Cheap Flights from Jacksonville International to Knoxville

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Compare Jacksonville International to Knoxville flight deals

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Flight deals from Jacksonville International to Knoxville

Looking for a cheap last-minute deal or the best return flight from Jacksonville International to Knoxville? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Jacksonville International to Knoxville

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Jacksonville International to Knoxville flights are currently cheapest in July.

Direct flights from Jacksonville International to Knoxville

Jacksonville International to Knoxville: Alternative routes

Compare routes from Jacksonville International to Knoxville below. You may find an airport to fly into that's cheaper, faster, or easier than Knoxville.

Jacksonville to Knoxville: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 1,936
Cheapest month to flySeptember
Average flight time1 hr, 20 mins
Most popular airlineAllegiant Air
Average flights per week3

Finding cheap flights from Jacksonville International to Knoxville: Frequently asked questions

The best price we found for a return flight from Jacksonville International to Knoxville is ج.م.‏ 3,873. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 20 minutes is the average flight time from Jacksonville International to Knoxville.
Allegiant Air flies direct from Jacksonville International to Knoxville.
As of June 2025, there are 3 flights per week flying from Jacksonville International to Knoxville.
The cheapest month to fly from Jacksonville International to Knoxville is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Jacksonville International Airport to Knoxville Airport on Friday, 4 July 2025.
Yes – the average flight time is 1 hour and 20 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Knoxville but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Knoxville is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Allegiant Air offers the cheapest flight tickets to Knoxville.

Flying from Jacksonville International Airport (JAX) to McGhee Tyson Airport (TYS): what you need to know

  • The average duration of a direct flight from Jacksonville International Airport to McGhee Tyson Airport is 1 hour 25 minutes.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This way, you'll have plenty of time to catch your JAX to TYS flight.

  • Flying during a peak month such as July? Public holidays and other popular seasons can lead to longer lines at security. Play things extra safe and arrive up to four hours ahead of international flights and two hours before domestic departures.

  • Allegiant Air is your gateway to exploring Knoxville (and perhaps some other great parts of United States!). Browse the direct flights from Jacksonville International Airport to McGhee Tyson Airport offered by this airline.

  • Allegiant Air is the airline most travellers choose to fly with on this route.

  • Allegiant Air is the most punctual carrier that operates JAX to TYS flights, with 75.0% of its services arriving on schedule.

  • We make it easy to book a flight with a stopover. To see all your options for tickets from Jacksonville International Airport to McGhee Tyson Airport, uncheck 'Direct flights only.' Then, pick a flight offering a stop long enough to tour your chosen city. Some great stopovers between JAX and TYS include:

    • Hartsfield-Jackson Atlanta International Airport

    • Charlotte Douglas International Airport

    • Washington Dulles International Airport

How to find the cheapest flights from Jacksonville International Airport (JAX) to McGhee Tyson Airport (TYS)

  • The cheapest price we've found for a one-way Jacksonville International Airport to McGhee Tyson Airport flight is ج.م.‏ 1,936. A round-trip fare right now is ج.م.‏ 3,873. Depending on the availability when you book, these fares may change.

  • Book eight months before travelling. After looking at the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from JAX to TYS.

  • July is the cheapest month for flights from Jacksonville International Airport to McGhee Tyson Airport. If you want to travel at a different time of year, the 'Whole month' tool will show you the lowest prices for every month.

  • Stay on top of deals for cheap flights from JAX to TYS by creating a Price Alert. We'll send you an email or notification through the app when a lower fare becomes available.

  • Tailor your trip using filters. Pick your ideal arrival and departure times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from Jacksonville International Airport to McGhee Tyson Airport.

Handy information about Jacksonville International Airport (JAX)

  • JAX is located at 2400 Yankee Clipper Drive.

  • Jacksonville International Airport gets top marks for its on-time performance. 80.42% of flights that depart JAX reach their destination on time.

  • To get to Jacksonville International Airport from central Jacksonville, it takes about 15 minutes if you're planning to drive. Of course, this depends on traffic conditions. It's approximately 23 kilometres from the airport to the city centre.

  • Expect a trip time of around 1 hour 20 minutes on public transport.

  • Get your journey off to a leisurely start by staying near JAX. Whether you're taking an early flight from Jacksonville International Airport to McGhee Tyson Airport or just don't want to be rushed, these stays have you covered:

Arriving at McGhee Tyson Airport (TYS)

  • The last thing you want is a long journey to your hotel if you're getting in late on a Jacksonville International Airport to McGhee Tyson Airport flight. Check in to one of these accommodation options near TYS instead:

  • Grab a McGhee Tyson Airport rental car and discover Knoxville and beyond with your own set of wheels. Budget, Alamo and Avis are top providers you can book with here.

  • Lock in the best rate by reserving your ride from McGhee Tyson Airport around three weeks in advance of your trip.

Getting from McGhee Tyson Airport (TYS) to central Knoxville

  • TYS is located at 2055 Alcoa Highway.

  • From McGhee Tyson Airport, Knoxville is approximately 23 kilometres away. It takes around 20 minutes to reach the centre driving.

When to fly to McGhee Tyson Airport (TYS)

  • July is the busiest month for flights from Jacksonville International Airport to McGhee Tyson Airport. To escape the crowds, go to Knoxville in February.

  • Book your flight from Jacksonville International Airport to McGhee Tyson Airport for July if you'd like to visit Knoxville during its warmest month. Expect temperatures of between 17ºC and 32ºC.

  • January has average temperatures of between -6ºC and 11ºC. Search for cheap tickets from JAX to TYS sometime then if you like cooler conditions.

Explore more of United States

  • Knoxville has its own special appeal, but there are so many other corners of United States you should also see. Around 451 kilometres north of Knoxville, a visit to Columbus will keep you on the move. Start with leading sights like Franklin Park Conservatory and Botanical Gardens, Ohio Statehouse and German Village.

  • Around 467 kilometres north-west of Knoxville, Indianapolis is another favourite stop in United States. Experience the best of this destination with a visit to The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.