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Niagara Falls

$175+ 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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — YYZ
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap 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 January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$291
(Kiwi.com)

One-way from

$175
(Kiwi.com)

Popular in

August

Cheapest in

March

Average price

$607
Provider with most accurate pricing for Knoxville McGhee Tyson-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Toronto (YTO) flights.
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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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Highest demand for flights based on searches. 24% potential increase in price ($193 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 January 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Tue 2/175:14 pm
TYS
-
YYZ
1 stop18h 12m
Multiple Airlines
Mon 2/2310:15 am
YYZ
-
TYS
1 stop13h 23m
Multiple Airlines
Deal found 1/13$291
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Wed 2/1810:58 am
TYS
-
YYZ
1 stop27h 22m
Multiple Airlines
Mon 2/2310:15 am
YYZ
-
TYS
1 stop13h 23m
Multiple Airlines
Deal found 1/13$296
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 2/156:11 pm
TYS
-
YYZ
2 stops41h 15m
Multiple Airlines
Mon 2/2310:15 am
YYZ
-
TYS
1 stop13h 23m
Multiple Airlines
Deal found 1/13$301
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Tue 2/175:14 pm
TYS
-
YYZ
1 stop18h 12m
Multiple Airlines
Wed 2/258:20 pm
YYZ
-
TYS
1 stop25h 51m
Multiple Airlines
Deal found 1/13$308
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
Fri 2/2712:55 pm
TYS
-
YYZ
1 stop11h 19m
Multiple Airlines
Sun 3/18:00 pm
YYZ
-
TYS
1 stop22h 31m
Multiple Airlines
Deal found 1/14$310
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Tue 2/175:14 pm
TYS
-
YYZ
1 stop18h 12m
Multiple Airlines
Sun 2/228:00 pm
YYZ
-
TYS
1 stop14h 34m
Multiple Airlines
Deal found 1/13$311
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Fri 2/612:55 pm
TYS
-
YYZ
1 stop11h 19m
Multiple Airlines
Tue 2/103:40 pm
YYZ
-
TYS
1 stop18h 28m
Multiple Airlines
Deal found 1/13$316
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 2/212:55 pm
TYS
-
YYZ
1 stop11h 19m
Multiple Airlines
Thu 2/57:40 am
YYZ
-
TYS
1 stop10h 48m
Multiple Airlines
Deal found 1/14$319
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Thu 2/197:00 am
TYS
-
YYZ
1 stop14h 19m
Multiple Airlines
Mon 2/2310:15 am
YYZ
-
TYS
1 stop13h 23m
Multiple Airlines
Deal found 1/13$320
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Fri 2/612:55 pm
TYS
-
YYZ
1 stop11h 19m
Multiple Airlines
Sun 2/87:10 am
YYZ
-
TYS
1 stop15h 43m
Multiple Airlines
Deal found 1/13$321
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Fri 2/612:55 pm
TYS
-
YYZ
1 stop11h 19m
Multiple Airlines
Mon 2/95:15 pm
YYZ
-
TYS
1 stop18h 55m
Multiple Airlines
Deal found 1/13$322
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 2/212:55 pm
TYS
-
YYZ
1 stop11h 19m
Multiple Airlines
Wed 2/48:30 pm
YYZ
-
TYS
1 stop21h 58m
Multiple Airlines
Deal found 1/14$323

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

Fly from

Knoxville

Fly to

Niagara Falls

Route

Depart

Return

Price

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Wed 4/1

2:14 pm-12:14 am

1 stop10h 00m

Toronto Pearson Intl

Tue 4/14

3:40 pm-10:36 am

1 stop18h 56m

$310

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Mon 2/2

12:55 pm-12:14 am

1 stop11h 19m

Toronto Pearson Intl

Thu 2/5

7:40 am-6:28 pm

1 stop10h 48m

$319

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Mon 2/2

12:55 pm-12:14 am

1 stop11h 19m

Toronto Pearson Intl

Wed 2/4

8:30 pm-6:28 pm

1 stop21h 58m

$323

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Fri 2/27

7:15 am-4:28 pm

2 stops9h 13m

Toronto Pearson Intl

Sun 3/1

8:00 pm-6:31 pm

1 stop22h 31m

$324

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Mon 2/2

6:00 am-12:14 am

1 stop18h 14m

Toronto Pearson Intl

Sun 2/8

7:15 am-10:53 pm

1 stop15h 38m

$334

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Thu 2/19

7:00 am-8:11 pm

2 stops13h 11m

Toronto Pearson Intl

Sun 2/22

8:00 pm-10:34 am

1 stop14h 34m

$338

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Thu 2/19

7:00 am-9:19 pm

1 stop14h 19m

Toronto Pearson Intl

Mon 2/23

5:15 pm-4:24 pm

1 stop23h 09m

$341

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Fri 2/27

2:06 pm-12:14 am

1 stop10h 08m

Toronto Pearson Intl

Fri 3/6

11:15 am-9:40 am

1 stop22h 25m

$346

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Thu 2/19

7:00 am-9:19 pm

1 stop14h 19m

Toronto Pearson Intl

Tue 2/24

8:30 pm-10:06 am

1 stop13h 36m

$361

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Mon 2/16

2:06 pm-11:26 am

1 stop21h 20m

$175

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 13 results
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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

What is the cheapest month to book a flight from Knoxville to Niagara Falls?

Currently, April is the cheapest month in which you can book a flight from Knoxville to Niagara Falls (average of $158). Flying from Knoxville to Niagara Falls in August is currently the most expensive (average of $815). 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.

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 January 15, 2026.
Read through reviews of airlines operating flights from Knoxville to Niagara Falls, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,048 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,048 reviews
Delta
7.9
Good
8,048 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,163 reviews
Delta
7.9
Good
8,048 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,129 reviews
Delta
7.9
Good
8,048 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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. 3 airlines have 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.

  • What is the cheapest month to book a flight from Knoxville to Niagara Falls?

    Currently, April is the cheapest month in which you can book a flight from Knoxville to Niagara Falls (average of $158). Flying from Knoxville to Niagara Falls in August is currently the most expensive (average of $815). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Knoxville to Niagara Falls

Discover the top 3 airlines 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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$477FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$443Average$755FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$554Average$755FlexibilityNo cancel feeOn-time69%

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