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Niagara Falls

$181+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — YYZ
Aug 21 — Aug 281
Fri 8/21
Fri 8/28
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 22, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/21. 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 10/144:14 pm
TYS
-
YYZ
1 stop21h 51m
Multiple Airlines
Mon 10/191:30 pm
YYZ
-
TYS
1 stop28h 44m
Multiple Airlines
Deal found 7/21$351
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 9/1610:54 am
TYS
-
YYZ
1 stop27h 11m
Multiple Airlines
Sun 9/204:50 pm
YYZ
-
TYS
1 stop27h 49m
Multiple Airlines
Deal found 7/20$364
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 9/129:30 am
TYS
-
YYZ
2 stops12h 34m
Multiple Airlines
Fri 9/184:55 pm
YYZ
-
TYS
1 stop22h 06m
Multiple Airlines
Deal found 7/21$370
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 8/318:00 am
TYS
-
YYZ
1 stop12h 50m
Multiple Airlines
Wed 9/29:30 am
YYZ
-
TYS
1 stop24h 34m
Multiple Airlines
Deal found 7/19$378
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 9/23:46 pm
TYS
-
YYZ
1 stop25h 09m
Multiple Airlines
Wed 9/99:30 am
YYZ
-
TYS
1 stop24h 34m
Multiple Airlines
Deal found 7/19$391
This Kiwi.com deal was found by Cheapflights users on 7/18. 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 8/279:30 am
TYS
-
YYZ
1 stop12h 10m
Multiple Airlines
Sat 8/297:25 am
YYZ
-
TYS
1 stop7h 42m
Multiple Airlines
Deal found 7/18$405
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 10/86:15 am
TYS
-
YYZ
1 stop7h 50m
Multiple Airlines
Sun 10/116:15 am
YYZ
-
TYS
1 stop4h 46m
Multiple Airlines
Deal found 7/20$421
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/193:49 pm
TYS
-
YYZ
1 stop22h 16m
Multiple Airlines
Wed 8/265:10 pm
YYZ
-
TYS
1 stop21h 57m
Multiple Airlines
Deal found 7/22$442

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 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$351
(Kiwi.com)

One-way from

$181
(Kiwi.com)

Popular in

August

Cheapest in

July

Average price

$559
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
Search Deals
One-way flight from Knoxville McGhee Tyson to Niagara Falls
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($56 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 22, 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

Wed 9/16

10:54 am-2:05 pm

1 stop27h 11m

Toronto Pearson Intl

Sun 9/20

4:50 pm-8:39 pm

1 stop27h 49m

$364

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Wed 9/2

3:46 pm-4:55 pm

1 stop25h 09m

Toronto Pearson Intl

Wed 9/9

9:30 am-10:04 am

1 stop24h 34m

$391

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Thu 8/27

12:01 pm-5:19 pm

1 stop5h 18m

Toronto Pearson Intl

Sat 8/29

6:30 am-10:04 am

1 stop27h 34m

$429

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Mon 8/31

12:09 pm-9:55 pm

2 stops9h 46m

Toronto Pearson Intl

Wed 9/2

11:40 am-5:19 pm

1 stop5h 39m

$453

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Fri 9/4

7:00 am-8:50 pm

1 stop13h 50m

Toronto Pearson Intl

Sun 9/6

7:30 am-4:07 pm

1 stop8h 37m

$482
Quickest round-trip

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Fri 9/25

12:23 pm-9:59 pm

1 stop9h 36m

Toronto Pearson Intl

Tue 9/29

1:34 pm-5:28 pm

1 stop3h 54m

$485

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Wed 9/2

4:38 pm-6:55 am

2 stops14h 17m

Toronto Pearson Intl

Wed 9/9

1:34 pm-10:27 pm

1 stop8h 53m

$497

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Wed 8/19

3:49 pm-2:05 pm

1 stop22h 16m

Toronto Pearson Intl

Wed 8/26

10:25 pm-10:52 pm

2 stops24h 27m

$508

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Thu 8/20

9:30 am-10:04 pm

2 stops12h 34m

Toronto Pearson Intl

Sat 8/22

7:25 am-3:07 pm

1 stop7h 42m

$521
Cheapest one-way

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Sun 11/15

9:33 pm-7:20 pm

1 stop21h 47m

$181

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

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 22, 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
11,835 reviews

Food

6.4

Comfort

7.2

Overall

7.1

Boarding

7.5

Entertainment

6.8

Crew

7.9

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
11,835 reviews
American Airlines
7.1
Good
11,835 reviews

Food

6.4

Comfort

7.2

Overall

7.1

Boarding

7.5

Entertainment

6.8

Crew

7.9

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

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 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$427Average$683FlexibilityNo cancel feeOn-time71%

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