Ontario

$132+ Cheap flights from Knoxville (TYS) to Ontario

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — YYZ
Jan 14 — Jan 211
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Cheap flight deals from Knoxville to Ontario

Cheapest flights from Knoxville to Ontario
Explore the most affordable flight options available from Knoxville to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1412:31 pmTYS - YOW
1 stop11h 27mMultiple Airlines
Mon 12/159:35 amYOW - TYS
1 stop12h 04mMultiple Airlines
Deal found 12/12$536
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/182:56 pmTYS - YYZ
1 stop8h 24mMultiple Airlines
Sat 12/207:10 amYYZ - TYS
2 stops38h 46mMultiple Airlines
Deal found 12/14$629
This Kiwi.com deal was found by Cheapflights users on 12/13. 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 12/2812:31 pmTYS - YYZ
2 stops32h 48mMultiple Airlines
Sat 1/33:40 pmYYZ - TYS
1 stop16h 38mMultiple Airlines
Deal found 12/13$676
This American Airlines deal was found by Cheapflights users on 12/13. 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.
Sun 12/285:42 amTYS - YYZ
1 stop11h 47mAmerican Airlines
Sat 1/36:00 amYYZ - TYS
1 stop6h 52mAmerican Airlines
Deal found 12/13$762
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:42 pmTYS - YOW
1 stop23h 31mMultiple Airlines
Thu 12/186:55 pmYOW - TYS
2 stops25h 40mMultiple Airlines
Deal found 12/12$839
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/138:32 pmTYS - YOW
1 stop27h 26mMultiple Airlines
Thu 12/186:55 pmYOW - TYS
2 stops25h 40mMultiple Airlines
Deal found 12/12$857
This United Airlines deal was found by Cheapflights users on 12/12. 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 12/132:30 pmTYS - YOW
1 stop4h 25mUnited Airlines
Thu 12/182:15 pmYOW - TYS
1 stop5h 36mUnited Airlines
Deal found 12/12$870
This Air Canada deal was found by Cheapflights users on 12/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:45 amTYS - YUL
1 stop9h 31mAir Canada
Fri 1/24:50 pmYUL - TYS
2 stops7h 09mAir Canada
Deal found 12/13$889
This American Airlines deal was found by Cheapflights users on 12/13. 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.
Sun 12/2810:49 amTYS - YUL
1 stop12h 09mAmerican Airlines
Fri 1/27:08 amYUL - TYS
1 stop9h 36mAmerican Airlines
Deal found 12/13$894
This Air Canada deal was found by Cheapflights users on 12/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/149:40 amTYS - YOW
2 stops8h 00mAir Canada
Mon 12/157:05 amYOW - TYS
2 stops7h 38mAir Canada
Deal found 12/12$966
This American Airlines deal was found by Cheapflights users on 12/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/138:06 amTYS - YOW
2 stops16h 35mAmerican Airlines
Thu 12/186:45 amYOW - TYS
2 stops9h 06mAmerican Airlines
Deal found 12/12$969
This United Airlines deal was found by Cheapflights users on 12/12. 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.
Sun 12/286:45 amTYS - YSB
2 stops8h 54mUnited Airlines
Thu 1/19:45 amYSB - TYS
2 stops24h 30mUnited Airlines
Deal found 12/12$970

Find flight deals from Knoxville to Ontario

Keep the following information in mind while searching for Knoxville to Ontario flight deals. Data was last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$339
(Kiwi.com)

One-way from

$132
(Mytrip)
Provider with most accurate pricing for Knoxville McGhee Tyson-Toronto (YTO) flight deals.
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Toronto (YTO) flights.
From Knoxville McGhee Tyson to Ontario
One-way flight from Knoxville McGhee Tyson to Ontario

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Ontario 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 December 15, 2025.
Use the filters below to find and compare flights from Knoxville to Ontario that are best for you.

Fly from

Knoxville

Fly to

Ontario

Route

Depart

Return

Price

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Thu 1/29

9:29 am-11:20 pm

1 stop13h 51m

Toronto Pearson Intl

Sat 1/31

2:15 pm-8:39 am

2 stops18h 24m

$339

KnoxvilleMontreal

TYS - YUL

TYSYUL

Knoxville McGhee Tyson

Wed 2/25

3:50 pm-3:10 pm

1 stop23h 20m

Montreal Pierre Elliott Trudeau Intl

Sun 3/1

11:25 am-10:07 pm

2 stops10h 42m

$353

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

Sat 1/10

5:59 pm-12:42 am

2 stops30h 43m

Ottawa

Sat 1/17

9:40 am-12:49 pm

1 stop27h 09m

$362

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

Wed 1/7

9:30 am-2:27 pm

1 stop4h 57m

Ottawa

Sat 1/10

7:27 pm-10:57 am

1 stop15h 30m

$363

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

Sat 1/10

7:20 pm-11:54 pm

1 stop4h 34m

Ottawa

Sat 1/17

7:27 pm-10:57 am

1 stop15h 30m

$363

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

Fri 1/23

7:20 pm-11:54 pm

1 stop4h 34m

Ottawa

Sun 1/25

9:45 am-7:27 pm

1 stop9h 42m

$363

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

Mon 1/12

6:45 am-9:18 pm

1 stop14h 33m

Ottawa

Fri 1/16

2:15 pm-7:27 pm

1 stop5h 12m

$363

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Thu 4/9

5:10 pm-2:53 pm

1 stop21h 43m

Toronto Pearson Intl

Mon 4/13

7:15 am-5:30 pm

1 stop10h 15m

$389

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Fri 2/6

7:54 am-4:03 pm

1 stop8h 09m

Toronto Pearson Intl

Mon 2/9

11:35 am-10:09 pm

1 stop10h 34m

$412

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Thu 1/29

7:54 am-9:23 pm

1 stop13h 29m

Toronto Pearson Intl

Sat 1/31

11:30 am-9:54 pm

1 stop10h 24m

$426

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 35 results
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Best time to book a flight from Knoxville to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario 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 Ontario

What is the cheapest month to book a flight from Knoxville to Region of Ontario?

Currently, April is the cheapest month in which you can book a flight from Knoxville to Region of Ontario (average of $158). Flying from Knoxville to Region of Ontario in August is currently the most expensive (average of $815). 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 ON?

Find hourly flight availability from Knoxville to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.

When flying from Knoxville to Region of Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 48% versus a flight in the morning.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated December 15, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Knoxville to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.9

Overall

7.9

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.

Food

7.3

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.9

Overall

7.9

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.

Food

7.3

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.9

Overall

7.9

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.

Food

7.3

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.9

Overall

7.9

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 Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Knoxville to Ontario?

    Located just 11.3 mi from the city center, Knoxville McGhee Tyson (TYS) is the airport most travelers will use when flying to Ontario from Knoxville.

  • How long is the flight from Knoxville to Region of Ontario?

    There are many flights that can get you from Knoxville to Region of Ontario in 4h 57m. Fly via United Airlines or American Airlines to get the fastest option. There are 788 mi between Knoxville and Region of Ontario. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Knoxville to Region of Ontario?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Knoxville to Ontario 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 Region of Ontario?

    Currently, April is the cheapest month in which you can book a flight from Knoxville to Region of Ontario (average of $158). Flying from Knoxville to Region of Ontario in August is currently the most expensive (average of $815). 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

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Alternative routes for Knoxville to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Knoxville to Ontario

Discover the top 3 airlines that operate flights from Knoxville to Ontario. 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$728FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$443Average$755FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$554Average$755FlexibilityNo cancel feeOn-time69%

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