Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Knoxville to Jacksonville from $47

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 11/13. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Knoxville to Jacksonville

Cheap round-trip flights

Allegiant Air Logo
1:22 pm - 2:41 pmTYS-JAX
1h 19mnonstop
Allegiant Air Logo
9:21 pm - 10:42 pmJAX-TYS
1h 21mnonstop
$87Allegiant Air
Find Deal
Thu, Dec 4 - Sun, Dec 7
Allegiant Air Logo
3:19 pm - 4:37 pmTYS-JAX
1h 18mnonstop
Allegiant Air Logo
3:26 pm - 4:44 pmJAX-TYS
1h 18mnonstop
$95Allegiant Air
Find Deal
Sun, Sep 28 - Thu, Oct 2
Logo
3:19 pm - 4:37 pmTYS-JAX
1h 18mnonstop
Logo
12:38 pm - 2:30 pmJAX-TYS
25h 52m2 stops
$178
Find Deal
Sun, Sep 28 - Thu, Oct 2
Logo
4:47 pm - 7:05 pmTYS-JAX
26h 18m2 stops
Logo
9:21 pm - 10:42 pmJAX-TYS
1h 21mnonstop
$199
Find Deal
Thu, Dec 4 - Sun, Dec 7
Delta Logo
7:59 pm - 11:03 pmTYS-JAX
3h 04m1 stop
Delta Logo
11:49 am - 2:51 pmJAX-TYS
3h 02m1 stop
$291Delta
Find Deal
Fri, Dec 12 - Sun, Dec 14
American Airlines Logo
5:07 pm - 12:05 amTYS-JAX
6h 58m1 stop
American Airlines Logo
7:25 pm - 10:51 pmJAX-TYS
3h 26m1 stop
$293American Airlines
Find Deal
Thu, Nov 6 - Tue, Nov 11
Delta Logo
6:15 am - 10:06 amTYS-JAX
3h 51m1 stop
Delta Logo
5:10 am - 10:45 amJAX-TYS
5h 35m1 stop
$327Delta
Find Deal
Sat, Oct 18 - Mon, Oct 20
American Airlines Logo
5:05 am - 10:20 amTYS-JAX
5h 15m1 stop
American Airlines Logo
11:17 am - 2:39 pmJAX-TYS
3h 22m1 stop
$358American Airlines
Find Deal
Sat, Sep 27 - Mon, Sep 29
United Airlines Logo
9:50 am - 11:12 amTYS-JAX
25h 22m1 stop
United Airlines Logo
4:16 pm - 10:48 amJAX-TYS
18h 32m2 stops
$520United Airlines
Find Deal
Fri, Nov 14 - Tue, Nov 18
United Airlines Logo
7:26 pm - 2:56 pmTYS-JAX
19h 30m1 stop
United Airlines Logo
6:51 pm - 10:29 amJAX-TYS
15h 38m1 stop
$547United Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4

Allegiant Air flights from Knoxville to Jacksonville

Our best Allegiant Air deals on Knoxville to Jacksonville flight tickets
Allegiant Air
Dec 4
TYS1:22 pmKnoxville McGhee Tyson
1h 19m
JAX2:41 pmJacksonville
Dec 7
JAX9:21 pmJacksonville
1h 21m
TYS10:42 pmKnoxville McGhee Tyson
$87
Find similar
Allegiant Air
Sep 28
TYS3:19 pmKnoxville McGhee Tyson
1h 18m
JAX4:37 pmJacksonville
Oct 2
JAX3:26 pmJacksonville
1h 18m
TYS4:44 pmKnoxville McGhee Tyson
$95
Find similar
Allegiant Air
Sep 18
TYS3:19 pmKnoxville McGhee Tyson
1h 18m
JAX4:37 pmJacksonville
Sep 25
JAX5:27 pmJacksonville
1h 18m
TYS6:45 pmKnoxville McGhee Tyson
$130
Find similar

American Airlines flights from Knoxville to Jacksonville

Our best American Airlines deals on Knoxville to Jacksonville flight tickets
American Airlines
Nov 6
TYS5:07 pmKnoxville McGhee Tyson
6h 58m
1 stop
JAX12:05 amJacksonville
Nov 11
JAX7:25 pmJacksonville
3h 26m
1 stop
TYS10:51 pmKnoxville McGhee Tyson
$293
Find similar
American Airlines
Sep 17
TYS8:23 amKnoxville McGhee Tyson
5h 53m
1 stop
JAX2:16 pmJacksonville
Sep 20
JAX4:35 pmJacksonville
6h 28m
1 stop
TYS11:03 pmKnoxville McGhee Tyson
$329
Find similar
American Airlines
Sep 17
TYS2:08 pmKnoxville McGhee Tyson
6h 47m
1 stop
JAX8:55 pmJacksonville
Sep 24
JAX6:00 amJacksonville
7h 43m
2 stops
TYS1:43 pmKnoxville McGhee Tyson
$334
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 September 15, 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 12/4

1:22 pm-2:41 pm

Nonstop1h 19m

Jacksonville

Sun 12/7

9:21 pm-10:42 pm

Nonstop1h 21m

$87

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Sun 9/28

3:19 pm-4:37 pm

Nonstop1h 18m

Jacksonville

Thu 10/2

3:26 pm-4:44 pm

Nonstop1h 18m

$95

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Sun 9/28

3:19 pm-4:37 pm

Nonstop1h 18m

Jacksonville

Thu 10/2

12:38 pm-2:30 pm

2 stops25h 52m

$178

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Thu 12/4

4:47 pm-7:05 pm

2 stops26h 18m

Jacksonville

Sun 12/7

9:21 pm-10:42 pm

Nonstop1h 21m

$199

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Fri 12/12

7:59 pm-11:03 pm

1 stop3h 04m

Jacksonville

Sun 12/14

11:49 am-2:51 pm

1 stop3h 02m

$291

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Thu 11/6

5:07 pm-12:05 am

1 stop6h 58m

Jacksonville

Tue 11/11

7:25 pm-10:51 pm

1 stop3h 26m

$293

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Sat 10/18

6:15 am-10:06 am

1 stop3h 51m

Jacksonville

Mon 10/20

5:10 am-10:45 am

1 stop5h 35m

$327

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Sat 9/27

5:05 am-10:20 am

1 stop5h 15m

Jacksonville

Mon 9/29

11:17 am-2:39 pm

1 stop3h 22m

$358

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Fri 11/14

9:50 am-11:12 am

1 stop25h 22m

Jacksonville

Tue 11/18

4:16 pm-10:48 am

2 stops18h 32m

$520

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Tue 9/30

7:26 pm-2:56 pm

1 stop19h 30m

Jacksonville

Sat 10/4

6:51 pm-10:29 am

1 stop15h 38m

$547

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, Saturday is the cheapest day to fly to Jacksonville from Knoxville. The lowest ticket price found for a Saturday departure recently was $86. 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, Sunday 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 $104.

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

Flying to Jacksonville from Knoxville in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $86 when looking at flights departing in the afternoon. Flights to Jacksonville are more costly in the morning, with an average ticket price of $95. Departure times in the morning 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 $202 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 $113 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 September 2025, prices for Knoxville to Jacksonville flights are approximately 73% 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

$78

Fastest flight time

1h 18m

Direct flights

Mon, Wed and Fri

Airports in Jacksonville

1 airport
The best one-way flight to Jacksonville from Knoxville in the past 72 hours is $78. The best round-trip flight deal from Knoxville to Jacksonville found on momondo in the last 72 hours is $52.
The fastest flight from Knoxville to Jacksonville takes 1h 18m
Direct flights go from Knoxville to Jacksonville on Monday, Wednesday and Friday. The only airline offering direct flights is Allegiant Air.
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 18m.

  • 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
699 reviews
Search Allegiant Air flights
DeltaPriceFrom $258Free CancellationRating
7.9
7,954 reviews
Search Delta flights
American AirlinesPriceFrom $282Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • Allegiant Air Flights From Knoxville to Jacksonville

    The lowest priced Allegiant Air flight from Knoxville to Jacksonville from the last 72 hours was $76. Generally, Allegiant Air has 2 flights on this route every week with an average price of $93. Allegiant Air is rated 7.2/10 by our users.

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.

An easier way to manage your Jacksonville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 10/15
Wed 10/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States