$33+ Cheap flights from Jacksonville to Knoxville (JAX - TYS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — TYS
Oct 4 — Oct 111
Round-trip
1 adult, Economy
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Find cheap flights from Jacksonville to Knoxville 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.Cheapflights Tip: The best prices from Jacksonville to Knoxville McGhee Tyson are usually found in June or July, booked 41 days in advance, depart on a Wednesday or Friday and return on a Wednesday
Cheap flight deals from Jacksonville to Knoxville
Cheapest
Best
Last-minute
One-way
Cheapest flights from Jacksonville to KnoxvilleExplore the most affordable flight options available from Jacksonville to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
Explore the most affordable flight options available from Jacksonville to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:29 pm -
Nonstop1h 19m
Thu 9/241:19 pm -
Nonstop1h 20m
Deal found 9/2![Allegiant Air logo]()
$73
This Super.com deal was found by Cheapflights users on 8/31. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:29 pm -
Nonstop1h 19m
Thu 9/171:19 pm -
Nonstop1h 20m
Deal found 8/31![Allegiant Air logo]()
$74
This CheapOair deal was found by Cheapflights users on 8/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:09 pm -
Nonstop1h 22m
Sun 12/611:00 am -
Nonstop1h 22m
Deal found 8/31![Allegiant Air logo]()
$87
This Trip.com deal was found by Cheapflights users on 9/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/203:29 pm -
Nonstop1h 19m
Thu 9/241:19 pm -
Nonstop1h 20m
Deal found 9/4![Allegiant Air logo]()
$92
This Super.com deal was found by Cheapflights users on 9/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:29 pm -
Nonstop1h 19m
Sun 9/271:19 pm -
Nonstop1h 20m
Deal found 9/2![Allegiant Air logo]()
$100
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:36 pm -
Nonstop1h 20m
Sun 11/12:01 pm -
Nonstop1h 22m
Deal found 9/2![Allegiant Air logo]()
$101
This Super.com deal was found by Cheapflights users on 8/31. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:29 pm -
Nonstop1h 19m
Thu 9/241:19 pm -
Nonstop1h 20m
Deal found 8/31![Allegiant Air logo]()
$110
This Super.com deal was found by Cheapflights users on 8/31. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:02 pm -
Nonstop1h 19m
Thu 9/101:19 pm -
Nonstop1h 20m
Deal found 8/31![Allegiant Air logo]()
$116
This Mytrip deal was found by Cheapflights users on 9/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:20 pm -
Nonstop1h 20m
Sun 10/117:58 pm -
Nonstop1h 22m
Deal found 9/1![Allegiant Air logo]()
$128
This Super.com deal was found by Cheapflights users on 8/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/273:29 pm -
Nonstop1h 19m
Sun 10/47:31 pm -
Nonstop1h 22m
Deal found 8/30![Allegiant Air logo]()
$138
Best flights from Jacksonville to KnoxvilleDiscover carefully curated flight deals from Jacksonville to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
Discover carefully curated flight deals from Jacksonville to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
This Southwest deal was found by Cheapflights users on 8/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:00 pm -
1 stop6h 35m
Wed 11/47:05 am -
2 stops15h 00m
Deal found 8/31![Southwest logo]()
$339
This Delta deal was found by Cheapflights users on 8/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:10 am -
1 stop5h 44m
Mon 10/262:38 pm -
1 stop6h 03m
Deal found 8/30![Delta logo]()
$342
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Sat 10/249:25 am -
1 stop10h 54m
Mon 10/267:35 pm -
1 stop15h 05m
Deal found 9/3![United Airlines logo]()
$625
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:30 pm -
2 stops9h 15m
Fri 11/67:05 am -
2 stops9h 35m
Deal found 9/2![Southwest logo]()
$417
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:44 am -
1 stop4h 11m
Sun 11/297:22 pm -
1 stop4h 31m
Deal found 9/3![Delta logo]()
$481
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:10 am -
2 stops10h 35m
Mon 10/261:50 pm -
2 stops9h 55m
Deal found 9/3![Southwest logo]()
$446
This Southwest deal was found by Cheapflights users on 8/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:00 pm -
2 stops7h 45m
Fri 10/231:50 pm -
2 stops9h 55m
Deal found 8/31![Southwest logo]()
$467
This United Airlines deal was found by Cheapflights users on 9/3. 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 1/133:50 pm -
2 stops23h 04m
Sat 1/1610:16 am -
2 stops12h 14m
Deal found 9/3![United Airlines logo]()
$625
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:00 am -
1 stop5h 18m
Sun 9/275:40 am -
1 stop2h 57m
Deal found 9/2![Delta logo]()
$619
This Southwest deal was found by Cheapflights users on 9/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:45 pm -
2 stops8h 20m
Sun 10/116:25 am -
2 stops12h 10m
Deal found 9/1![Southwest logo]()
$623
Last-minute flights from Jacksonville to KnoxvilleDiscover last-minute flight deals from Jacksonville to Knoxville. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from Jacksonville to Knoxville. Data last updated September 4, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 8/31. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:02 pm -
Nonstop1h 19m
Thu 9/101:19 pm -
Nonstop1h 20m
Deal found 8/31![Allegiant Air logo]()
$116
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:29 pm -
Nonstop1h 19m
Thu 9/241:19 pm -
Nonstop1h 20m
Deal found 9/2![Allegiant Air logo]()
$73
This Super.com deal was found by Cheapflights users on 8/31. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:29 pm -
Nonstop1h 19m
Thu 9/171:19 pm -
Nonstop1h 20m
Deal found 8/31![Allegiant Air logo]()
$74
This Super.com deal was found by Cheapflights users on 9/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:29 pm -
Nonstop1h 19m
Sun 9/271:19 pm -
Nonstop1h 20m
Deal found 9/2![Allegiant Air logo]()
$100
This Super.com deal was found by Cheapflights users on 8/31. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:29 pm -
Nonstop1h 19m
Thu 9/241:19 pm -
Nonstop1h 20m
Deal found 8/31![Allegiant Air logo]()
$110
This Trip.com deal was found by Cheapflights users on 9/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/203:29 pm -
Nonstop1h 19m
Thu 9/241:19 pm -
Nonstop1h 20m
Deal found 9/4![Allegiant Air logo]()
$92
This Super.com deal was found by Cheapflights users on 8/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/273:29 pm -
Nonstop1h 19m
Sun 10/47:31 pm -
Nonstop1h 22m
Deal found 8/30![Allegiant Air logo]()
$138
This Mytrip deal was found by Cheapflights users on 9/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:20 pm -
Nonstop1h 20m
Sun 10/117:58 pm -
Nonstop1h 22m
Deal found 9/1![Allegiant Air logo]()
$128
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:36 pm -
Nonstop1h 20m
Sun 11/12:01 pm -
Nonstop1h 22m
Deal found 9/2![Allegiant Air logo]()
$101
One-way flights from Jacksonville to KnoxvilleSearch for one-way flight options from Jacksonville to Knoxville. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
Search for one-way flight options from Jacksonville to Knoxville. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
This CheapOair deal was found by Cheapflights users on 9/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:09 pm -
Nonstop1h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Allegiant Air logo]()
$33
This CheapOair deal was found by Cheapflights users on 9/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:10 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Allegiant Air logo]()
$39
This Expedia deal was found by Cheapflights users on 9/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1110:10 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Allegiant Air logo]()
$61
This CheapOair deal was found by Cheapflights users on 9/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:57 pm -
Nonstop1h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Allegiant Air logo]()
$66
This CheapOair deal was found by Cheapflights users on 9/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:29 pm -
Nonstop1h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Allegiant Air logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/85:20 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Allegiant Air logo]()
$98
This Jetabroad deal was found by Cheapflights users on 9/3. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:01 pm -
Nonstop1h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Allegiant Air logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Fri 10/27:46 pm -
2 stops22h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Sat 10/37:46 pm -
2 stops21h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/186:20 pm -
2 stops27h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$129
Find flight deals from Jacksonville to Knoxville
Discover tips and strategies to find the most affordable flight options for your journey from Jacksonville (JAX) to Knoxville (TYS). 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 September 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $73 (CheapOair) |
One-way from | $33 (CheapOair) |
Popular in | January |
Cheapest in | June |
Average price | $247 |
Good round-trip deal | $68 or less |
Good one-way deal | $51 or less |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated September 4, 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
Cheapest round-trip
JacksonvilleKnoxville
JAX Jacksonville - TYS Knoxville McGhee Tyson
JAXTYS
Jacksonville
Thu 12/3
7:09 pm-8:31 pm
Nonstop1h 22m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$33
Quickest round-trip
JacksonvilleKnoxville
JAX Jacksonville - TYS Knoxville McGhee Tyson
JAXTYS
Jacksonville
Thu 9/17
3:29 pm-4:48 pm
Nonstop1h 19m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$67
JacksonvilleKnoxville
JAX Jacksonville - TYS Knoxville McGhee Tyson
JAXTYS
Jacksonville
Fri 10/2
3:41 pm-8:35 am
1 stop16h 54m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$121
JacksonvilleKnoxville
JAX Jacksonville - TYS Knoxville McGhee Tyson
JAXTYS
Jacksonville
Mon 10/5
6:16 pm-10:59 pm
1 stop4h 43m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$122
JacksonvilleKnoxville
JAX Jacksonville - TYS Knoxville McGhee Tyson
JAXTYS
Jacksonville
Sat 10/3
7:46 pm-5:21 pm
2 stops21h 35m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$122
JacksonvilleKnoxville
JAX Jacksonville - TYS Knoxville McGhee Tyson
JAXTYS
Jacksonville
Thu 12/3
5:00 am-8:48 am
1 stop3h 48m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$122
JacksonvilleKnoxville
JAX Jacksonville - TYS Knoxville McGhee Tyson
JAXTYS
Jacksonville
Fri 9/18
3:41 pm-10:14 am
1 stop18h 33m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$141
JacksonvilleKnoxville
JAX Jacksonville - TYS Knoxville McGhee Tyson
JAXTYS
Jacksonville
Thu 11/19
5:00 am-8:49 am
1 stop3h 49m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$145
JacksonvilleKnoxville
JAX Jacksonville - TYS Knoxville McGhee Tyson
JAXTYS
Jacksonville
Wed 9/9
3:50 pm-10:04 am
1 stop18h 14m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
JacksonvilleKnoxville
JAX Jacksonville - TYS Knoxville McGhee Tyson
JAXTYS
Jacksonville
Mon 10/5
8:07 pm-10:05 am
2 stops37h 58m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Jacksonville to Knoxville
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 Jacksonville to Knoxville in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Jacksonville-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Jacksonville-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Jacksonville-Knoxville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Jacksonville-Knoxville 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 Jacksonville-Knoxville 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 Jacksonville to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from Jacksonville with our price prediction graph.
JAX-TYS
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 Jacksonville to Knoxville
How far ahead should I book a flight from Jacksonville to Knoxville?
The price you pay for your flight from Jacksonville to Knoxville may vary depending on when you book. For the best chance of a lower fare, look to book 40 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Jacksonville to Knoxville?
Currently, June is the cheapest month in which you can book a flight from Jacksonville to Knoxville (average of $90). Flying from Jacksonville to Knoxville in January is currently the most expensive (average of $270). 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 JAX to TYS?
Find hourly flight availability from Jacksonville to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 4, 2026.
It’s typically best to fly out from Jacksonville to Knoxville in the evening. Doing so could potentially save you 26% on the flight price compared to flying at noon, which is usually more expensive.
Reviews of airlines servicing Knoxville
Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated September 4, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andAllegiant Air from Jacksonville to Knoxville by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Related info for your journey
Find useful and relevant information for your journey from Jacksonville to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Top 4 airlines flying from Jacksonville to Knoxville
Discover the top 4 airlines that operate flights from Jacksonville to Knoxville. 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 7,457,451 searches. Data last updated September 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$56 | Average$96 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$156 | Average$377 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$244 | Average$388 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$247 | Average$283 | FlexibilityNo cancel fee | On-time63% |