Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Knoxville to Jacksonville from $29

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 5/7. 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.

Find the cheapest flights from Knoxville to Jacksonville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
12:27 pm - 1:47 pm
TYS
-
JAX
1h 20mnonstop
Allegiant Air Logo
8:32 pm - 9:50 pm
JAX
-
TYS
1h 18mnonstop
$59Allegiant Air
Fri, May 29 - Fri, Jun 12
Allegiant Air Logo
12:40 pm - 2:00 pm
TYS
-
JAX
1h 20mnonstop
Allegiant Air Logo
8:32 pm - 9:50 pm
JAX
-
TYS
1h 18mnonstop
$65Allegiant Air
Mon, Jun 8 - Fri, Jun 12
Allegiant Air Logo
12:40 pm - 2:00 pm
TYS
-
JAX
1h 20mnonstop
Allegiant Air Logo
8:32 pm - 9:50 pm
JAX
-
TYS
1h 18mnonstop
$68Allegiant Air
Mon, Jun 8 - Mon, Jun 15
Allegiant Air Logo
12:27 pm - 1:47 pm
TYS
-
JAX
1h 20mnonstop
Allegiant Air Logo
8:32 pm - 9:50 pm
JAX
-
TYS
1h 18mnonstop
$78Allegiant Air
Fri, May 29 - Fri, Jun 26
Allegiant Air Logo
12:40 pm - 2:00 pm
TYS
-
JAX
1h 20mnonstop
Allegiant Air Logo
8:40 pm - 10:00 pm
JAX
-
TYS
1h 20mnonstop
$79Allegiant Air
Fri, Jul 3 - Fri, Jul 10
Allegiant Air Logo
12:40 pm - 2:00 pm
TYS
-
JAX
1h 20mnonstop
Allegiant Air Logo
8:32 pm - 9:50 pm
JAX
-
TYS
1h 18mnonstop
$81Allegiant Air
Mon, Jun 15 - Fri, Jun 19
Allegiant Air Logo
12:40 pm - 2:00 pm
TYS
-
JAX
1h 20mnonstop
Allegiant Air Logo
8:40 pm - 10:00 pm
JAX
-
TYS
1h 20mnonstop
$85Allegiant Air
Fri, Jul 3 - Mon, Jul 13
Allegiant Air Logo
12:27 pm - 1:47 pm
TYS
-
JAX
1h 20mnonstop
Allegiant Air Logo
8:36 pm - 10:01 pm
JAX
-
TYS
1h 25mnonstop
$86Allegiant Air
Fri, May 22 - Fri, May 29
Allegiant Air Logo
12:40 pm - 2:00 pm
TYS
-
JAX
1h 20mnonstop
Allegiant Air Logo
8:40 pm - 10:00 pm
JAX
-
TYS
1h 20mnonstop
$87Allegiant Air
Mon, Jul 6 - Mon, Jul 13
Allegiant Air Logo
12:27 pm - 1:47 pm
TYS
-
JAX
1h 20mnonstop
Allegiant Air Logo
8:36 pm - 10:01 pm
JAX
-
TYS
1h 25mnonstop
$90Allegiant Air
Fri, May 22 - Fri, May 29

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

Allegiant Air flights from Knoxville to Jacksonville

Our best Allegiant Air deals on Knoxville to Jacksonville flight tickets
Allegiant Air
May 29
TYS12:27 pmKnoxville McGhee Tyson
1h 20m
JAX1:47 pmJacksonville
Jun 12
JAX8:32 pmJacksonville
1h 18m
TYS9:50 pmKnoxville McGhee Tyson
$59
Allegiant Air
Jun 8
TYS12:40 pmKnoxville McGhee Tyson
1h 20m
JAX2:00 pmJacksonville
Jun 12
JAX8:32 pmJacksonville
1h 18m
TYS9:50 pmKnoxville McGhee Tyson
$65
Allegiant Air
Jun 8
TYS12:40 pmKnoxville McGhee Tyson
1h 20m
JAX2:00 pmJacksonville
Jun 15
JAX8:32 pmJacksonville
1h 18m
TYS9:50 pmKnoxville McGhee Tyson
$68

Southwest flights from Knoxville to Jacksonville

Our best Southwest deals on Knoxville to Jacksonville flight tickets
Southwest
May 12
TYS8:15 amKnoxville McGhee Tyson
7h 30m
1 stop
JAX3:45 pmJacksonville
May 15
JAX6:05 amJacksonville
5h 35m
1 stop
TYS11:40 amKnoxville McGhee Tyson
$437
Southwest
May 9
TYS6:40 amKnoxville McGhee Tyson
7h 30m
2 stops
JAX2:10 pmJacksonville
May 11
JAX6:05 amJacksonville
5h 35m
1 stop
TYS11:40 amKnoxville McGhee Tyson
$442
Southwest
May 9
TYS7:45 amKnoxville McGhee Tyson
10h 00m
2 stops
JAX5:45 pmJacksonville
May 11
JAX10:45 amJacksonville
10h 30m
2 stops
TYS9:15 pmKnoxville McGhee Tyson
$447

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 April 28, 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
Quickest round-trip

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Fri 5/29

12:27 pm-1:47 pm

Nonstop1h 20m

Jacksonville

Fri 6/12

8:32 pm-9:50 pm

Nonstop1h 18m

$59

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Mon 6/8

12:40 pm-2:00 pm

Nonstop1h 20m

Jacksonville

Fri 6/12

8:32 pm-9:50 pm

Nonstop1h 18m

$65

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Mon 6/8

12:40 pm-2:00 pm

Nonstop1h 20m

Jacksonville

Mon 6/15

8:32 pm-9:50 pm

Nonstop1h 18m

$68

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Fri 5/29

12:27 pm-1:47 pm

Nonstop1h 20m

Jacksonville

Fri 6/26

8:32 pm-9:50 pm

Nonstop1h 18m

$78

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Fri 7/3

12:40 pm-2:00 pm

Nonstop1h 20m

Jacksonville

Fri 7/10

8:40 pm-10:00 pm

Nonstop1h 20m

$79

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Mon 6/15

12:40 pm-2:00 pm

Nonstop1h 20m

Jacksonville

Fri 6/19

8:32 pm-9:50 pm

Nonstop1h 18m

$81

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Fri 7/3

12:40 pm-2:00 pm

Nonstop1h 20m

Jacksonville

Mon 7/13

8:40 pm-10:00 pm

Nonstop1h 20m

$85

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Fri 5/22

12:27 pm-1:47 pm

Nonstop1h 20m

Jacksonville

Fri 5/29

8:36 pm-10:01 pm

Nonstop1h 25m

$86

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Mon 7/6

12:40 pm-2:00 pm

Nonstop1h 20m

Jacksonville

Mon 7/13

8:40 pm-10:00 pm

Nonstop1h 20m

$87

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Fri 5/22

12:27 pm-1:47 pm

Nonstop1h 20m

Jacksonville

Fri 5/29

8:36 pm-10:01 pm

Nonstop1h 25m

$90

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 typical price of a round-trip flight between Knoxville and Jacksonville?

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 January is also very affordable. Most momondo users find prices during this month for around $108.

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 $92 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 to Jacksonville flights?

There is only 1 cabin class available to choose from on Knoxville 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 April 2026, prices for Knoxville to Jacksonville flights are approximately 78% 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

$47

Fastest flight time

1h 20m

Direct flights

Mon, Tue, Fri and Sat

Airports in Jacksonville

1 airport
The best one-way flight to Jacksonville from Knoxville in the past 72 hours is $47. The best round-trip 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 20m
Direct flights go from Knoxville to Jacksonville on Monday, Tuesday, Friday and Saturday. 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

Frequently asked questions about flying from Knoxville to Jacksonville

  • 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 20m.

  • 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 $66Free CancellationRating
7.3
706 reviews
Search Allegiant Air flights
DeltaPriceFrom $194Free CancellationRating
7.9
8,463 reviews
Search Delta flights
American AirlinesPriceFrom $282Free CancellationRating
7.1
11,671 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.

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
Thu 5/28
Thu 6/4
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States