Cheapest€119.32
- Allegiant Air AA178606:292h 30m08:59Austin AUSKnoxville TYS
Door to door 5h 40mCO2 363.1 kgChanges 0Fixed, no changes
Austin to Knoxville flight
Flights from Austin to Knoxville start at €147.05 and take 5h 32m at their fastest.
The Flights from Austin to Knoxville starts at €147.05 and takes 5h 32m door to door, run by 1 operator over 1,476 km, with around 6 departures a day. Fares bottom out about 45 days before departure.
- 5h 32mDoor to door
- 2h 22mMoving
- €147.05From
- 363.1 kgCO2
The cheapest and the fastest on September 29, 2026
Two journeys we can sell today, with the service number each operator files them under.
Fastest€129.35
- Allegiant Air AA730214:422h 22m17:04Austin AUSKnoxville TYS
Door to door 5h 32mCO2 363.1 kgChanges 0Fixed, no changes
Airlines
Speed, flexibility and what is on board. Nothing here is a rating, because we have not earned one.
| Operator | From | Fastest | Typical speed | Flexibility | On board |
|---|---|---|---|---|---|
 Allegiant Air | €119.32 | 5h 26m | 740 km/h | Fixed fare | Not published |
That is the traveling done. What happens after you walk out into Knoxville is not something we sell.
Rooms within reach of L&N Station
Filter by neighborhood and by nightly price, and the map tells you what is a walk and what is a cab.
Search Knoxville on Booking.comOr compare on Expedia
Partner links. We do not sell accommodation. We earn a commission when a booking completes, and it never changes what you pay.
When to book Austin to Knoxville
The same search run across the whole booking window, so the shape of the curve is visible rather than described.
- €173.0190 days
- €114.6060 days
- €97.4945 days
- €99.2630 days
- €145.2821 days
- €218.4414 days
- €243.227 days
- €227.883 days
- €334.671 days
- Cheapest lead time
- Fares bottom out around 45 days ahead, at €97.49.
- How much it moves
- The gap between the cheapest and most expensive lead time is 243 percent. The most expensive point is €334.67, 1 days out.
- What that means
- Today sits inside the cheap window, which closes about 45 days before departure. Waiting from here has usually cost money on this corridor rather than saved it.
Which departure day costs least
Median cheapest fare for each weekday, taken across the next three weeks of real prices.
- €188.94Sun
- €147.05Mon
- €149.41Tue
- €169.47Wed
- €214.90Thu
- €176.55Fri
- €218.44Sat
Where you leave from and where you arrive
The stations, airports and ports each mode on this corridor actually uses.
Austin
Air
- AUS
Knoxville
Air
- TYS
What the journey actually looks like
Direct or connecting, how far the route really runs, and what happens when a connection is missed.
- Direct or connecting
- 33% of the services we sell on this corridor run through without a change. The remaining 67% involve one connection.
- How far it really runs
- The route covers 1,476 km against 1,433 km in a straight line, a detour of 3 percent. Track and road geometry account for the difference.
- Where the change is
- Connections are made at Houston, Dallas, Atlanta, Nashville. The gap between arriving and leaving is 64 minutes, of which about 5 is walking.
- If the connection is missed
- The tightest connection we sell here has a 15 percent chance of not being made on the timetable alone. Part of this journey is a self transfer between separate tickets, so leave more time than the minimum and expect to check in again.
- First and last departure
- The first service of the day leaves Austin at 06:29 and the last at 14:42, across 6 departures. The return direction keeps its own timetable, so the times back are not these times reversed.
Questions about Austin to Knoxville
The questions people actually ask about this trip, answered from the same prices and times the page above is built on rather than written once and left to go stale.
How long does the Flight from Austin to Knoxville take?
The Flight from Austin to Knoxville takes 5h 32m door to door, of which 2h 22m is spent moving. The route runs 1,476 km. The difference between the two times is reaching the terminal and leaving it at the far end, which every time on this page includes.
How much does the Flight from Austin to Knoxville cost?
The Flight from Austin to Knoxville starts at €147.05 for one passenger, checked on September 12, 2026. A typical fare is €137.32. Both are the total including taxes, supplier fees and our service fee, so the price here is the price at checkout.
Who runs the Flight from Austin to Knoxville?
1 operators run the Flight from Austin to Knoxville: Allegiant Air. Between them they file around 6 departures a day. The operator table on this page compares them on fare, journey time, cruising speed, fare conditions and what is provided on board.
Which terminal does the Flight from Austin to Knoxville use?
The Flight from Austin to Knoxville leaves from Austin AUS and arrives at Knoxville TYS. Allow about 3h 10m for reaching the departure terminal and leaving the arrival one. That time is already inside every door to door figure quoted on this page.
When should I book the Flight from Austin to Knoxville?
Fares for the Flight from Austin to Knoxville bottom out around 45 days ahead, at €97.49. The gap between the cheapest and most expensive lead time across the window is 243 percent, measured on September 12, 2026. Booking inside the final week has consistently cost more.
How much CO2 does the Flight from Austin to Knoxville produce?
The Flight from Austin to Knoxville produces about 363.1 kg of CO2 per passenger over 1476 km, which works out at roughly 246 grams per passenger kilometer. That figure is for the whole journey and for one traveler, not for the vehicle.
Where these numbers come from
Observed service A carrier record shows this named operator serving this named pair, and we carry that through unchanged.
Schedules, seat counts and fares are generated by our own model until the supplier contracts are signed. Places, coordinates, operators, which operator serves which pair, and every distance are real. We would rather say that on every page than let a modeled number pass for a filed one.
Defined in full at Door to door, Fares, The booking window, Carbon
- On this page
- Every figure above was computed for Austin to Knoxville on September 12, 2026: 1476 km of route against 1433 km in a straight line, 6 services a day, 1 operators, a cheapest fare of €147.05, and 5h 32m door to door on the fastest mode. The return direction is computed separately and its numbers are not these numbers.
Related journeys
Knoxville to Austin flightCompare every mode from Austin to KnoxvilleAtlanta to Knoxville flightCharlotte to Knoxville flightChicago to Knoxville flightDallas to Knoxville flightDenver to Knoxville flightDetroit to Knoxville flightFort Lauderdale to Knoxville flightHouston to Knoxville flightJacksonville to Knoxville flightKey West to Knoxville flightAtlanta to Knoxville flightBaltimore to Knoxville flight