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Niagara Falls

$289+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — YYZ
Jun 11 — Jun 181
Thu 6/11
Thu 6/18
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 May 12, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/9. 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 8/79:26 am
TYS
-
YYZ
1 stop28h 39m
Multiple Airlines
Sun 8/96:30 am
YYZ
-
TYS
1 stop7h 36m
Multiple Airlines
Deal found 5/9$458
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 7/74:20 pm
TYS
-
YYZ
1 stop24h 25m
Multiple Airlines
Sat 7/111:30 pm
YYZ
-
TYS
1 stop25h 18m
Multiple Airlines
Deal found 5/10$461
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 8/86:45 am
TYS
-
YYZ
1 stop13h 45m
Multiple Airlines
Sat 8/227:25 am
YYZ
-
TYS
1 stop7h 42m
Multiple Airlines
Deal found 5/8$465
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 8/86:45 am
TYS
-
YYZ
1 stop13h 45m
Multiple Airlines
Sun 8/94:45 pm
YYZ
-
TYS
2 stops15h 51m
Multiple Airlines
Deal found 5/9$466
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 8/287:10 am
TYS
-
YYZ
1 stop12h 25m
Multiple Airlines
Sun 8/304:50 pm
YYZ
-
TYS
1 stop26h 13m
Multiple Airlines
Deal found 5/10$467
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 7/88:00 am
TYS
-
YYZ
2 stops37h 55m
Multiple Airlines
Mon 7/137:45 am
YYZ
-
TYS
1 stop13h 30m
Multiple Airlines
Deal found 5/8$472
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Wed 5/271:01 pm
TYS
-
YYZ
1 stop25h 04m
Multiple Airlines
Fri 5/293:55 pm
YYZ
-
TYS
1 stop20h 19m
Multiple Airlines
Deal found 5/7$477
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 6/253:42 pm
TYS
-
YYZ
1 stop28h 23m
Multiple Airlines
Thu 7/26:34 pm
YYZ
-
TYS
2 stops27h 26m
Multiple Airlines
Deal found 5/11$480
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 6/87:27 pm
TYS
-
YYZ
1 stop21h 18m
Multiple Airlines
Sun 6/1412:55 pm
YYZ
-
TYS
1 stop23h 04m
Multiple Airlines
Deal found 5/11$481
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 7/187:10 am
TYS
-
YYZ
2 stops14h 54m
Multiple Airlines
Sun 8/212:55 pm
YYZ
-
TYS
1 stop23h 08m
Multiple Airlines
Deal found 5/9$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 May 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$458
(Kiwi.com)

One-way from

$289
(Justfly.com)

Popular in

August

Cheapest in

October

Average price

$663
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
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 May 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 May 12, 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 8/8

6:45 am-8:30 pm

1 stop13h 45m

Toronto Pearson Intl

Sat 8/22

7:25 am-3:07 pm

1 stop7h 42m

$465

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Wed 5/27

1:01 pm-2:05 pm

1 stop25h 04m

Toronto Pearson Intl

Fri 5/29

3:55 pm-12:14 pm

1 stop20h 19m

$477

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Tue 7/7

4:20 pm-4:45 pm

1 stop24h 25m

Toronto Pearson Intl

Sat 7/11

7:25 am-9:35 pm

2 stops14h 10m

$481

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Wed 7/8

1:05 pm-2:05 pm

1 stop25h 00m

Toronto Pearson Intl

Mon 7/13

7:45 am-9:15 pm

1 stop13h 30m

$484

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Sat 7/18

7:10 am-10:04 pm

2 stops14h 54m

Toronto Pearson Intl

Sun 8/2

12:55 pm-12:03 pm

1 stop23h 08m

$493

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Thu 7/9

7:30 am-12:00 pm

1 stop28h 30m

Toronto Pearson Intl

Sat 7/18

7:25 am-9:42 pm

2 stops14h 17m

$495

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Sun 6/7

7:30 am-12:00 pm

1 stop28h 30m

Toronto Pearson Intl

Sun 6/14

4:45 pm-8:27 pm

2 stops27h 42m

$499
Quickest round-trip

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Thu 8/27

9:30 am-8:30 pm

1 stop11h 00m

Toronto Pearson Intl

Sun 9/6

7:25 am-3:01 pm

1 stop7h 36m

$506

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Thu 7/9

7:30 am-12:00 pm

1 stop28h 30m

Toronto Pearson Intl

Sat 7/11

1:30 pm-12:09 pm

1 stop22h 39m

$510

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Thu 9/3

9:30 am-8:30 pm

1 stop11h 00m

Toronto Pearson Intl

Mon 9/7

7:45 am-6:51 pm

1 stop11h 06m

$510

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 13 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 May 12, 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
9,701 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,701 reviews
United Airlines
7.4
Good
9,701 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,661 reviews
United Airlines
7.4
Good
9,701 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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

Browse thousands of different options on Cheapflights for your next trip

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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 May 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$427Average$738FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$545Average$640FlexibilityNo cancel feeOn-time69%

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