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$154+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — YYZ
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 septiembre 11, 2025.

Round-trip from

$301
(Kiwi.com)

One-way from

$154
(Kiwi.com)

Popular in

July

Cheapest in

December

Average price

$402
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. 29% potential increase in price ($205 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septiembre 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
vie. 10/176:00 amTYS - YYZ
1 stop16h 40mMultiple Airlines
lun. 10/209:35 amYYZ - TYS
1 stop24h 58mMultiple Airlines
Deal found 9/10$301
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/278:45 amTYS - YYZ
1 stop11h 15mMultiple Airlines
mar. 11/411:15 amYYZ - TYS
1 stop28h 27mMultiple Airlines
Deal found 9/11$310
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/265:34 pmTYS - YYZ
2 stops26h 26mMultiple Airlines
dom. 11/27:10 amYYZ - TYS
1 stop29h 23mMultiple Airlines
Deal found 9/11$351
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
sáb. 10/184:26 pmTYS - YYZ
1 stop21h 39mMultiple Airlines
sáb. 10/254:00 pmYYZ - TYS
2 stops28h 25mMultiple Airlines
Deal found 9/10$438
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
sáb. 10/258:00 amTYS - YUL
2 stops29h 00mMultiple Airlines
sáb. 11/18:00 amYUL - TYS
1 stop26h 03mMultiple Airlines
Deal found 9/10$452
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
lun. 10/67:15 amTYS - YUL
1 stop10h 40mMultiple Airlines
mié. 10/86:45 amYUL - TYS
2 stops12h 38mMultiple Airlines
Deal found 9/10$565
This United Airlines deal was found by Cheapflights users on 9/11. 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.
sáb. 11/18:26 amTYS - YUL
1 stop10h 14mUnited Airlines
sáb. 11/89:25 amYUL - TYS
1 stop24h 40mUnited Airlines
Deal found 9/11$614
This American Airlines deal was found by Cheapflights users on 9/10. 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.
mié. 10/17:14 amTYS - YYZ
1 stop10h 29mAmerican Airlines
lun. 10/66:30 amYYZ - TYS
1 stop8h 03mAmerican Airlines
Deal found 9/10$632
This United Airlines deal was found by Cheapflights users on 9/11. 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.
mié. 10/12:16 pmTYS - YYZ
1 stop19h 48mUnited Airlines
lun. 10/612:10 pmYYZ - TYS
1 stop22h 19mUnited Airlines
Deal found 9/11$653
This United Airlines deal was found by Cheapflights users on 9/10. 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.
sáb. 10/258:50 amTYS - YUL
2 stops11h 39mUnited Airlines
sáb. 11/110:50 amYUL - TYS
2 stops12h 05mUnited Airlines
Deal found 9/10$658
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/261:52 pmTYS - YYZ
2 stops17h 00mWestJet
dom. 9/286:15 amYYZ - TYS
1 stop4h 41mWestJet
Deal found 9/10$666
This Delta deal was found by Cheapflights users on 9/10. 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.
sáb. 11/13:43 pmTYS - YUL
1 stop8h 05mDelta
sáb. 11/89:28 amYUL - TYS
2 stops10h 42mDelta
Deal found 9/10$713

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 septiembre 11, 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

vie. 10/17

6:00 am-10:40 pm

1 stop16h 40m

Toronto Pearson Intl

lun. 10/20

9:35 am-10:33 am

1 stop24h 58m

$301

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

lun. 10/27

8:45 am-8:00 pm

1 stop11h 15m

Toronto Pearson Intl

mar. 11/4

11:15 am-3:42 pm

1 stop28h 27m

$310

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

dom. 10/26

9:15 pm-11:43 am

1 stop14h 28m

Toronto Pearson Intl

dom. 11/2

7:10 am-12:33 pm

1 stop29h 23m

$363

KnoxvilleMontreal

TYS - YUL

TYSYUL

Knoxville McGhee Tyson

sáb. 10/25

8:00 am-1:00 pm

2 stops29h 00m

Montreal Pierre Elliott Trudeau Intl

sáb. 11/1

8:00 am-10:03 am

1 stop26h 03m

$452

KnoxvilleMontreal

TYS - YUL

TYSYUL

Knoxville McGhee Tyson

lun. 10/6

7:15 am-5:55 pm

1 stop10h 40m

Montreal Pierre Elliott Trudeau Intl

mié. 10/8

6:45 am-7:23 pm

2 stops12h 38m

$565

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

sáb. 10/18

4:26 pm-2:05 pm

1 stop21h 39m

Toronto Pearson Intl

sáb. 10/25

6:15 am-11:04 am

1 stop4h 49m

$578

KnoxvilleMontreal

TYS - YUL

TYSYUL

Knoxville McGhee Tyson

sáb. 11/1

8:26 am-6:40 pm

1 stop10h 14m

Montreal Pierre Elliott Trudeau Intl

sáb. 11/8

9:25 am-10:05 am

1 stop24h 40m

$614

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

mié. 10/1

7:14 am-5:43 pm

1 stop10h 29m

Toronto Pearson Intl

lun. 10/6

6:30 am-2:33 pm

1 stop8h 03m

$632

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

mié. 10/1

2:16 pm-10:04 am

1 stop19h 48m

Toronto Pearson Intl

lun. 10/6

12:10 pm-10:29 am

1 stop22h 19m

$653

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

vie. 9/26

1:52 pm-6:52 am

2 stops17h 00m

Toronto Pearson Intl

dom. 9/28

6:15 am-10:56 am

1 stop4h 41m

$666

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 21 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, January is the cheapest month in which you can book a flight from Knoxville to Region of Ontario (average of $243). Flying from Knoxville to Region of Ontario in August is currently the most expensive (average of $348). 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 septiembre 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Knoxville to Region of Ontario as you normally would.

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 septiembre 11, 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.
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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!
WestJet
7.2
Good
3,091 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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!
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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 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 10h 14m. Fly via United Airlines or Air Canada to get the fastest option. There are 854 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 - Ottawa, 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, January is the cheapest month in which you can book a flight from Knoxville to Region of Ontario (average of $243). Flying from Knoxville to Region of Ontario in August is currently the most expensive (average of $348). 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 5 airlines flying from Knoxville to Ontario

Discover the top 5 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$484FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$372Average$755FlexibilityNo cancel feeOn-time71%
WestJetCheapest$382Average$528FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$488Average$755FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$692Average$812FlexibilityNo cancel feeOn-time67%

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