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TYS - SAT

$194 Find cheap flights from Knoxville to San Antonio

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Knoxville to San Antonio departing on 9/5. 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.
1 adult
0 bags
Wed 6/12
Wed 6/19

Search hundreds of travel sites at once for deals on flights to San Antonio

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Knoxville to San Antonio, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Knoxville to San Antonio, as well as popular online travel agencies
In the last 7 days travelers have searched 41,771,603 times on KAYAK, and here is why:

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Cheap flight deals from Knoxville to San Antonio (TYS-SAT)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Knoxville to San Antonio that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
10:06 pm - 6:57 amTYS-SAT
9h 51m1 stop
9:19 am - 4:50 pmSAT-TYS
6h 31m1 stop
$194Frontier
Find Deal
Thu, Sep 5 - Sat, Sep 7
5:10 am - 9:03 amTYS-SAT
4h 53m1 stop
5:42 pm - 11:57 pmSAT-TYS
5h 15m1 stop
$215American Airlines
Find Deal
Sat, Jul 27 - Sat, Aug 3
10:06 pm - 6:57 amTYS-SAT
9h 51m1 stop
9:19 am - 5:17 pmSAT-TYS
6h 58m1 stop
$234Frontier
Find Deal
Thu, Sep 5 - Mon, Sep 9
6:08 pm - 11:25 pmTYS-SAT
6h 17m1 stop
8:24 am - 2:23 pmSAT-TYS
4h 59m1 stop
$235American Airlines
Find Deal
Fri, Aug 16 - Mon, Aug 19
7:00 am - 12:09 pmTYS-SAT
6h 09m1 stop
5:15 am - 1:38 pmSAT-TYS
7h 23m2 stops
$243United Airlines
Find Deal
Fri, Aug 16 - Mon, Aug 19
5:35 am - 9:38 amTYS-SAT
5h 03m1 stop
5:40 am - 1:25 pmSAT-TYS
6h 45m1 stop
$251Delta
Find Deal
Fri, Sep 6 - Sun, Sep 8
5:35 am - 9:38 amTYS-SAT
5h 03m1 stop
7:00 am - 1:25 pmSAT-TYS
5h 25m1 stop
$264Delta
Find Deal
Fri, Sep 6 - Sat, Sep 7
7:00 am - 12:18 pmTYS-SAT
6h 18m1 stop
5:50 pm - 11:30 pmSAT-TYS
4h 40m1 stop
$268United Airlines
Find Deal
Sat, Sep 7 - Sat, Sep 7
10:43 pm - 1:55 amTYS-SAT
28h 12m3 stops
6:59 pm - 10:31 amSAT-TYS
14h 32m1 stop
Sun, Jun 9 - Sun, Jun 16
8:15 pm - 9:48 pmTYS-SAT
26h 33m2 stops
6:59 pm - 10:31 amSAT-TYS
14h 32m1 stop
Sun, Jun 9 - Sun, Jun 16

Flights from Knoxville to San Antonio - Travel Insights & Trends

Get data-powered insights and trends into flights from Knoxville to San Antonio to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Knoxville to San Antonio?

The average price of all flights from Knoxville to San Antonio clicked on KAYAK for each day over the last 12 months.
When flying from Knoxville to San Antonio, you should consider leaving on a Thursday and avoid Sundays if you are looking for the best rates. For your return to Knoxville, you’ll find the best rates on Tuesdays and the most expensive ones on Sundays.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Knoxville to San Antonio, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Knoxville to San Antonio is May, where tickets cost $311 on average. On the other hand, the most expensive months are June and October, where the average cost of tickets is $547 and $504 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Knoxville to San Antonio, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Knoxville to San Antonio, you should book around 2 days before departure. For the absolute cheapest price, our data suggests you should book 86 days before departure.

Good to know

Low season

July

High season

April

Cheapest flight

$194
Best time to beat the crowds but there is an average 10% increase in price.
Most popular time to fly and prices are also 11% lower on average.
Flight from Knoxville to San Antonio

When to book flights from Knoxville to San Antonio

Are your dates flexible? Find out the best times to travel from Knoxville to San Antonio based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Knoxville to San Antonio

  • What is the cheapest flight from Knoxville to San Antonio?

    In the last 3 days, the lowest price for a flight from Knoxville to San Antonio was $194 for a round-trip ticket.

  • Do I need a passport to fly between Knoxville and San Antonio?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which aircraft models fly most regularly from Knoxville to San Antonio?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Knoxville to San Antonio?

    oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between Knoxville and San Antonio, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Knoxville to San Antonio, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from Knoxville to San Antonio are Delta and United Airlines. With an average price for the route of $436 and an overall rating of 8.0, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $549 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Knoxville to San Antonio?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Knoxville to San Antonio.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Knoxville to San Antonio?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Antonio from Knoxville is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Knoxville to San Antonio?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Antonio with an airline and back to Knoxville with another airline. Booking your flights between Knoxville and SAT can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Knoxville to San Antonio?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Antonio from Knoxville up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top 3 airlines serving from Knoxville to San Antonio

 
See real verified KAYAK customer reviews for airlines flying from Knoxville to San Antonio. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Knoxville to San Antonio? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
DeltaOverall score based on 10736 reviews
7.9Comfort
7.4Food
8.6Crew
8.0Entertainment
8.2Boarding
Airline reviews

Absolutely nothing flight was cancelled and delayed for 2 days. Barely a heads up I want a full refund

2.0 MediocreDevan, May 2024AUS - BOS
Read more about Delta reviews

Absolutely nothing flight was cancelled and delayed for 2 days. Barely a heads up I want a full refund

The plane from SNA wouldn’t start after 5 tries. The team gave me an option of flying direct from LAX and giving me a Lyft ride there! Perfect!

Best airline! Always friendly and welcoming. Skyclub was great and loved the fast free wifi on board. I also love that you can pre-order your meal on the app!

Atlanta boarding crew at gate were filled with arrogance and were disrespectful. In flight crew showed indifference to the needs of passengers. This is about the flight from ATL to BDL.

Boarding was somewhat chaotic. Unable to evaluate crew or food/drink because captain kept them seated due to turbulence. Have no idea if entertainment was offered.

The gate area was incredibly short staffed, with one representative manning 4-5 flights, which caused a 3 hr delay in boarding even though the plane was all ready to leave. Other flights also were delayed because of this. The flight crew was awesome and I feel bad for the only gate worker on call, but Delta needs to hire more employees.

Very frustrated with boarding gate crew. She announced the plane was small and they would be limiting us to one item to carry on. Not a problem for me as I understand the tiny planes have limited space!! Not the case here! It was a rather large plane and had plenty of room for bags! So because I don’t want to be one of “those people” who ignores the request to check a carry on I did so asking if I would be able to pick it up at the bottom of the ramp on arrival in Knoxville to which she responded “yes”! Then I watched as every other passenger held onto their 2 items and boarded!! Then when we arrived in Knoxville our 2 carry ons had been put with all the other luggage and we had to go to baggage pick up and wait for all the big checked bags to come off the carousel! So she lied!! Frustrating. Next time I won’t be so nice!

It was a good experience except when boarding a female flight attendant did not go out of her way to assist my teenage daughters in finding space for their carry-ons after their compartments were full.

On time departure, smooth trip, flight attendant told through passengers the gate we would arrive at and the gate our outbound flight was departing from. Early arrival

Checking in at the airport the agent only booked the first keg of my trip and had my checked luggage going to the airport with a layover! Never was issued a boarding pass for the second leg or received sticker fir my checked bag. All was well in the end! Delta agents helped to resolve the situation!!!

No lounge access with “United First” ticket. False alarm about late flight, jeopardizing connection. Wrong meal. Loose power socket would not hold plug, could not charge device. In-flight access to text messaging did not work. Toilet seat on plane would not stay up.

Crew were fine, drinks and snacks were as well but we were delayed for around 2 hrs which made our entry into Mexico delayed as well with the influx of arrivals at the same time. Sort of wasted our first day of vacation. We left Pittsburgh at 630am and did not arrive in Mexico until late dinner time.

Boarding was unorganized. They expected passengers to ask people to move their assigned seat they paid for in order to sit together. The seats even in comfort are smaller than other airlines and the flight attendants appeared not to be well prepared

Due to one crew member not showing up to work, our flight was significantly delayed causing us to miss our connecting flight in Houston to Mississippi causing us to be delayed by more than 6 hours and missing our event all together. Very disappointing. All because ONE crew member called in sick. United did grant us a $15 meal voucher, which was a small but appreciated concession that I wasn’t able to use because I ordered my lunch and paid for it before applying the concession, and the staff said it was too late to use it. Ugh! We also had a TWO delay coming back from Mississippi, but that was on American Airlines and it was due to weather, so not their fault. Anyway, not at all impressed with United’s handling of our flight and the HUGE disappointment of missing our important family event for our 90 year old mother. All that money and all that stress and emotions for nothing. Having to wait the hour to bring an employee from LAX seemed like something that should not have happened. Why don’t you have a local back-up? Santa Ana is not a little airport in a rural area.

Trip was smooth bumpy from the wind but no issues at all the crew attendant was very pleasant and had great customer service

The customer service was excellent! Check-in, baggage check-in, boarding, the flight went very smooth.

Awful. I got stuck next to a person carrying a dog and behind someone with a dog. People need to board these dogs downstairs. The cabin is crowded enough with your pets

It was delayed several hours which delayed our connection in Denver. Not happy.

Ok, but comfort was lacking as the seats were way to small

All good except paid for wifi that did not work

Left from gate 30 minutes before flight. Never been late to a flight ever. It says 15 minutes before explicitly on the ticket.

Even though we left CMI late, we mostly made up the time.

Horrible - they lied to me about baggage & boarding, even though I specifically spoke to their agents the day before my flight about my issue. When I showed up they did not let me board and stranded me at my airport until I bought a new flight with money I did not have to spend.

They gave my seat away although it was a connecting flight with them and the flight was a bit delayed.

this is starting to seem like an american airlines standard. delayed flights and fake apologies… getting tired of it

Flight boarded without pilots. Sat on plane for 3 hrs. after over an hour late boarding. Plane never took off. Had to deplane near midnight. Line for rebooking was 3 hours + long. I had to leave.

Missed the flight because of them and up geting a rental car

Delayd flight out of atl as always miss my conection in dfw no flight untill next day

No problems with flight. Even though I had a short layover in DFW, I was still able to easily make my connection.

Good flights. Departure and arrivals were on time. DFW was a little problematic in that the Skytrain without prior notice bypassed the Echo terminal so that delayed my arrival at my connecting flight.

Last minute flights from Knoxville to San Antonio

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Knoxville to San Antonio that are departing in the next 10 days.
5/18Sat
multi-stopAmerican Airlines
6h 09mTYS-SAT
5/21Tue
multi-stopAmerican Airlines
7h 29mSAT-TYS
$342
5/18Sat
multi-stopAmerican Airlines
6h 59mTYS-SAT
5/21Tue
multi-stopAmerican Airlines
8h 13mSAT-TYS
$611
5/18Sat
multi-stopAmerican Airlines
7h 31mTYS-SAT
5/21Tue
multi-stopAmerican Airlines
8h 13mSAT-TYS
$616

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Knoxville - San Antonio Flights

Departure:

Knoxville (undefined)United States

Destination:

San Antonio (SAT)United States

Return flight deals:

San Antonio - Knoxville

Cabin classes: