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$147+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — YYZ
May 30 — Jun 61
Sat 5/30
Sat 6/6
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 April 30, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/27. 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 7/1010:05 pm
TYS
-
YYZ
1 stop25h 30m
Multiple Airlines
Thu 7/167:45 am
YYZ
-
TYS
1 stop14h 39m
Multiple Airlines
Deal found 4/27$363
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 8/1212:56 pm
TYS
-
YYZ
1 stop25h 09m
Multiple Airlines
Sun 8/234:50 pm
YYZ
-
TYS
1 stop26h 15m
Multiple Airlines
Deal found 4/25$372
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Fri 6/127:22 pm
TYS
-
YYZ
1 stop24h 43m
Multiple Airlines
Fri 6/191:30 pm
YYZ
-
TYS
1 stop19h 05m
Multiple Airlines
Deal found 4/28$373
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Wed 5/134:25 pm
TYS
-
YYZ
2 stops29h 30m
Multiple Airlines
Mon 5/189:50 am
YYZ
-
TYS
1 stop7h 40m
Multiple Airlines
Deal found 4/29$375
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 6/117:15 am
TYS
-
YYZ
1 stop13h 40m
Multiple Airlines
Thu 6/184:45 pm
YYZ
-
TYS
2 stops29h 58m
Multiple Airlines
Deal found 4/27$383
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Thu 8/276:30 am
TYS
-
YOW
1 stop7h 29m
United Airlines
Mon 8/316:25 am
YOW
-
TYS
1 stop14h 23m
United Airlines
Deal found 4/27$387
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 10/129:13 am
TYS
-
YYZ
1 stop12h 06m
Multiple Airlines
Fri 10/168:10 am
YYZ
-
TYS
1 stop25h 33m
Multiple Airlines
Deal found 4/28$398
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Sun 5/317:30 am
TYS
-
YUL
1 stop10h 45m
Multiple Airlines
Sat 6/67:20 pm
YUL
-
TYS
1 stop17h 41m
Multiple Airlines
Deal found 4/29$414
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Wed 6/171:02 pm
TYS
-
YYZ
1 stop25h 03m
Multiple Airlines
Thu 6/2512:55 pm
YYZ
-
TYS
1 stop23h 04m
Multiple Airlines
Deal found 4/29$421
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/146:30 am
TYS
-
YUL
1 stop11h 45m
Multiple Airlines
Thu 5/217:20 pm
YUL
-
TYS
2 stops28h 17m
Multiple Airlines
Deal found 4/28$460
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 9/69:30 am
TYS
-
YUL
2 stops12h 40m
Multiple Airlines
Sun 9/138:00 pm
YUL
-
TYS
1 stop17h 59m
Multiple Airlines
Deal found 4/27$466
This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:45 am
TYS
-
YOW
2 stops9h 25m
Air Canada
Mon 8/319:00 am
YOW
-
TYS
2 stops7h 59m
Air Canada
Deal found 4/28$525

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 April 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$363
(Kiwi.com)

One-way from

$147
(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 April 30, 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

Fri 7/10

10:05 pm-11:35 pm

1 stop25h 30m

Toronto Pearson Intl

Thu 7/16

7:45 am-10:24 pm

1 stop14h 39m

$363

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Fri 6/12

7:22 pm-8:05 pm

1 stop24h 43m

Toronto Pearson Intl

Fri 6/19

1:30 pm-8:35 am

1 stop19h 05m

$373

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Thu 6/11

7:15 am-8:55 pm

1 stop13h 40m

Toronto Pearson Intl

Thu 6/18

4:45 pm-10:43 pm

2 stops29h 58m

$383

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

Thu 8/27

6:30 am-1:59 pm

1 stop7h 29m

Ottawa

Mon 8/31

6:25 am-8:48 pm

1 stop14h 23m

$387

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Mon 10/12

9:13 am-9:19 pm

1 stop12h 06m

Toronto Pearson Intl

Fri 10/16

8:10 am-9:43 am

1 stop25h 33m

$398

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Wed 8/12

12:56 pm-2:05 pm

1 stop25h 09m

Toronto Pearson Intl

Sun 8/23

3:40 pm-11:59 am

2 stops20h 19m

$414

KnoxvilleMontreal

TYS - YUL

TYSYUL

Knoxville McGhee Tyson

Sun 5/31

7:30 am-6:15 pm

1 stop10h 45m

Montreal Pierre Elliott Trudeau Intl

Sat 6/6

5:45 pm-9:55 pm

2 stops28h 10m

$416

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

Thu 8/27

5:45 am-1:10 pm

2 stops7h 25m

Ottawa

Mon 8/31

6:25 am-4:59 pm

1 stop10h 34m

$476

KnoxvilleMontreal

TYS - YUL

TYSYUL

Knoxville McGhee Tyson

Wed 6/3

7:59 pm-1:54 pm

1 stop17h 55m

Montreal Pierre Elliott Trudeau Intl

Sat 6/6

7:51 am-1:13 pm

1 stop5h 22m

$566

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Thu 5/14

7:00 am-11:49 am

1 stop4h 49m

Toronto Pearson Intl

Sun 5/17

7:00 am-1:16 pm

1 stop6h 16m

$566

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 38 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

How much does it cost to fly round-trip from Knoxville to Region of Ontario?

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 April 30, 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
9,677 reviews

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,677 reviews
United Airlines
7.4
Good
9,677 reviews

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,681 reviews
United Airlines
7.4
Good
9,677 reviews

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 7h 25m. Fly via United Airlines, Air Canada, 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?

    While some choose either Knoxville McGhee Tyson - Toronto Pearson Intl or Knoxville McGhee Tyson - Sudbury, Knoxville McGhee Tyson - Montreal Pierre Elliott Trudeau 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

Browse thousands of different options on Cheapflights for your next trip

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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 April 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$362Average$741FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$427Average$683FlexibilityNo cancel feeOn-time71%

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