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Niagara Falls

$267+ Cheap flights from Knoxville (TYS) to Niagara Falls, ON, Canada

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — YYZ
Jan 28 — Feb 41
Wed 1/28
Wed 2/4
1 adult, Economy
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Cheap flight deals from Knoxville to Niagara Falls

Best flights from Knoxville to Niagara Falls
Discover carefully curated flight deals from Knoxville to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/28. 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.
Sun 1/189:00 amTYS - YYZ
1 stop29h 20mMultiple Airlines
Tue 1/203:40 pmYYZ - TYS
1 stop24h 17mMultiple Airlines
Deal found 12/28$291
This American Airlines deal was found by Cheapflights users on 12/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/87:54 amTYS - YYZ
1 stop10h 26mAmerican Airlines
Sun 2/1511:38 amYYZ - TYS
1 stop9h 08mAmerican Airlines
Deal found 12/27$390
This Kiwi.com deal was found by Cheapflights users on 12/28. 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 1/229:29 amTYS - YYZ
1 stop13h 51mMultiple Airlines
Sun 1/256:20 pmYYZ - TYS
1 stop17h 45mMultiple Airlines
Deal found 12/28$291
This Kiwi.com deal was found by Cheapflights users on 12/27. 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 2/89:29 amTYS - YYZ
1 stop29h 11mMultiple Airlines
Sun 2/151:30 pmYYZ - TYS
2 stops33h 31mMultiple Airlines
Deal found 12/27$317
This Kiwi.com deal was found by Cheapflights users on 12/28. 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 1/912:55 pmTYS - YYZ
1 stop25h 25mMultiple Airlines
Mon 1/127:15 amYYZ - TYS
2 stops10h 13mMultiple Airlines
Deal found 12/28$345
This Kiwi.com deal was found by Cheapflights users on 12/29. 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.
Tue 3/106:24 pmTYS - YYZ
1 stop19h 56mMultiple Airlines
Mon 3/1610:15 amYYZ - TYS
1 stop24h 57mMultiple Airlines
Deal found 12/29$347
This Kiwi.com deal was found by Cheapflights users on 12/28. 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 1/197:15 amTYS - YYZ
1 stop12h 20mMultiple Airlines
Wed 1/213:40 pmYYZ - TYS
1 stop16h 59mMultiple Airlines
Deal found 12/28$360
This Kiwi.com deal was found by Cheapflights users on 12/28. 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.
Wed 2/1110:58 amTYS - YYZ
1 stop8h 55mMultiple Airlines
Thu 2/126:20 pmYYZ - TYS
1 stop17h 40mMultiple Airlines
Deal found 12/28$386
This Kiwi.com deal was found by Cheapflights users on 12/28. 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.
Sun 1/259:29 amTYS - YYZ
1 stop29h 24mMultiple Airlines
Sun 2/18:00 pmYYZ - TYS
1 stop20h 50mMultiple Airlines
Deal found 12/28$409
This Kiwi.com deal was found by Cheapflights users on 12/28. 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.
Sun 1/1810:00 amTYS - YYZ
1 stop9h 52mMultiple Airlines
Sat 1/248:30 pmYYZ - TYS
1 stop12h 09mMultiple Airlines
Deal found 12/28$431
This Kiwi.com deal was found by Cheapflights users on 12/29. 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.
Sat 3/72:54 pmTYS - YYZ
1 stop9h 20mMultiple Airlines
Mon 3/1610:15 amYYZ - TYS
1 stop24h 57mMultiple Airlines
Deal found 12/29$491
This Kiwi.com deal was found by Cheapflights users on 12/28. 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.
Sat 1/2411:59 amTYS - YYZ
1 stop11h 21mMultiple Airlines
Sun 1/257:45 amYYZ - TYS
2 stops10h 08mMultiple Airlines
Deal found 12/28$493

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 December 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$267
(Kiwi.com)

Popular in

August

Cheapest in

March

Average price

$658
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
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($205 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 29, 2025.
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

Sun 1/18

9:00 am-2:20 pm

1 stop29h 20m

Toronto Pearson Intl

Tue 1/20

3:40 pm-3:57 pm

1 stop24h 17m

$291

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Thu 1/22

9:29 am-11:20 pm

1 stop13h 51m

Toronto Pearson Intl

Sun 1/25

6:20 pm-12:05 pm

1 stop17h 45m

$291

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Sun 2/8

9:29 am-2:40 pm

1 stop29h 11m

Toronto Pearson Intl

Sun 2/15

1:30 pm-11:01 pm

2 stops33h 31m

$317

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Fri 1/9

12:55 pm-2:20 pm

1 stop25h 25m

Toronto Pearson Intl

Mon 1/12

7:15 am-5:28 pm

2 stops10h 13m

$345

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Tue 3/10

6:24 pm-2:20 pm

1 stop19h 56m

Toronto Pearson Intl

Mon 3/16

10:15 am-11:12 am

1 stop24h 57m

$347

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Mon 1/19

7:15 am-7:35 pm

1 stop12h 20m

Toronto Pearson Intl

Wed 1/21

3:40 pm-8:39 am

1 stop16h 59m

$360

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Wed 2/11

10:58 am-7:53 pm

1 stop8h 55m

Toronto Pearson Intl

Thu 2/12

6:20 pm-12:00 pm

1 stop17h 40m

$386

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Sun 2/8

7:54 am-6:20 pm

1 stop10h 26m

Toronto Pearson Intl

Sun 2/15

11:38 am-8:46 pm

1 stop9h 08m

$390

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Sun 1/25

9:29 am-2:53 pm

1 stop29h 24m

Toronto Pearson Intl

Sun 2/1

8:00 pm-4:50 pm

1 stop20h 50m

$409

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Sun 1/18

10:00 am-7:52 pm

1 stop9h 52m

Toronto Pearson Intl

Sat 1/24

8:30 pm-8:39 am

1 stop12h 09m

$431

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/28

Showing 1-10 of 12 results
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

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 December 29, 2025.
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
8,014 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

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
8,014 reviews
Delta
7.9
Good
8,014 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

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
9,120 reviews
Delta
7.9
Good
8,014 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

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
11,072 reviews
Delta
7.9
Good
8,014 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 December 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$728FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$443Average$755FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$554Average$755FlexibilityNo cancel feeOn-time69%

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