AUS - TYS

$47 Find Cheap Flights from Austin to Knoxville - Compare and Save

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Everything you should know

Cheapest round-trip
$91
Typical prices: $184-$384
Allegiant Air
Fri 12/7Fri 12/14
AUS - TYS • Non-stop
Cheapest one-way
$47
Typical prices: $127-$321
Allegiant Air
Fri 12/7
AUS - TYS • Non-stop
Nonstop flights
You can fly direct with Allegiant Air and Southwest. Average duration is 2h 15m
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 56% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 32% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $218 (round-trip)
Shortest trip • 4h 44m (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

Mon, Dec 7 - 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
$91Allegiant Air
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
$96Allegiant Air
Mon, Dec 7 - Mon, Dec 14
Multiple Airlines Logo
10:29 am - 1:43 pmAUS  Austin Bergstrom-TYS Knoxville McGhee Tyson
2h 14mnonstop
Multiple Airlines Logo
1:58 pm - 10:14 amTYS  Knoxville McGhee Tyson-AUS Austin Bergstrom
21h 16m2 stops Philadelphia Atlanta Hartsfield-Jackson
$146Multiple Airlines
Fri, Dec 11 - Mon, Dec 14
Multiple Airlines Logo
10:29 am - 1:43 pmAUS  Austin Bergstrom-TYS Knoxville McGhee Tyson
2h 14mnonstop
Multiple Airlines Logo
1:58 pm - 10:14 amTYS  Knoxville McGhee Tyson-AUS Austin Bergstrom
21h 16m2 stops Philadelphia Atlanta Hartsfield-Jackson
$162Multiple Airlines
Thu, Dec 3 - Sat, Dec 5
American Airlines Logo
5:50 pm - 11:59 pmAUS  Austin Bergstrom-TYS Knoxville McGhee Tyson
5h 09m1 stop Charlotte Douglas
American Airlines Logo
7:16 am - 12:55 pmTYS  Knoxville McGhee Tyson-AUS Austin Bergstrom
6h 39m1 stop Charlotte Douglas
$265American Airlines
Mon, Dec 7 - Thu, Dec 10
American Airlines Logo
8:06 am - 3:26 pmAUS  Austin Bergstrom-TYS Knoxville McGhee Tyson
6h 20m1 stop Charlotte Douglas
American Airlines Logo
1:38 pm - 9:06 pmTYS  Knoxville McGhee Tyson-AUS Austin Bergstrom
8h 28m1 stop Charlotte Douglas
$265American Airlines
Mon, Dec 7 - Thu, Dec 10
Southwest Logo
6:25 am - 3:30 pmAUS  Austin Bergstrom-TYS Knoxville McGhee Tyson
8h 05m1 stop Denver Intl
Southwest Logo
5:15 pm - 9:05 pmTYS  Knoxville McGhee Tyson-AUS Austin Bergstrom
4h 50m1 stop Nashville Intl
$265Southwest
Thu, Dec 3 - Sat, Dec 5
Southwest Logo
11:55 am - 8:50 pmAUS  Austin Bergstrom-TYS Knoxville McGhee Tyson
7h 55m1 stop Baltimore/Washington
Southwest Logo
7:10 am - 12:15 pmTYS  Knoxville McGhee Tyson-AUS Austin Bergstrom
6h 05m2 stops Nashville Intl Panama City NW Florida Beaches
$270Southwest
Thu, Dec 3 - Sat, Dec 5
Delta Logo
12:10 pm - 6:30 pmAUS  Austin Bergstrom-TYS Knoxville McGhee Tyson
5h 20m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:36 pm - 8:35 pmTYS  Knoxville McGhee Tyson-AUS Austin Bergstrom
6h 59m1 stop Atlanta Hartsfield-Jackson
$312Delta
Mon, Dec 21 - Thu, Dec 24
Delta Logo
5:30 am - 1:39 pmAUS  Austin Bergstrom-TYS Knoxville McGhee Tyson
7h 09m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:52 pm - 8:35 pmTYS  Knoxville McGhee Tyson-AUS Austin Bergstrom
4h 43m1 stop Atlanta Hartsfield-Jackson
$319Delta
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 with more confidence.

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

Round-trip flights from Austin to Knoxville typically range from $184 to $384. The lowest price found in the past 5 days was $91, on Allegiant Air.

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

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Austin to Knoxville. It’s 29% cheaper than the average day, while Tuesday is the most expensive, with prices 29% higher.

What’s the cheapest month to fly from Austin to Knoxville?

•August is the cheapest month to fly from Austin to Knoxville at $200 round-trip.
•April ($367) and November ($358) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 83% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Austin to Knoxville the cheapest?

Flights from Austin to Knoxville are cheapest 26 weeks before departure. Booking in this window typically costs about 56% 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

$47
Beat the crowds with an average 34% drop in travelers.
The most popular month to fly with an average 31% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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 11:33 am
    • Latest: departs at 8:14 pm and lands at 10:29 pm.

    The flight takes about 2h 15m.

  • 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 long is a flight from Austin to Knoxville?

    A nonstop flight from Austin to Knoxville takes 2h 15m, 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 much should I expect to pay for a Austin to Knoxville flight?

    Round-trip flights from Austin to Knoxville range from $184 to $384, with an average of $294 over the past 12 months. Anything below $184 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 42% above the $294 route average. Book 26 weeks before departure for the lowest fares.

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

    On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $184 round-trip, compared to $218 via a layover through Denver Intl (DEN).

  • 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 Airbus A321-100/200 variants.

  • 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.

  • 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 $133, which is 30% below the typical average for this route.

  • 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 averaging $80 for economy cars. Top options include:

    • Budget
    • Alamo
    • Enterprise Rent-A-Car
    • Thrifty
    • Avis

  • 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 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) - 48% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 27% of one-stop connections
    • Charlotte Douglas (CLT) - 8% of one-stop connections
    • Dallas Love Field (DAL) - 7% of one-stop connections

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

    Yes. Flexible dates can save you up to 45% on flights from Austin to Knoxville. Monday is the cheapest departure day at $209 round-trip on average, while Tuesday is the most expensive at $380, a difference of $171.

    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 airlines fly from Austin to Knoxville?

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

    • Allegiant Air
    • Southwest

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

    Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 4h 44m, compared with 4h 50m via Dallas Love Field (DAL) and 4h 57m 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.

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

    Among airlines operating Austin to Knoxville flights:

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

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

  • 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:

    • Southwest: a cabin bag in Economy Class class
    • Delta: 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 always check the fare details before booking.

  • 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.

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 are flexible, aim for a Monday departure and avoid flying on Tuesday. On this route, Monday flights average $209, about $171 less than Tuesday fares (45% 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 56% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Austin to Knoxville trip for August. Fares historically average $200 round-trip in that month - typically $167 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

Friday

Allegiant Air

Allegiant Air

Saturday

Allegiant Air

Allegiant Air

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

Friday

Allegiant Air,Southwest

Allegiant Air,Southwest

Saturday

Allegiant Air

Allegiant Air

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