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Cheap flights from Knoxville to San Antonio (TYS - SAT) from $99

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 6/5. 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
May 1 — May 81
From?
To?
Wed 5/1
Wed 5/8
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 26, 2024.

Popular in

March

Cheapest in

February

Round-trip from

$289

One-way from

$99
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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From Knoxville McGhee Tyson to San Antonio
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One-way flight 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 3,068,117 searches. Data last updated April 26, 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.
Thu 5/309:55 pmTYS - SAT
1 stop23h 08mFrontier
Mon 6/38:00 pmSAT - TYS
1 stop10h 57mFrontier
Deal found 4/26$200
Tue 6/1810:26 pmTYS - SAT
1 stop21h 53mFrontier
Fri 6/219:23 amSAT - TYS
1 stop11h 02mFrontier
Deal found 4/25$251

Cheap American Airlines flights from Knoxville to San Antonio

Explore cheap flight options specifically provided by American 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 3,068,117 searches. Data last updated April 26, 2024.
Some of the best deals we've found on American Airlines flights traveling from Knoxville to San Antonio. Check back soon if you're not seeing flights that suit your needs.
Tue 5/217:53 pmTYS - SAT
1 stop5h 21mAmerican Airlines
Tue 5/285:00 amSAT - TYS
1 stop5h 41mAmerican Airlines
Deal found 4/26$196
Fri 5/3112:38 pmTYS - SAT
1 stop5h 27mAmerican Airlines
Mon 6/35:55 pmSAT - TYS
1 stop4h 56mAmerican Airlines
Deal found 4/25$225
Wed 5/295:58 pmTYS - SAT
1 stop7h 16mAmerican Airlines
Sat 6/112:31 pmSAT - TYS
1 stop7h 07mAmerican Airlines
Deal found 4/26$252
Thu 5/305:19 amTYS - SAT
1 stop7h 51mAmerican Airlines
Tue 6/45:55 pmSAT - TYS
1 stop4h 56mAmerican Airlines
Deal found 4/25$260
Sat 5/186:31 pmTYS - SAT
1 stop4h 20mAmerican Airlines
Tue 5/216:14 amSAT - TYS
1 stop6h 59mAmerican Airlines
Deal found 4/25$265
Mon 6/35:30 amTYS - SAT
1 stop5h 32mAmerican Airlines
Mon 6/105:54 pmSAT - TYS
1 stop5h 04mAmerican Airlines
Deal found 4/25$272
Fri 5/107:53 pmTYS - SAT
1 stop5h 21mAmerican Airlines
Sun 5/126:14 amSAT - TYS
1 stop4h 54mAmerican Airlines
Deal found 4/24$283
Tue 5/217:53 pmTYS - SAT
1 stop5h 21mAmerican Airlines
Thu 5/235:00 amSAT - TYS
1 stop5h 41mAmerican Airlines
Deal found 4/25$412
Mon 6/32:43 pmTYS - SAT
1 stop6h 37mAmerican Airlines
Fri 6/75:54 pmSAT - TYS
1 stop5h 04mAmerican Airlines
Deal found 4/24$555

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 3,068,117 searches. Prices were last updated on April 26, 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.
Tue 5/217:53 pmTYS - SAT
1 stop5h 21mAmerican Airlines
Tue 5/285:00 amSAT - TYS
1 stop5h 41mAmerican Airlines
Deal found 4/26$196
Thu 5/309:55 pmTYS - SAT
1 stop23h 08mFrontier
Mon 6/38:00 pmSAT - TYS
1 stop10h 57mFrontier
Deal found 4/26$200
Fri 5/3112:38 pmTYS - SAT
1 stop5h 27mAmerican Airlines
Mon 6/35:55 pmSAT - TYS
1 stop4h 56mAmerican Airlines
Deal found 4/25$225
Wed 5/295:58 pmTYS - SAT
1 stop7h 16mAmerican Airlines
Sat 6/112:31 pmSAT - TYS
1 stop7h 07mAmerican Airlines
Deal found 4/26$252
Thu 5/305:19 amTYS - SAT
1 stop7h 51mAmerican Airlines
Tue 6/45:55 pmSAT - TYS
1 stop4h 56mAmerican Airlines
Deal found 4/25$260
Sat 5/186:31 pmTYS - SAT
1 stop4h 20mAmerican Airlines
Tue 5/216:14 amSAT - TYS
1 stop6h 59mAmerican Airlines
Deal found 4/25$265
Fri 5/107:53 pmTYS - SAT
1 stop5h 21mAmerican Airlines
Sun 5/126:14 amSAT - TYS
1 stop4h 54mAmerican Airlines
Deal found 4/24$283
Fri 4/2610:56 amTYS - SAT
1 stop12h 03mFrontier
Mon 4/297:57 pmSAT - TYS
1 stop10h 51mFrontier
Deal found 4/25$298
Sat 4/276:18 pmTYS - SAT
1 stop7h 02mAmerican Airlines
Tue 4/301:19 pmSAT - TYS
1 stop5h 21mAmerican Airlines
Deal found 4/26$351

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 3,068,117 searches. Data last updated April 26, 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.
Tue 5/217:53 pmTYS - SAT
1 stop5h 21mAmerican Airlines
Tue 5/285:00 amSAT - TYS
1 stop5h 41mAmerican Airlines
Deal found 4/26$196
Thu 5/309:55 pmTYS - SAT
1 stop23h 08mFrontier
Mon 6/38:00 pmSAT - TYS
1 stop10h 57mFrontier
Deal found 4/26$200
Fri 5/3112:38 pmTYS - SAT
1 stop5h 27mAmerican Airlines
Mon 6/35:55 pmSAT - TYS
1 stop4h 56mAmerican Airlines
Deal found 4/25$225
Tue 6/1810:26 pmTYS - SAT
1 stop21h 53mFrontier
Fri 6/219:23 amSAT - TYS
1 stop11h 02mFrontier
Deal found 4/25$251
Wed 5/295:58 pmTYS - SAT
1 stop7h 16mAmerican Airlines
Sat 6/112:31 pmSAT - TYS
1 stop7h 07mAmerican Airlines
Deal found 4/26$252
Thu 5/305:19 amTYS - SAT
1 stop7h 51mAmerican Airlines
Tue 6/45:55 pmSAT - TYS
1 stop4h 56mAmerican Airlines
Deal found 4/25$260
Sat 5/186:31 pmTYS - SAT
1 stop4h 20mAmerican Airlines
Tue 5/216:14 amSAT - TYS
1 stop6h 59mAmerican Airlines
Deal found 4/25$265
Mon 6/35:30 amTYS - SAT
1 stop5h 32mAmerican Airlines
Mon 6/105:54 pmSAT - TYS
1 stop5h 04mAmerican Airlines
Deal found 4/25$272
Fri 5/107:53 pmTYS - SAT
1 stop5h 21mAmerican Airlines
Sun 5/126:14 amSAT - TYS
1 stop4h 54mAmerican Airlines
Deal found 4/24$283

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 3,068,117 searches. Data last updated April 26, 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.
Fri 5/35:33 pmTYS - SAT
1 stop6h 39mUnited Airlines
Mon 5/65:47 pmSAT - TYS
1 stop4h 18mUnited Airlines
Deal found 4/25$592
Fri 5/35:19 amTYS - SAT
2 stops7h 49mAmerican Airlines
Mon 5/67:15 amSAT - TYS
1 stop5h 25mAmerican Airlines
Deal found 4/25$612

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 3,068,117 searches. Data last updated April 26, 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.
Wed 6/56:00 amTYS - SAT
1 stop6h 39mAmerican Airlines
Deal found 4/25$99
Wed 6/511:06 amTYS - SAT
2 stops11h 54mAmerican Airlines
Deal found 4/25$284

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 3,068,117 searches. Data last updated April 26, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$196 - $378

Route

Depart

Return

Price

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

Tue 5/21

1 stop5h 21m

San Antonio

Tue 5/28

1 stop5h 41m

$196

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

Thu 5/30

1 stop23h 08m

San Antonio

Mon 6/3

1 stop10h 57m

$200

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

Fri 5/31

1 stop5h 27m

San Antonio

Mon 6/3

1 stop4h 56m

$225

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

Tue 6/18

1 stop21h 53m

San Antonio

Fri 6/21

1 stop11h 02m

$251

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

Wed 5/29

1 stop7h 16m

San Antonio

Sat 6/1

1 stop7h 07m

$252

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

Thu 5/30

1 stop7h 51m

San Antonio

Tue 6/4

1 stop4h 56m

$260

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

Sat 5/18

1 stop4h 20m

San Antonio

Tue 5/21

1 stop6h 59m

$265

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

Wed 9/4

1 stop5h 10m

San Antonio

Wed 9/25

2 stops7h 23m

$313

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

Mon 6/17

1 stop5h 18m

San Antonio

Mon 6/24

1 stop4h 43m

$378

Flights are sorted by cheapest first

Deals found on 4/26

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 $192 while a round-trip flight costs $260. 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 26, 2024.
Peruse reviews from past customers who have flown with Frontier, American Airlines and United 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
10,966 reviews
Check prices

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

8.0

Food

7.4

Crew

8.6

Reviews

1 / 10

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

Delta
8.1
Very good
10,966 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

8.0

Food

7.4

Crew

8.6

Reviews

1 / 10

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

United Airlines
7.4
Good
11,228 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

8.0

Food

7.4

Crew

8.6

Reviews

1 / 10

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

American Airlines
7.3
Good
14,889 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

8.0

Food

7.4

Crew

8.6

Reviews

1 / 10

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

Frontier
6.3
Okay
4,132 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

8.0

Food

7.4

Crew

8.6

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 American Airlines for just $196, but on average you can expect to pay $355.

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

    There are currently 2+ 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 American Airlines. Our recent data shows that you can find tickets from as low as $196 on this airline. Additional options worth looking into are Frontier and United Airlines, starting at $200 and $313 round-trip. American Airlines is 59% 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 4/26.

See more FAQs

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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 3,068,117 searches. Data last updated April 26, 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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