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Cheap flights from Jacksonville to Knoxville from $81

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 2/1. 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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0 bags

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Find the cheapest flights from Jacksonville to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
8:02 pm - 9:21 pm
JAX
-
TYS
1h 19mnonstop
Allegiant Air Logo
11:50 am - 1:16 pm
TYS
-
JAX
1h 26mnonstop
$94Allegiant Air
Sun, Feb 22 - Thu, Feb 26
Allegiant Air Logo
7:59 pm - 9:18 pm
JAX
-
TYS
1h 19mnonstop
Allegiant Air Logo
11:54 am - 1:16 pm
TYS
-
JAX
1h 22mnonstop
$109Allegiant Air
Thu, Feb 26 - Thu, Mar 5
Allegiant Air Logo
8:01 pm - 9:27 pm
JAX
-
TYS
1h 26mnonstop
Allegiant Air Logo
11:55 am - 1:17 pm
TYS
-
JAX
1h 22mnonstop
$120Allegiant Air
Thu, Mar 12 - Sun, Mar 15
Multiple Airlines Logo
8:02 pm - 9:21 pm
JAX
-
TYS
1h 19mnonstop
Multiple Airlines Logo
6:30 am - 7:17 pm
TYS
-
JAX
36h 47m
2 stops
$170Multiple Airlines
Sun, Feb 22 - Thu, Feb 26
Allegiant Air Logo
8:01 pm - 9:27 pm
JAX
-
TYS
1h 26mnonstop
Allegiant Air Logo
11:54 am - 1:16 pm
TYS
-
JAX
1h 22mnonstop
$181Allegiant Air
Thu, Mar 5 - Sun, Mar 8
Multiple Airlines Logo
8:01 pm - 9:27 pm
JAX
-
TYS
1h 26mnonstop
Multiple Airlines Logo
6:30 am - 5:08 pm
TYS
-
JAX
34h 38m
2 stops
$195Multiple Airlines
Thu, Mar 12 - Sun, Mar 15
Multiple Airlines Logo
7:53 pm - 10:08 am
JAX
-
TYS
38h 15m
2 stops
Multiple Airlines Logo
11:50 am - 1:19 pm
TYS
-
JAX
1h 29mnonstop
$196Multiple Airlines
Mon, Feb 16 - Sun, Feb 22
Multiple Airlines Logo
8:12 pm - 1:02 pm
JAX
-
TYS
16h 50m
2 stops
Multiple Airlines Logo
11:50 am - 1:16 pm
TYS
-
JAX
1h 26mnonstop
$206Multiple Airlines
Fri, Feb 27 - Sun, Mar 1
Multiple Airlines Logo
8:01 pm - 9:27 pm
JAX
-
TYS
1h 26mnonstop
Multiple Airlines Logo
7:20 am - 7:33 pm
TYS
-
JAX
36h 13m
2 stops
$209Multiple Airlines
Thu, Mar 5 - Sun, Mar 8
Southwest Logo
1:15 pm - 7:40 pm
JAX
-
TYS
6h 25m
1 stop
Southwest Logo
6:35 am - 10:05 am
TYS
-
JAX
3h 30m
1 stop
$218Southwest
Wed, Apr 15 - Mon, Apr 20

American Airlines flights from Jacksonville to Knoxville

Our best American Airlines deals on Jacksonville to Knoxville flight tickets
American Airlines
May 1
JAX8:19 pmJacksonville
3h 36m
1 stop
TYS11:55 pmKnoxville McGhee Tyson
May 9
TYS5:00 amKnoxville McGhee Tyson
4h 03m
1 stop
JAX9:03 amJacksonville
$295
American Airlines
Jul 8
JAX7:59 pmJacksonville
3h 50m
1 stop
TYS11:49 pmKnoxville McGhee Tyson
Jul 13
TYS8:11 pmKnoxville McGhee Tyson
3h 47m
1 stop
JAX11:58 pmJacksonville
$335
American Airlines
Apr 20
JAX8:19 pmJacksonville
3h 36m
1 stop
TYS11:55 pmKnoxville McGhee Tyson
Apr 24
TYS5:00 amKnoxville McGhee Tyson
4h 03m
1 stop
JAX9:03 amJacksonville
$355

Southwest flights from Jacksonville to Knoxville

Our best Southwest deals on Jacksonville to Knoxville flight tickets
Southwest
Apr 15
JAX1:15 pmJacksonville
6h 25m
1 stop
TYS7:40 pmKnoxville McGhee Tyson
Apr 20
TYS6:35 amKnoxville McGhee Tyson
3h 30m
1 stop
JAX10:05 amJacksonville
$218
Southwest
Apr 15
JAX1:15 pmJacksonville
7h 35m
2 stops
TYS8:50 pmKnoxville McGhee Tyson
Apr 20
TYS6:45 pmKnoxville McGhee Tyson
4h 10m
1 stop
JAX10:55 pmJacksonville
$223
Southwest
Apr 15
JAX6:05 amJacksonville
8h 15m
2 stops
TYS2:20 pmKnoxville McGhee Tyson
Apr 20
TYS6:35 amKnoxville McGhee Tyson
9h 45m
2 stops
JAX4:20 pmJacksonville
$228

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 January 29, 2026.
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

Sun 2/22

8:02 pm-9:21 pm

Nonstop1h 19m

Knoxville McGhee Tyson

Thu 2/26

11:50 am-1:16 pm

Nonstop1h 26m

$94

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Thu 2/26

7:59 pm-9:18 pm

Nonstop1h 19m

Knoxville McGhee Tyson

Thu 3/5

11:54 am-1:16 pm

Nonstop1h 22m

$109

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Thu 3/12

8:01 pm-9:27 pm

Nonstop1h 26m

Knoxville McGhee Tyson

Sun 3/15

11:55 am-1:17 pm

Nonstop1h 22m

$120

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Sun 2/22

8:02 pm-9:21 pm

Nonstop1h 19m

Knoxville McGhee Tyson

Thu 2/26

6:30 am-7:17 pm

2 stops36h 47m

$170

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Thu 3/5

8:01 pm-9:27 pm

Nonstop1h 26m

Knoxville McGhee Tyson

Sun 3/8

11:54 am-1:16 pm

Nonstop1h 22m

$181

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Thu 3/12

8:01 pm-9:27 pm

Nonstop1h 26m

Knoxville McGhee Tyson

Sun 3/15

6:30 am-5:08 pm

2 stops34h 38m

$195

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Mon 2/16

7:53 pm-10:08 am

2 stops38h 15m

Knoxville McGhee Tyson

Sun 2/22

11:50 am-1:19 pm

Nonstop1h 29m

$196

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Fri 2/27

8:12 pm-1:02 pm

2 stops16h 50m

Knoxville McGhee Tyson

Sun 3/1

11:50 am-1:16 pm

Nonstop1h 26m

$206

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Thu 3/5

8:01 pm-9:27 pm

Nonstop1h 26m

Knoxville McGhee Tyson

Sun 3/8

7:20 am-7:33 pm

2 stops36h 13m

$209

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Wed 4/15

1:15 pm-7:40 pm

1 stop6h 25m

Knoxville McGhee Tyson

Mon 4/20

6:35 am-10:05 am

1 stop3h 30m

$218

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 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 August is, on average, the cheapest month to fly to Knoxville from Jacksonville, with most prices found around $77. If you aren’t able to travel during the month of August, then book flights to Knoxville from Jacksonville during March instead. Flights to Knoxville in March, while not as cheap as those in August, still average around $122.

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

The cheapest day to depart from Jacksonville to Knoxville is on a Friday. Travelers who choose to depart for Knoxville on a Friday will often find tickets for as low as $81. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Jacksonville to Knoxville for around $168.

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 $90. 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 in the morning when prices are around $126.

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 $153 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 January 2026, prices for Jacksonville to Knoxville flights are approximately 10% 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

$41

Fastest flight time

1h 19m

Direct flights

Mon and Fri

Airports in Knoxville

1 airport
The best one-way flight to Knoxville from Jacksonville in the past 72 hours is $41. The best round-trip flight deal from Jacksonville to Knoxville found on momondo in the last 72 hours is $80.
The fastest flight from Jacksonville to Knoxville takes 1h 19m
Direct flights go from Jacksonville to Knoxville on Monday and Friday. The only airline offering direct flights is Allegiant Air.
There is 1 airport in Knoxville. From Jacksonville there are direct flights to 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 19m 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 $53Free CancellationRating
7.2
706 reviews
Search Allegiant Air flights
DeltaPriceFrom $157Free CancellationRating
7.9
8,125 reviews
Search Delta flights
American AirlinesPriceFrom $249Free CancellationRating
7.2
11,199 reviews
Search American Airlines flights

  • Allegiant Air Flights From Jacksonville to Knoxville

    Allegiant Air flight deals from Jacksonville to Knoxville start from $53 round-trip. Over the 1 Allegiant Air flight for this route in a normal week, average airfare is usually $94 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
Murphy
Alcoa
Maryville
Oak Ridge
Lenoir City
Newport
Kodak
Dandridge
Jefferson City
Clinton
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.

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