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Niagara Falls

$160+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — YYZ
Aug 6 — Aug 131
Thu 8/6
Thu 8/13
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 7, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Sun 9/137:10 am
TYS
-
YYZ
1 stop14h 15m
Multiple Airlines
Tue 9/159:30 am
YYZ
-
TYS
1 stop24h 34m
Multiple Airlines
Deal found 7/3$342
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Thu 10/86:15 am
TYS
-
YYZ
1 stop7h 50m
Multiple Airlines
Tue 10/136:30 am
YYZ
-
TYS
1 stop11h 44m
Multiple Airlines
Deal found 7/3$366
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Tue 10/66:04 pm
TYS
-
YYZ
1 stop22h 51m
Multiple Airlines
Tue 10/136:30 am
YYZ
-
TYS
1 stop11h 44m
Multiple Airlines
Deal found 7/3$369
This Kiwi.com deal was found by Cheapflights users on 7/6. 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.
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 7/6$392
This Kiwi.com deal was found by Cheapflights users on 7/6. 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.
Sat 10/244:50 pm
TYS
-
YYZ
1 stop20h 50m
Multiple Airlines
Sat 10/3111:15 am
YYZ
-
TYS
2 stops23h 29m
Multiple Airlines
Deal found 7/6$393
This Kiwi.com deal was found by Cheapflights users on 7/7. 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.
Thu 8/68:29 pm
TYS
-
YYZ
1 stop20h 26m
Multiple Airlines
Thu 8/1312:55 pm
YYZ
-
TYS
1 stop23h 22m
Multiple Airlines
Deal found 7/7$396
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Sat 10/106:00 am
TYS
-
YYZ
1 stop6h 00m
Multiple Airlines
Tue 10/136:30 am
YYZ
-
TYS
1 stop11h 44m
Multiple Airlines
Deal found 7/3$398
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 10/197:00 am
TYS
-
YYZ
1 stop9h 45m
Multiple Airlines
Fri 10/234:55 pm
YYZ
-
TYS
1 stop18h 37m
Multiple Airlines
Deal found 7/2$400
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Fri 10/99:05 am
TYS
-
YYZ
1 stop7h 50m
Multiple Airlines
Tue 10/136:30 am
YYZ
-
TYS
1 stop11h 44m
Multiple Airlines
Deal found 7/3$401
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Thu 10/86:15 am
TYS
-
YYZ
1 stop7h 50m
Multiple Airlines
Wed 10/149:30 am
YYZ
-
TYS
1 stop25h 41m
Multiple Airlines
Deal found 7/3$402
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 8/146:30 am
TYS
-
YYZ
1 stop14h 20m
Multiple Airlines
Sat 8/226:30 am
YYZ
-
TYS
1 stop27h 34m
Multiple Airlines
Deal found 7/5$409

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 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$342
(Kiwi.com)

One-way from

$160
(Trip.com)

Popular in

August

Cheapest in

June

Average price

$848
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. 15% potential increase in price ($131 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 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 7, 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 8/14

6:30 am-8:50 pm

1 stop14h 20m

Toronto Pearson Intl

Sat 8/22

6:30 am-10:04 am

1 stop27h 34m

$409

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Thu 7/30

7:30 am-9:40 pm

1 stop14h 10m

Toronto Pearson Intl

Thu 8/6

12:55 pm-12:17 pm

1 stop23h 22m

$455
Quickest round-trip

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Mon 8/10

7:19 pm-11:54 pm

1 stop4h 35m

Toronto Pearson Intl

Thu 8/13

8:50 am-1:17 pm

1 stop4h 27m

$474

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Sat 8/1

6:45 am-10:05 pm

1 stop15h 20m

Toronto Pearson Intl

Tue 8/4

6:30 am-12:06 pm

1 stop29h 36m

$479

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Thu 8/20

9:30 am-9:40 pm

1 stop12h 10m

Toronto Pearson Intl

Sun 8/23

4:45 pm-7:05 pm

2 stops26h 20m

$505

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Mon 8/3

7:20 pm-4:45 pm

1 stop21h 25m

Toronto Pearson Intl

Mon 8/10

7:45 am-10:44 pm

1 stop14h 59m

$513

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Fri 7/31

7:15 am-3:20 pm

1 stop8h 05m

Toronto Pearson Intl

Tue 8/4

9:45 am-5:42 pm

1 stop7h 57m

$536

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Wed 8/19

6:57 am-5:18 pm

1 stop10h 21m

Toronto Pearson Intl

Sun 8/23

6:15 am-10:30 am

1 stop4h 15m

$536

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Thu 7/23

7:19 pm-11:54 pm

1 stop4h 35m

Toronto Pearson Intl

Tue 7/28

9:35 am-2:27 pm

1 stop4h 52m

$536

KnoxvilleToronto

TYS - YYZ

TYSYYZ

Knoxville McGhee Tyson

Thu 7/30

3:54 pm-11:58 pm

1 stop8h 04m

Toronto Pearson Intl

Sun 8/2

6:10 am-10:22 am

1 stop4h 12m

$536

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 16 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 7, 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
9,944 reviews

Overall

7.4

Food

6.7

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,944 reviews
United Airlines
7.4
Good
9,944 reviews

Overall

7.4

Food

6.7

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,782 reviews
United Airlines
7.4
Good
9,944 reviews

Overall

7.4

Food

6.7

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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.

  • How long is the flight from Knoxville to Niagara Falls?

    United Airlines can get you from Knoxville to Niagara Falls in just under 4h 35m. Your travel time can differ by up to . The distance from Knoxville to Niagara Falls is about 591 mi.

  • 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 July 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$427Average$739FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$545Average$663FlexibilityNo cancel feeOn-time69%

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