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$163+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — YYZ
apr 15 — apr 221
ons 4/15
ons 4/22
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 mars 16, 2026.

This United Airlines deal was found by Cheapflights users on 3/14. 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.
lör 4/119:40 am
TYS
-
YOW
1 stop9h 15m
United Airlines
lör 4/187:30 pm
YOW
-
TYS
1 stop15h 20m
United Airlines
Deal found 3/14$366
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
tors 4/309:25 pm
TYS
-
YYZ
1 stop14h 20m
Multiple Airlines
tors 5/71:30 pm
YYZ
-
TYS
1 stop7h 20m
Multiple Airlines
Deal found 3/16$385
This United Airlines deal was found by Cheapflights users on 3/13. 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.
ons 5/207:00 am
TYS
-
YOW
1 stop6h 59m
United Airlines
tis 5/267:30 pm
YOW
-
TYS
1 stop4h 24m
United Airlines
Deal found 3/13$392
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
tors 4/169:32 pm
TYS
-
YYZ
1 stop16h 33m
Multiple Airlines
mån 4/207:10 am
YYZ
-
TYS
1 stop10h 20m
Multiple Airlines
Deal found 3/13$395
This Kiwi.com deal was found by Cheapflights users on 3/12. 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.
fre 4/247:10 am
TYS
-
YYZ
2 stops9h 10m
Multiple Airlines
sön 4/268:20 pm
YYZ
-
TYS
1 stop21h 10m
Multiple Airlines
Deal found 3/12$405
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
mån 6/152:46 pm
TYS
-
YYZ
1 stop26h 23m
Multiple Airlines
fre 6/198:10 am
YYZ
-
TYS
1 stop9h 34m
Multiple Airlines
Deal found 3/16$406
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
tis 6/95:02 pm
TYS
-
YYZ
1 stop23h 53m
Multiple Airlines
tis 6/166:30 am
YYZ
-
TYS
1 stop9h 42m
Multiple Airlines
Deal found 3/16$407
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
sön 6/147:30 am
TYS
-
YUL
1 stop10h 45m
Multiple Airlines
mån 6/156:30 am
YUL
-
TYS
2 stops10h 10m
Multiple Airlines
Deal found 3/13$412
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
fre 4/247:30 am
TYS
-
YUL
1 stop7h 40m
Multiple Airlines
sön 4/268:00 am
YUL
-
TYS
1 stop12h 42m
Multiple Airlines
Deal found 3/11$420
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
fre 5/297:10 am
TYS
-
YYZ
1 stop28h 25m
Multiple Airlines
mån 6/18:10 am
YYZ
-
TYS
1 stop26h 31m
Multiple Airlines
Deal found 3/15$423
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
fre 4/37:10 am
TYS
-
YYZ
2 stops13h 00m
Multiple Airlines
mån 4/67:10 am
YYZ
-
TYS
1 stop11h 11m
Multiple Airlines
Deal found 3/11$431
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
fre 3/272:06 pm
TYS
-
YUL
1 stop10h 24m
Multiple Airlines
sön 3/298:00 am
YUL
-
TYS
1 stop24h 08m
Multiple Airlines
Deal found 3/11$435

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 mars 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$366
(United Airlines)

One-way from

$163
(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 mars 16, 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

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

lör 4/11

9:40 am-6:55 pm

1 stop9h 15m

Ottawa

lör 4/18

7:30 pm-10:50 am

1 stop15h 20m

$366

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

fre 4/24

7:10 am-4:20 pm

2 stops9h 10m

Toronto Pearson Intl

sön 4/26

8:20 pm-5:30 pm

1 stop21h 10m

$405

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

fre 4/3

7:10 am-8:10 pm

2 stops13h 00m

Toronto Pearson Intl

mån 4/6

7:10 am-6:21 pm

1 stop11h 11m

$431

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

fre 4/17

7:10 am-8:10 pm

2 stops13h 00m

Toronto Pearson Intl

mån 4/20

7:10 am-5:30 pm

1 stop10h 20m

$462

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

sön 7/19

12:59 pm-4:45 pm

1 stop27h 46m

Toronto Pearson Intl

tors 7/23

5:50 pm-11:50 am

1 stop18h 00m

$471

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

mån 7/20

7:10 am-10:05 pm

1 stop14h 55m

Toronto Pearson Intl

tors 7/23

5:50 pm-11:50 am

1 stop18h 00m

$477

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

fre 9/4

6:30 am-9:35 pm

1 stop15h 05m

Ottawa

ons 9/9

10:37 am-4:59 pm

1 stop6h 22m

$479

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

tors 4/30

3:40 pm-8:00 am

2 stops16h 20m

Toronto Pearson Intl

tors 5/7

1:30 pm-8:50 pm

1 stop7h 20m

$479

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

lör 4/11

5:37 am-4:45 pm

1 stop11h 08m

Toronto Pearson Intl

lör 4/18

11:10 am-9:50 pm

1 stop10h 40m

$498

KnoxvilleOttawa

TYS - YOW

TYSYOW

Knoxville McGhee Tyson

fre 3/27

7:00 am-9:18 pm

1 stop14h 18m

Ottawa

mån 3/30

6:25 am-10:29 pm

1 stop16h 04m

$502

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

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
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 mars 16, 2026.
Read reviews from past customers who have flown American Airlines from Knoxville to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,467 reviews

Boarding

7.5

Food

6.4

Crew

7.9

Overall

7.1

Comfort

7.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,467 reviews
American Airlines
7.1
Good
11,467 reviews

Boarding

7.5

Food

6.4

Crew

7.9

Overall

7.1

Comfort

7.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

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 9h 15m. Fly via United Airlines 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 - 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Knoxville to Ontario

Discover the top airline 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 mars 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$372Average$739FlexibilityNo cancel feeOn-time71%

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