Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Jacksonville to Knoxville from $39

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Jacksonville to Knoxville departing on 12/11. 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 Jacksonville to Knoxville

Cheap round-trip flights

Allegiant Air Logo
9:21 pm - 10:42 pmJAX-TYS
1h 21mnonstop
Allegiant Air Logo
1:22 pm - 2:41 pmTYS-JAX
1h 19mnonstop
$82Allegiant Air
Find Deal
Thu, Dec 11 - Sun, Dec 14
Allegiant Air Logo
9:21 pm - 10:42 pmJAX-TYS
1h 21mnonstop
Allegiant Air Logo
1:22 pm - 2:41 pmTYS-JAX
1h 19mnonstop
$88Allegiant Air
Find Deal
Thu, Dec 11 - Sun, Dec 14
Allegiant Air Logo
5:27 pm - 6:45 pmJAX-TYS
1h 18mnonstop
Allegiant Air Logo
3:19 pm - 4:37 pmTYS-JAX
1h 18mnonstop
$91Allegiant Air
Find Deal
Thu, Sep 25 - Sun, Sep 28
Allegiant Air Logo
3:26 pm - 4:44 pmJAX-TYS
1h 18mnonstop
Allegiant Air Logo
1:18 pm - 2:36 pmTYS-JAX
1h 18mnonstop
$96Allegiant Air
Find Deal
Thu, Oct 2 - Thu, Oct 9
Delta Logo
5:10 am - 9:00 amJAX-TYS
3h 50m1 stop
Delta Logo
7:11 am - 10:22 amTYS-JAX
3h 11m1 stop
$165Delta
Find Deal
Wed, Oct 8 - Wed, Oct 15
Logo
5:13 pm - 10:26 pmJAX-TYS
29h 13m2 stops
Logo
9:00 am - 10:18 amTYS-JAX
1h 18mnonstop
$201
Find Deal
Thu, Nov 6 - Sun, Nov 9
Logo
12:38 pm - 9:50 pmJAX-TYS
9h 12m2 stops
Logo
1:18 pm - 2:36 pmTYS-JAX
1h 18mnonstop
$206
Find Deal
Thu, Oct 2 - Thu, Oct 9
American Airlines Logo
8:26 pm - 11:50 pmJAX-TYS
3h 24m1 stop
American Airlines Logo
8:37 pm - 12:33 amTYS-JAX
3h 56m1 stop
$210American Airlines
Find Deal
Sat, Oct 25 - Mon, Oct 27
American Airlines Logo
6:00 am - 9:54 amJAX-TYS
3h 54m1 stop
American Airlines Logo
5:00 am - 8:43 amTYS-JAX
3h 43m1 stop
$212American Airlines
Find Deal
Tue, Dec 16 - Tue, Dec 23
Delta Logo
5:10 am - 9:00 amJAX-TYS
3h 50m1 stop
Delta Logo
8:35 pm - 11:59 pmTYS-JAX
3h 24m1 stop
$246Delta
Find Deal
Wed, Oct 15 - Sun, Oct 19

American Airlines flights from Jacksonville to Knoxville

Our best American Airlines deals on Jacksonville to Knoxville flight tickets
American Airlines
Oct 25
JAX8:26 pmJacksonville
3h 24m
1 stop
TYS11:50 pmKnoxville McGhee Tyson
Oct 27
TYS8:37 pmKnoxville McGhee Tyson
3h 56m
1 stop
JAX12:33 amJacksonville
$210
Find similar
American Airlines
Dec 16
JAX6:00 amJacksonville
3h 54m
1 stop
TYS9:54 amKnoxville McGhee Tyson
Dec 23
TYS5:00 amKnoxville McGhee Tyson
3h 43m
1 stop
JAX8:43 amJacksonville
$212
Find similar
American Airlines
Oct 4
JAX3:25 pmJacksonville
7h 38m
2 stops
TYS11:03 pmKnoxville McGhee Tyson
Oct 6
TYS8:37 pmKnoxville McGhee Tyson
3h 56m
1 stop
JAX12:33 amJacksonville
$305
Find similar

Allegiant Air flights from Jacksonville to Knoxville

Our best Allegiant Air deals on Jacksonville to Knoxville flight tickets
Allegiant Air
Dec 11
JAX9:21 pmJacksonville
1h 21m
TYS10:42 pmKnoxville McGhee Tyson
Dec 14
TYS1:22 pmKnoxville McGhee Tyson
1h 19m
JAX2:41 pmJacksonville
$82
Find similar
Allegiant Air
Dec 11
JAX9:21 pmJacksonville
1h 21m
TYS10:42 pmKnoxville McGhee Tyson
Dec 14
TYS1:22 pmKnoxville McGhee Tyson
1h 19m
JAX2:41 pmJacksonville
$88
Find similar
Allegiant Air
Sep 25
JAX5:27 pmJacksonville
1h 18m
TYS6:45 pmKnoxville McGhee Tyson
Sep 28
TYS3:19 pmKnoxville McGhee Tyson
1h 18m
JAX4:37 pmJacksonville
$91
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Jacksonville to Knoxville 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 11, 2025.
Use the filters below to find and compare flights from Jacksonville to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Thu 12/11

9:21 pm-10:42 pm

Nonstop1h 21m

Knoxville McGhee Tyson

Sun 12/14

1:22 pm-2:41 pm

Nonstop1h 19m

$82

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Thu 12/11

9:21 pm-10:42 pm

Nonstop1h 21m

Knoxville McGhee Tyson

Sun 12/14

1:22 pm-2:41 pm

Nonstop1h 19m

$88

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Thu 9/25

5:27 pm-6:45 pm

Nonstop1h 18m

Knoxville McGhee Tyson

Sun 9/28

3:19 pm-4:37 pm

Nonstop1h 18m

$91

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Thu 10/2

3:26 pm-4:44 pm

Nonstop1h 18m

Knoxville McGhee Tyson

Thu 10/9

1:18 pm-2:36 pm

Nonstop1h 18m

$96

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Wed 10/8

5:10 am-9:00 am

1 stop3h 50m

Knoxville McGhee Tyson

Wed 10/15

7:11 am-10:22 am

1 stop3h 11m

$165

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Thu 11/6

5:13 pm-10:26 pm

2 stops29h 13m

Knoxville McGhee Tyson

Sun 11/9

9:00 am-10:18 am

Nonstop1h 18m

$201

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Thu 10/2

12:38 pm-9:50 pm

2 stops9h 12m

Knoxville McGhee Tyson

Thu 10/9

1:18 pm-2:36 pm

Nonstop1h 18m

$206

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Sat 10/25

8:26 pm-11:50 pm

1 stop3h 24m

Knoxville McGhee Tyson

Mon 10/27

8:37 pm-12:33 am

1 stop3h 56m

$210

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Tue 12/16

6:00 am-9:54 am

1 stop3h 54m

Knoxville McGhee Tyson

Tue 12/23

5:00 am-8:43 am

1 stop3h 43m

$212

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Wed 10/15

5:10 am-9:00 am

1 stop3h 50m

Knoxville McGhee Tyson

Sun 10/19

8:35 pm-11:59 pm

1 stop3h 24m

$246

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to Knoxville from

How to get the cheapest flight ticket from Jacksonville to Knoxville

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 Knoxville?

The month of July is, on average, the cheapest month to fly to Knoxville from Jacksonville, with most prices found around $88. If you aren’t able to travel during the month of July, then book flights to Knoxville from Jacksonville during August instead. Flights to Knoxville in August, while not as cheap as those in July, still average around $89.

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

The cheapest day to depart from Jacksonville to Knoxville is on a Monday. Travelers who choose to depart for Knoxville on a Monday will often find tickets for as low as $90. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Jacksonville to Knoxville for around $249.

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

In the evening is the cheapest time of day to fly from Jacksonville to Knoxville when you can find flight prices for as low as $92. Flying to Knoxville in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is at noon when prices are around $527.

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

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

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

You are more likely to see cheaper flights to Knoxville from Jacksonville when booking weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $150 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Jacksonville for as low as $68 on momondo.

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

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

How have Jacksonville to Knoxville flight prices changed over time?

As of September 2025, prices for Jacksonville to Knoxville flights are approximately 68% cheaper when compared to flights at the same time last year.

When to book flights from Jacksonville to Knoxville

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

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

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

Best Price Found

$42

Fastest flight time

1h 18m

Direct flights

Mon, Wed and Fri

Airports in Knoxville

1 airport
The best one-way flight to Knoxville from Jacksonville in the past 72 hours is $42. The best round-trip flight deal from Jacksonville to Knoxville found on momondo in the last 72 hours is $76.
The fastest flight from Jacksonville to Knoxville takes 1h 18m
Direct flights go from Jacksonville to Knoxville on Monday, Wednesday and Friday. The only airline offering direct flights is Allegiant Air.
There is 1 airport near Knoxville: Knoxville McGhee Tyson (TYS)
Search flight deals

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

    A flight from Jacksonville to Knoxville McGhee Tyson will travel around 410.0 mi. 1h 18m is a normal flight duration for this route.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Jacksonville Airport to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The necessary travel and health documents for your Knoxville McGhee Tyson Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from Jacksonville to Knoxville

Compare and see reviews for airlines that fly from Jacksonville to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $58Free CancellationRating
7.2
702 reviews
Search Allegiant Air flights
DeltaPriceFrom $239Free CancellationRating
7.9
7,960 reviews
Search Delta flights
American AirlinesPriceFrom $260Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • Allegiant Air Flights From Jacksonville to Knoxville

    Allegiant Air flight deals from Jacksonville to Knoxville start from $58 round-trip. Over the 2 Allegiant Air flights for this route in a normal week, average airfare is usually $93 round-trip - but some users have found much cheaper deals with momondo.

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Crossville
Maryville
Murphy
Alcoa
Newport
Lenoir City
Oak Ridge
Kodak
Dandridge
Clinton
Jefferson City
Rockford

Why use momondo?

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

It is quick and easy to find Jacksonville to Knoxville flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Knoxville that suits you.

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

momondo does allow users to show only those flights to Knoxville from Jacksonville which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Knoxville from Jacksonville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Knoxville from Jacksonville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Knoxville 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
Sat 10/11
Sat 10/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States