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$146+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — YYZ
Aug 30 — Sep 61
Sun 8/30
Sun 9/6
1 adult, Economy
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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 July 31, 2026.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:40 pm
TYS
-
YYZ
1 stop23h 15m
Multiple Airlines
Fri 10/21:30 pm
YYZ
-
TYS
1 stop19h 05m
Multiple Airlines
Deal found 7/28$319
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:49 pm
TYS
-
YYZ
1 stop22h 16m
Multiple Airlines
Wed 9/29:30 am
YYZ
-
TYS
1 stop24h 34m
Multiple Airlines
Deal found 7/27$338
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:55 pm
TYS
-
YYZ
1 stop19h 10m
Multiple Airlines
Mon 9/219:50 am
YYZ
-
TYS
1 stop10h 49m
Multiple Airlines
Deal found 7/27$339
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/288:30 am
TYS
-
YYZ
1 stop12h 20m
Multiple Airlines
Wed 9/29:30 am
YYZ
-
TYS
1 stop24h 34m
Multiple Airlines
Deal found 7/30$370
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:54 am
TYS
-
YYZ
1 stop10h 01m
Multiple Airlines
Mon 9/284:45 pm
YYZ
-
TYS
2 stops45h 57m
Multiple Airlines
Deal found 7/27$374
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:18 pm
TYS
-
YYZ
1 stop24h 27m
Multiple Airlines
Fri 9/184:55 pm
YYZ
-
TYS
1 stop22h 06m
Multiple Airlines
Deal found 7/28$376
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:30 am
TYS
-
YYZ
1 stop15h 40m
Multiple Airlines
Mon 11/236:30 am
YYZ
-
TYS
1 stop16h 59m
Multiple Airlines
Deal found 7/27$378
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:54 am
TYS
-
YYZ
1 stop30h 01m
Multiple Airlines
Wed 9/169:30 am
YYZ
-
TYS
1 stop24h 34m
Multiple Airlines
Deal found 7/27$380
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:15 am
TYS
-
YYZ
1 stop14h 40m
Multiple Airlines
Mon 11/306:30 am
YYZ
-
TYS
1 stop16h 28m
Multiple Airlines
Deal found 7/28$384
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Mon 9/218:00 am
TYS
-
YYZ
1 stop12h 50m
Multiple Airlines
Fri 9/254:55 pm
YYZ
-
TYS
1 stop22h 06m
Multiple Airlines
Deal found 7/30$389
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 11/58:55 am
TYS
-
YOW
1 stop8h 25m
Multiple Airlines
Thu 11/128:00 am
YOW
-
TYS
1 stop13h 35m
Multiple Airlines
Deal found 7/26$470
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 9/137:10 am
TYS
-
YUL
2 stops28h 05m
Multiple Airlines
Sun 9/203:15 pm
YUL
-
TYS
1 stop22h 49m
Multiple Airlines
Deal found 7/30$473

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 July 31, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$319
(Kiwi.com)

One-way from

$146
(Kiwi.com)
Provider with most accurate pricing for Knoxville McGhee Tyson-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Toronto (YTO) flights.
Search Deals
From Knoxville McGhee Tyson to Ontario
Search Deals
One-way flight from Knoxville McGhee Tyson to Ontario
Search Deals

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 July 31, 2026.
Use the filters below to find and compare flights from Knoxville to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Sat 9/19

6:55 pm-2:05 pm

1 stop19h 10m

Toronto Pearson Intl

Mon 9/21

9:50 am-8:39 pm

1 stop10h 49m

$339

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Mon 9/14

4:18 pm-4:45 pm

1 stop24h 27m

Toronto Pearson Intl

Fri 9/18

4:55 pm-3:01 pm

1 stop22h 06m

$376

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Mon 9/28

12:22 pm-9:55 pm

2 stops9h 33m

Toronto Pearson Intl

Fri 10/2

8:10 am-9:06 pm

1 stop12h 56m

$416

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Sat 9/19

9:30 am-10:04 pm

2 stops12h 34m

Toronto Pearson Intl

Sun 9/20

6:00 am-10:18 am

1 stop4h 18m

$429

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Mon 9/21

7:04 pm-7:35 pm

2 stops24h 31m

Toronto Pearson Intl

Fri 9/25

4:55 pm-3:01 pm

1 stop22h 06m

$448

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Sun 8/30

10:54 am-2:55 pm

2 stops28h 01m

Toronto Pearson Intl

Tue 9/1

6:34 pm-11:52 pm

1 stop5h 18m

$467

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Thu 8/13

7:15 am-11:19 am

1 stop4h 04m

Toronto Pearson Intl

Thu 8/20

12:55 pm-2:01 pm

1 stop25h 06m

$473

KnoxvilleMontreal

TYS - YUL

TYSYUL

Knoxville McGhee Tyson

Mon 9/14

9:10 am-2:08 pm

1 stop4h 58m

Montreal Pierre Elliott Trudeau Intl

Fri 9/18

9:00 am-3:01 pm

2 stops30h 01m

$477

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Mon 9/7

1:22 pm-6:39 am

1 stop17h 17m

Toronto Pearson Intl

Thu 9/10

1:30 pm-10:04 am

1 stop20h 34m

$486

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Tue 8/18

11:38 am-3:20 pm

1 stop3h 42m

Toronto Pearson Intl

Fri 8/21

5:10 pm-3:07 pm

1 stop21h 57m

$492

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 36 resultsSorted by cheapest first
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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

No data available for this route at this time. Please check back soon.

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 July 31, 2026.
Read reviews from past customers who have flown 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.
United Airlines
7.4
Good
10,053 reviews

Entertainment

7.1

Food

6.7

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
10,053 reviews
United Airlines
7.4
Good
10,053 reviews

Entertainment

7.1

Food

6.7

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,846 reviews
United Airlines
7.4
Good
10,053 reviews

Entertainment

7.1

Food

6.7

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 11h 05m. Fly via WestJet or United Airlines 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.

See more FAQs

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Top 2 airlines flying from Knoxville to Ontario

Discover the top 2 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 July 31, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$381Average$708FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$427Average$683FlexibilityNo cancel feeOn-time71%

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