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66 € Cheap Flights from Knoxville (TYS) to Jacksonville International (JAX)

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Flight deals from Knoxville to Jacksonville International

Looking for a cheap last-minute deal or the best return flight from Knoxville to Jacksonville International? Find the lowest prices on one-way and return tickets right here.
Jacksonville.66 € per passenger.Departing Thu, 22 Jan, returning Thu, 29 Jan.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Thu, 22 Jan, arriving in Jacksonville International.Inbound direct flight with Allegiant Air departs from Jacksonville International on Thu, 29 Jan, arriving in Knoxville.Price includes taxes and charges.From 66 €, select.
Jacksonville.66 € per passenger.Departing Thu, 18 Dec, returning Sun, 21 Dec.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Thu, 18 Dec, arriving in Jacksonville International.Inbound direct flight with Allegiant Air departs from Jacksonville International on Sun, 21 Dec, arriving in Knoxville.Price includes taxes and charges.From 66 €, select.
Jacksonville.68 € per passenger.Departing Thu, 22 Jan, returning Thu, 5 Feb.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Thu, 22 Jan, arriving in Jacksonville International.Inbound direct flight with Allegiant Air departs from Jacksonville International on Thu, 5 Feb, arriving in Knoxville.Price includes taxes and charges.From 68 €, select.
Jacksonville.68 € per passenger.Departing Sun, 1 Feb, returning Thu, 5 Feb.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Sun, 1 Feb, arriving in Jacksonville International.Inbound direct flight with Allegiant Air departs from Jacksonville International on Thu, 5 Feb, arriving in Knoxville.Price includes taxes and charges.From 68 €, select.
Jacksonville.68 € per passenger.Departing Tue, 23 Dec, returning Thu, 8 Jan.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Tue, 23 Dec, arriving in Jacksonville International.Inbound direct flight with Allegiant Air departs from Jacksonville International on Thu, 8 Jan, arriving in Knoxville.Price includes taxes and charges.From 68 €, select.
Jacksonville.92 € per passenger.Departing Thu, 16 Apr, returning Thu, 16 Apr.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Thu, 16 Apr, arriving in Jacksonville International.Inbound direct flight with Allegiant Air departs from Jacksonville International on Thu, 16 Apr, arriving in Knoxville.Price includes taxes and charges.From 92 €, select.
Jacksonville.114 € per passenger.Departing Tue, 25 Nov, returning Sat, 29 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Tue, 25 Nov, arriving in Jacksonville International.Inbound direct flight with Allegiant Air departs from Jacksonville International on Sat, 29 Nov, arriving in Knoxville.Price includes taxes and charges.From 114 €, select.
Jacksonville.127 € per passenger.Departing Tue, 25 Nov, returning Sun, 14 Dec.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Tue, 25 Nov, arriving in Jacksonville International.Inbound direct flight with Allegiant Air departs from Jacksonville International on Sun, 14 Dec, arriving in Knoxville.Price includes taxes and charges.From 127 €, select.

Find the cheapest month to fly from Knoxville to Jacksonville International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Knoxville to Jacksonville International flights are currently cheapest in December.
Nov
from 114 €
Dec
from 66 €
Jan
from 66 €
Feb
from 68 €
Mar
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Apr
from 92 €
May
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Jun
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Jul
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Aug
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Sep
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Oct
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Direct flights from Knoxville to Jacksonville International

Knoxville to Jacksonville International: Alternative routes

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

Knoxville to Jacksonville: Flight information

The things to know before you go.
Cheapest flight found66 €
Cheapest month to flyJanuary
Average flight time1 hr, 22 mins
Most popular airlineAllegiant Air
Average flights per week3

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

The best price we found for a return flight from Knoxville to Jacksonville International is 66 €. 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 22 minutes is the average flight time from Knoxville to Jacksonville International.
Allegiant Air flies direct from Knoxville to Jacksonville International.
As of November 2025, there are 3 flights per week flying from Knoxville to Jacksonville International.
The cheapest month to fly from Knoxville to Jacksonville International is usually January.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Knoxville Airport to Jacksonville International Airport on Thursday, 22 January 2026.
Yes – the average flight time is 1 hour and 22 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 Jacksonville International 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 Jacksonville 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 Jacksonville International.

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

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

  • Jacksonville's timezone is UTC-4, which is the same as Knoxville.

  • Get to the airport on time so you don't miss your TYS to JAX flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • Flying during a peak time such as July? Public holidays and other popular seasons can result in longer queues at security. Play things extra safe and arrive up to four hours ahead of an international flight and two hours before domestic departures.

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

  • The majority of passengers choose to travel with Allegiant Air on this route.

  • With a dependable 90.0% of services arriving as planned, Allegiant Air is the most punctual carrier offering TYS to JAX flights.

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

  • At the moment, 33 € is the lowest price we've found for a one-way McGhee Tyson Airport to Jacksonville International Airport flight. The best price for a return plane ticket is 66 €. Bear in mind that fares may change due to availability when booking.

  • Book eight months before your departure date. After crunching the numbers on our calendar, this is how far you should book ahead to find cheap tickets from TYS to JAX.

  • Organise your trip for July. That's the cheapest month for flights from McGhee Tyson Airport to Jacksonville International Airport. If you're flexible with your travel dates, use the 'Whole month' tool to see the lowest airfare across each month.

  • You won't have to check every day to see if fares have gone down when you create a Price Alert. We'll let you know the moment there's a better deal on cheap flights from TYS to JAX.

  • Discover the ideal flight for you with the help of the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from McGhee Tyson Airport to Jacksonville International Airport, use the 'Sort by' tool. You can also filter results by airline, arrival and departure times, and journey duration.

Handy information about McGhee Tyson Airport (TYS)

  • TYS is located at 2055 Alcoa Highway.

  • Of all flights departing from McGhee Tyson Airport, 78.98% arrive as scheduled at their destination.

  • McGhee Tyson Airport is about 23 kilometres from central Knoxville. If you're ride-sharing, catching a cab or driving from the centre, it'll take 20 minutes or so to arrive, depending on the traffic.

  • Need a handy hotel near TYS? If you've booked an early flight from McGhee Tyson Airport to Jacksonville International Airport, these stays will have you moments from your departure lounge:

Arriving at Jacksonville International Airport (JAX)

Getting from Jacksonville International Airport (JAX) to central Jacksonville

  • The street address for JAX is 2400 Yankee Clipper Drive.

  • Jacksonville International Airport is approximately 23 kilometres from the centre of Jacksonville. The drive time takes around 15 minutes.

  • If you're travelling on public transport, expect a journey time of about 1 hour 20 minutes.

When to fly to Jacksonville International Airport (JAX)

  • July is the most popular month for flights from McGhee Tyson Airport to Jacksonville International Airport. To steer clear of the crowds, travel to Jacksonville in May.

  • Book your flight from McGhee Tyson Airport to Jacksonville International Airport for July if you want to explore Jacksonville during its warmest month. Expect temperatures of between 23ºC (73ºF) and 34ºC (93ºF).

  • January sees average temperatures of between 5ºC (41ºF) and 21ºC (70ºF). Search for cheap tickets from TYS to JAX sometime then if you'd rather travel in cooler conditions.

Explore more of United States

  • Atlanta is just one of the many cities in United States waiting to be discovered after you've seen Jacksonville. Around 467 kilometres away to the north-west, check out popular attractions including Georgia Aquarium, Centennial Olympic Park and Piedmont Park.

  • Tampa is another essential stop in United States and is around 274 kilometres south of Jacksonville. No journey is complete without a visit to Ybor City Tattoo Company, Tampa Riverwalk and The Florida Aquarium.

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