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Niagara Falls

$163+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — YYZ
Apr 15 — Apr 221
Wed 4/15
Wed 4/22
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 March 16, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/169:32 pm
TYS
-
YYZ
1 stop16h 33m
Multiple Airlines
Mon 4/207:10 am
YYZ
-
TYS
1 stop10h 20m
Multiple Airlines
Deal found 3/13$395
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/247:10 am
TYS
-
YYZ
2 stops9h 10m
Multiple Airlines
Sun 4/268:20 pm
YYZ
-
TYS
1 stop21h 10m
Multiple Airlines
Deal found 3/12$405
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 5/297:10 am
TYS
-
YYZ
1 stop28h 25m
Multiple Airlines
Mon 6/18:10 am
YYZ
-
TYS
1 stop26h 31m
Multiple Airlines
Deal found 3/15$423
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Fri 4/37:10 am
TYS
-
YYZ
2 stops13h 00m
Multiple Airlines
Mon 4/67:10 am
YYZ
-
TYS
1 stop11h 11m
Multiple Airlines
Deal found 3/11$431
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 6/1510:03 pm
TYS
-
YYZ
1 stop18h 42m
Multiple Airlines
Fri 6/199:50 am
YYZ
-
TYS
1 stop11h 23m
Multiple Airlines
Deal found 3/12$443
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 6/1510:03 pm
TYS
-
YYZ
1 stop18h 42m
Multiple Airlines
Sun 6/214:50 pm
YYZ
-
TYS
1 stop28h 23m
Multiple Airlines
Deal found 3/12$447
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 7/212:59 pm
TYS
-
YYZ
1 stop27h 46m
Multiple Airlines
Thu 7/99:50 am
YYZ
-
TYS
1 stop12h 34m
Multiple Airlines
Deal found 3/12$449
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/177:10 am
TYS
-
YYZ
2 stops9h 10m
Multiple Airlines
Mon 4/207:10 am
YYZ
-
TYS
1 stop10h 20m
Multiple Airlines
Deal found 3/15$452

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 March 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$395
(Kiwi.com)

One-way from

$163
(Kiwi.com)

Popular in

August

Cheapest in

April
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. 14% potential increase in price ($106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
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 March 16, 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

Fri 4/24

7:10 am-4:20 pm

2 stops9h 10m

Toronto Pearson Intl

Sun 4/26

8:20 pm-5:30 pm

1 stop21h 10m

$405

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Fri 4/3

7:10 am-8:10 pm

2 stops13h 00m

Toronto Pearson Intl

Mon 4/6

7:10 am-6:21 pm

1 stop11h 11m

$431

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Fri 4/17

7:10 am-8:10 pm

2 stops13h 00m

Toronto Pearson Intl

Mon 4/20

7:10 am-5:30 pm

1 stop10h 20m

$462

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Sun 7/19

12:59 pm-4:45 pm

1 stop27h 46m

Toronto Pearson Intl

Thu 7/23

5:50 pm-11:50 am

1 stop18h 00m

$471

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Mon 7/20

7:10 am-10:05 pm

1 stop14h 55m

Toronto Pearson Intl

Thu 7/23

5:50 pm-11:50 am

1 stop18h 00m

$477

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Sat 4/11

5:37 am-4:45 pm

1 stop11h 08m

Toronto Pearson Intl

Sat 4/18

11:10 am-9:50 pm

1 stop10h 40m

$498

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Mon 7/13

7:10 am-5:09 pm

2 stops9h 59m

Toronto Pearson Intl

Wed 7/15

9:30 am-5:59 pm

1 stop8h 29m

$586
Quickest round-trip

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Mon 7/13

7:19 pm-11:54 pm

1 stop4h 35m

Toronto Pearson Intl

Wed 7/15

10:15 am-5:12 pm

1 stop6h 57m

$594

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Fri 4/3

7:20 pm-11:54 pm

1 stop4h 34m

Toronto Pearson Intl

Mon 4/6

10:15 am-10:34 pm

1 stop12h 19m

$594

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Tue 7/14

6:30 am-3:46 pm

1 stop9h 16m

Toronto Pearson Intl

Thu 7/16

1:00 pm-8:39 pm

1 stop7h 39m

$594

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 18 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 March 16, 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
11,467 reviews

Overall

7.1

Crew

7.9

Food

6.4

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,467 reviews
American Airlines
7.1
Good
11,467 reviews

Overall

7.1

Crew

7.9

Food

6.4

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

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 March 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$372Average$739FlexibilityNo cancel feeOn-time71%

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