$188+ Cheap flights from Knoxville to Tucson (TYS - TUS)
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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — TUS
Jul 30 — Aug 61
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Tucson 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
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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 Tucson
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Best
Last-minute
One-way
Cheapest flights from Knoxville to TucsonExplore the most affordable flight options available from Knoxville to Tucson. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2026.
Explore the most affordable flight options available from Knoxville to Tucson. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2026.
This United Airlines deal was found by Cheapflights users on 6/27. 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 8/197:15 am
TYS
- TUS
1 stop6h 05m
United Airlines
Sat 8/295:30 am
TUS
- TYS
1 stop7h 16m
United Airlines
Deal found 6/27![United Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 6/27. 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.
Wed 8/195:15 am
TYS
- TUS
2 stops8h 58m
American Airlines
Sat 8/2910:25 am
TUS
- TYS
2 stops9h 33m
American Airlines
Deal found 6/27![American Airlines logo]()
$361
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Sat 8/156:03 am
TYS
- TUS
1 stop5h 41m
American Airlines
Mon 8/171:17 pm
TUS
- TYS
1 stop7h 01m
American Airlines
Deal found 6/28![American Airlines logo]()
$363
This American Airlines deal was found by Cheapflights users on 6/27. 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.
Thu 8/204:22 pm
TYS
- TUS
2 stops9h 52m
American Airlines
Sat 8/2910:25 am
TUS
- TYS
2 stops9h 33m
American Airlines
Deal found 6/27![American Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Thu 10/225:29 pm
TYS
- TUS
1 stop5h 54m
American Airlines
Mon 10/261:23 pm
TUS
- TYS
1 stop6h 59m
American Airlines
Deal found 6/28![American Airlines logo]()
$375
This Southwest deal was found by Cheapflights users on 6/28. 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 10/224:00 pm
TYS
- TUS
2 stops9h 20m
Southwest
Mon 10/269:10 am
TUS
- TYS
1 stop6h 30m
Southwest
Deal found 6/28![Southwest logo]()
$399
This United Airlines deal was found by Cheapflights users on 6/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/124:50 pm
TYS
- TUS
1 stop6h 40m
United Airlines
Sun 8/165:30 am
TUS
- TYS
1 stop7h 24m
United Airlines
Deal found 6/29![United Airlines logo]()
$400
This Southwest deal was found by Cheapflights users on 6/28. 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 8/156:50 am
TYS
- TUS
2 stops14h 35m
Southwest
Mon 8/175:10 am
TUS
- TYS
2 stops7h 45m
Southwest
Deal found 6/28![Southwest logo]()
$404
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/121:55 pm
TYS
- TUS
2 stops9h 40m
Southwest
Sun 8/167:00 am
TUS
- TYS
1 stop7h 15m
Southwest
Deal found 6/29![Southwest logo]()
$405
Best flights from Knoxville to TucsonDiscover carefully curated flight deals from Knoxville to Tucson that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 30, 2026.
Discover carefully curated flight deals from Knoxville to Tucson that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 30, 2026.
This United Airlines deal was found by Cheapflights users on 6/27. 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 8/197:15 am
TYS
- TUS
1 stop6h 05m
United Airlines
Sat 8/295:30 am
TUS
- TYS
1 stop7h 16m
United Airlines
Deal found 6/27![United Airlines logo]()
$351
This Southwest deal was found by Cheapflights users on 6/27. 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 11/112:45 pm
TYS
- TUS
2 stops9h 10m
Southwest
Wed 11/186:10 am
TUS
- TYS
2 stops7h 20m
Southwest
Deal found 6/27![Southwest logo]()
$361
This American Airlines deal was found by Cheapflights users on 6/26. 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.
Thu 7/235:37 am
TYS
- TUS
1 stop6h 01m
American Airlines
Tue 7/2811:37 am
TUS
- TYS
2 stops9h 14m
American Airlines
Deal found 6/26![American Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 6/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/124:50 pm
TYS
- TUS
1 stop6h 40m
United Airlines
Sun 8/165:30 am
TUS
- TYS
1 stop7h 24m
United Airlines
Deal found 6/29![United Airlines logo]()
$400
This Southwest deal was found by Cheapflights users on 6/28. 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 8/156:50 am
TYS
- TUS
2 stops14h 35m
Southwest
Mon 8/175:10 am
TUS
- TYS
2 stops7h 45m
Southwest
Deal found 6/28![Southwest logo]()
$404
This Southwest deal was found by Cheapflights users on 6/25. 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 12/113:40 pm
TYS
- TUS
2 stops10h 05m
Southwest
Tue 12/157:45 am
TUS
- TYS
1 stop5h 45m
Southwest
Deal found 6/25![Southwest logo]()
$405
This American Airlines deal was found by Cheapflights users on 6/25. 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.
Fri 8/148:10 am
TYS
- TUS
2 stops9h 25m
American Airlines
Sun 8/161:17 pm
TUS
- TYS
1 stop7h 01m
American Airlines
Deal found 6/25![American Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Tue 12/87:00 am
TYS
- TUS
1 stop6h 28m
United Airlines
Sat 12/121:30 pm
TUS
- TYS
1 stop6h 50m
United Airlines
Deal found 6/25![United Airlines logo]()
$451
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/123:00 pm
TYS
- TUS
2 stops8h 25m
Southwest
Sun 8/166:30 am
TUS
- TYS
2 stops7h 45m
Southwest
Deal found 6/29![Southwest logo]()
$410
This Southwest deal was found by Cheapflights users on 6/28. 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 8/144:50 pm
TYS
- TUS
2 stops8h 30m
Southwest
Sun 8/166:30 am
TUS
- TYS
2 stops7h 45m
Southwest
Deal found 6/28![Southwest logo]()
$459
Last-minute flights from Knoxville to TucsonDiscover last-minute flight deals from Knoxville to Tucson. Data last updated June 30, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Tucson. Data last updated June 30, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/27. 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.
Tue 7/148:11 pm
TYS
- TUS
1 stop6h 00m
American Airlines
Sat 7/251:18 pm
TUS
- TYS
1 stop7h 33m
American Airlines
Deal found 6/27![American Airlines logo]()
$498
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Thu 7/235:37 am
TYS
- TUS
1 stop6h 01m
American Airlines
Tue 7/281:18 pm
TUS
- TYS
1 stop7h 33m
American Airlines
Deal found 6/28![American Airlines logo]()
$434
This American Airlines deal was found by Cheapflights users on 6/26. 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.
Thu 7/235:37 am
TYS
- TUS
1 stop6h 01m
American Airlines
Mon 7/271:18 pm
TUS
- TYS
1 stop7h 33m
American Airlines
Deal found 6/26![American Airlines logo]()
$483
One-way flights from Knoxville to TucsonSearch for one-way flight options from Knoxville to Tucson. Find affordable one-way fares based on user searches. Data last updated June 30, 2026.
Search for one-way flight options from Knoxville to Tucson. Find affordable one-way fares based on user searches. Data last updated June 30, 2026.
This United Airlines deal was found by Cheapflights users on 6/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/204:50 pm
TYS
- TUS
1 stop6h 40m
United Airlines
Deal found 6/29![United Airlines logo]()
$188
This Southwest deal was found by Cheapflights users on 6/27. 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 8/204:50 pm
TYS
- TUS
1 stop8h 05m
Southwest
Deal found 6/27![Southwest logo]()
$207
This Southwest deal was found by Cheapflights users on 6/25. 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 8/144:50 pm
TYS
- TUS
1 stop8h 05m
Southwest
Deal found 6/25![Southwest logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 8/202:39 pm
TYS
- TUS
3 stops50h 26m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$584
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 8/145:40 am
TYS
- TUS
3 stops34h 51m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$614
Find flight deals from Knoxville to Tucson
Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Tucson (TUS). 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 June 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $351 (United Airlines) |
One-way from | $188 (United Airlines) |
Popular in | December |
Cheapest in | July |
Average price | $488 |
Cheapflights Fare Finder
Customize your flight search to find flights from Knoxville to Tucson 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 June 30, 2026.
Use the filters below to find and compare flights from Knoxville to Tucson that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KnoxvilleTucson
TYS - TUS
TYSTUS
Knoxville McGhee Tyson
Wed 8/19
7:15 am-10:20 am
1 stop6h 05m
Tucson
Sat 8/29
5:30 am-3:46 pm
1 stop7h 16m
$351
KnoxvilleTucson
TYS - TUS
TYSTUS
Knoxville McGhee Tyson
Wed 11/11
2:45 pm-9:55 pm
2 stops9h 10m
Tucson
Wed 11/18
6:10 am-3:30 pm
2 stops7h 20m
$361
KnoxvilleTucson
TYS - TUS
TYSTUS
Knoxville McGhee Tyson
Wed 8/12
4:50 pm-8:30 pm
1 stop6h 40m
Tucson
Sun 8/16
5:30 am-3:54 pm
1 stop7h 24m
$400
KnoxvilleTucson
TYS - TUS
TYSTUS
Knoxville McGhee Tyson
Sat 8/15
6:50 am-6:25 pm
2 stops14h 35m
Tucson
Mon 8/17
5:10 am-3:55 pm
2 stops7h 45m
$404
KnoxvilleTucson
TYS - TUS
TYSTUS
Knoxville McGhee Tyson
Fri 12/11
3:40 pm-11:45 pm
2 stops10h 05m
Tucson
Tue 12/15
7:45 am-3:30 pm
1 stop5h 45m
$405
KnoxvilleTucson
TYS - TUS
TYSTUS
Knoxville McGhee Tyson
Wed 8/12
3:00 pm-8:25 pm
2 stops8h 25m
Tucson
Sun 8/16
6:30 am-5:15 pm
2 stops7h 45m
$410
KnoxvilleTucson
TYS - TUS
TYSTUS
Knoxville McGhee Tyson
Thu 7/23
5:37 am-8:38 am
1 stop6h 01m
Tucson
Tue 7/28
11:37 am-11:51 pm
2 stops9h 14m
$439
Quickest round-trip
KnoxvilleTucson
TYS - TUS
TYSTUS
Knoxville McGhee Tyson
Tue 12/8
7:00 am-11:28 am
1 stop6h 28m
Tucson
Sat 12/12
1:30 pm-10:20 pm
1 stop6h 50m
$451
KnoxvilleTucson
TYS - TUS
TYSTUS
Knoxville McGhee Tyson
Fri 8/14
8:10 am-2:35 pm
2 stops9h 25m
Tucson
Sun 8/16
1:17 pm-11:18 pm
1 stop7h 01m
$454
KnoxvilleTucson
TYS - TUS
TYSTUS
Knoxville McGhee Tyson
Fri 8/14
4:50 pm-10:20 pm
2 stops8h 30m
Tucson
Sun 8/16
6:30 am-5:15 pm
2 stops7h 45m
$459
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from Knoxville to Tucson
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 Tucson in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Knoxville-Tucson flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Tucson flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Tucson flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Knoxville-Tucson 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-Tucson 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 Tucson
Have a flexible travel schedule? Discover the best time to fly to Tucson from Knoxville with our price prediction graph.
TYS-TUS
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 Tucson
What is the cheapest month to book a flight from Knoxville to Tucson?
Currently, July is the cheapest month in which you can book a flight from Knoxville to Tucson (average of $431). Flying from Knoxville to Tucson in December is currently the most expensive (average of $672). 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.
How much does it cost to fly round-trip from Knoxville to Tucson?
Reviews of airlines servicing Tucson
Get insights into the airlines that provide service to Tucson. 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 Tucson. Reviews last updated June 30, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Knoxville to Tucson 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.
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Crew
8.5
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Crew
8.5
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Crew
8.5
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Crew
8.5
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Knoxville to Tucson. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Tucson?
Book flights to Tucson if you plan to visit one of these locationsSierra Vista
Bisbee
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Knoxville and Tucson flights
Browse other Knoxville and Tucson flight options. Last updated on June 30, 2026.
Other flights from Knoxville
Browse through other flights departing from Knoxville. Flights are based on user searches made on Cheapflights and were last updated on June 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Tucson
Explore flights to Tucson departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 30, 2026.
Top 3 airlines flying from Knoxville to Tucson
Discover the top 3 airlines that operate flights from Knoxville to Tucson. 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 June 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$288 | Average$505 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$321 | Average$504 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$358 | Average$706 | FlexibilityNo cancel fee | On-time69% |