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$143+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — YYZ
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Knoxville to Ontario

Keep the following information in mind while searching for Knoxville to Ontario flight deals. Data was last updated October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$310
(Kiwi.com)

One-way from

$143
(Kiwi.com)

Popular in

September

Cheapest in

December

Average price

$817
Provider with most accurate pricing for Knoxville McGhee Tyson-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Toronto (YTO) flights.
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From Knoxville McGhee Tyson to Ontario
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One-way flight from Knoxville McGhee Tyson to Ontario
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Highest demand for flights based on searches. 25% potential increase in price ($202 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/412:31 pmTYS - YYZ
1 stop11h 40mMultiple Airlines
Sun 12/77:15 amYYZ - TYS
2 stops14h 29mMultiple Airlines
Deal found 10/28$317
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:45 pmTYS - YYZ
1 stop13h 58mMultiple Airlines
Mon 11/2412:50 pmYYZ - TYS
1 stop10h 02mMultiple Airlines
Deal found 10/28$398
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/121:05 pmTYS - YYZ
1 stop6h 55mMultiple Airlines
Fri 12/197:10 amYYZ - TYS
1 stop14h 43mMultiple Airlines
Deal found 10/28$404
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/115:12 pmTYS - YYZ
2 stops26h 48mMultiple Airlines
Thu 12/189:00 amYYZ - TYS
3 stops23h 03mMultiple Airlines
Deal found 10/27$408
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/169:54 amTYS - YYZ
2 stops35h 13mMultiple Airlines
Fri 11/2112:50 pmYYZ - TYS
1 stop8h 40mMultiple Airlines
Deal found 10/27$410
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/115:12 pmTYS - YUL
1 stop23h 11mMultiple Airlines
Thu 12/181:40 pmYUL - TYS
2 stops8h 16mMultiple Airlines
Deal found 10/27$421
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:04 pmTYS - YYZ
1 stop13h 39mMultiple Airlines
Tue 12/303:40 pmYYZ - TYS
1 stop18h 38mMultiple Airlines
Deal found 10/28$422
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:38 pmTYS - YUL
1 stop6h 52mMultiple Airlines
Wed 12/246:45 amYUL - TYS
2 stops9h 30mMultiple Airlines
Deal found 10/27$457
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/169:54 amTYS - YUL
2 stops14h 36mMultiple Airlines
Sat 11/225:25 pmYUL - TYS
3 stops22h 38mMultiple Airlines
Deal found 10/27$524
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Mon 12/295:42 amTYS - YUL
1 stop6h 38mAmerican Airlines
Fri 1/27:30 amYUL - TYS
1 stop13h 13mAmerican Airlines
Deal found 10/28$722

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 October 29, 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 12/4

12:31 pm-12:11 am

1 stop11h 40m

Toronto Pearson Intl

Sun 12/7

7:15 am-9:44 pm

2 stops14h 29m

$317

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Sat 1/24

5:30 pm-11:46 am

1 stop18h 16m

Toronto Pearson Intl

Sat 1/31

8:30 pm-8:39 am

1 stop12h 09m

$328

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Sat 1/24

8:30 am-9:19 pm

1 stop12h 49m

Toronto Pearson Intl

Fri 1/30

7:15 am-10:28 pm

2 stops15h 13m

$338

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Mon 1/26

6:00 am-8:10 pm

2 stops14h 10m

Toronto Pearson Intl

Sat 1/31

8:30 pm-8:39 am

1 stop12h 09m

$339

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Mon 1/26

6:00 am-8:10 pm

2 stops14h 10m

Toronto Pearson Intl

Wed 1/28

8:30 pm-8:39 am

1 stop12h 09m

$339

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Sun 1/25

2:26 pm-11:46 am

1 stop21h 20m

Toronto Pearson Intl

Fri 1/30

12:15 pm-10:28 pm

1 stop10h 13m

$350

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

Thu 2/19

6:45 am-9:18 pm

1 stop14h 33m

Ottawa

Sun 2/22

7:30 pm-10:49 am

1 stop15h 19m

$363

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Wed 1/7

3:53 pm-9:19 pm

1 stop29h 26m

Toronto Pearson Intl

Sun 1/11

8:00 pm-10:10 am

1 stop14h 10m

$365

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Sat 1/24

8:30 am-9:19 pm

1 stop12h 49m

Toronto Pearson Intl

Sun 2/1

7:45 pm-12:05 pm

1 stop16h 20m

$371

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

Thu 2/19

9:40 am-5:42 pm

2 stops8h 02m

Ottawa

Sun 2/22

7:30 pm-10:49 am

1 stop15h 19m

$443

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 20 results
1
2

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 October 29, 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 47% 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 October 29, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines, and Air Canada from Knoxville to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,001 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,001 reviews
United Airlines
7.4
Good
9,001 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,032 reviews
United Airlines
7.4
Good
9,001 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Air Canada
7.1
Good
10,371 reviews
United Airlines
7.4
Good
9,001 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 8h 02m. Fly via United Airlines or Air Canada 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?

    While some choose either Knoxville McGhee Tyson - Montreal Pierre Elliott Trudeau Intl or Knoxville McGhee Tyson - Sudbury, Knoxville McGhee Tyson - Toronto Pearson Intl is the most popular route 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.
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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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$418Average$755FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$488Average$755FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$692Average$812FlexibilityNo cancel feeOn-time67%

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