville to San Antonio flight deals updated?

    The Knoxville to San Antonio flight deals you see on this page were last updated on 4/24.

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Top 3 airlines flying from Knoxville to San Antonio

Discover the top 3 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 3,068,701 searches. Data last updated April 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$246Average$387FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$264Average$437FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$332Average$575FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Search flights from Knoxville to San Antonio by cabin class

Find flights from Knoxville to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Knoxville to San Antonio?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Knoxville to San Antonio. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Knoxville to San Antonio?

Cheapflights simply makes it quick and affordable to book flights from Knoxville to San Antonio by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Knoxville to San Antonio with no change fees?

Yes, we can. To see specific flights from Knoxville to San Antonio with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Knoxville to San Antonio become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Antonio from Knoxville today and book when prices fit your budget.

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