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Cheap flights from Knoxville to Jacksonville (TYS - JAX) - Compare and Save

TYS — JAX
May 3 — May 101
Sun 5/3
Sun 5/10
1 adult, Economy
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Cheap 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 April 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$62
(Kiwi.com)

One-way from

$29
(Kiwi.com)

Popular in

March

Cheapest in

June

Average price

$100

Good round-trip deal

$84 or less
Provider with most accurate pricing for Knoxville McGhee Tyson-Jacksonville flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Jacksonville flights.
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From Knoxville McGhee Tyson to Jacksonville
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One-way flight from Knoxville McGhee Tyson to Jacksonville
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Highest demand for flights based on searches. 7% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in April 2026
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Price to beat on a round-trip flight from Knoxville McGhee Tyson to Jacksonville.
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Find 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 April 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/2. 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.
Thu 4/2312:37 pm
TYS
-
JAX
Nonstop1h 22m
Allegiant Air
Sun 4/268:34 pm
JAX
-
TYS
Nonstop1h 23m
Allegiant Air
Deal found 4/2$62
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Thu 4/1612:37 pm
TYS
-
JAX
Nonstop1h 22m
Allegiant Air
Sun 4/198:34 pm
JAX
-
TYS
Nonstop1h 23m
Allegiant Air
Deal found 3/31$63
This Super.com deal was found by Cheapflights users on 3/29. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/912:37 pm
TYS
-
JAX
Nonstop1h 22m
Allegiant Air
Sun 4/128:34 pm
JAX
-
TYS
Nonstop1h 23m
Allegiant Air
Deal found 3/29$64
This Kiwi.com deal was found by Cheapflights users on 4/2. 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.
Thu 4/1612:37 pm
TYS
-
JAX
Nonstop1h 22m
Allegiant Air
Sun 4/198:34 pm
JAX
-
TYS
Nonstop1h 23m
Allegiant Air
Deal found 4/2$67
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Mon 6/112:27 pm
TYS
-
JAX
Nonstop1h 20m
Allegiant Air
Mon 6/298:32 pm
JAX
-
TYS
Nonstop1h 18m
Allegiant Air
Deal found 4/1$68
This Kiwi.com deal was found by Cheapflights users on 3/30. 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.
Sun 4/1212:37 pm
TYS
-
JAX
Nonstop1h 22m
Allegiant Air
Sun 4/198:34 pm
JAX
-
TYS
Nonstop1h 23m
Allegiant Air
Deal found 3/30$69
This Kiwi.com deal was found by Cheapflights users on 4/2. 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.
Sun 4/1212:37 pm
TYS
-
JAX
Nonstop1h 22m
Allegiant Air
Sun 4/198:34 pm
JAX
-
TYS
Nonstop1h 23m
Allegiant Air
Deal found 4/2$72
This Kiwi.com deal was found by Cheapflights users on 4/2. 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.
Sun 5/312:37 pm
TYS
-
JAX
Nonstop1h 22m
Allegiant Air
Sun 5/108:57 pm
JAX
-
TYS
Nonstop1h 23m
Allegiant Air
Deal found 4/2$73
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Fri 5/2912:27 pm
TYS
-
JAX
Nonstop1h 20m
Allegiant Air
Fri 6/58:32 pm
JAX
-
TYS
Nonstop1h 18m
Allegiant Air
Deal found 4/1$78
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Sun 5/1012:55 pm
TYS
-
JAX
Nonstop1h 22m
Allegiant Air
Fri 5/228:36 pm
JAX
-
TYS
Nonstop1h 25m
Allegiant Air
Deal found 3/31$79
This Kiwi.com deal was found by Cheapflights users on 3/29. 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.
Mon 7/1312:40 pm
TYS
-
JAX
Nonstop1h 20m
Allegiant Air
Mon 7/208:40 pm
JAX
-
TYS
Nonstop1h 20m
Allegiant Air
Deal found 3/29$82
This Kiwi.com deal was found by Cheapflights users on 3/29. 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.
Thu 8/2012:55 pm
TYS
-
JAX
Nonstop1h 22m
Allegiant Air
Sun 8/233:07 pm
JAX
-
TYS
Nonstop1h 18m
Allegiant Air
Deal found 3/29$93

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 April 3, 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

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Tue 4/28

8:15 am-3:45 pm

1 stop7h 30m

Jacksonville

Tue 5/5

4:05 pm-8:50 pm

1 stop4h 45m

$249

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Wed 5/6

5:54 pm-10:50 pm

1 stop4h 56m

Jacksonville

Thu 5/7

5:05 am-9:34 am

1 stop4h 29m

$279
Quickest round-trip

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Wed 5/20

5:50 pm-9:30 pm

1 stop3h 40m

Jacksonville

Mon 5/25

6:05 am-11:40 am

1 stop5h 35m

$288

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Wed 5/20

9:00 am-7:57 am

3 stops46h 57m

Jacksonville

Mon 5/25

8:36 pm-10:01 pm

Nonstop1h 25m

$293

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Mon 5/4

6:45 pm-10:55 pm

1 stop4h 10m

Jacksonville

Fri 5/8

10:55 am-9:15 pm

1 stop10h 20m

$293

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Fri 6/5

7:30 am-4:15 pm

2 stops8h 45m

Jacksonville

Mon 6/8

6:55 am-9:10 pm

2 stops14h 15m

$310

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Sat 4/25

6:40 am-2:10 pm

2 stops7h 30m

Jacksonville

Sun 4/26

5:20 am-2:05 pm

2 stops8h 45m

$337

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Thu 5/14

6:35 am-4:20 pm

2 stops9h 45m

Jacksonville

Mon 5/18

10:55 am-8:20 pm

2 stops9h 25m

$337

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Fri 5/29

6:35 am-4:20 pm

2 stops9h 45m

Jacksonville

Fri 6/5

5:35 am-3:45 pm

2 stops10h 10m

$338

KnoxvilleJacksonville

TYS - JAX

TYSJAX

Knoxville McGhee Tyson

Mon 6/1

6:35 am-4:55 pm

2 stops10h 20m

Jacksonville

Mon 6/29

7:45 am-9:10 pm

2 stops13h 25m

$376

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Jacksonville flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, September is the cheapest month in which you can book a flight from Knoxville to Jacksonville (average of $74). Flying from Knoxville to Jacksonville in December is currently the most expensive (average of $100). 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 April 3, 2026.

A simple way to save on the total cost of your ticket is to fly from Knoxville to Jacksonville in the morning. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the evening.

How much does it cost to fly round-trip from Knoxville to Jacksonville?

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 April 3, 2026.
Peruse reviews from past customers who have flown with Delta,Allegiant Air, andAmerican Airlines 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
8,375 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

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
8,375 reviews
Delta
7.9
Good
8,375 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

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
7.3
Good
709 reviews
Delta
7.9
Good
8,375 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

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
7.1
Good
11,552 reviews
Delta
7.9
Good
8,375 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

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 5 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 1h 22m. Fly via Allegiant Air to get the fastest option. Knoxville and Jacksonville are separated by a distance of 390 mi. Generally, flights for this route are nonstop.

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

    According to our current data, Allegiant Air ($69), Delta ($212), and American Airlines ($282) offers the cheapest pricing from Knoxville to Jacksonville. Allegiant Air is currently priced 64% 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 $35 on Allegiant Air. Other airlines that offer cheap prices include American Airlines from $129 and Delta from $130 one-way.

  • What are the cheapest flights from Knoxville to Jacksonville?

    While on average a flight from Knoxville to Jacksonville is generally $90, our data shows the cheapest flight currently is $84. When looking at the most popular route, (Knoxville McGhee Tyson - Jacksonville), you can expect to pay $68 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, September is the cheapest month in which you can book a flight from Knoxville to Jacksonville (average of $74). Flying from Knoxville to Jacksonville in December is currently the most expensive (average of $100). 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

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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 April 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$69Average$94FlexibilityNo cancel feeOn-time88%
DeltaCheapest$212Average$357FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$282Average$347FlexibilityNo cancel feeOn-time71%

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