San Antonio to Knoxville flights

Find your dates. Discover your next journey.

Fare seen

€196Seen on 18 Sep 2026

Last checked

11 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €103

Lowest observed

31 Oct 2026

Frontier Airlines · 1 stop · One way

Cheapest observed day · Last checked: 18 Sep 2026

Departure

20:20

When to fly

Explore dates

More dates worth a look

Find the dates that work for you

The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

Prices are for observed departure and return date pairs. No data does not mean no flights.

Airlines seen: Allegiant Air, American Airlines, Breeze Airways, Frontier Airlines, JetBlue, United Airlines
Typical journey time: 22h 02m

Short answer

We have seen Allegiant Air fares from San Antonio to Knoxville. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare. Fare seen: €196 on 18 Sep 2026.

About this route

Explore the fares we observed from San Antonio to Knoxville. Prices move often, so pick your dates to see the latest options.

Route distance: 1,543 km
Typical journey time: 22h 02m
Airlines seen: Allegiant Air, American Airlines, Breeze Airways, Frontier Airlines, JetBlue, United Airlines
Seen on fares with a connection: Frontier Airlines, Breeze Airways, United Airlines, Allegiant Air

Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.

A clearer picture of your fare

Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

Compare the same trip

We show like-for-like journeys so the comparison is fair.

Confirm with the provider

The price is final on the provider's site, where your booking is completed.

How our prices work

Airport to city: straight-line distance

San Antonio International Airport (SAT) → San Antonio, city gazetteer reference point (29.4241, -98.4936): ≈ 12 km.
McGhee Tyson Airport (TYS) → Knoxville, city gazetteer reference point (35.9606, -83.9207): ≈ 18 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Frequently asked

How much was a flight from San Antonio to Knoxville?

A fare of €196 was seen on 18 Sep 2026. Fares change, so search your dates for the current price.

Are there direct flights from San Antonio to Knoxville?

Our data holds no non-stop flight from San Antonio to Knoxville. The fares on this page include at least one stop.

Which airlines fly from San Antonio to Knoxville?

These are the carriers we have seen on the route: Allegiant Air, American Airlines, Breeze Airways, Frontier Airlines, JetBlue, United Airlines.

How long does the flight from San Antonio to Knoxville take?

The average journey time across the 78 fares we observed is 24h 04m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How many of the observed San Antonio to Knoxville fares were non-stop?

None of the 78 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide