Cheap flights from Knoxville to San Antonio (TYS - SAT) from $125

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight to San Antonio departing on 5/26. 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
mar. 5 — mar. 121

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 Saturday or Thursday 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 febrero 29, 2024.

Popular in

March

Cheapest in

February

Round-trip from

$289

One-way from

$125
High demand for flights, 18% potential price rise
Best time to find cheap flights, 20% potential price drop
From Knoxville McGhee Tyson to San Antonio
One-way flight from Knoxville McGhee Tyson to San Antonio

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

Leaving on a Friday 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 43% 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 afternoon. By choosing this option you can save up to 12% 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 3,314,962 searches. Data last updated febrero 29, 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.
jue. 5/2310:06 pmTYS - SAT
1 stop9h 51mFrontier
mié. 5/299:19 amSAT - TYS
1 stop6h 58mFrontier
Deal found 2/28$209
vie. 3/297:12 pmTYS - SAT
1 stop24h 54mFrontier
vie. 4/510:17 pmSAT - TYS
1 stop21h 43mFrontier
Deal found 2/28$307
lun. 4/81:43 pmTYS - SAT
1 stop7h 51mFrontier
mié. 4/102:18 pmSAT - TYS
1 stop16h 05mFrontier
Deal found 2/28$496

Cheap Delta flights from Knoxville to San Antonio

Explore cheap flight options specifically provided by Delta 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 3,314,962 searches. Data last updated febrero 29, 2024.
Some of the best deals we've found on Delta flights traveling from Knoxville to San Antonio. Check back soon if you're not seeing flights that suit your needs.
sáb. 4/205:30 amTYS - SAT
1 stop6h 25mDelta
mar. 4/236:15 pmSAT - TYS
1 stop4h 40mDelta
Deal found 2/28$238
lun. 3/256:43 pmTYS - SAT
1 stop7h 01mDelta
jue. 3/287:00 amSAT - TYS
1 stop4h 57mDelta
Deal found 2/28$458
jue. 4/43:51 pmTYS - SAT
1 stop9h 53mDelta
lun. 4/85:20 amSAT - TYS
1 stop6h 36mDelta
Deal found 2/28$546
jue. 3/146:47 pmTYS - SAT
1 stop6h 57mDelta
mar. 4/96:15 pmSAT - TYS
1 stop4h 40mDelta
Deal found 2/28$850
jue. 4/43:51 pmTYS - SAT
1 stop6h 54mDelta
mar. 4/95:20 amSAT - TYS
1 stop6h 46mDelta
Deal found 2/28$1,233
vie. 4/53:51 pmTYS - SAT
1 stop6h 54mDelta
mar. 4/95:20 amSAT - TYS
1 stop6h 46mDelta
Deal found 2/28$1,328

Cheap Knoxville to San Antonio flights in February & March 2024

Find cheap flight options from Knoxville to San Antonio specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,314,962 searches. Prices were last updated on febrero 29, 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.
mar. 3/265:08 amTYS - SAT
1 stop7h 50mAmerican Airlines
mar. 4/25:50 amSAT - TYS
1 stop7h 45mAmerican Airlines
Deal found 2/27$235
dom. 3/315:00 amTYS - SAT
1 stop7h 58mAmerican Airlines
sáb. 4/65:56 pmSAT - TYS
1 stop4h 42mAmerican Airlines
Deal found 2/29$245
mié. 3/136:21 pmTYS - SAT
1 stop6h 21mAmerican Airlines
sáb. 4/135:56 pmSAT - TYS
1 stop4h 42mAmerican Airlines
Deal found 2/28$260
jue. 3/2110:19 amTYS - SAT
1 stop7h 54mAmerican Airlines
jue. 3/286:40 pmSAT - TYS
1 stop4h 16mAmerican Airlines
Deal found 2/28$271
vie. 3/297:12 pmTYS - SAT
1 stop24h 54mFrontier
vie. 4/510:17 pmSAT - TYS
1 stop21h 43mFrontier
Deal found 2/28$307
mié. 3/279:00 amTYS - SAT
2 stops16h 05mMultiple Airlines
mié. 4/36:05 amSAT - TYS
1 stop6h 56mMultiple Airlines
Deal found 2/28$312
lun. 3/187:30 amTYS - SAT
2 stops31h 12mMultiple Airlines
jue. 3/216:05 amSAT - TYS
1 stop6h 56mMultiple Airlines
Deal found 2/29$364
lun. 3/257:30 amTYS - SAT
3 stops33h 08mMultiple Airlines
jue. 3/286:05 amSAT - TYS
1 stop15h 26mMultiple Airlines
Deal found 2/28$369
mié. 3/139:00 amTYS - SAT
2 stops16h 05mMultiple Airlines
sáb. 4/135:50 amSAT - TYS
1 stop6h 45mMultiple Airlines
Deal found 2/28$377

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 3,314,962 searches. Data last updated febrero 29, 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.
jue. 5/2310:06 pmTYS - SAT
1 stop9h 51mFrontier
mié. 5/299:19 amSAT - TYS
1 stop6h 58mFrontier
Deal found 2/28$209
mar. 3/265:08 amTYS - SAT
1 stop7h 50mAmerican Airlines
mar. 4/25:50 amSAT - TYS
1 stop7h 45mAmerican Airlines
Deal found 2/27$235
sáb. 5/185:30 amTYS - SAT
1 stop7h 11mAmerican Airlines
mar. 5/215:55 pmSAT - TYS
1 stop4h 56mAmerican Airlines
Deal found 2/28$236
sáb. 4/205:30 amTYS - SAT
1 stop6h 25mDelta
mar. 4/236:15 pmSAT - TYS
1 stop4h 40mDelta
Deal found 2/28$238
dom. 3/315:00 amTYS - SAT
1 stop7h 58mAmerican Airlines
sáb. 4/65:56 pmSAT - TYS
1 stop4h 42mAmerican Airlines
Deal found 2/29$245
jue. 4/188:10 pmTYS - SAT
1 stop5h 10mAmerican Airlines
mar. 4/237:00 amSAT - TYS
1 stop5h 25mAmerican Airlines
Deal found 2/28$246
jue. 9/196:25 pmTYS - SAT
1 stop4h 51mAmerican Airlines
lun. 9/2311:49 amSAT - TYS
1 stop4h 40mAmerican Airlines
Deal found 2/28$255
mié. 3/136:21 pmTYS - SAT
1 stop6h 21mAmerican Airlines
sáb. 4/135:56 pmSAT - TYS
1 stop4h 42mAmerican Airlines
Deal found 2/28$260
sáb. 6/16:28 pmTYS - SAT
1 stop6h 26mAmerican Airlines
mié. 6/56:00 amSAT - TYS
1 stop6h 28mAmerican Airlines
Deal found 2/27$263

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 3,314,962 searches. Data last updated febrero 29, 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.
dom. 5/2610:18 pmTYS - SAT
1 stop9h 39mFrontier
Deal found 2/27$125
dom. 4/74:06 pmTYS - SAT
1 stop29h 28mMultiple Airlines
Deal found 2/28$159
dom. 4/79:00 amTYS - SAT
2 stops17h 24mMultiple Airlines
Deal found 2/28$175
sáb. 3/301:10 pmTYS - SAT
1 stop5h 42mUnited Airlines
Deal found 2/28$214
dom. 4/79:00 amTYS - SAT
3 stops27h 39mMultiple Airlines
Deal found 2/28$217
jue. 3/285:30 pmTYS - SAT
1 stop8h 54mMultiple Airlines
Deal found 2/28$226
vie. 3/157:30 amTYS - SAT
2 stops31h 12mMultiple Airlines
Deal found 2/27$279
jue. 3/2810:19 amTYS - SAT
2 stops9h 23mAmerican Airlines
Deal found 2/28$284
dom. 5/266:21 amTYS - SAT
2 stops10h 25mAmerican Airlines
Deal found 2/27$285

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 3,314,962 searches. Data last updated febrero 29, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$209 - $330

Route

Depart

Return

Price

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

jue. 5/23

1 stop9h 51m

San Antonio

mié. 5/29

1 stop6h 58m

$209

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

mar. 3/26

1 stop7h 50m

San Antonio

mar. 4/2

1 stop7h 45m

$235

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

sáb. 5/18

1 stop7h 11m

San Antonio

mar. 5/21

1 stop4h 56m

$236

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

sáb. 4/20

1 stop6h 25m

San Antonio

mar. 4/23

1 stop4h 40m

$238

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

jue. 4/18

1 stop5h 10m

San Antonio

mar. 4/23

1 stop5h 25m

$246

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

jue. 4/18

1 stop5h 10m

San Antonio

lun. 4/22

1 stop4h 42m

$255

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

vie. 3/29

1 stop24h 54m

San Antonio

vie. 4/5

1 stop21h 43m

$307

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

mié. 3/27

2 stops16h 05m

San Antonio

mié. 4/3

1 stop6h 56m

$312

Knoxville McGhee TysonSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

mié. 5/29

1 stop6h 09m

San Antonio

lun. 6/3

1 stop7h 18m

$330

Flights are sorted by cheapest first

Deals found on 2/28

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 February 25, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Knoxville to San Antonio flight should consider departing on Wednesday at noon 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 $218 while a round-trip flight costs $263. Price data was last updated on February 25, 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 $387). 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

$318

March

$387

April

$358

May

$338

June

$376

July

$356

August

$296

September

$289

October

$298

November

$314

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 febrero 29, 2024.
Peruse reviews from past customers who have flown with Frontier, Delta 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.
8.1
Very good
11,818 reviews

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

8.1

Food

7.5

Crew

8.6

Reviews

1 / 10

It was a good experience other than a short delay.

8.1
Very good
11,818 reviews
8.1
Very good
11,818 reviews

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

8.1

Food

7.5

Crew

8.6

Reviews

1 / 10

It was a good experience other than a short delay.

7.4
Good
11,794 reviews
8.1
Very good
11,818 reviews

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

8.1

Food

7.5

Crew

8.6

Reviews

1 / 10

It was a good experience other than a short delay.

7.3
Good
15,571 reviews
8.1
Very good
11,818 reviews

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

8.1

Food

7.5

Crew

8.6

Reviews

1 / 10

It was a good experience other than a short delay.

6.4
Okay
4,459 reviews
8.1
Very good
11,818 reviews

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

8.1

Food

7.5

Crew

8.6

Reviews

1 / 10

It was a good experience other than a short delay.

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 $300 on Cheapflights?

Yes, there are multiple flights from Knoxville to San Antonio for under $300. The cheapest flight booked recently is on Frontier for just $209, but on average you can expect to pay $326.

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 $209 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $235 and $238 round-trip. Frontier is 56% 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 Frontier ($125), United Airlines ($214), and American Airlines ($284).

What are the most popular airlines that fly 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.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 3,314,962 searches. Data last updated febrero 29, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$252Average$465FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$266Average$449FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$337Average$491FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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.

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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