Cheap Flights from Jacksonville to Knoxville from $50

Frequently Asked Questions

• What are the cheapest flights from Jacksonville to Knoxville (JAX-TYS)?

  Based on Trip.com data, Allegiant Air offers one-way fares as low as $50 on Cheapest nonstop routes (e.g. JAX to TYS on Mon, Oct 19), while Allegiant Air offers Cheapest nonstop round-trips from $71 departing on Thu, Nov 12 and returning on Thu, Nov 19.

• Which airlines offer direct flights from Jacksonville to Knoxville?

  At the moment, you can catch a nonstop flight from Jacksonville to Knoxville with the following airlines, including: Allegiant Air Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Jacksonville (JAX) to Knoxville (TYS) and what is the distance?

  It takes around 1 hour 21 minutes to fly from Jacksonville (JAX) to Knoxville (TYS).

• When is the best time to book flights from Jacksonville to Knoxville?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Jacksonville to Knoxville is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Jacksonville to Knoxville?

  Based on Trip.com data in the past 4 weeks, there is 2 flight per week flying from Jacksonville to Knoxville. You can check the weekly schedule for popular airlines on this route below: Allegiant Air: -/-/-/W/-/-/S -- G43036 (09:57)

• How can I find the best deals on flights from Jacksonville to Knoxville?

  To find best deals on flights from Jacksonville to Knoxville, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Oct 19, with one-way flights priced at just $50.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Allegiant Air.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Knoxville travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Jacksonville (JAX) to Knoxville (TYS) the cheapest?

  The cheapest months to fly from Jacksonville to Knoxville is August, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Jacksonville to Knoxville on?

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Jacksonville to Knoxville on October 29, 2026 with Allegiant Air, with prices starting at $73.

• Which airports can I fly into Knoxville from Jacksonville?

  You can arrive at any of the following airports in Knoxville: Mcghee Tyson Airport (TYS). Flights from Jacksonville International Airport to Mcghee Tyson Airport (JAX-TYS) are by far the most popular option for this route.

• Is there any time difference between Jacksonville and Knoxville?

  The time difference between Knoxville and Jacksonville is 0m.

• How do I change or cancel my ticket from Jacksonville to Knoxville?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Jacksonville to Knoxville?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Jacksonville to Knoxville is $229. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from Jacksonville to Knoxville?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Jacksonville to Knoxville is $203. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Jacksonville to Knoxville on Trip.com?

  Enter Jacksonville and Knoxville, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

• Are there budget airlines on the Jacksonville to Knoxville route?

  Allegiant Airare the most popular budget airlines flying from Jacksonville to Knoxville. Check baggage, seat and payment fees before comparing the final price.