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$180+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — TUS
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from Knoxville to Tucson

Cheapest flights from Knoxville to Tucson
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 February 12, 2026.

This Delta deal was found by Cheapflights users on 2/9. 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.
Tue 3/245:40 am
TYS
-
TUS
1 stop8h 50m
Delta
Tue 3/316:25 am
TUS
-
TYS
1 stop6h 41m
Delta
Deal found 2/9$359
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/177:00 am
TYS
-
TUS
2 stops11h 47m
United Airlines
Tue 3/246:00 am
TUS
-
TYS
1 stop6h 02m
United Airlines
Deal found 2/10$364
This Delta deal was found by Cheapflights users on 2/10. 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.
Mon 3/306:38 pm
TYS
-
TUS
1 stop6h 03m
Delta
Wed 4/13:24 pm
TUS
-
TYS
1 stop5h 33m
Delta
Deal found 2/10$372
This American Airlines deal was found by Cheapflights users on 2/10. 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 3/175:05 am
TYS
-
TUS
1 stop6h 40m
American Airlines
Tue 3/247:00 am
TUS
-
TYS
1 stop5h 37m
American Airlines
Deal found 2/10$385
This United Airlines deal was found by Cheapflights users on 2/11. 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 9/97:00 am
TYS
-
TUS
1 stop6h 40m
United Airlines
Sat 9/261:30 pm
TUS
-
TYS
1 stop5h 50m
United Airlines
Deal found 2/11$389
This American Airlines deal was found by Cheapflights users on 2/11. 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 3/105:05 am
TYS
-
TUS
1 stop6h 40m
American Airlines
Tue 3/108:14 pm
TUS
-
TYS
2 stops9h 28m
American Airlines
Deal found 2/11$390
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 2/253:50 pm
TYS
-
TUS
2 stops28h 57m
Multiple Airlines
Sun 3/19:20 pm
TUS
-
TYS
1 stop23h 34m
Multiple Airlines
Deal found 2/10$391
This American Airlines deal was found by Cheapflights users on 2/9. 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 3/244:29 pm
TYS
-
TUS
2 stops8h 36m
American Airlines
Tue 3/318:14 pm
TUS
-
TYS
2 stops9h 28m
American Airlines
Deal found 2/9$395
This United Airlines deal was found by Cheapflights users on 2/12. 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 3/74:55 pm
TYS
-
TUS
1 stop7h 19m
United Airlines
Wed 3/116:00 am
TUS
-
TYS
1 stop6h 02m
United Airlines
Deal found 2/12$396
This American Airlines deal was found by Cheapflights users on 2/11. 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 9/97:15 am
TYS
-
TUS
2 stops8h 51m
American Airlines
Sat 9/2612:17 pm
TUS
-
TYS
2 stops8h 29m
American Airlines
Deal found 2/11$399
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Mon 3/96:21 pm
TYS
-
TUS
1 stop7h 58m
American Airlines
Thu 3/193:42 pm
TUS
-
TYS
1 stop5h 09m
American Airlines
Deal found 2/11$411

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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$359
(Delta)

One-way from

$180
(Delta)

Popular in

December

Cheapest in

July

Average price

$496
Provider with most accurate pricing for Knoxville McGhee Tyson-Tucson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Tucson flights.
Search Deals
From Knoxville McGhee Tyson to Tucson
Search Deals
One-way flight from Knoxville McGhee Tyson to Tucson
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 12, 2026.
Use the filters below to find and compare flights from Knoxville to Tucson that are best for you.

Fly from

Knoxville

Fly to

Tucson

Route

Depart

Return

Price

KnoxvilleTucson

TYS - TUS

TYSTUS

Knoxville McGhee Tyson

Wed 4/1

5:10 pm-9:41 pm

1 stop7h 31m

Tucson

Wed 4/8

3:24 pm-11:57 pm

1 stop5h 33m

$359

KnoxvilleTucson

TYS - TUS

TYSTUS

Knoxville McGhee Tyson

Tue 3/24

7:05 am-3:47 pm

2 stops11h 42m

Tucson

Tue 3/31

6:00 am-3:06 pm

1 stop6h 06m

$364

KnoxvilleTucson

TYS - TUS

TYSTUS

Knoxville McGhee Tyson

Wed 4/1

5:15 pm-9:22 pm

1 stop7h 07m

Tucson

Wed 4/8

6:00 am-4:52 pm

2 stops7h 52m

$364

KnoxvilleTucson

TYS - TUS

TYSTUS

Knoxville McGhee Tyson

Tue 3/17

7:00 am-3:47 pm

2 stops11h 47m

Tucson

Tue 3/24

6:00 am-3:02 pm

1 stop6h 02m

$364

KnoxvilleTucson

TYS - TUS

TYSTUS

Knoxville McGhee Tyson

Mon 3/30

6:38 pm-9:41 pm

1 stop6h 03m

Tucson

Wed 4/1

3:24 pm-11:57 pm

1 stop5h 33m

$372

KnoxvilleTucson

TYS - TUS

TYSTUS

Knoxville McGhee Tyson

Tue 3/10

5:05 am-8:45 am

1 stop6h 40m

Tucson

Tue 3/10

8:14 pm-8:42 am

2 stops9h 28m

$390

KnoxvilleTucson

TYS - TUS

TYSTUS

Knoxville McGhee Tyson

Wed 2/25

3:50 pm-6:47 pm

2 stops28h 57m

Tucson

Sun 3/1

9:20 pm-10:54 pm

1 stop23h 34m

$391

KnoxvilleTucson

TYS - TUS

TYSTUS

Knoxville McGhee Tyson

Sat 3/7

4:55 pm-10:14 pm

1 stop7h 19m

Tucson

Wed 3/11

6:00 am-3:02 pm

1 stop6h 02m

$396

KnoxvilleTucson

TYS - TUS

TYSTUS

Knoxville McGhee Tyson

Mon 3/9

6:21 pm-11:19 pm

1 stop7h 58m

Tucson

Thu 3/19

3:42 pm-11:51 pm

1 stop5h 09m

$411

KnoxvilleTucson

TYS - TUS

TYSTUS

Knoxville McGhee Tyson

Tue 3/17

2:25 pm-10:10 pm

2 stops10h 45m

Tucson

Tue 3/24

5:15 am-8:05 pm

2 stops11h 50m

$414

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 21 results
1
2
3

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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-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.
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, May is the cheapest month in which you can book a flight from Knoxville to Tucson (average of $138). Flying from Knoxville to Tucson in January is currently the most expensive (average of $335). 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.

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 February 12, 2026.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American 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.
Delta
7.9
Good
8,187 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,187 reviews
Delta
7.9
Good
8,187 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,283 reviews
Delta
7.9
Good
8,187 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,275 reviews
Delta
7.9
Good
8,187 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • How long is the flight from Knoxville to Tucson?

    Delta and United Airlines can get you from Knoxville to Tucson in just under 7h 31m. Your travel time can differ by up to 4h 11m. Airlines will cover a distance of 1559 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    American Airlines, at $282, was found to be the cheapest airline from Knoxville to Tucson.Alternate airlines to your destination round-trip include Delta and United Airlines. American Airlines is 39% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Knoxville to Tucson 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 Tucson?

    Currently, May is the cheapest month in which you can book a flight from Knoxville to Tucson (average of $138). Flying from Knoxville to Tucson in January is currently the most expensive (average of $335). 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 Tucson?

Book flights to Tucson if you plan to visit one of these locations
Sierra Vista
Green Valley

Browse thousands of different options on Cheapflights for your next trip

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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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$282Average$440FlexibilityNo cancel feeOn-time71%
DeltaCheapest$282Average$378FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$380Average$544FlexibilityNo cancel feeOn-time69%

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