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

Find The Best Day To Fly from Knoxville to San Antonio

Amazing United TYS to SAT Flight Deals

The cheapest flights to San Antonio Intl. found within the past 7 days were $249 round trip and $125 one way. Prices and availability subject to change. Additional terms may apply.

Thu, Sep 4 - Mon, Sep 8
TYS
Knoxville
SAT
San Antonio
$249 Roundtrip, found 3 days ago
$249
Roundtrip
found 3 days ago
Select United flight, departing Thu, Sep 4 from Knoxville to San Antonio, returning Mon, Sep 8, priced at $249 found 3 days ago
Thu, Sep 4 - Mon, Sep 8
TYS
Knoxville
SAT
San Antonio
$268 Roundtrip, found 3 days ago
$268
Roundtrip
found 3 days ago
Select United flight, departing Thu, Sep 4 from Knoxville to San Antonio, returning Mon, Sep 8, priced at $268 found 3 days ago
Thu, Sep 4 - Mon, Sep 8
TYS
Knoxville
SAT
San Antonio
$272 Roundtrip, found 3 days ago
$272
Roundtrip
found 3 days ago
Select United flight, departing Thu, Sep 4 from Knoxville to San Antonio, returning Mon, Sep 8, priced at $272 found 3 days ago
Thu, Sep 4 - Mon, Sep 8
TYS
Knoxville
SAT
San Antonio
$289 Roundtrip, found 3 days ago
$289
Roundtrip
found 3 days ago
Select United flight, departing Thu, Sep 4 from Knoxville to San Antonio, returning Mon, Sep 8, priced at $289 found 3 days ago
Thu, Sep 4 - Mon, Sep 8
TYS
Knoxville
SAT
San Antonio
$293 Roundtrip, found 3 days ago
$293
Roundtrip
found 3 days ago
Select United flight, departing Thu, Sep 4 from Knoxville to San Antonio, returning Mon, Sep 8, priced at $293 found 3 days ago
Thu, Sep 4 - Mon, Sep 8
TYS
Knoxville
SAT
San Antonio
$299 Roundtrip, found 3 days ago
$299
Roundtrip
found 3 days ago
Select United flight, departing Thu, Sep 4 from Knoxville to San Antonio, returning Mon, Sep 8, priced at $299 found 3 days ago

Frequently asked questions

Can I catch a flight from Knoxville Airport to SAT right now?
For info on any present SAT travel advice and quarantine requirements, go to our Covid-19 Travel Advisor. Look before you book your flight, so you don't get caught up en route.
What terminal is United Airlines at Knoxville Airport?
As soon as you get your boarding pass for your United Airlines flight from Knoxville Airport to San Antonio Intl. Airport (SAT), check if the terminal details are printed on it. If not, you might like to get in touch with your airline. They should be able to tell you where you'll be flying in and out of.
Are there United Airlines non-stop flights from TYS to SAT?
United Airlines doesn't operate direct flights between McGhee Tyson Airport (TYS) and San Antonio Intl. Airport (SAT), so get ready to make a stopover. If you've got time between flights, check out the airport shops while you wait for your connection.
How long is a United Airlines flight from TYS to SAT?
Just 3 hours and 56 minutes is approximately how long you can expect to be up in the air for if you're traveling with United Airlines from TYS to SAT. That's just enough time for you to finish several chapters of your book or squeeze in a nap.
How many direct and indirect flights does United Airlines fly from TYS to SAT?
United Airlines has approximately 3 flights per day from TYS to SAT.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to San Antonio Airport, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from Knoxville TYS to San Antonio SAT 

To find the best deals on flights to Knoxville from San Antonio with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Knoxville TYS to San Antonio SAT with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $249 to $299, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Knoxville TYS to San Antonio SAT 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Knoxville to San Antonio costs from $125. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to San Antonio SAT from  Knoxville TYS with United 

To find a cheap United flight from Knoxville TYS to San Antonio SAT, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Knoxville TYS to San Antonio SAT 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as September, or if you book a flight with a stopover. 

 

Find nonstop flights from Knoxville TYS to San Antonio SAT with United 

If you’re keen to be on San Antonio soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Knoxville TYS to San Antonio SAT 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to San Antonio SAT from  Knoxville TYS with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.