TYS - JAX

$39 Find Cheap Flights from Knoxville to Jacksonville

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Knoxville to Jacksonville departing on 2/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Jacksonville

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Knoxville to Jacksonville, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Knoxville to Jacksonville, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$78
Overall average: $100
Allegiant Air
Thu 2/19Sun 2/22
TYS - JAX • Non-stop
Cheapest non-stop
$78
Typical prices: $78-$100
Allegiant Air
Thu 2/5Sun 2/8
TYS - JAX • Non-stop
When to travel
February
Cheapest • 47% price drop
May
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Nonstop flights
2 days a week
There are direct flights from Knoxville to Jacksonville 2 days a week: Thu, Sun.
Direct flights
Direct flights
Direct flights
Direct flights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Jacksonville!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Knoxville to Jacksonville (TYS-JAX)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Knoxville to Jacksonville that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Knoxville to Jacksonville

Thu, Feb 19 - Sun, Feb 22
Allegiant Air Logo
11:50 am - 1:19 pm
TYS
-
JAX
1h 29mnonstop
Allegiant Air Logo
8:02 pm - 9:21 pm
JAX
-
TYS
1h 19mnonstop
$78Allegiant Air
Thu, Feb 26 - Sun, Mar 1
Allegiant Air Logo
11:50 am - 1:16 pm
TYS
-
JAX
1h 26mnonstop
Allegiant Air Logo
7:59 pm - 9:18 pm
JAX
-
TYS
1h 19mnonstop
$79Allegiant Air
Thu, Feb 12 - Sun, Feb 22
Allegiant Air Logo
11:50 am - 1:19 pm
TYS
-
JAX
1h 29mnonstop
Allegiant Air Logo
8:02 pm - 9:21 pm
JAX
-
TYS
1h 19mnonstop
$90Allegiant Air
Thu, Feb 12 - Thu, Feb 12
Allegiant Air Logo
11:50 am - 1:19 pm
TYS
-
JAX
1h 29mnonstop
Allegiant Air Logo
8:02 pm - 9:21 pm
JAX
-
TYS
1h 19mnonstop
$102Allegiant Air
Sun, Apr 12 - Thu, Apr 16
Allegiant Air Logo
12:37 pm - 1:59 pm
TYS
-
JAX
1h 22mnonstop
Allegiant Air Logo
8:34 pm - 9:57 pm
JAX
-
TYS
1h 23mnonstop
$105Allegiant Air
Sun, Apr 26 - Thu, Apr 30
Allegiant Air Logo
12:37 pm - 1:59 pm
TYS
-
JAX
1h 22mnonstop
Allegiant Air Logo
8:34 pm - 9:57 pm
JAX
-
TYS
1h 23mnonstop
$110Allegiant Air
Sun, Apr 26 - Thu, Apr 30
Allegiant Air Logo
12:37 pm - 1:59 pm
TYS
-
JAX
1h 22mnonstop
Allegiant Air Logo
8:34 pm - 9:57 pm
JAX
-
TYS
1h 23mnonstop
$111Allegiant Air
Sun, Mar 8 - Thu, Mar 12
Allegiant Air Logo
11:54 am - 1:16 pm
TYS
-
JAX
1h 22mnonstop
Allegiant Air Logo
8:01 pm - 9:27 pm
JAX
-
TYS
1h 26mnonstop
$175Allegiant Air
Thu, Apr 9 - Mon, Apr 13
Multiple Airlines Logo
12:37 pm - 1:59 pm
TYS
-
JAX
1h 22mnonstop
Multiple Airlines Logo
8:18 pm - 10:36 am
JAX
-
TYS
38h 18m
2 stops
$180Multiple Airlines
Fri, Jul 3 - Fri, Jul 10
Allegiant Air Logo
12:40 pm - 2:00 pm
TYS
-
JAX
1h 20mnonstop
Allegiant Air Logo
8:40 pm - 10:00 pm
JAX
-
TYS
1h 20mnonstop
$182Allegiant Air
Booking Insights

KAYAK's insights & trends for Knoxville to Jacksonville flights

Get data-powered insights and trends into flights from Knoxville to Jacksonville to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Knoxville to Jacksonville?

The average price of all round-trip flights from Knoxville to Jacksonville clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Jacksonville on a Wednesday, as we generally find the cheapest rates on that day for this route. On the other hand, Saturday is the most expensive day to fly from Knoxville to Jacksonville. For your return ticket, we recommend flying on a Friday and avoiding Tuesdays for the best deals.

What is the cheapest month to fly from Knoxville to Jacksonville?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Knoxville to Jacksonville, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Knoxville to Jacksonville is February, where tickets cost $100 (return) on average. On the other hand, the most expensive months are October and December, where the average cost of round-trip tickets is $318 and $260 respectively.

Good to know

Low seasonDecember
Cheapest flight$39
Best time to beat the crowds but there is an average 37% increase in price.
Most popular time to fly and prices are also 38% lower on average.
Flight from Knoxville to Jacksonville

When to book flights from Knoxville to Jacksonville

Are your dates flexible? Find out the best times to travel from Knoxville to Jacksonville based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Knoxville to Jacksonville

  • What is the cheapest flight from Knoxville to Jacksonville?

    In the last 3 days, the lowest price for a flight from Knoxville to Jacksonville was $39 for a one-way ticket and $78 for a round-trip.

  • Do I need a passport to fly between Knoxville and Jacksonville?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which aircraft models fly most regularly from Knoxville to Jacksonville?

    The Airbus A320-100/200 is the aircraft model that flies most regularly on the Knoxville to Jacksonville flight route.

  • Which airline alliances offer flights from Knoxville to Jacksonville?

    oneworld, and SkyTeam are the airline alliances operating flights between Knoxville and Jacksonville, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from Knoxville to Jacksonville?

    You can catch a nonstop flight from Knoxville to Jacksonville on on Thursday, and Sunday.

  • Which is the best airline for flights from Knoxville to Jacksonville, Delta or Allegiant Air?

    The two airlines most popular with KAYAK users for flights from Knoxville to Jacksonville are Delta and Allegiant Air. With an average price for the route of $370 and an overall rating of 7.9, Delta is the most popular choice. Allegiant Air is also a great choice for the route, with an average price of $96 and an overall rating of 7.2.

  • How does KAYAK find such low prices on flights from Knoxville to Jacksonville?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Knoxville to Jacksonville.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Knoxville to Jacksonville?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Jacksonville from Knoxville is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Knoxville to Jacksonville?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Jacksonville with an airline and back to Knoxville with another airline. Booking your flights between Knoxville and JAX can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Knoxville to Jacksonville?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Jacksonville from Knoxville up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Knoxville to Jacksonville

  • Looking for a cheap flight? 25% of our users found flights on this route for $47 or less one-way and $56 or less round-trip.

Prefer to fly direct from Knoxville to Jacksonville?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Knoxville McGhee Tyson to Jacksonville.
Find which airlines fly direct from Knoxville McGhee Tyson Airport to Jacksonville Airport, which days they fly and book direct flights.

Direct departures

Knoxville McGhee Tyson to Jacksonville

Thursday

Allegiant Air

Allegiant Air

Sunday

Allegiant Air

Allegiant Air

See more direct flights

Direct returns

Jacksonville to Knoxville McGhee Tyson

Thursday

Allegiant Air

Allegiant Air

Sunday

Allegiant Air

Allegiant Air

See more direct flights

Reviews of the top 3 airlines serving from Knoxville to Jacksonville

 
See real verified KAYAK customer reviews for airlines flying from Knoxville to Jacksonville. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Knoxville to Jacksonville? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8121 reviews
7.2Food
7.8Entertainment
8.5Crew
8.1Boarding
7.9Comfort
Airline reviews

The flight was delayed and oversold. I volunteered to give up my seat for compensation. Thinking I could get a good night's sleep instead of arriving home at 2 am. It took over an hour to get the new reservation confirmed, three different gate attendants, and two red coats. It took even longer to confirm the overnight hotel, and when I arrived, the line was 45 minutes long, with two people checking in, and at least 15 people slowly, very slowly—no food except frozen convenience food, no coupon for food from airlines. Slept, headed back to the airport, and that flight had an equipment change and a gate change just as they were about to board. It took an additional hour to board as they cleaned the plane from storage.

2.0 MediocreAnonymous, Jan 2026
ATL - FLL
Read more Delta reviews

The flight was delayed and oversold. I volunteered to give up my seat for compensation. Thinking I could get a good night's sleep instead of arriving home at 2 am. It took over an hour to get the new reservation confirmed, three different gate attendants, and two red coats. It took even longer to confirm the overnight hotel, and when I arrived, the line was 45 minutes long, with two people checking in, and at least 15 people slowly, very slowly—no food except frozen convenience food, no coupon for food from airlines. Slept, headed back to the airport, and that flight had an equipment change and a gate change just as they were about to board. It took an additional hour to board as they cleaned the plane from storage.

No in flight service, no explanation - FC got service, C+ did not, unsure about Economy. No turbulence to speak of, so I guess another way to cut cost, or promote health and well being of Delta employees? Also, boarding in MEM combined zones, and with overhead space already full on both flights after Zone 2/ Diamond, presents a huge challenge to find a space for a bag. Delta, other than point A to B, is no longer reasonable to fly - very poor experiences, not even taking into account the chastising at the gate and rude crews, across the board.

Comfort Plus seat 11E seemed smaller than prior flights. The movie selection is good. Watched most of the most recent Tron movie. I'll watch the remaining part later as my movie is saved in the Delta Seatback Experience.

Delta is a good airline. I've never had an issue with Delta. I'll continue to fly with them until they show me that I shouldn't.

Original flight was cancelled and when i was rebooked by the airline, they couldn't seat me in the same type of seat as I had originally booked (went from window/aisle to middle/middle and one was a bulkhead seat, and other wasn't in the same class)

First, Delta needs more flights to/from Miami. Second, a 1000pm leaving at 1230pm is unacceptable from their biggest airport world hub. Another aircraft could have been used such as the aircraft scheduled to be used in the morning for that exact same route. Yes, I did get me there but the lack of sleep the next day didn't help me enjoy my entire trip since I was busy with activities during the weekend. This can be and is expected from Spirit (going bankrupt) and Frontier (despite they're nickel and dimers). But from Delta's World Hub? That's totally unacceptable!

It would’ve been nice for all that money to have a more substantial snack for free. I remember once upon a time getting a very nice turkey sandwich with Swiss cheese on whole wheat bread for no charge along with a drink. I guess those days are gone. it’s a little insulting being given a cookie or a bag of baked chips Going forward I’ll just bring my own.

Service in business class was not impressive. I ordered coffee with dinner and then watched other people get 2 refills before I got my 1 cup of coffee, and only after I pressed the attendant button overhead. Furthermore, the seats in the forward cabin need maintenance on this 737-800: the upholstery is detaching from the seat frame, at least on the backs of seats 1C, 1D.

I truly love flying with Delta. They have always treated me with the upmost respect

Our flight attendant in FIRST CLASS was one of the worst I’ve ever had. She was not at all pleasant, nor particularly good at her service.

It was a little concerning to hear the ground crew arguing with the flight crew over baggage space. Instead of taking them and checking them, they started checking for space in the first class cabin moving items around like the flight crew didn't know what they were doing. I was embarrassed for them.

On the plus side, crew was attentive, drinks were cold, and in-flight entertainment selection was better than some other airlines. On the negative aide, Plane was delayed almost an hour, either no announcements from the gate crew. Biscoff cookies are gross, appreciate airlines that give a choice. Also, crew had no personality or enthusiasm at all.

UGH I HAD TO MISS MY FIRST FLIGHT TO TAMPA CAUSE OF THE 10 MINUTE DELAY OF THE ORLANDO TO MIAMI ONE SO THEY HAD ME GET ANOTHER TICKET. I AM NOT HAPPY AT ALL BECAUSE IT MADE ME MISS MY CONNECTING FLIGHT FROM TAMPA TO LONDON AND FORCED ME TO MISS A DAY AT MY ROOM IN THE UK.

Wish they didnt delay off-boarding for 10 minutes so i could connect to my flight from miami to tampa

We experienced gate changes and a long delay. My seat was dirty when I boarded and I had to use wipes to clean it myself. There was an unpleasant and overpowering cleaning product scent on the plane as well that lingered through the flight.

I got sick nothing contagious but distressing and the care I received by Kayla? Keighly the flight attendant will be memorable for ever. Thank You

Waaay too small plane. They also need to up the size of the overhead bins. I would love to keep me 3k with of camera equipment in my hard case baggahe instead of it being thrown into the belly of the plane

Attendants were pleasant and the flight was smooth and relaxed.

It was fine. No drinks nor snacks offered though. I thought that was unusual.

Did not get any refreshments. Crew was very nice but limited. Small seats

It was fine. Nobody was outstandingly friendly but no one was rude and everything was smooth . The captain thanked us for flying but no one greeted me as I walked on the plane or as I exited which is the least they could do lol

Clean, friendly, roomy. But check-in from the phone link was terrible. Repeated attempts wouldn’t save at the final step. Just kept spinning! It was very frustrating. Finally, I used the app (vs website link) to check-in which worked very smoothly on the first attempt.

Check in on the web portal was cumbersome! After several attempts I finally got the boarding pass.

Excellent flight and even arrived 23 min early. No entertainment , or wi fi on board, but I downloaded a couple of movies beforehand which kept me entertained. Really like flying Allegiant airlines.

WE were delayed about an hour and never any communications from the employees working the gate. We also were moved to a total of three gates.

I love how they show love to their customers and care about them too.

I liked how when I got on board how fast we ended up taking off but what I truly disliked was how uncomfortable the seats were. There was truly never a time that I could ever get comfortable during both of my flights. The seats could get away during shorter flights but flights 3 hour plus makes it hard to enjoy.

The crew was great and the flight was very smooth. Can’t really judge food since I did not get any because it costs money. The seat was comfortable for what we bought. Thanks!

Crew was great. No entertainment and food and beverage was for purchase only, even water

It was canceled. The flight wasn’t rescheduled, everyone had to figure out their own new arrangements. They said we would get refunded our original fare and receive an additional $150. We received links for $100 only and they expired before we could activate them.

Everything you need to know for your flight from Knoxville to Jacksonville

Information on your arrival and departure airports