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SAT - TYS

Find cheap flights from San Antonio to Knoxville from $153

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Antonio to Knoxville departing on 9/18. 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
Sat 5/18
Sat 5/25

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

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Antonio to Knoxville, 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 San Antonio to Knoxville, as well as popular online travel agencies
In the last 7 days travelers have searched 44,471,296 times on KAYAK, and here is why:

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

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

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Antonio to Knoxville 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
9:19 am - 5:17 pmSAT-TYS
6h 58m1 stop
10:18 pm - 6:57 amTYS-SAT
9h 39m1 stop
$153Frontier
Find Deal
Wed, Sep 18 - Sun, Sep 22
9:19 am - 5:17 pmSAT-TYS
6h 58m1 stop
10:18 pm - 6:57 amTYS-SAT
9h 39m1 stop
$154Frontier
Find Deal
Wed, Sep 18 - Sun, Sep 22
6:14 am - 2:13 pmSAT-TYS
6h 59m1 stop
7:53 pm - 12:14 amTYS-SAT
5h 21m1 stop
$215American Airlines
Find Deal
Wed, May 29 - Fri, May 31
5:20 am - 1:33 pmSAT-TYS
7h 13m1 stop
5:30 am - 11:12 amTYS-SAT
6h 42m1 stop
$218Delta
Find Deal
Tue, May 7 - Sat, May 11
6:10 am - 12:14 pmSAT-TYS
5h 04m1 stop
5:12 am - 9:09 amTYS-SAT
4h 57m1 stop
$235American Airlines
Find Deal
Wed, Jun 12 - Wed, Jun 19
5:40 am - 1:25 pmSAT-TYS
6h 45m1 stop
7:55 pm - 11:59 pmTYS-SAT
5h 04m1 stop
$238Delta
Find Deal
Sun, Sep 8 - Mon, Sep 16
9:40 pm - 10:44 pmSAT-TYS
24h 04m2 stops
9:00 am - 12:46 amTYS-SAT
16h 46m1 stop
Wed, Jun 12 - Wed, Jun 19
6:45 am - 10:44 pmSAT-TYS
14h 59m2 stops
6:30 am - 9:23 pmTYS-SAT
15h 53m1 stop
Thu, Jun 20 - Sun, Jun 23
5:15 am - 1:38 pmSAT-TYS
7h 23m2 stops
7:00 am - 1:14 pmTYS-SAT
7h 14m1 stop
$408United Airlines
Find Deal
Sun, Sep 8 - Mon, Sep 16
5:50 pm - 11:30 pmSAT-TYS
4h 40m1 stop
7:05 pm - 8:24 amTYS-SAT
14h 19m2 stops
$410United Airlines
Find Deal
Thu, Sep 5 - Mon, Sep 16

Flights from San Antonio to Knoxville - Travel Insights & Trends

Get data-powered insights and trends into flights from San Antonio to Knoxville 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 San Antonio to Knoxville?

The average price of all flights from San Antonio to Knoxville clicked on KAYAK for each day over the last 12 months.
If you are looking for a flight deal from San Antonio to Knoxville, look for departures on Tuesdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Knoxville, Saturday is the cheapest day to fly and Sunday is the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from San Antonio to Knoxville, 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 San Antonio to Knoxville is August, where tickets cost $378 on average. On the other hand, the most expensive months are May and March, where the average cost of tickets is $603 and $594 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from San Antonio to Knoxville, 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 San Antonio to Knoxville, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 16 days before departure.

Good to know

Low season

January

High season

September

Cheapest flight

$153
Best time to beat the crowds with an average 18% drop in price.
Most popular time to fly and prices are also 10% lower on average.
Flight from San Antonio to Knoxville

When to book flights from San Antonio to Knoxville

Are your dates flexible? Find out the best times to travel from San Antonio to Knoxville 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 San Antonio to Knoxville

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

    In the last 3 days, the lowest price for a flight from San Antonio to Knoxville was $153 for a round-trip ticket.

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

    No, a passport isn't needed to fly from San Antonio to Knoxville. However, local authorities might ask for an official ID.

  • Which airports will I be using when flying from San Antonio to Knoxville?

    San Antonio and Knoxville are both served by 1 main airport. You will leave San Antonio from San Antonio and will be arriving at Knoxville McGhee Tyson.

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

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

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

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

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

    The two airlines most popular with KAYAK users for flights from San Antonio to Knoxville 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 $527 and an overall rating of 7.4.

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

    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 San Antonio to Knoxville.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Knoxville from San Antonio 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 San Antonio to Knoxville?

    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 Knoxville with an airline and back to San Antonio with another airline. Booking your flights between San Antonio and TYS 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 San Antonio to Knoxville?

    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 Knoxville from San Antonio 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 San Antonio to Knoxville

 
See real verified KAYAK customer reviews for airlines flying from San Antonio to Knoxville. 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 San Antonio to Knoxville? 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 11104 reviews
8.6crew
8.2boarding
7.9comfort
8.0entertainment
7.5food
Airline reviews

Everything was great except for the seat. The backrest would not stay in the upright position.

8.0 ExcellentEddie, Apr 2024SEA - PHX
Read more about Delta reviews

Everything was great except for the seat. The backrest would not stay in the upright position.

I usually have a positive experience with Delta. Complimentary upgrades are always nice!

Flight delayed about 2 hrs so it made it a VERY late night

It was a crowded flight. They did the best they could.

Service was good for such a short flight. Small plane but smooth flight.

Worst flight in my life. Only was scheduled for a 45 min flight to get our connection flight. It was late by 40 minutes and we missed our connection. Delta was totally useless trying to help and unable to get my family on the next flight because they overbooked it Thus had to get a hotel at my expense and lost a day at Disney as a result. Cost me about a $1000 if you add 2 hotels meals shuttles etc to get thru the day Awful customer service by Delta in Detroit totally useless people

The experience was good and the flight departed on time and landed early

The flight was delayed but we got to our final destination.

Boarding was great. The flight landed early. It took the crew over an hour and a half to bring out drinks. I paid to upgrade my seat to Comfort+ only to be near a crying/screaming baby who was seldom quiet. Noise-cancelling earbuds didn’t even help. Waste of money to upgrade.

Seats in first class on the E175 recline too far back. I was in 2A, and the man in 1A fully reclined almost the entire flight. It took 6-7 inches of space away from me and made it very difficult to work on my laptop.

The delays (5 hrs) were a comedy of errors, and the multiple safety issues encountered were very concerning.

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

I liked everything about the flight. The service was excellent!

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

Delayed a day due to snow storm. Was upgraded. That kind of made up for significant delays from FLL to COS with no compensation or acknowledgement.

The leg space between me and the seat in front of me was excellent.

Over two hours wait to get wheelchair assistance from arrival to the departure gate for LA was unreasonable even though there appreared to be heavy demand.

Crew is way too many times on the intercom re explaining the same thing

The seats were uncomfortable. The flight was almost 9 hours and they didn’t serve lunch

The crew was nice but the people going to Orange County are so entitled. Everyone thinks everything is suppose for be perfect for them. Tough crowd.

I arrived to the airport 2 hours before my American Airlines flight was scheduled to take off. I have TSA pre-check. The airport was crazy packed when I arrived. After momentarily standing in the pre-check line, the TSA agent said that I am not pre-check. Of course I said that I am because I entered my KTN number on all my traveling sites and programs. I had to get out of line and go back to the AA counter to discover that American Airlines did not add my KTN to my boarding pass. I had to call TSA to find out my number, then have AA enter it onto my boarding pass. The emblem would not load onto my boarding pass. By this time, I decided to use my Clear in order to get through TSA but the line was ridiculous long. By the time I made through TSA, I missed my 11:08am flight and was re-booked for the 5:30pm. This is after the AA employee told me I should have gotten to the airport early. AA use to be a dependable airline not I use them only if I have too.

Flight from SBP to DFW 1. They rerouted us through PHX 2. Delayed flight out of SBP for 3 hrs so we missed our connection Downgrade on rerouted flight. Back of the plane, center seats, didn't sit together 4. Return flight out of DFW same exact thing. Delayed, missed connection, Downgrade + they lost our luggage! A complete mess.

Do not eat the bagel! Otherwise, good albeit late, breakfast in first. Boarding downgrade only because flight was delayed due to plane change due to undisclosed problem with original aircraft. I did not use entertainment.

Was as expected. Good leg room on planes - much appreciated.

Fight crew was not very attentive and the bastions were gross!

I don’t think the flight attendants are happy. They do not seem to be friendly or welcoming.

Gossipy flight attendants talked the whole flight about bar hopping and dating.

Didn't like the 6 hour delay as it caused me to miss all of my connections. Still, I did get home safely 14 hours late but exhausted.

Same basket of unhealthy prepackaged snacks (junk food) which was depleted by the time it got to my row!!

Flight delayed, boarding time kept changing, not good. Nee firm information given each time.

San Antonio - Knoxville Flights

Departure:

San Antonio (SAT)United States

Destination:

Knoxville (TYS)United States

Return flight deals:

Knoxville - San Antonio

Cabin classes: