Cheap Flights from Austin, TX to Knoxville, TN from $79

Return flight: Knoxville – Austin

On Cheapflightsplus.com you will find 355 connecting flights from Austin to Knoxville. You can compare airfare deals from 7 airlines and multiple travel sites from $79, book and save on cheap plane tickets and last minute offers. Also check out AUS-TYS flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Austin to Knoxville Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $79 (one-way), $135 (round-trip).
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Full flight schedule will help you in detecting at what time planes fly from Austin to Knoxville. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
05:30 — 12:31
05:30 — 06:51 F9189 Frontier Airlines
Austin — Denver
58m stop
07:49 — 12:31 F9588 Frontier Airlines
Denver — Knoxville
6h 1m
including layover
Find flight
from$92
07:40 — 12:31
+1 day
07:40 — 08:50 UA1472 United Airlines
Austin — Denver
22h 59m stop
07:49 — 12:31 F9588 Frontier Airlines
Denver — Knoxville
27h 51m
including layover
Find flight
from$107
10:31 — 09:11
+1 day
10:31 — 13:42 F91490 Frontier Airlines
Austin — Atlanta
18h 36m stop
08:18 — 09:11 DL2263 Delta Air Lines Inc.
Atlanta — Knoxville
21h 40m
including layover
Find flight
from$132
11:46 — 20:03
11:46 — 15:19 B6512 JetBlue
Austin — Miami
2h 42m stop
18:01 — 20:03 G4425 Allegiant Air
Miami — Knoxville
7h 17m
including layover
Find flight
from$167
12:46 — 17:30
+1 day
12:46 — 16:13 B62416 JetBlue
Austin — Orlando
23h 34m stop
15:47 — 17:30 F91645 Frontier Airlines
Orlando — Knoxville
27h 44m
including layover
Find flight
from$108
16:20 — 19:43
+1 day
16:20 — 19:46 G42257 Allegiant Air
Austin — Sanford
22h 23m stop
18:09 — 19:43 G42196 Allegiant Air
Sanford — Knoxville
26h 23m
including layover
Find flight
from$135
16:59 — 20:27
+1 day
16:59 — 20:19 G42257 Allegiant Air
Austin — Sanford
22h 32m stop
18:51 — 20:27 G4401 Allegiant Air
Sanford — Knoxville
26h 28m
including layover
Find flight
from$79
18:44 — 11:09
+1 day
18:44 — 20:05 F9193 Frontier Airlines
Austin — Denver
10h 15m stop
06:20 — 11:09 F9588 Frontier Airlines
Denver — Knoxville
15h 25m
including layover
Find flight
from$115
19:07 — 21:44
+1 day
19:07 — 20:09 F91137 Frontier Airlines
Austin — Las Vegas
18h 55m stop
15:04 — 21:44 G4433 Allegiant Air
Las Vegas — Knoxville
25h 37m
including layover
Find flight
from$131
05:35 — 17:30
05:35 — 06:26 UA1920 United Airlines
Austin — Houston
1h 16m stop
07:42 — 10:54 UA686 United Airlines
Houston — Orlando
4h 53m stop
15:47 — 17:30 F91645 Frontier Airlines
Orlando — Knoxville
10h 55m
including layover
Find flight
from$116
06:20 — 21:57
+1 day
06:20 — 08:58 DL2044 Delta Air Lines Inc.
Austin — Minneapolis
2h 27m stop
11:25 — 12:46 DL6254 Delta Air Lines Inc.
Minneapolis — Omaha
4h 57m stop
17:43 — 21:34 G42243 Allegiant Air
Omaha — Knoxville
38h 37m
including layover
Find flight
from$148
06:30 — 09:03
+1 day
06:30 — 10:32 F9894 Frontier Airlines
Austin — Raleigh
10h 7m stop
20:39 — 22:36 G41649 Allegiant Air
Raleigh — Punta Gorda
8h 44m stop
07:20 — 09:03 G41650 Allegiant Air
Punta Gorda — Knoxville
25h 33m
including layover
Find flight
from$137
07:10 — 17:30
07:10 — 08:10 UA1919 United Airlines
Austin — Houston
1h 47m stop
09:57 — 13:09 UA1230 United Airlines
Houston — Orlando
2h 38m stop
15:47 — 17:30 F91645 Frontier Airlines
Orlando — Knoxville
9h 20m
including layover
Find flight
from$137
08:10 — 23:37
08:10 — 11:15 DL1308 Delta Air Lines Inc.
Austin — Atlanta
2h 40m stop
13:55 — 15:25 DL2586 Delta Air Lines Inc.
Atlanta — Orlando
3h 30m stop
18:55 — 20:59 UA2009 United Airlines
Orlando — Knoxville
14h 27m
including layover
Find flight
from$165
08:45 — 16:42
+1 day
08:45 — 09:40 WN2835 Southwest Airlines
Austin — Houston
1h stop
10:40 — 13:55 WN3935 Southwest Airlines
Houston — Louisville
20h 14m stop
10:09 — 12:05 G42107 Allegiant Air
Louisville — Knoxville
30h 57m
including layover
Find flight
from$148
09:04 — 21:57
+1 day
09:04 — 12:26 G41819 Allegiant Air
Austin — Indianapolis
19h 39m stop
08:05 — 10:15 G41804 Allegiant Air
Indianapolis — Sanford
10h 6m stop
20:21 — 21:57 G4401 Allegiant Air
Sanford — Knoxville
35h 53m
including layover
Find flight
from$122
09:41 — 12:03
+1 day
09:41 — 12:59 G41337 Allegiant Air
Austin — Covington
4h 22m stop
17:21 — 19:37 G41304 Allegiant Air
Covington — Punta Gorda
14h 42m stop
10:19 — 12:03 G4411 Allegiant Air
Punta Gorda — Knoxville
25h 22m
including layover
Find flight
from$144
10:31 — 14:17
+1 day
10:31 — 13:42 F91490 Frontier Airlines
Austin — Atlanta
7h 7m stop
20:49 — 22:24 F91560 Frontier Airlines
Atlanta — Orlando
10h 56m stop
09:20 — 11:19 UA221 United Airlines
Orlando — Knoxville
26h 46m
including layover
Find flight
from$124
11:02 — 09:11
+1 day
11:02 — 14:53 DL6248 Delta Air Lines Inc.
Austin — Raleigh
2h 8m stop
17:01 — 18:58 DL2656 Delta Air Lines Inc.
Raleigh — Orlando
11h 2m stop
06:00 — 07:34 DL1988 Delta Air Lines Inc.
Orlando — Knoxville
21h 9m
including layover
Find flight
from$166
12:46 — 11:48
+1 day
12:46 — 16:13 B62416 JetBlue
Austin — Orlando
3h 45m stop
19:58 — 21:04 NK195 Spirit Airlines
Orlando — Miami
12h 42m stop
09:46 — 11:48 G4425 Allegiant Air
Miami — Knoxville
22h 2m
including layover
Find flight
from$159
13:19 — 10:03
+2 days
13:19 — 16:31 F9884 Frontier Airlines
Austin — Louisville
18h 34m stop
11:05 — 13:15 G41611 Allegiant Air
Louisville — Punta Gorda
19h 5m stop
08:20 — 10:03 G41650 Allegiant Air
Punta Gorda — Knoxville
43h 44m
including layover
Find flight
from$123
13:37 — 17:30
+1 day
13:37 — 14:30 G4181 Allegiant Air
Austin — Albuquerque
10h 10m stop
00:40 — 06:15 F91266 Frontier Airlines
Albuquerque — Orlando
9h 32m stop
15:47 — 17:30 F91645 Frontier Airlines
Orlando — Knoxville
26h 53m
including layover
Find flight
from$95
14:05 — 20:42
+1 day
14:05 — 16:46 UA790 United Airlines
Austin — Chicago
1h 14m stop
18:00 — 21:01 UA5622 United Airlines
Chicago — Allentown
15h 8m stop
12:09 — 14:42 G42125 Allegiant Air
Allentown — Knoxville
29h 37m
including layover
Find flight
from$160
14:36 — 17:30
+1 day
14:36 — 15:32 UA216 United Airlines
Austin — Houston
1h 8m stop
16:40 — 19:55 UA1707 United Airlines
Houston — Orlando
19h 52m stop
15:47 — 17:30 F91645 Frontier Airlines
Orlando — Knoxville
25h 54m
including layover
Find flight
from$145
15:22 — 17:11
+1 day
15:22 — 18:59 F91156 Frontier Airlines
Austin — Covington
11h 31m stop
06:30 — 08:37 G41302 Allegiant Air
Covington — Clearwater
6h 56m stop
15:33 — 17:11 G4832 Allegiant Air
Clearwater — Knoxville
24h 49m
including layover
Find flight
from$131
15:22 — 09:03
+2 days
15:22 — 18:59 F91156 Frontier Airlines
Austin — Covington
15h 59m stop
10:58 — 13:11 G41304 Allegiant Air
Covington — Punta Gorda
18h 9m stop
07:20 — 09:03 G41650 Allegiant Air
Punta Gorda — Knoxville
40h 41m
including layover
Find flight
from$139
17:29 — 12:48
+1 day
17:29 — 18:30 UA630 United Airlines
Austin — Houston
1h 36m stop
20:06 — 21:14 UA2085 United Airlines
Houston — New Orleans
8h 16m stop
05:30 — 08:20 NK672 Spirit Airlines
New Orleans — Knoxville
18h 19m
including layover
Find flight
from$155
17:55 — 17:30
+1 day
17:55 — 21:00 WN4116 Southwest Airlines
Austin — Atlanta
55m stop
21:55 — 23:25 WN3379 Southwest Airlines
Atlanta — Columbus
8h 35m stop
08:00 — 10:21 NK1673 Spirit Airlines
Columbus — Knoxville
22h 35m
including layover
Find flight
from$157
18:19 — 14:21
+1 day
18:19 — 19:40 F9193 Frontier Airlines
Austin — Denver
4h 5m stop
23:45 — 05:29 NK970 Spirit Airlines
Denver — Miami
6h 53m stop
12:22 — 14:21 G41730 Allegiant Air
Miami — Knoxville
19h 2m
including layover
Find flight
from$150
19:19 — 14:32
+1 day
19:19 — 22:59 F9885 Frontier Airlines
Austin — Orlando
9h 16m stop
08:15 — 09:17 NK675 Spirit Airlines
Orlando — Miami
3h 16m stop
12:33 — 14:32 G41730 Allegiant Air
Miami — Knoxville
18h 13m
including layover
Find flight
from$165
20:43 — 11:09
+1 day
20:43 — 21:39 F91139 Frontier Airlines
Austin — Las Vegas
3h 46m stop
01:25 — 04:14 F9780 Frontier Airlines
Las Vegas — Denver
2h 6m stop
06:20 — 11:09 F9588 Frontier Airlines
Denver — Knoxville
13h 26m
including layover
Find flight
from$148
21:20 — 17:30
+1 day
21:20 — 22:15 WN2059 Southwest Airlines
Austin — Albuquerque
2h 25m stop
00:40 — 06:15 F91266 Frontier Airlines
Albuquerque — Orlando
9h 32m stop
15:47 — 17:30 F91645 Frontier Airlines
Orlando — Knoxville
19h 10m
including layover
Find flight
from$148
*Departure and arrival times - local. Updated on May 3, 2024

Flight Information

Below we will explain in detail what the flights cost on the destination from Austin to Knoxville depends on and how to choose the most interesting flight option for you.

Distance between Austin and Knoxville is 1418 miles. Time difference between the cities is 1h. Airplanes depart 05:08 to 21:20 from 3 Austin airports and arrive 05:08 to 21:20 to 1 Knoxville airport. Average flight time is 9h 49m.

  • The fastest flight 3h 31m
  • Average flight time 9h 49m
  • The earliest flight 05:08
  • The latest flight 21:20
  • Distance 882 ml

What is the lowest airfare Austin to Knoxville?

The cheapest plane ticket found by our users is $79. This airfare is for economy class on one-way G42257 flight by Allegiant Air for December 7, 2018 which leaves Austin-Bergstrom Intl in Austin at 16:59 am and arrives at Knoxville Mc Ghee Tyson at 20:27.

Economy class
$79
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Business class
?
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First class
?
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Popular Airlines on the Route

The flight Austin — Knoxville is served by 7 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by American Airlines - 67 departures per week at the price of from $ 174 . And the most expensive tickets are offered by American Airlines airline - from $ 645.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 355 flights with layovers on the route. The fastest connecting flight is DL2402 by Delta Air Lines Inc. takes 3h 31m and the cheapest is G42257 by Allegiant Air for $79.

  • AA - American Airlines
    from $174
    Find
  • F9 - Frontier Airlines
    from $92
    Find
  • B6 - JetBlue
    from $108
    Find
  • WN - Southwest Airlines
    from $148
    Find
  • DL - Delta Air Lines Inc.
    from $148
    Find
  • UA - United Airlines
    from $107
    Find
  • G4 - Allegiant Air
    from $79
    Find
See more connecting flights

Airports

You can fly from Austin to Knoxville from 3 airports (Austin-Bergstrom Intl, Austin, Camp Maybry AHP).

Austin airports

  • Austin-Bergstrom Intl-AUS
    from $79
    Find
  • Austin-ASQ
    Find
  • Camp Maybry AHP-MMR
    Find

Knoxville airports

  • Mc Ghee Tyson-TYS
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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