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$208+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — YYZ
ago. 3 — ago. 101
dom. 8/3
dom. 8/10
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 julio 29, 2025.

Round-trip from

$320
(Mytrip)

One-way from

$208
(Mytrip)

Popular in

July

Cheapest in

September

Average price

$781
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. 26% potential increase in price ($170 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 29, 2025.

This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/128:49 pmTYS - YYZ
1 stop17h 16mMultiple Airlines
vie. 9/199:35 amYYZ - TYS
1 stop10h 24mMultiple Airlines
Deal found 7/29$320
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/197:15 amTYS - YUL
1 stop10h 40mMultiple Airlines
lun. 9/221:10 pmYUL - TYS
2 stops9h 11mMultiple Airlines
Deal found 7/29$366
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/267:00 amTYS - YYZ
1 stop16h 08mUnited Airlines
dom. 9/287:00 amYYZ - TYS
1 stop27h 10mUnited Airlines
Deal found 7/27$530
This Mytrip deal was found by Cheapflights users on 7/28. 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.
dom. 9/217:35 pmTYS - YOW
3 stops25h 00mMultiple Airlines
sáb. 9/274:25 pmYOW - TYS
2 stops18h 53mMultiple Airlines
Deal found 7/28$534
This American Airlines deal was found by Cheapflights users on 7/29. 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.
mar. 9/26:00 amTYS - YYZ
1 stop8h 44mAmerican Airlines
dom. 9/711:00 amYYZ - TYS
1 stop10h 41mAmerican Airlines
Deal found 7/29$546
This American Airlines deal was found by Cheapflights users on 7/27. 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.
mar. 8/267:55 amTYS - YUL
1 stop8h 47mAmerican Airlines
mar. 9/212:30 pmYUL - TYS
1 stop8h 43mAmerican Airlines
Deal found 7/27$559
This Delta deal was found by Cheapflights users on 7/28. 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.
sáb. 9/1310:50 amTYS - YUL
1 stop8h 35mDelta
lun. 9/157:00 amYUL - TYS
2 stops11h 26mDelta
Deal found 7/28$576
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/197:00 amTYS - YUL
1 stop11h 50mUnited Airlines
lun. 8/254:55 pmYUL - TYS
1 stop17h 18mUnited Airlines
Deal found 7/27$614
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/47:00 amTYS - YOW
1 stop10h 06mUnited Airlines
sáb. 10/116:33 amYOW - TYS
1 stop16h 17mUnited Airlines
Deal found 7/27$719
This FlightHub deal was found by Cheapflights users on 7/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/294:19 pmTYS - YUL
1 stop21h 19mWestJet
lun. 9/17:00 amYUL - TYS
1 stop6h 08mWestJet
Deal found 7/28$726

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 julio 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

vie. 9/12

8:49 pm-2:05 pm

1 stop17h 16m

Toronto Pearson Intl

vie. 9/19

9:35 am-7:59 pm

1 stop10h 24m

$320

KnoxvilleMontreal

TYS - YUL

TYSYUL

Knoxville McGhee Tyson

vie. 9/19

7:15 am-5:55 pm

1 stop10h 40m

Montreal Pierre Elliott Trudeau Intl

lun. 9/22

1:10 pm-10:21 pm

2 stops9h 11m

$366

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

vie. 9/26

7:00 am-11:08 pm

1 stop16h 08m

Toronto Pearson Intl

dom. 9/28

7:00 am-10:10 am

1 stop27h 10m

$530

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

dom. 9/21

7:35 pm-8:35 pm

3 stops25h 00m

Ottawa

sáb. 9/27

4:25 pm-11:18 am

2 stops18h 53m

$534

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

mar. 9/2

6:00 am-2:44 pm

1 stop8h 44m

Toronto Pearson Intl

dom. 9/7

11:00 am-9:41 pm

1 stop10h 41m

$546

KnoxvilleMontreal

TYS - YUL

TYSYUL

Knoxville McGhee Tyson

mar. 8/26

7:55 am-4:42 pm

1 stop8h 47m

Montreal Pierre Elliott Trudeau Intl

mar. 9/2

12:30 pm-9:13 pm

1 stop8h 43m

$559

KnoxvilleMontreal

TYS - YUL

TYSYUL

Knoxville McGhee Tyson

sáb. 9/13

10:50 am-7:25 pm

1 stop8h 35m

Montreal Pierre Elliott Trudeau Intl

lun. 9/15

7:00 am-6:26 pm

2 stops11h 26m

$576

KnoxvilleMontreal

TYS - YUL

TYSYUL

Knoxville McGhee Tyson

mar. 8/19

7:00 am-6:50 pm

1 stop11h 50m

Montreal Pierre Elliott Trudeau Intl

lun. 8/25

4:55 pm-10:13 am

1 stop17h 18m

$614

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

sáb. 10/4

7:00 am-5:06 pm

1 stop10h 06m

Ottawa

sáb. 10/11

6:33 am-10:50 pm

1 stop16h 17m

$719

KnoxvilleMontreal

TYS - YUL

TYSYUL

Knoxville McGhee Tyson

vie. 8/29

4:19 pm-1:38 pm

1 stop21h 19m

Montreal Pierre Elliott Trudeau Intl

lun. 9/1

7:00 am-1:08 pm

1 stop6h 08m

$726

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 15 results
1
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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 julio 29, 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 julio 29, 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
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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
2,973 reviews
Delta
8.0
Very good
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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.

  • 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 julio 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$477FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$160Average$483FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$360Average$658FlexibilityNo cancel feeOn-time69%
WestJetCheapest$373Average$487FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$692Average$812FlexibilityNo cancel feeOn-time67%

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