Find Cheap Flights from Knoxville to Austin (TYS - AUS)

Flights overview

Useful information for finding cheap flights from Knoxville to Austin and booking your next trip

Cheapest round-trip flights	$106	Allegiant Nonstop 3 hr Fri, Jun 5 — Mon, Jun 8	The cheapest round-trip flight from Knoxville to Austin is currently $106
Cheapest one-way flight	$76	Allegiant Nonstop 3 hr Fri, Jul 31	The cheapest one-way flight from Knoxville to Austin is currently $76
Last-minute weekend getaway	$445	Frontier 1 stop 25 hr Fri, May 8 — Sun, May 10	The cheapest last-minute weekend getaway from Knoxville to Austin is currently $445
Cheapest business class flights	$504	Frontier 1 stop 19 hr Fri, Jun 5 — Sun, Jun 7	The cheapest business class round-trip flight from Knoxville to Austin is currently $504

Fastest flight	2 hr 18 min	The fastest nonstop flight from Knoxville to Austin takes 2 hr 18 min
Nonstop flights	None	There are no direct flights on this route.

When is the cheapest time to fly?

The cheapest month to fly from Knoxville to Austin is typically December. The most expensive month to fly is typically March.

December Cheapest	Typical prices: $145–440
March Most expensive	Typical prices: $275–510

Popular airlines from Knoxville to Austin

American

from $311

Typical price: $250–560

604 weekly connecting flights

TYS - AUS Every day
Southwest

from $321

Typical price: $305–560

470 weekly connecting flights

TYS - AUS Every day
Delta

from $329

Typical price: $270–630

347 weekly connecting flights

TYS - AUS Every day
United

from $339

Typical price: $305–630

212 weekly connecting flights

TYS - AUS Every day
Frontier

from $205

Typical price: $210–590

3 weekly connecting flights

TYS - AUS Every Fri, Sun

Popular airports near Knoxville

McGhee Tyson Airport (TYS)

Knoxville United States 21 min 11 mi
Nashville International Airport (BNA)

Nashville United States 2 hr 38 min 154 mi
Hartsfield-Jackson Atlanta International Airport (ATL)

Atlanta United States 3 hr 23 min 163 mi
Chattanooga Metropolitan Airport (CHA)

Chattanooga United States 1 hr 39 min 96 mi

Popular airports near Austin

Austin-Bergstrom International Airport (AUS)

Austin United States 24 min 6 mi
Dallas Fort Worth International Airport (DFW)

Dallas United States 3 hr 14 min 186 mi
George Bush Intercontinental Airport (IAH)

Houston United States 2 hr 44 min 144 mi
San Antonio International Airport (SAT)

San Antonio United States 1 hr 16 min 66 mi

Frequently asked questions about flying from Knoxville to Austin

The cheapest flights from Knoxville to Austin are usually in December. Typical ticket prices in December range from $145 to $440.

The cheapest round-trip flight from Knoxville to Austin recently found on Google Flights was with Allegiant from $106. The cheapest one-way flight was with Allegiant from $76.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest American flight from Knoxville to Austin is $311, flying from Jun 4 to Jun 8.
The cheapest Southwest flight from Knoxville to Austin is $321, flying from Jun 4 to Jun 8.
The cheapest Delta flight from Knoxville to Austin is $329, flying from Jun 4 to Jun 8.
The cheapest United flight from Knoxville to Austin is $339, flying from Jul 30 to Aug 3.
The cheapest Frontier flight from Knoxville to Austin is $205, flying from May 29 to May 31.

The cheapest round-trip flight from Knoxville to Austin starts at $106 from Fri, Jun 5 to Mon, Jun 8. The cheapest one-way flight starts at $76 and departs on Fri, Jul 31.

2 hr 18 min is the shortest flight time from Knoxville to Austin.

Austin has mild winters and very hot, humid summers that make some outdoor activities inadvisable. Most visitors arrive Mar–Sep. Spring sees crowds for the South by Southwest (SXSW) music and film festival (Mar) and the blooming of the bluebonnet (mid-Mar–mid Apr), which is the Texas state flower. Hotels are especially crowded during college graduation weekends (May). Fall's popular events are the Austin City Limits music festival (Sep), college football season (Sep–Nov) and the Austin Film Festival (Oct).

It's easy to use Google Flights to find the cheapest days to fly from Knoxville to Austin.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Knoxville to Austin really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Knoxville to Austin.

In terms of flights, American is the most popular. American offers 604 connecting flights per week. American flies from McGhee Tyson Airport (TYS) to Austin-Bergstrom International Airport (AUS) .

Other popular airlines flying from Knoxville to Austin are:

Southwest offers 470 connecting flights per week. Southwest flies from McGhee Tyson Airport (TYS) to Austin-Bergstrom International Airport (AUS) .
Delta offers 347 connecting flights per week. Delta flies from McGhee Tyson Airport (TYS) to Austin-Bergstrom International Airport (AUS) .
United offers 212 connecting flights per week. United flies from McGhee Tyson Airport (TYS) to Austin-Bergstrom International Airport (AUS) .
Frontier offers 3 connecting flights per week. Frontier flies from McGhee Tyson Airport (TYS) to Austin-Bergstrom International Airport (AUS) .

The number of connecting flights refers to distinct flights with at least one stop between Knoxville and Austin.

The cheapest round-trip flight from Knoxville to Austin recently found on Google Flights was with Allegiant from $106. The cheapest one-way flight was with Allegiant from $76.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest American flight from Knoxville to Austin is $311, flying from Jun 4 to Jun 8.
The cheapest Southwest flight from Knoxville to Austin is $321, flying from Jun 4 to Jun 8.
The cheapest Delta flight from Knoxville to Austin is $329, flying from Jun 4 to Jun 8.
The cheapest United flight from Knoxville to Austin is $339, flying from Jul 30 to Aug 3.
The cheapest Frontier flight from Knoxville to Austin is $205, flying from May 29 to May 31.

No airline flies direct from Knoxville to Austin.

There are 604 American connecting flights from Knoxville to Austin per week. Flights are available every day.
There are 470 Southwest connecting flights from Knoxville to Austin per week. Flights are available every day.
There are 347 Delta connecting flights from Knoxville to Austin per week. Flights are available every day.
There are 212 United connecting flights from Knoxville to Austin per week. Flights are available every day.
There are 3 Frontier connecting flights from Knoxville to Austin per week. Flights are available on Friday and Sunday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Knoxville and Austin at price $445 is offered by Frontier from Fri, May 8 to Sun, May 10.

No airline flies direct from Knoxville to Austin.

There are 604 American connecting flights from Knoxville to Austin per week. Flights are available every day.
There are 470 Southwest connecting flights from Knoxville to Austin per week. Flights are available every day.
There are 347 Delta connecting flights from Knoxville to Austin per week. Flights are available every day.
There are 212 United connecting flights from Knoxville to Austin per week. Flights are available every day.
There are 3 Frontier connecting flights from Knoxville to Austin per week. Flights are available on Friday and Sunday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are no direct flights from Knoxville to Austin.

The cheapest direct (nonstop) round-trip flights between Knoxville and Austin start at $106 from Fri, Jun 5 to Mon, Jun 8 with Allegiant.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Knoxville to Austin, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Knoxville and Austin start at $504 from Fri, Jun 5 to Sun, Jun 7 with Frontier.

The cheapest economy class round-trip flights between Knoxville and Austin start at $106 from Fri, Jun 5 to Mon, Jun 8.

To book business class trips from Knoxville to Austin, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Knoxville and Austin starts at $445 from Fri, May 8 to Sun, May 10 with Frontier.

The cheapest last-minute deal between Knoxville and Austin at price $445 is offered by Frontier from Fri, May 8 to Sun, May 10.

To find last-minute flight deals from Knoxville to Austin, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.