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Cheap flights from Knoxville to Jacksonville from $56

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Jacksonville departing on 11/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
1:20 pm - 2:36 pmTYS-JAX
1h 16mnonstop
Allegiant Air Logo
9:07 pm - 10:26 pmJAX-TYS
1h 19mnonstop
$95Allegiant Air
Find Deal
Thu, Nov 20 - Thu, Nov 20
Allegiant Air Logo
11:55 am - 1:17 pmTYS-JAX
1h 22mnonstop
Allegiant Air Logo
7:16 pm - 8:42 pmJAX-TYS
1h 26mnonstop
$114Allegiant Air
Find Deal
Sun, Mar 15 - Sun, Mar 22
Multiple Airlines Logo
1:05 pm - 8:53 amTYS-JAX
19h 48m3 stops
Multiple Airlines Logo
9:21 pm - 10:42 pmJAX-TYS
1h 21mnonstop
$222Multiple Airlines
Find Deal
Fri, Dec 12 - Sun, Dec 14
Multiple Airlines Logo
12:53 pm - 12:31 pmTYS-JAX
23h 38m3 stops
Multiple Airlines Logo
9:21 pm - 10:42 pmJAX-TYS
1h 21mnonstop
$264Multiple Airlines
Find Deal
Wed, Dec 3 - Thu, Dec 4
American Airlines Logo
5:15 am - 10:02 amTYS-JAX
4h 47m1 stop
American Airlines Logo
7:25 pm - 11:47 pmJAX-TYS
4h 22m1 stop
$308American Airlines
Find Deal
Wed, Dec 24 - Sun, Dec 28
Delta Logo
5:30 am - 10:22 amTYS-JAX
4h 52m1 stop
Delta Logo
8:10 pm - 11:44 pmJAX-TYS
3h 34m1 stop
$322Delta
Find Deal
Tue, Mar 17 - Sun, Mar 22
American Airlines Logo
6:05 am - 9:55 amTYS-JAX
3h 50m1 stop
American Airlines Logo
6:14 pm - 11:57 pmJAX-TYS
5h 43m1 stop
$357American Airlines
Find Deal
Fri, Dec 12 - Fri, Dec 12
Delta Logo
6:55 am - 10:17 amTYS-JAX
3h 22m1 stop
Delta Logo
11:26 am - 3:21 pmJAX-TYS
3h 55m1 stop
$388Delta
Find Deal
Thu, Jan 15 - Sun, Jan 18
United Airlines Logo
5:45 am - 8:10 pmTYS-JAX
14h 25m1 stop
United Airlines Logo
1:55 pm - 11:59 pmJAX-TYS
10h 04m1 stop
$517United Airlines
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Thu, Nov 20 - Mon, Nov 24
United Airlines Logo
9:30 am - 10:52 pmTYS-JAX
13h 22m2 stops
United Airlines Logo
1:45 pm - 10:57 amJAX-TYS
21h 12m1 stop
$522United Airlines
Find Deal
Thu, Jan 15 - Sun, Jan 18

Allegiant Air flights from Knoxville to Jacksonville

Our best Allegiant Air deals on Knoxville to Jacksonville flight tickets
Allegiant Air
Nov 20
TYS1:20 pmKnoxville McGhee Tyson
1h 16m
JAX2:36 pmJacksonville
Nov 20
JAX9:07 pmJacksonville
1h 19m
TYS10:26 pmKnoxville McGhee Tyson
$95
Find similar
Allegiant Air
Mar 15
TYS11:55 amKnoxville McGhee Tyson
1h 22m
JAX1:17 pmJacksonville
Mar 22
JAX7:16 pmJacksonville
1h 26m
TYS8:42 pmKnoxville McGhee Tyson
$114
Find similar
Allegiant Air
Mar 15
TYS11:55 amKnoxville McGhee Tyson
1h 22m
JAX1:17 pmJacksonville
Mar 22
JAX7:16 pmJacksonville
1h 26m
TYS8:42 pmKnoxville McGhee Tyson
$119
Find similar

American Airlines flights from Knoxville to Jacksonville

Our best American Airlines deals on Knoxville to Jacksonville flight tickets
American Airlines
Dec 24
TYS5:15 amKnoxville McGhee Tyson
4h 47m
1 stop
JAX10:02 amJacksonville
Dec 28
JAX7:25 pmJacksonville
4h 22m
1 stop
TYS11:47 pmKnoxville McGhee Tyson
$308
Find similar
American Airlines
Dec 12
TYS6:05 amKnoxville McGhee Tyson
3h 50m
1 stop
JAX9:55 amJacksonville
Dec 12
JAX6:14 pmJacksonville
5h 43m
1 stop
TYS11:57 pmKnoxville McGhee Tyson
$357
Find similar
American Airlines
Nov 15
TYS1:25 pmKnoxville McGhee Tyson
3h 44m
1 stop
JAX5:09 pmJacksonville
Nov 18
JAX6:00 amJacksonville
5h 46m
1 stop
TYS11:46 amKnoxville McGhee Tyson
$369
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Knoxville to Jacksonville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 1, 2025.
Use the filters below to find and compare flights from Knoxville to Jacksonville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Thu 11/20

1:20 pm-2:36 pm

Nonstop1h 16m

Jacksonville

Thu 11/20

9:07 pm-10:26 pm

Nonstop1h 19m

$95

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Sun 3/15

11:55 am-1:17 pm

Nonstop1h 22m

Jacksonville

Sun 3/22

7:16 pm-8:42 pm

Nonstop1h 26m

$114

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Fri 12/12

1:05 pm-8:53 am

3 stops19h 48m

Jacksonville

Sun 12/14

9:21 pm-10:42 pm

Nonstop1h 21m

$222

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Wed 12/3

12:53 pm-12:31 pm

3 stops23h 38m

Jacksonville

Thu 12/4

9:21 pm-10:42 pm

Nonstop1h 21m

$264

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Wed 12/24

5:15 am-10:02 am

1 stop4h 47m

Jacksonville

Sun 12/28

7:25 pm-11:47 pm

1 stop4h 22m

$308

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Tue 3/17

5:30 am-10:22 am

1 stop4h 52m

Jacksonville

Sun 3/22

8:10 pm-11:44 pm

1 stop3h 34m

$322

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Fri 12/12

6:05 am-9:55 am

1 stop3h 50m

Jacksonville

Fri 12/12

6:14 pm-11:57 pm

1 stop5h 43m

$357

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Thu 1/15

6:55 am-10:17 am

1 stop3h 22m

Jacksonville

Sun 1/18

11:26 am-3:21 pm

1 stop3h 55m

$388

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Thu 11/20

5:45 am-8:10 pm

1 stop14h 25m

Jacksonville

Mon 11/24

1:55 pm-11:59 pm

1 stop10h 04m

$517

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Thu 1/15

9:30 am-10:52 pm

2 stops13h 22m

Jacksonville

Sun 1/18

1:45 pm-10:57 am

1 stop21h 12m

$522

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Jacksonville from

How to get the cheapest flight ticket from Knoxville to Jacksonville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Jacksonville?

If you are unable to visit Jacksonville during the month of February, then departing from Knoxville during the month June is also very affordable. Most momondo users find prices during this month for around $126.

What is the cheapest day to depart on your flight to Jacksonville?

According to our data, Friday is the cheapest day to fly to Jacksonville from Knoxville. The lowest ticket price found for a Friday departure recently was $90. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Tuesday is the most expensive day to depart from Knoxville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $180.

What is the cheapest time of day to depart on your flight to Jacksonville?

Flying to Jacksonville from Knoxville at noon is the least expensive time of day to depart. momondo users have found prices as low as $90 when looking at flights departing at noon. Flights to Jacksonville are more costly in the afternoon, with an average ticket price of $102. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Knoxville McGhee Tyson to Jacksonville flight route?

Fly from Knoxville McGhee Tyson to Jacksonville for the best Knoxville McGhee Tyson - Jacksonville flight prices

How far in advance should I book a flight to Jacksonville?

You are more likely to see cheaper flights to Jacksonville from Knoxville when booking weeks ahead of your departure date. In general, you can expect to find flights to Jacksonville for around $195 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Jacksonville from Knoxville for as low as $117 on momondo.

What cabin class options are available on Knoxville McGhee Tyson to Jacksonville flights?

There is only 1 cabin class available to choose from on Knoxville McGhee Tyson to Jacksonville flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Knoxville to Jacksonville flight prices changed over time?

As of November 2025, prices for Knoxville to Jacksonville flights are approximately 76% cheaper when compared to flights at the same time last year.

When to book flights from Knoxville to Jacksonville

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to Jacksonville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Knoxville to Jacksonville (TYS to JAX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Jacksonville

Best Price Found

$110

Fastest flight time

1h 16m

Direct flights

Mon and Fri

Airports in Jacksonville

1 airport
The best flight deal from Knoxville to Jacksonville found on momondo in the last 72 hours is $110
The fastest flight from Knoxville to Jacksonville takes 1h 16m
Direct flights go from Knoxville to Jacksonville on Monday and Friday. There are no airlines offering direct flights.
There is 1 airport near Jacksonville: Jacksonville (JAX)
Search flight deals

  • How far is Knoxville McGhee Tyson to Jacksonville by plane?

    There are 410.0 mi between Knoxville McGhee Tyson and Jacksonville. In terms of flight time, this usually takes a little over 1h 16m.

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Jacksonville Airport?

    Prices for flights from Knoxville McGhee Tyson Airport to Jacksonville Airport were last updated today.

  • How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Jacksonville Airport?

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Jacksonville Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Jacksonville Airport.

  • What documentation or ID do you need to fly to Jacksonville Airport?

    The travel and health documents you'll need for your trip to Jacksonville Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Jacksonville Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Knoxville to Jacksonville?

  • What is the most popular airline from Knoxville to Jacksonville?

Best airlines flying from Knoxville to Jacksonville

Compare and see reviews for airlines that fly from Knoxville to Jacksonville with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $76Free CancellationRating
7.2
694 reviews
Search Allegiant Air flights
DeltaPriceFrom $258Free CancellationRating
7.9
7,995 reviews
Search Delta flights
American AirlinesPriceFrom $282Free CancellationRating
7.2
11,030 reviews
Search American Airlines flights

Traveling to a place near Jacksonville?

Book flights to Jacksonville if you plan to visit one of these locations
Fernandina Beach
Jacksonville Beach
Orange Park
Ponte Vedra Beach
Kingsland
Waycross
Atlantic Beach
Neptune Beach
St Johns
Yulee
Cumberland Island

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Jacksonville?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Jacksonville from Knoxville.

Can I find flights from Knoxville to Jacksonville with flexible booking policies on momondo?

Flights from Knoxville to Jacksonville with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Knoxville to Jacksonville?

momondo helps you find the best flight between Knoxville and Jacksonville by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Knoxville to Jacksonville right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Jacksonville, momondo offers a useful price alert feature which will track prices for flights to Jacksonville from Knoxville and alert you when they change.

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