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Niagara Falls

$223+ Cheap flights from Knoxville (TYS) to Niagara Falls, ON, Canada

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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — YYZ
Aug 14 — Aug 211
Fri 8/14
Fri 8/21
1 adult, Economy
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Cheap flight deals from Knoxville to Niagara Falls

Cheapest flights from Knoxville to Niagara Falls
Explore the most affordable flight options available from Knoxville to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Sat 8/226:56 pm
TYS
-
YYZ
1 stop20h 04m
Multiple Airlines
Sat 8/297:25 am
YYZ
-
TYS
1 stop7h 42m
Multiple Airlines
Deal found 7/12$327
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Sun 9/137:10 am
TYS
-
YYZ
1 stop14h 15m
Multiple Airlines
Fri 9/184:55 pm
YYZ
-
TYS
1 stop22h 06m
Multiple Airlines
Deal found 7/13$357
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:45 am
TYS
-
YYZ
1 stop15h 20m
Multiple Airlines
Sun 8/166:30 am
YYZ
-
TYS
1 stop26h 06m
Multiple Airlines
Deal found 7/14$365
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Mon 8/109:26 am
TYS
-
YYZ
1 stop28h 39m
Multiple Airlines
Thu 8/2012:55 pm
YYZ
-
TYS
1 stop25h 06m
Multiple Airlines
Deal found 7/15$369
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:26 am
TYS
-
YYZ
1 stop28h 39m
Multiple Airlines
Sun 8/166:30 am
YYZ
-
TYS
1 stop26h 06m
Multiple Airlines
Deal found 7/14$370
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Thu 8/136:09 pm
TYS
-
YYZ
1 stop20h 46m
Multiple Airlines
Thu 8/2012:55 pm
YYZ
-
TYS
1 stop25h 06m
Multiple Airlines
Deal found 7/15$373
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:45 am
TYS
-
YYZ
2 stops15h 19m
Multiple Airlines
Thu 8/2012:55 pm
YYZ
-
TYS
1 stop25h 06m
Multiple Airlines
Deal found 7/14$381
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Mon 8/109:26 am
TYS
-
YYZ
1 stop28h 39m
Multiple Airlines
Tue 8/189:30 am
YYZ
-
TYS
1 stop24h 34m
Multiple Airlines
Deal found 7/15$391

Find flight deals from Knoxville to Niagara Falls

Keep the following information in mind while searching for Knoxville to Niagara Falls flight deals. Data was last updated July 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$327
(Kiwi.com)

One-way from

$223
(oojo)
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 Niagara Falls
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One-way flight from Knoxville McGhee Tyson to Niagara Falls
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Niagara Falls 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 15, 2026.
Use the filters below to find and compare flights from Knoxville to Niagara Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Sat 8/22

6:56 pm-2:05 pm

1 stop19h 09m

Toronto Pearson Intl

Sat 8/29

7:25 am-3:07 pm

1 stop7h 42m

$362

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Sat 8/8

6:45 am-10:04 pm

2 stops15h 19m

Toronto Pearson Intl

Thu 8/20

12:55 pm-2:01 pm

1 stop25h 06m

$385

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Fri 9/11

10:54 am-8:55 pm

1 stop10h 01m

Toronto Pearson Intl

Mon 9/14

9:30 am-4:50 pm

1 stop7h 20m

$391

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Wed 9/30

4:14 pm-8:55 pm

1 stop28h 41m

Toronto Pearson Intl

Thu 10/15

7:25 am-11:21 pm

2 stops15h 56m

$404

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Thu 9/3

9:30 am-10:04 pm

2 stops12h 34m

Toronto Pearson Intl

Mon 9/7

9:50 am-2:31 pm

1 stop28h 41m

$445

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Wed 9/16

6:13 pm-11:59 pm

1 stop5h 46m

Toronto Pearson Intl

Sat 9/19

6:10 pm-10:18 am

1 stop16h 08m

$560

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Fri 7/31

1:36 pm-2:05 pm

1 stop24h 29m

Toronto Pearson Intl

Mon 8/3

6:10 am-5:42 pm

1 stop11h 32m

$569

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Thu 8/13

7:30 am-10:04 pm

2 stops14h 34m

Toronto Pearson Intl

Sun 8/16

7:25 am-1:09 pm

1 stop5h 44m

$570
Quickest round-trip

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Sat 8/22

5:45 am-1:08 pm

2 stops7h 23m

Toronto Pearson Intl

Sat 8/29

4:05 pm-11:59 pm

2 stops7h 54m

$571
Cheapest one-way
Quickest one-way

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Wed 9/30

7:33 am-5:20 pm

1 stop9h 47m

$223

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/14

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Best time to book a flight from Knoxville to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls 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 Niagara Falls

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

Reviews of airlines servicing Niagara Falls

Get insights into the airlines that provide service to Niagara Falls. 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 Niagara Falls. Reviews last updated July 15, 2026.
Read through reviews of airlines operating flights from Knoxville to Niagara Falls, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,807 reviews

Comfort

7.2

Boarding

7.5

Crew

7.9

Entertainment

6.8

Overall

7.1

Food

6.4

Reviews

1 / 20
6.0
Good

Kristin,Jul 2026

DCA - PHX

We got delayed because of filling up more gas then a storm hit after that so we sat in the plane for 1.5 hours more. It was hot while we waited.
American Airlines
7.1
Good
11,807 reviews
American Airlines
7.1
Good
11,807 reviews

Comfort

7.2

Boarding

7.5

Crew

7.9

Entertainment

6.8

Overall

7.1

Food

6.4

Reviews

1 / 20
6.0
Good

Kristin,Jul 2026

DCA - PHX

We got delayed because of filling up more gas then a storm hit after that so we sat in the plane for 1.5 hours more. It was hot while we waited.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Niagara Falls. 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 Niagara Falls?

    For a flight from Knoxville to Niagara Falls, you will be flying from McGhee Tyson. Knoxville McGhee Tyson (TYS) is just 11.3 mi from the center of the city. McGhee Tyson is the only Knoxville airport and it handles 0 outbound flights to Niagara Falls per day. 1 airline has flights to Niagara Falls from Knoxville McGhee Tyson on a regular basis.

  • Can I find deals for flights from Knoxville to Niagara Falls that include hotel bookings?

    Yes. In addition to deals on Knoxville to Niagara Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Niagara Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Niagara Falls.

  • Can I find deals for business class flights from Knoxville to Niagara Falls?

    Yes. Cheapflights offers flight deals from Knoxville to Niagara Falls 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 Niagara Falls

Discover the top airline that operate flights from Knoxville to Niagara Falls. 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 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$427Average$739FlexibilityNo cancel feeOn-time71%

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