AUS - TYS

$42 Find Cheap Flights from Austin to Knoxville - Compare and Save

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Everything you should know

Cheapest round-trip
$79
Typical prices: $188-$365
Allegiant Air
Tue 12/11Fri 12/14
AUS - TYS • Non-stop
Cheapest one-way
$42
Typical prices: $126-$306
Allegiant Air
Tue 12/11
AUS - TYS • Non-stop
Nonstop flights
You can fly direct with Allegiant Air, Southwest and others. Average duration is 2h 18m.
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 26 weeks in advance save around 51% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 26% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $196 (round-trip)
Shortest trip • 4h 45m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Austin to Knoxville (AUS-TYS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Austin to Knoxville

Fri, Dec 11 - Mon, Dec 14
Allegiant Air Logo
10:29 am - 1:43 pmAUS  Austin Bergstrom-TYS Knoxville McGhee Tyson
2h 14mnonstop
Allegiant Air Logo
8:00 am - 9:39 amTYS  Knoxville McGhee Tyson-AUS Austin Bergstrom
2h 39mnonstop
$79Allegiant Air
Fri, Nov 13 - Mon, Nov 16
Allegiant Air Logo
9:18 am - 12:39 pmAUS  Austin Bergstrom-TYS Knoxville McGhee Tyson
2h 21mnonstop
Allegiant Air Logo
8:30 am - 9:58 amTYS  Knoxville McGhee Tyson-AUS Austin Bergstrom
2h 28mnonstop
$98Allegiant Air
Mon, Nov 9 - Mon, Nov 16
Multiple Airlines Logo
10:48 am - 2:09 pmAUS  Austin Bergstrom-TYS Knoxville McGhee Tyson
2h 21mnonstop
Multiple Airlines Logo
2:21 pm - 11:39 amTYS  Knoxville McGhee Tyson-AUS Austin Bergstrom
46h 18m2 stops Philadelphia Atlanta Hartsfield-Jackson
$212Multiple Airlines
Sat, Oct 24 - Tue, Oct 27
Delta Logo
3:00 pm - 10:22 pmAUS  Austin Bergstrom-TYS Knoxville McGhee Tyson
6h 22m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:23 pm - 11:24 pmTYS  Knoxville McGhee Tyson-AUS Austin Bergstrom
6h 01m1 stop Atlanta Hartsfield-Jackson
$241Delta
Tue, Oct 20 - Tue, Oct 27
Delta Logo
12:18 pm - 6:47 pmAUS  Austin Bergstrom-TYS Knoxville McGhee Tyson
5h 29m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:40 am - 9:47 amTYS  Knoxville McGhee Tyson-AUS Austin Bergstrom
5h 07m1 stop Atlanta Hartsfield-Jackson
$241Delta
Fri, Oct 30 - Mon, Nov 2
Multiple Airlines Logo
12:20 pm - 10:05 amAUS  Austin Bergstrom-TYS Knoxville McGhee Tyson
20h 45m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale
Multiple Airlines Logo
7:20 am - 8:48 amTYS  Knoxville McGhee Tyson-AUS Austin Bergstrom
2h 28mnonstop
$243Multiple Airlines
Sat, Oct 17 - Fri, Oct 23
American Airlines Logo
3:49 pm - 11:55 pmAUS  Austin Bergstrom-TYS Knoxville McGhee Tyson
7h 06m1 stop Charlotte Douglas
American Airlines Logo
8:02 pm - 11:59 pmTYS  Knoxville McGhee Tyson-AUS Austin Bergstrom
4h 57m1 stop Dallas/Fort Worth
$284American Airlines
Sat, Oct 3 - Tue, Oct 6
American Airlines Logo
6:15 am - 1:33 pmAUS  Austin Bergstrom-TYS Knoxville McGhee Tyson
6h 18m1 stop Charlotte Douglas
American Airlines Logo
5:26 pm - 10:43 pmTYS  Knoxville McGhee Tyson-AUS Austin Bergstrom
6h 17m1 stop Dallas/Fort Worth
$289American Airlines
Sat, Oct 3 - Tue, Oct 6
United Airlines Logo
12:15 pm - 6:05 pmAUS  Austin Bergstrom-TYS Knoxville McGhee Tyson
4h 50m1 stop Houston George Bush Intcntl
United Airlines Logo
10:42 am - 5:39 pmTYS  Knoxville McGhee Tyson-AUS Austin Bergstrom
7h 57m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$294United Airlines
Sat, Oct 24 - Wed, Oct 28
United Airlines Logo
9:53 am - 9:01 pmAUS  Austin Bergstrom-TYS Knoxville McGhee Tyson
10h 08m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
10:45 am - 3:58 pmTYS  Knoxville McGhee Tyson-AUS Austin Bergstrom
6h 13m1 stop Chicago O'Hare Intl
$326United Airlines
Booking Insights

Price, demand and travel trends for Austin to Knoxville flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Austin to Knoxville with more confidence.

How much is a round-trip flight from Austin to Knoxville?

Round-trip flights from Austin to Knoxville start at $79. Prices are below average for this route right now, with typical round-trip fares ranging from $188 to $365. The lowest price found in the past 5 days was $79 on Allegiant Air.

What's the cheapest day of the week to fly from Austin to Knoxville?

Friday is the cheapest day of the week to fly from Austin to Knoxville, it is 15% cheaper than the average day. Tuesday is the most expensive day with flight prices 29% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Austin to Knoxville?

  • July is the cheapest month to fly from Austin to Knoxville at $212 round-trip.
  • April ($367) and March ($349) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 73% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Austin to Knoxville the cheapest?

Flights from Austin to Knoxville are cheapest 26 weeks before departure. Booking in this window typically costs about 51% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Austin to Knoxville flights

Low season

March

Cheapest flight

$42
Best time to beat the crowds but there is an average 23% increase in price.
Most popular time to fly and prices are also 11% lower on average.
Flight from Austin to Knoxville

When to book flights from Austin to Knoxville

Are your dates flexible? Find out the best times to travel from Austin to Knoxville based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Austin to Knoxville flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Where can I get car rentals after landing at McGhee Tyson Airport in Knoxville?

    Car rentals offer the most convenient form of transport for travelers arriving at McGhee Tyson Airport in Knoxville who would like to connect to various destinations in the city. Enterprise car rental has an onsite office in the airport, which is located in the main terminal near the baggage claim.

  • Which kid-friendly amenities are available on flights from Austin to Knoxville?

    The kid-friendly entertainment offered by American Airlines is one of the reasons you should consider using the airline for your flight from Austin to Knoxville when traveling with your family and children. If you use Allegiant Airlines to fly from Austin to Knoxville, your kids are guaranteed to enjoy the company of their parents because the airline does not allow unaccompanied minors to travel on their own.

  • Which other cities does McGhee Tyson Airport serve apart from Knoxville?

    Located in Alcoa, 12 miles from Knoxville, McGhee Tyson Airport serves other cities such as Oak Ridge and Maryville. Travelers from Austin to Knoxville can, therefore, visit any of these cities after landing at McGhee Tyson Airport.

  • How can one move to Knoxville city center from McGhee Tyson Airport?

    Airport shuttles are the most convenient means of transport from McGhee Tyson Airport to Knoxville city center. Additionally, travelers can use rental cars from Enterprise and Budget to connect from the airport to the city center.

  • Which airlines offer extra legroom and free seat selection on Austin to Knoxville flights?

    Among airlines operating Austin to Knoxville flights:

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

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

  • What airlines are available from Austin to Knoxville?

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

    • Allegiant Air
    • Southwest
    • Delta
    • American Airlines

  • Which airports can I use when flying from Austin to Knoxville?

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

  • Which airlines include bags at no extra cost on Austin to Knoxville flights?

    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
    • American Airlines: a cabin bag in Economy Class class

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

  • What cabin classes can I book on flights from Austin to Knoxville?

    Two cabin classes are available on flights from Austin to Knoxville:

    • Economy Class
    • First Class

  • How much can I save by taking a layover when flying from Austin to Knoxville?

    On this route, nonstop and layover fares are close on average, with nonstop at $195 round-trip and layover options via Fort Lauderdale (FLL) at $196.

  • What is the standard checked-bag allowance on flights from Austin to Knoxville?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $38–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Austin to Knoxville?

    The Airbus A320-100/200 family is used most often on this route, operated mainly by Allegiant Air. Other aircraft seen on the route include Boeing 737-800 Passenger/BBJ2 (winglets) variants.

  • Which airports do connecting flights from Austin to Knoxville pass through?

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

    • Dallas/Fort Worth (DFW) - 47% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 28% of one-stop connections
    • Charlotte Douglas (CLT) - 8% of one-stop connections
    • Dallas Love Field (DAL) - 6% of one-stop connections

    Dallas/Fort Worth (DFW) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Austin to Knoxville?

    Yes. Being flexible with your travel dates can save you up to 34% on the Austin to Knoxville route. Friday is the cheapest departure day at $243 round-trip on average, while Tuesday is the most expensive at $368, a difference of $125. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What are the earliest and latest flights from Austin to Knoxville?

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

    • Earliest: departs at 9:18 am and lands at 11:36 am
    • Latest: departs at 8:14 pm and lands at 10:32 pm.

    The flight takes about 2h 18m.

  • How expensive are last-minute Austin to Knoxville flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 29% above the route average of $285. Book 26 weeks before departure for the lowest fares.

  • How long is a flight from Austin to Knoxville?

    A nonstop flight from Austin to Knoxville takes 2h 18m, covering 881 miles.

  • Do I need a passport to fly from Austin to Knoxville?

    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.

  • How are flight prices from Austin to Knoxville looking right now?

    One-way fares from Austin to Knoxville are currently lower than usual. Average one-way flight prices are about $113, which is 41% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Austin to Knoxville?

    Flying via Dallas Love Field (DAL) gives the shortest average 1-stop total travel time at 4h 45m, compared with 4h 47m via Dallas/Fort Worth (DFW) and 4h 55m via Houston George Bush Intcntl (IAH).

  • What is the time difference between Austin and Knoxville?

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

  • What car rental options are available at Knoxville McGhee Tyson Airport (TYS)?

    Knoxville McGhee Tyson Airport (TYS) hosts 5 major car rental companies, with daily rates starting from around $33 for economy cars. Top options include:
    • Budget
    • Alamo
    • Thrifty
    • Enterprise Rent-A-Car
    • Payless

  • How much should I expect to pay for a Austin to Knoxville flight?

    Round-trip flights from Austin to Knoxville range from $188 to $365, with an average of $285 over the past 12 months. Anything below $188 counts as a good deal.

  • Which airlines offer Wi-Fi on Austin to Knoxville flights?

    Two airlines offer in-flight Wi-Fi on Austin to Knoxville flights:

    • • Delta
    • • American Airlines

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Austin to Knoxville flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Friday departure instead of Tuesday. On this route, Friday flights average $243 - about $125 less than Tuesday (34% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 26 weeks before you fly. On this route, that window historically saves about 51% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Austin to Knoxville trip for July. Fares historically average $212 round-trip in that month - typically $155 less than the most expensive month, which is April (based on the last 12 months).
  • You can catch up conveniently with the earliest flight from Austin to Knoxville, if you spend the night at one of the hotels near the airport. Hampton Inn & Suites Austin-Airport, located 1.9 miles from the airport, is an ideal facility to keep you near the airport for convenient traveling.
  • The availability of various means of transport to AUS makes it the departure airport of choice among travelers leaving Austin to Knoxville despite other airports like The South Terminal at Austin- Bergstrom offering similar flights. You can use a taxi, rental car, bus, or airport shuttle to connect from the city center or downtown to connect to their airport before catching up with your flight to Knoxville.
  • Pet lovers have nothing to worry about when planning for their flights from Austin to Knoxville. The pet-friendly policy at AUS enables them to remain in the company of their favorite pet while traveling to Knoxville. According to this policy, ticketed passengers can have their registered pets with them. However, the passengers must ensure they remain in their carriers at all times.
  • Having the largest number of flights per day compared to the other airlines, American Airlines offers the most reliable flight services for travelers from AUS to McGhee Tyson Airport (TYS) in Knoxville. However, travelers can enjoy greater discounts and other exciting deals if they use Allegiant Airlines when flying from Austin to Knoxville.
  • Travelers with reduced mobility will enjoy curb-to-aircraft wheelchair services at AUS when seeking to board their flight to Knoxville. All airlines serving flights from Austin to Knoxville, including American Airlines, Allegiant Airlines, Frontier, and United Airlines, all have their staff available to offer assistance through the airport for those with mobility or visual impairment.

Prefer to fly direct from Austin to Knoxville?

 
Find which airlines fly direct from Austin Bergstrom Airport to Knoxville McGhee Tyson Airport, which days they fly and book direct flights.

Direct departures

Austin Bergstrom to Knoxville McGhee Tyson

Monday

Allegiant Air

Allegiant Air

Wednesday

Allegiant Air

Allegiant Air

Thursday

Allegiant Air

Allegiant Air

Friday

Allegiant Air

Allegiant Air

Saturday

Southwest

Southwest

Sunday

Allegiant Air,Southwest

Allegiant Air,Southwest

See more direct flights

Direct returns

Knoxville McGhee Tyson to Austin Bergstrom

Monday

Allegiant Air

Allegiant Air

Wednesday

Allegiant Air

Allegiant Air

Thursday

Allegiant Air

Allegiant Air

Friday

Allegiant Air,Southwest

Allegiant Air,Southwest

Saturday

Southwest

Southwest

Sunday

Allegiant Air

Allegiant Air

See more direct flights

More options for your flight from Austin to Knoxville

Complete your trip to Knoxville with a hotel stay or car rental