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Niagara Falls

$146+ Cheap flights from Knoxville (TYS) to Niagara Falls, 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — YYZ
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
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 30, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/28. 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 9/285:40 pm
TYS
-
YYZ
1 stop23h 15m
Multiple Airlines
Fri 10/21:30 pm
YYZ
-
TYS
1 stop19h 05m
Multiple Airlines
Deal found 7/28$319
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Sat 9/126:55 pm
TYS
-
YYZ
1 stop19h 10m
Multiple Airlines
Thu 9/176:30 am
YYZ
-
TYS
1 stop10h 01m
Multiple Airlines
Deal found 7/25$321
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Wed 8/263:49 pm
TYS
-
YYZ
1 stop22h 16m
Multiple Airlines
Wed 9/29:30 am
YYZ
-
TYS
1 stop24h 34m
Multiple Airlines
Deal found 7/27$338
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Sat 9/196:55 pm
TYS
-
YYZ
1 stop19h 10m
Multiple Airlines
Mon 9/219:50 am
YYZ
-
TYS
1 stop10h 49m
Multiple Airlines
Deal found 7/27$339
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 9/910:54 am
TYS
-
YYZ
1 stop27h 11m
Multiple Airlines
Wed 9/169:30 am
YYZ
-
TYS
1 stop24h 34m
Multiple Airlines
Deal found 7/26$371
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 9/2410:54 am
TYS
-
YYZ
1 stop10h 01m
Multiple Airlines
Mon 9/284:45 pm
YYZ
-
TYS
2 stops45h 57m
Multiple Airlines
Deal found 7/27$374
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 9/144:18 pm
TYS
-
YYZ
1 stop24h 27m
Multiple Airlines
Fri 9/184:55 pm
YYZ
-
TYS
1 stop22h 06m
Multiple Airlines
Deal found 7/28$376
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Tue 11/178:30 am
TYS
-
YYZ
1 stop15h 40m
Multiple Airlines
Mon 11/236:30 am
YYZ
-
TYS
1 stop16h 59m
Multiple Airlines
Deal found 7/27$378
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Sat 9/59:30 am
TYS
-
YYZ
1 stop12h 35m
Multiple Airlines
Thu 9/101:30 pm
YYZ
-
TYS
1 stop20h 34m
Multiple Airlines
Deal found 7/25$383
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 10/16:15 am
TYS
-
YYZ
1 stop14h 40m
Multiple Airlines
Mon 11/306:30 am
YYZ
-
TYS
1 stop16h 28m
Multiple Airlines
Deal found 7/28$384

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 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$319
(Kiwi.com)

One-way from

$146
(Kiwi.com)

Popular in

August

Cheapest in

July

Average price

$559
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.
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From Knoxville McGhee Tyson to Niagara Falls
Search Deals
One-way flight from Knoxville McGhee Tyson to Niagara Falls
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 30, 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 9/12

6:55 pm-2:05 pm

1 stop19h 10m

Toronto Pearson Intl

Thu 9/17

6:30 am-4:31 pm

1 stop10h 01m

$321

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Sat 9/19

6:55 pm-2:05 pm

1 stop19h 10m

Toronto Pearson Intl

Mon 9/21

9:50 am-8:39 pm

1 stop10h 49m

$339

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Tue 9/22

10:29 am-2:30 pm

1 stop28h 01m

Toronto Pearson Intl

Thu 9/24

9:50 am-9:40 pm

1 stop11h 50m

$394

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Mon 9/28

12:22 pm-9:55 pm

2 stops9h 33m

Toronto Pearson Intl

Fri 10/2

8:10 am-9:06 pm

1 stop12h 56m

$416

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Sun 8/30

9:30 am-9:40 pm

1 stop12h 10m

Toronto Pearson Intl

Tue 9/1

9:30 am-10:04 am

1 stop24h 34m

$439

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Mon 9/21

7:04 pm-7:35 pm

2 stops24h 31m

Toronto Pearson Intl

Fri 9/25

4:55 pm-3:01 pm

1 stop22h 06m

$448

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Fri 8/14

12:50 pm-2:05 pm

2 stops25h 15m

Toronto Pearson Intl

Thu 8/20

6:30 am-4:02 pm

1 stop9h 32m

$488
Quickest round-trip

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Fri 9/25

7:33 am-3:15 pm

1 stop7h 42m

Toronto Pearson Intl

Tue 9/29

6:00 am-10:18 am

1 stop4h 18m

$493

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Tue 9/8

6:00 am-11:49 am

1 stop5h 49m

Toronto Pearson Intl

Tue 9/15

10:15 am-4:58 pm

1 stop6h 43m

$519

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Sat 9/19

5:40 am-6:55 pm

2 stops13h 15m

Toronto Pearson Intl

Sun 9/20

3:50 pm-5:28 pm

2 stops25h 38m

$534

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 17 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 30, 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
11,842 reviews

Entertainment

6.8

Boarding

7.5

Overall

7.1

Food

6.4

Crew

7.9

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Linda,Jul 2026

ROA - CLT

Very helpful and friendly people who pushed me where I needed to go
American Airlines
7.1
Good
11,842 reviews
American Airlines
7.1
Good
11,842 reviews

Entertainment

6.8

Boarding

7.5

Overall

7.1

Food

6.4

Crew

7.9

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Linda,Jul 2026

ROA - CLT

Very helpful and friendly people who pushed me where I needed to go

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

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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 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$427Average$683FlexibilityNo cancel feeOn-time71%

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