$75 Find Cheap Flights from Knoxville to Austin - Compare and Save

These are the earliest and latest flight times available from Knoxville to Austin:

• Earliest: departs at 7:00 am and lands at 9:36 am
• Latest: departs at 5:47 pm and lands at 8:23 pm.

The flight takes about 2h 36m.

Only Economy Class is available on flights from Knoxville to Austin.

A nonstop flight from Knoxville to Austin takes 2h 36m, covering 881 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Knoxville to Austin range from $192 to $427, with an average of $312 over the past 12 months. Anything below $192 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 59% above the $312 route average. Book 26 weeks before departure for the lowest fares.

On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $166 round-trip, compared to $357 via a layover through Dallas Love Field (DAL).

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Airbus A320-100/200 family is used most often on this route, operated mainly by Allegiant Air and United Airlines. Other aircraft seen on the route include Boeing 737-800 variants.

Delta is the only airline on the Knoxville to Austin route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from Knoxville to Austin are currently lower than usual. Average one-way flight prices are about $126, which is 30% below the typical average for this route.

Austin Bergstrom Airport (AUS) hosts 5 major car rental companies, with daily rates averaging $57 for economy cars. Top options include:

• Europcar
• Hertz
• Fox
• Thrifty
• Dollar

Flights from Knoxville to Austin usually depart from Knoxville McGhee Tyson (TYS) and arrive at Austin Bergstrom (AUS).

One-stop flights from Knoxville to Austin most commonly connect through:

• Dallas/Fort Worth (DFW) - 36% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 25% of one-stop connections
• Nashville Intl (BNA) - 14% of one-stop connections
• Houston George Bush Intcntl (IAH) - 13% of one-stop connections

Yes. Flexible dates can save you up to 34% on flights from Knoxville to Austin. Friday is the cheapest departure day at $276 round-trip on average, while Sunday is the most expensive at $417, a difference of $141.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

2 airlines operate flights between Knoxville and Austin. The airlines offering nonstop flights on this route include:

• Allegiant Air
• Southwest

Flying via Dallas Love Field (DAL) gives the shortest average 1-stop total travel time at 4h 25m, compared with 4h 34m via Nashville Intl (BNA) and 4h 48m via Atlanta Hartsfield-Jackson (ATL).

Austin is 1 hour behind Knoxville (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Austin are Sixth Street, University of Texas at Austin and ACL Live at The Moody Theater. These are among the most viewed places in Austin on KAYAK.

Among airlines operating Knoxville to Austin flights:

• Delta: offers free seat selection
• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Delta: a cabin bag in Economy Class class
• Southwest: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Main Cabin seats are standard economy seats on American Airlines flights from Knoxville to Austin that come with your ticket purchase and include basic amenities like a reclining seat, overhead bin storage, and in-flight entertainment. Main Cabin Extra seats are economy seats with extra legroom and priority boarding. Preferred seats are standard Main Cabin seats that are located in more desirable areas of the plane.

Capital Metro operates a bus from Austin Airport's Lower Level to Downtown Austin. This is an affordable option and can take around 30 minutes depending on traffic and route. Services like Uber and Lyft are available to transport passengers from the airport to the city center. This may be a more convenient option, but can be more expensive than the bus. Several car rental companies operate at AUS, and travelers can rent a car to drive to the city center at their own pace.

The luggage allowance on United Airlines flights from Knoxville to Austin can vary depending on the ticket fare. The maximum exterior dimension of standard checked baggage is 62 inches and the maximum weight can range from 50 lbs to 70 lbs depending on the fare class. Additional checked baggage fees apply for any bags that exceed the size or weight limit, or for any additional bags beyond the allowed number.

Passengers can stream movies, TV shows, and other entertainment options directly to their personal devices using Delta's onboard Wi-Fi network on flights from Knoxville to Austin. Economy passengers can also enjoy complimentary snacks and non-alcoholic beverages during their flight, and the airline offers a pay-per-view entertainment option if you wish to enhance their in-flight entertainment experience.