HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Tucson

$211+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — TUS
Oct 29 — Nov 51
Wed 10/29
Wed 11/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

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 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 September 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$437
(American Airlines)

One-way from

$211
(Kiwi.com)

Popular in

September

Cheapest in

January

Average price

$544
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. 21% potential increase in price ($108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find 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 September 29, 2025.

This American Airlines deal was found by Cheapflights users on 9/27. 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 10/306:22 pmTYS - TUS
1 stop8h 25mAmerican Airlines
Sun 11/28:00 amTUS - TYS
1 stop5h 37mAmerican Airlines
Deal found 9/27$437
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:44 amTYS - TUS
2 stops13h 23mDelta
Sun 11/27:00 amTUS - TYS
1 stop7h 31mDelta
Deal found 9/28$461
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Tue 12/235:15 pmTYS - TUS
1 stop6h 53mUnited Airlines
Sat 12/2712:13 pmTUS - TYS
1 stop5h 37mUnited Airlines
Deal found 9/29$479
This American Airlines deal was found by Cheapflights users on 9/27. 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.
Sat 10/186:00 amTYS - TUS
1 stop5h 54mAmerican Airlines
Sun 10/263:39 pmTUS - TYS
1 stop5h 12mAmerican Airlines
Deal found 9/27$481
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Tue 12/235:15 pmTYS - TUS
1 stop6h 53mUnited Airlines
Fri 12/266:40 amTUS - TYS
1 stop6h 20mUnited Airlines
Deal found 9/29$503
This United Airlines deal was found by Cheapflights users on 9/29. 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 12/249:05 amTYS - TUS
2 stops10h 48mUnited Airlines
Sat 12/277:30 amTUS - TYS
1 stop8h 40mUnited Airlines
Deal found 9/29$508
This American Airlines deal was found by Cheapflights users on 9/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/25:30 amTYS - TUS
1 stop6h 15mAmerican Airlines
Sat 10/41:31 pmTUS - TYS
1 stop7h 50mAmerican Airlines
Deal found 9/29$524
This United Airlines deal was found by Cheapflights users on 9/29. 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 12/249:05 amTYS - TUS
2 stops10h 48mUnited Airlines
Fri 12/2612:13 pmTUS - TYS
1 stop5h 37mUnited Airlines
Deal found 9/29$532
This United Airlines deal was found by Cheapflights users on 9/29. 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 12/259:05 amTYS - TUS
2 stops10h 48mUnited Airlines
Sat 12/2712:13 pmTUS - TYS
1 stop5h 37mUnited Airlines
Deal found 9/29$533

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 September 29, 2025.
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

Thu 10/30

6:22 pm-11:47 pm

1 stop8h 25m

Tucson

Sun 11/2

8:00 am-3:37 pm

1 stop5h 37m

$437

KnoxvilleTucson

TYS - TUS

TYSTUS

Knoxville McGhee Tyson

Thu 10/30

5:44 am-4:07 pm

2 stops13h 23m

Tucson

Sun 11/2

7:00 am-4:31 pm

1 stop7h 31m

$461

KnoxvilleTucson

TYS - TUS

TYSTUS

Knoxville McGhee Tyson

Tue 12/23

5:15 pm-10:08 pm

1 stop6h 53m

Tucson

Sat 12/27

12:13 pm-7:50 pm

1 stop5h 37m

$479

KnoxvilleTucson

TYS - TUS

TYSTUS

Knoxville McGhee Tyson

Wed 12/24

7:00 am-11:32 am

1 stop6h 32m

Tucson

Sat 12/27

12:13 pm-7:50 pm

1 stop5h 37m

$479

KnoxvilleTucson

TYS - TUS

TYSTUS

Knoxville McGhee Tyson

Sat 10/18

6:00 am-8:54 am

1 stop5h 54m

Tucson

Sun 10/26

3:39 pm-11:51 pm

1 stop5h 12m

$481

KnoxvilleTucson

TYS - TUS

TYSTUS

Knoxville McGhee Tyson

Tue 12/23

5:15 pm-10:08 pm

1 stop6h 53m

Tucson

Fri 12/26

6:40 am-3:00 pm

1 stop6h 20m

$503

KnoxvilleTucson

TYS - TUS

TYSTUS

Knoxville McGhee Tyson

Wed 12/24

7:00 am-11:32 am

1 stop6h 32m

Tucson

Sun 12/28

12:26 pm-10:39 pm

1 stop8h 13m

$503

KnoxvilleTucson

TYS - TUS

TYSTUS

Knoxville McGhee Tyson

Sun 10/19

7:00 am-11:39 am

2 stops31h 39m

$211

KnoxvilleTucson

TYS - TUS

TYSTUS

Knoxville McGhee Tyson

Sat 11/22

5:36 pm-11:59 pm

1 stop8h 23m

$219

KnoxvilleTucson

TYS - TUS

TYSTUS

Knoxville McGhee Tyson

Sun 10/19

7:00 am-10:39 am

1 stop6h 39m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/27

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 September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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, August is the cheapest month in which you can book a flight from Knoxville to Tucson (average of $361). Flying from Knoxville to Tucson in March is currently the most expensive (average of $424). 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 TUS?

Find hourly flight availability from Knoxville to Tucson. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 29, 2025.

A simple way to save on the total cost of your ticket is to fly from Knoxville to Tucson in the afternoon. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight in the morning.

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 September 29, 2025.
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
8.0
Very good
7,964 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,924 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    American Airlines and Delta can get you from Knoxville to Tucson in just under 8h 25m. Your travel time can differ by up to 4h 58m. 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 $258, 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 36% 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, August is the cheapest month in which you can book a flight from Knoxville to Tucson (average of $361). Flying from Knoxville to Tucson in March is currently the most expensive (average of $424). 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

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

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 September 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$349FlexibilityNo cancel feeOn-time71%
DeltaCheapest$288Average$313FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$308Average$536FlexibilityNo cancel feeOn-time69%

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.