HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Jacksonville

$40+ Cheap flights from Knoxville to Jacksonville (TYS - JAX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — JAX
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Knoxville to Jacksonville with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Knoxville to Jacksonville

Cheapest flights from Knoxville to Jacksonville
Explore the most affordable flight options available from Knoxville to Jacksonville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:05 pmTYS - JAX
2 stops24h 05mMultiple Airlines
Sat 12/277:50 pmJAX - TYS
Nonstop1h 21mMultiple Airlines
Deal found 12/21$421
This American Airlines deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:30 amTYS - JAX
1 stop6h 23mAmerican Airlines
Thu 1/17:00 amJAX - TYS
1 stop9h 38mAmerican Airlines
Deal found 12/22$690
This United Airlines deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/289:50 amTYS - JAX
1 stop25h 10mUnited Airlines
Thu 1/19:20 amJAX - TYS
2 stops13h 19mUnited Airlines
Deal found 12/22$863
This United Airlines deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:00 pmTYS - JAX
2 stops8h 11mUnited Airlines
Sat 12/273:50 pmJAX - TYS
2 stops19h 06mUnited Airlines
Deal found 12/21$1,275

Find flight deals from Knoxville to Jacksonville

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Jacksonville (JAX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 23, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$69
(Kiwi.com)

One-way from

$40
(Kiwi.com)

Popular in

October

Cheapest in

February

Average price

$260

Good round-trip deal

$76 or less
Provider with most accurate pricing for Knoxville McGhee Tyson-Jacksonville flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Jacksonville flights.
Search Deals
From Knoxville McGhee Tyson to Jacksonville
Search Deals
One-way flight from Knoxville McGhee Tyson to Jacksonville
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Knoxville McGhee Tyson to Jacksonville.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Knoxville to Jacksonville that are best for you.

Fly from

Knoxville

Fly to

Jacksonville

Route

Depart

Return

Price

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Sun 1/11

1:39 pm-4:57 pm

2 stops27h 18m

Jacksonville

Thu 1/15

9:42 pm-11:05 pm

Nonstop1h 23m

$144

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Sun 2/1

1:39 pm-8:01 pm

3 stops30h 22m

Jacksonville

Thu 2/5

9:42 pm-11:05 pm

Nonstop1h 23m

$192

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Thu 1/22

5:14 pm-10:09 pm

1 stop4h 55m

Jacksonville

Mon 1/26

6:00 am-9:45 am

1 stop3h 45m

$235

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Mon 3/23

7:25 pm-12:05 am

1 stop4h 40m

Jacksonville

Fri 3/27

4:10 pm-9:15 pm

1 stop5h 05m

$299

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Thu 5/21

2:01 pm-3:46 pm

2 stops25h 45m

Jacksonville

Mon 5/25

8:36 pm-10:01 pm

Nonstop1h 25m

$315

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Tue 3/17

5:01 pm-8:22 pm

1 stop3h 21m

Jacksonville

Sun 3/22

7:59 pm-11:51 pm

1 stop3h 52m

$344

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Thu 5/21

12:15 pm-9:25 pm

2 stops9h 10m

Jacksonville

Mon 5/25

6:05 am-11:40 am

1 stop5h 35m

$353

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Sun 1/25

7:26 pm-8:52 pm

Nonstop1h 26m

$40

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Mon 2/9

5:14 pm-10:09 pm

1 stop4h 55m

$101

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Sun 1/25

1:39 pm-6:23 pm

2 stops28h 44m

$107

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 15 results
1
2

Compare providers for flights from Knoxville to Jacksonville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Jacksonville in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Knoxville-Jacksonville flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Knoxville-Jacksonville flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Knoxville-Jacksonville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Jacksonville flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Jacksonville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Knoxville to Jacksonville

Have a flexible travel schedule? Discover the best time to fly to Jacksonville from Knoxville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Knoxville to Jacksonville

What is the cheapest month to book a flight from Knoxville to Jacksonville?

Currently, February is the cheapest month in which you can book a flight from Knoxville to Jacksonville (average of $70). Flying from Knoxville to Jacksonville in December is currently the most expensive (average of $103). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from TYS to JAX?

Find hourly flight availability from Knoxville to Jacksonville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

A simple way to save on the total cost of your ticket is to fly from Knoxville to Jacksonville in the evening. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight in the afternoon.

Reviews of airlines servicing Jacksonville

Get insights into the airlines that provide service to Jacksonville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Jacksonville. Reviews last updated December 23, 2025.
Peruse reviews from past customers who have flown with Delta, American Airlines, and Allegiant Air from Knoxville to Jacksonville to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,014 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Delta
7.9
Good
8,014 reviews
Delta
7.9
Good
8,014 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
American Airlines
7.2
Good
11,050 reviews
Delta
7.9
Good
8,014 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Allegiant Air
7.2
Good
701 reviews
Delta
7.9
Good
8,014 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Jacksonville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Knoxville to Jacksonville flight route?

    This flight path from Knoxville McGhee Tyson to Jacksonville was viewed by 4 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Knoxville to Jacksonville?

    There are many flights that can get you from Knoxville to Jacksonville in 4h 55m. Fly via American Airlines to get the fastest option. Knoxville and Jacksonville are separated by a distance of 390 mi.

  • What are the cheapest airlines flying from Knoxville to Jacksonville round-trip?

    According to our current data, Allegiant Air ($76), Delta ($228), and American Airlines ($282) offers the cheapest pricing from Knoxville to Jacksonville. Allegiant Air is currently priced 60% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Knoxville to Jacksonville one-way?

    One-way options have recently been found by users for as low as $38 on Allegiant Air. Other airlines that offer cheap prices include American Airlines from $130 and Delta from $143 one-way.

  • What are the cheapest flights from Knoxville to Jacksonville?

    While on average a flight from Knoxville to Jacksonville is generally $80, our data shows the cheapest flight currently is $44. When looking at the most popular route, (Knoxville McGhee Tyson - Jacksonville), you can expect to pay $69 for that flight.

  • Can I find deals for flights from Knoxville to Jacksonville that include hotel bookings?

    Yes. In addition to deals on Knoxville to Jacksonville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Jacksonville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Jacksonville.

  • Can I find deals for business class flights from Knoxville to Jacksonville?

    Yes. Cheapflights offers flight deals from Knoxville to Jacksonville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Knoxville to Jacksonville?

    Currently, February is the cheapest month in which you can book a flight from Knoxville to Jacksonville (average of $70). Flying from Knoxville to Jacksonville in December is currently the most expensive (average of $103). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Jacksonville?

Book flights to Jacksonville if you plan to visit one of these locations
Jacksonville Beach
Orange Park
Fernandina Beach
Kingsland
Waycross
Yulee

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Knoxville to Jacksonville

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to Orlando flights
Nashville to Miami flights
Nashville to Fort Lauderdale flights
Memphis to Orlando flights
Nashville to Tampa flights
Memphis to Miami flights
Chattanooga to Orlando flights
Nashville to Fort Myers flights
Nashville to West Palm Beach flights
Knoxville to Orlando Sanford Intl flights
Knoxville to Orlando flights
Nashville to Key West flights
Memphis to Tampa flights
Knoxville to Fort Lauderdale flights
Chattanooga to Miami flights
Knoxville to Miami flights
Nashville to Sarasota flights
Chattanooga to Tampa flights
Knoxville to Tampa flights
Nashville to Jacksonville flights
Chattanooga to Sarasota flights
Memphis to Sarasota flights
Nashville to Panama City flights
Knoxville to Fort Myers flights
Chattanooga to Fort Myers flights
Nashville to Pensacola flights
Memphis to Orlando Sanford Intl flights
Memphis to Fort Lauderdale flights
Chattanooga to Fort Lauderdale flights
Chattanooga to Orlando Sanford Intl flights
Memphis to Jacksonville flights
Memphis to Key West flights
Blountville to Miami flights
Nashville to St Petersburg flights
Knoxville to Key West flights
Blountville to Orlando flights
Blountville to West Palm Beach flights
Memphis to Fort Myers flights
Knoxville to St Petersburg flights
Chattanooga to West Palm Beach flights
Memphis to West Palm Beach flights
Nashville to Melbourne flights
Blountville to Fort Lauderdale flights
Chattanooga to Key West flights
Knoxville to Pensacola flights
Chattanooga to Daytona Beach flights
Chattanooga to Jacksonville flights
Nashville to Valparaiso flights
Chattanooga to Melbourne flights
Knoxville to Sarasota flights

Top 3 airlines flying from Knoxville to Jacksonville

Discover the top 3 airlines that operate flights from Knoxville to Jacksonville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$76Average$95FlexibilityNo cancel feeOn-time88%
DeltaCheapest$258Average$388FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$282Average$353FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.