$127+ Cheap flights from San Antonio to Knoxville (SAT - TYS)
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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — TYS
Apr 27 — May 41
1 adult, Economy
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Find cheap flights from San Antonio to Knoxville 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.Cheapflights Tip: The best prices from San Antonio to Knoxville McGhee Tyson are usually found in January or September, booked 48 days in advance, depart on a Wednesday or Tuesday and return on a Friday
Cheap flight deals from San Antonio to Knoxville
Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Knoxville (TYS). 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 22, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $258 (Delta) |
One-way from | $127 (Mytrip) |
Popular in | March |
Cheapest in | January |
Average price | $386 |
Find flight deals from San Antonio to Knoxville
Cheapest flights from San Antonio to KnoxvilleExplore the most affordable flight options available from San Antonio to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.
Explore the most affordable flight options available from San Antonio to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.
This Delta deal was found by Cheapflights users on 4/21. 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 5/316:08 pmSAT - TYS
1 stop4h 43mDelta
Wed 6/46:50 amTYS - SAT
1 stop6h 00mDelta
Deal found 4/21![Delta logo]()
$258
This Mytrip deal was found by Cheapflights users on 4/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/810:51 pmSAT - TYS
1 stop22h 08mMultiple Airlines
Mon 5/1210:00 amTYS - SAT
2 stops37h 51mMultiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$292
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/76:17 pmSAT - TYS
1 stop4h 42mAmerican Airlines
Thu 6/126:25 pmTYS - SAT
1 stop5h 38mAmerican Airlines
Deal found 4/22![American Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 4/22. 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 4/267:45 amSAT - TYS
2 stops7h 58mUnited Airlines
Fri 5/24:50 pmTYS - SAT
1 stop5h 16mUnited Airlines
Deal found 4/22![United Airlines logo]()
$384
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio to Knoxville 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 April 22, 2025.
Use the filters below to find and compare flights from San Antonio to Knoxville that are best for you.
Fly from
San Antonio
Fly to
Knoxville
Route
Depart
Return
Price
San AntonioKnoxville
SAT - TYS
SATTYS
San Antonio
Sat 5/31
6:08 pm-11:51 pm
1 stop4h 43m
Knoxville McGhee Tyson
Wed 6/4
6:50 am-11:50 am
1 stop6h 00m
$258
San AntonioKnoxville
SAT - TYS
SATTYS
San Antonio
Thu 5/8
10:51 pm-9:59 pm
1 stop22h 08m
Knoxville McGhee Tyson
Mon 5/12
10:00 am-10:51 pm
2 stops37h 51m
$292
San AntonioKnoxville
SAT - TYS
SATTYS
San Antonio
Sat 6/7
6:17 pm-11:59 pm
1 stop4h 42m
Knoxville McGhee Tyson
Thu 6/12
6:25 pm-11:03 pm
1 stop5h 38m
$309
San AntonioKnoxville
SAT - TYS
SATTYS
San Antonio
Sat 4/26
7:45 am-4:43 pm
2 stops7h 58m
Knoxville McGhee Tyson
Fri 5/2
4:50 pm-9:06 pm
1 stop5h 16m
$384
San AntonioKnoxville
SAT - TYS
SATTYS
San Antonio
Wed 5/21
7:05 am-3:27 pm
1 stop7h 22m
$127
Compare providers for flights from San Antonio to Knoxville
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 San Antonio to Knoxville in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Antonio-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Knoxville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Antonio-Knoxville flights, Cheapflights users trust eDreams the most. eDreams 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 San Antonio-Knoxville 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 San Antonio to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from San Antonio with our price prediction graph.
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 San Antonio to Knoxville
How far ahead should I book a flight from San Antonio to Knoxville?
Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Knoxville. Price data was last updated on April 18, 2025.
Booking 48 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Antonio to Knoxville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from San Antonio to Knoxville?
Currently, January is the cheapest month in which you can book a flight from San Antonio to Knoxville (average of $296). Flying from San Antonio to Knoxville 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.
What is the cheapest time of day to fly from SAT to TYS?
Find hourly flight availability from San Antonio to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 22, 2025.
A simple way to save on the total cost of your ticket is to fly from San Antonio to Knoxville in the evening. If you’re flexible enough to do this you can expect to save up to 26% on your trip compared to booking a flight in the morning.
Rainfall in Knoxville by month
Plan your trip to Knoxville by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Knoxville ranges from 2.7 - 4.8 inches per month. March is typically the wettest month, when rainfall can reach 4.8 in. October is typically the driest time to visit Knoxville when rainfall is around 2.7 in.
Temperature in Knoxville by month
Plan your trip to Knoxville by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Knoxville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).
Reviews of airlines servicing Knoxville
Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated April 22, 2025.
See what other customers who have flown with Delta, United Airlines and American Airlines from San Antonio to Knoxville have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Boarding
8.2
Entertainment
7.9
Comfort
7.9
Food
7.3
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Boarding
8.2
Entertainment
7.9
Comfort
7.9
Food
7.3
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Boarding
8.2
Entertainment
7.9
Comfort
7.9
Food
7.3
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Boarding
8.2
Entertainment
7.9
Comfort
7.9
Food
7.3
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from San Antonio to Knoxville. 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?
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Alternative routes for San Antonio to Knoxville
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from San Antonio to Knoxville
Discover the top 3 airlines that operate flights from San Antonio to Knoxville. 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 April 22, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$237 | Average$357 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$238 | Average$345 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$258 | Average$408 | FlexibilityNo cancel fee | On-time69% |