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Niagara Falls

$161+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — YYZ
jul. 8 — jul. 151
mié. 7/8
mié. 7/15
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 junio 8, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
sáb. 8/16:45 am
TYS
-
YYZ
1 stop15h 20m
Multiple Airlines
jue. 8/66:30 am
YYZ
-
TYS
1 stop26h 06m
Multiple Airlines
Deal found 6/7$378
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
vie. 7/311:36 pm
TYS
-
YYZ
1 stop24h 29m
Multiple Airlines
lun. 8/31:50 pm
YYZ
-
TYS
2 stops9h 43m
Multiple Airlines
Deal found 6/7$404
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
jue. 9/2410:54 am
TYS
-
YYZ
1 stop10h 01m
Multiple Airlines
dom. 9/274:50 pm
YYZ
-
TYS
1 stop23h 53m
Multiple Airlines
Deal found 6/7$415
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
lun. 7/207:20 pm
TYS
-
YYZ
1 stop21h 25m
Multiple Airlines
jue. 7/2312:55 pm
YYZ
-
TYS
1 stop23h 08m
Multiple Airlines
Deal found 6/7$418
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
mar. 7/145:00 pm
TYS
-
YYZ
1 stop23h 55m
Multiple Airlines
mar. 7/216:30 am
YYZ
-
TYS
1 stop9h 40m
Multiple Airlines
Deal found 6/3$422
This Kiwi.com deal was found by Cheapflights users on 6/6. 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.
sáb. 7/46:30 am
TYS
-
YYZ
1 stop15h 35m
Multiple Airlines
lun. 7/204:45 pm
YYZ
-
TYS
2 stops22h 45m
Multiple Airlines
Deal found 6/6$423
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
lun. 8/31:36 pm
TYS
-
YYZ
1 stop24h 29m
Multiple Airlines
lun. 8/109:30 am
YYZ
-
TYS
2 stops12h 54m
Multiple Airlines
Deal found 6/7$426
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
mié. 7/291:05 pm
TYS
-
YYZ
1 stop25h 00m
Multiple Airlines
lun. 8/31:50 pm
YYZ
-
TYS
2 stops9h 43m
Multiple Airlines
Deal found 6/7$431
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
vie. 7/311:36 pm
TYS
-
YYZ
1 stop24h 29m
Multiple Airlines
dom. 8/26:30 am
YYZ
-
TYS
1 stop8h 18m
Multiple Airlines
Deal found 6/7$438

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 junio 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$378
(Kiwi.com)

One-way from

$161
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$738
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.
Search Deals
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 ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 junio 8, 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

sáb. 7/4

6:30 am-10:05 pm

1 stop15h 35m

Toronto Pearson Intl

lun. 7/20

9:50 am-11:33 pm

1 stop13h 43m

$425

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

vie. 7/10

6:30 am-8:50 pm

1 stop14h 20m

Toronto Pearson Intl

lun. 7/13

4:45 pm-3:30 pm

2 stops22h 45m

$465

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

jue. 7/16

7:30 am-9:25 pm

1 stop13h 55m

Toronto Pearson Intl

dom. 7/19

4:45 pm-11:33 pm

2 stops30h 48m

$481

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

vie. 7/31

6:30 am-8:50 pm

1 stop14h 20m

Toronto Pearson Intl

sáb. 8/1

6:30 am-7:50 pm

1 stop13h 20m

$523

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

vie. 8/28

12:54 pm-5:45 am

2 stops16h 51m

Toronto Pearson Intl

lun. 8/31

9:50 am-7:03 pm

1 stop9h 13m

$573
Quickest round-trip

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

jue. 7/2

5:45 am-10:04 am

1 stop4h 19m

Toronto Pearson Intl

mié. 7/8

8:45 am-1:19 pm

1 stop4h 34m

$593

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

jue. 7/2

7:00 am-4:45 pm

1 stop9h 45m

Toronto Pearson Intl

mié. 7/8

6:00 am-3:42 pm

1 stop9h 42m

$593

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

vie. 8/14

1:56 pm-10:35 pm

1 stop8h 39m

Toronto Pearson Intl

dom. 8/16

8:00 am-8:13 pm

1 stop12h 13m

$615

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

jue. 10/29

7:00 am-2:10 pm

1 stop7h 10m

Toronto Pearson Intl

lun. 11/2

7:40 pm-11:37 pm

1 stop3h 57m

$615

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

vie. 6/26

7:03 pm-11:58 pm

1 stop4h 55m

Toronto Pearson Intl

dom. 6/28

6:00 am-5:37 pm

1 stop11h 37m

$615

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/6

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

How much does it cost to fly round-trip from Knoxville to Niagara Falls?

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 junio 8, 2026.
Read through reviews of airlines operating flights from Knoxville to Niagara Falls, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,781 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,781 reviews
United Airlines
7.4
Good
9,781 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
American Airlines
7.1
Good
11,640 reviews
United Airlines
7.4
Good
9,781 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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. 2 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.

See more FAQs

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Top 2 airlines flying from Knoxville to Niagara Falls

Discover the top 2 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 junio 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$427Average$683FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$545Average$640FlexibilityNo cancel feeOn-time69%

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