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Cheap flights from Knoxville to Jacksonville from $37

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 4/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Knoxville to Jacksonville

Cheap round-trip flights

Enter your travel dates to find the best prices.
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
$67Allegiant 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
$68Allegiant Air
Thu, Apr 16 - Sun, Apr 19
Allegiant Air Logo
8:20 am - 9:40 am
TYS
-
JAX
1h 20mnonstop
Allegiant Air Logo
8:34 pm - 9:57 pm
JAX
-
TYS
1h 23mnonstop
$77Allegiant Air
Sun, Apr 5 - Thu, Apr 9
Allegiant Air Logo
8:20 am - 9:40 am
TYS
-
JAX
1h 20mnonstop
Allegiant Air Logo
8:34 pm - 9:57 pm
JAX
-
TYS
1h 23mnonstop
$79Allegiant Air
Sun, Apr 5 - Thu, Apr 9
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
$84Allegiant Air
Thu, Apr 9 - Sun, Apr 12
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
$90Allegiant Air
Thu, Apr 9 - Sun, Apr 12
Allegiant Air Logo
11:05 am - 12:27 pm
TYS
-
JAX
1h 22mnonstop
Allegiant Air Logo
7:12 pm - 8:38 pm
JAX
-
TYS
1h 26mnonstop
$114Allegiant Air
Thu, Mar 26 - Sun, Mar 29
Multiple Airlines Logo
4:25 pm - 5:08 pm
TYS
-
JAX
24h 43m
2 stops
Multiple Airlines Logo
8:34 pm - 9:57 pm
JAX
-
TYS
1h 23mnonstop
$198Multiple Airlines
Wed, Apr 15 - Sun, Apr 19
Multiple Airlines Logo
9:32 pm - 5:40 pm
TYS
-
JAX
20h 08m
2 stops
Multiple Airlines Logo
8:34 pm - 9:57 pm
JAX
-
TYS
1h 23mnonstop
$210Multiple Airlines
Thu, Apr 16 - Sun, Apr 19
Multiple Airlines Logo
12:27 pm - 1:47 pm
TYS
-
JAX
1h 20mnonstop
Multiple Airlines Logo
9:03 pm - 10:41 am
JAX
-
TYS
37h 38m
2 stops
$213Multiple Airlines
Fri, May 29 - Sun, May 31

Southwest flights from Knoxville to Jacksonville

Our best Southwest deals on Knoxville to Jacksonville flight tickets
Southwest
Jun 3
TYS8:15 amKnoxville McGhee Tyson
5h 25m
1 stop
JAX1:40 pmJacksonville
Jun 10
JAX6:45 amJacksonville
10h 15m
2 stops
TYS5:00 pmKnoxville McGhee Tyson
$282
Southwest
Jun 3
TYS7:05 amKnoxville McGhee Tyson
8h 20m
2 stops
JAX3:25 pmJacksonville
Jun 10
JAX11:05 amJacksonville
9h 15m
2 stops
TYS8:20 pmKnoxville McGhee Tyson
$287
Southwest
Apr 22
TYS5:50 pmKnoxville McGhee Tyson
3h 40m
1 stop
JAX9:30 pmJacksonville
Apr 25
JAX8:40 amJacksonville
9h 50m
2 stops
TYS6:30 pmKnoxville McGhee Tyson
$288

Allegiant Air flights from Knoxville to Jacksonville

Our best Allegiant Air deals on Knoxville to Jacksonville flight tickets
Allegiant Air
Apr 12
TYS12:37 pmKnoxville McGhee Tyson
1h 22m
JAX1:59 pmJacksonville
Apr 16
JAX8:34 pmJacksonville
1h 23m
TYS9:57 pmKnoxville McGhee Tyson
$67
Allegiant Air
Apr 16
TYS12:37 pmKnoxville McGhee Tyson
1h 22m
JAX1:59 pmJacksonville
Apr 19
JAX8:34 pmJacksonville
1h 23m
TYS9:57 pmKnoxville McGhee Tyson
$68
Allegiant Air
Apr 5
TYS8:20 amKnoxville McGhee Tyson
1h 20m
JAX9:40 amJacksonville
Apr 9
JAX8:34 pmJacksonville
1h 23m
TYS9:57 pmKnoxville McGhee Tyson
$77

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 March 17, 2026.
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

Cheapest round-trip

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Sun 4/12

12:37 pm-1:59 pm

Nonstop1h 22m

Jacksonville

Thu 4/16

8:34 pm-9:57 pm

Nonstop1h 23m

$67

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Thu 4/16

12:37 pm-1:59 pm

Nonstop1h 22m

Jacksonville

Sun 4/19

8:34 pm-9:57 pm

Nonstop1h 23m

$68
Quickest round-trip

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Sun 4/5

8:20 am-9:40 am

Nonstop1h 20m

Jacksonville

Thu 4/9

8:34 pm-9:57 pm

Nonstop1h 23m

$77

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Sun 4/5

8:20 am-9:40 am

Nonstop1h 20m

Jacksonville

Thu 4/9

8:34 pm-9:57 pm

Nonstop1h 23m

$79

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Thu 4/9

12:37 pm-1:59 pm

Nonstop1h 22m

Jacksonville

Sun 4/12

8:34 pm-9:57 pm

Nonstop1h 23m

$84

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Thu 4/9

12:37 pm-1:59 pm

Nonstop1h 22m

Jacksonville

Sun 4/12

8:34 pm-9:57 pm

Nonstop1h 23m

$90

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Thu 3/26

11:05 am-12:27 pm

Nonstop1h 22m

Jacksonville

Sun 3/29

7:12 pm-8:38 pm

Nonstop1h 26m

$114

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Wed 4/15

4:25 pm-5:08 pm

2 stops24h 43m

Jacksonville

Sun 4/19

8:34 pm-9:57 pm

Nonstop1h 23m

$198

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Thu 4/16

9:32 pm-5:40 pm

2 stops20h 08m

Jacksonville

Sun 4/19

8:34 pm-9:57 pm

Nonstop1h 23m

$210

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Fri 5/29

12:27 pm-1:47 pm

Nonstop1h 20m

Jacksonville

Sun 5/31

9:03 pm-10:41 am

2 stops37h 38m

$213

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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 June, then departing from Knoxville during the month April is also very affordable. Most momondo users find prices during this month for around $104.

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

According to our data, Wednesday is the cheapest day to fly to Jacksonville from Knoxville. The lowest ticket price found for a Wednesday departure recently was $56. 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, Saturday 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 $220.

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

Flying to Jacksonville from Knoxville in the morning is the least expensive time of day to depart. momondo users have found prices as low as $91 when looking at flights departing in the morning. Flights to Jacksonville are more costly in the evening, with an average ticket price of $106. Departure times in the evening 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

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 March 2026, prices for Knoxville to Jacksonville flights are approximately 42% 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

$84

Fastest flight time

1h 22m

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 $84
The fastest flight from Knoxville to Jacksonville takes 1h 22m
Direct flights go from Knoxville to Jacksonville on Monday and Friday. The only airline offering direct flights is Allegiant Air.
There is 1 airport in Jacksonville. From Knoxville there are direct flights to 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 22m.

  • 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
7.3
712 reviews
Search Allegiant Air flights
DeltaPriceFrom $212Free CancellationRating
7.9
8,288 reviews
Search Delta flights
American AirlinesPriceFrom $282Free CancellationRating
7.1
11,466 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
Kingsland
Ponte Vedra Beach
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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