$113+ Cheap flights from Knoxville (TYS) to Niagara Falls, 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — YYZ
Oct 2 — Oct 91
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Niagara Falls with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Knoxville to Niagara Falls
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Best
Last-minute
One-way
Cheapest flights from Knoxville to Niagara FallsExplore 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 September 2, 2026.
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 September 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 9/126:55 pm -
1 stop19h 10m
Tue 9/159:30 am -
1 stop24h 34m
Deal found 8/29![Multiple Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Wed 9/304:14 pm -
1 stop28h 41m
Wed 10/77:45 am -
1 stop6h 57m
Deal found 9/2![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 9/149:00 am -
1 stop11h 05m
Tue 9/159:30 am -
1 stop24h 34m
Deal found 8/28![Multiple Airlines logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 -
1 stop21h 51m
Wed 10/216:00 am -
1 stop4h 17m
Deal found 8/30![Multiple Airlines logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 10/169:24 pm -
1 stop16h 41m
Fri 10/2311:15 pm -
2 stops33h 10m
Deal found 9/1![Multiple Airlines logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 9/1710:54 am -
1 stop10h 01m
Sun 9/2012:55 pm -
1 stop24h 32m
Deal found 8/29![Multiple Airlines logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/2210:29 am -
1 stop28h 01m
Fri 9/255:15 pm -
1 stop21h 46m
Deal found 8/30![Multiple Airlines logo]()
$463
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 9/126:55 pm -
1 stop19h 10m
Mon 9/148:10 am -
1 stop25h 29m
Deal found 8/29![Multiple Airlines logo]()
$464
Best flights from Knoxville to Niagara FallsDiscover carefully curated flight deals from Knoxville to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.
Discover carefully curated flight deals from Knoxville to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 9/149:00 am -
1 stop11h 05m
Tue 9/159:30 am -
1 stop24h 34m
Deal found 8/28![Multiple Airlines logo]()
$415
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:45 am -
1 stop12h 12m
Wed 11/410:00 am -
1 stop13h 59m
Deal found 9/1![United Airlines logo]()
$570
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 -
1 stop21h 51m
Wed 10/216:33 pm -
2 stops23h 00m
Deal found 8/30![Multiple Airlines logo]()
$451
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 9/126:55 pm -
1 stop19h 10m
Mon 9/148:10 am -
1 stop25h 29m
Deal found 8/29![Multiple Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 8/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:45 am -
1 stop5h 01m
Tue 9/157:43 pm -
1 stop4h 16m
Deal found 8/28![United Airlines logo]()
$601
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 -
2 stops12h 34m
Tue 9/159:30 am -
1 stop24h 34m
Deal found 8/29![Multiple Airlines logo]()
$500
Last-minute flights from Knoxville to Niagara FallsDiscover last-minute flight deals from Knoxville to Niagara Falls. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Niagara Falls. Data last updated September 2, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 9/126:55 pm -
1 stop19h 10m
Tue 9/159:30 am -
1 stop24h 34m
Deal found 8/29![Multiple Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 9/126:55 pm -
1 stop19h 10m
Mon 9/148:10 am -
1 stop25h 29m
Deal found 8/29![Multiple Airlines logo]()
$464
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 9/149:00 am -
1 stop11h 05m
Tue 9/159:30 am -
1 stop24h 34m
Deal found 8/28![Multiple Airlines logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 9/1710:54 am -
1 stop10h 01m
Sun 9/2012:55 pm -
1 stop24h 32m
Deal found 8/29![Multiple Airlines logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/2210:29 am -
1 stop28h 01m
Fri 9/255:15 pm -
1 stop21h 46m
Deal found 8/30![Multiple Airlines logo]()
$463
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Wed 9/304:14 pm -
1 stop28h 41m
Wed 10/77:45 am -
1 stop6h 57m
Deal found 9/2![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 -
1 stop21h 51m
Wed 10/216:00 am -
1 stop4h 17m
Deal found 8/30![Multiple Airlines logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 10/169:24 pm -
1 stop16h 41m
Fri 10/2311:15 pm -
2 stops33h 10m
Deal found 9/1![Multiple Airlines logo]()
$447
One-way flights from Knoxville to Niagara FallsSearch for one-way flight options from Knoxville to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
Search for one-way flight options from Knoxville to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 10/156:15 am -
1 stop7h 50m
Deal found 8/31![Multiple Airlines logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 -
1 stop21h 51m
Deal found 8/30![Multiple Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 10/39:36 pm -
1 stop19h 19m
Deal found 8/28![Multiple Airlines logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/2410:54 am -
1 stop10h 01m
Deal found 8/31![Multiple Airlines logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/2812:22 pm -
3 stops28h 33m
Deal found 8/31![Multiple Airlines logo]()
$243
This United Airlines deal was found by Cheapflights users on 8/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:00 am -
1 stop5h 49m
Deal found 8/31![United Airlines logo]()
$294
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 September 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $397 (Kiwi.com) |
One-way from | $113 (Kiwi.com) |
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 7,457,451 searches. Data last updated September 2, 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
Cheapest round-trip
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Mon 9/14
9:00 am-8:05 pm
1 stop11h 05m
Toronto Pearson Intl
Tue 9/15
9:30 am-10:04 am
1 stop24h 34m
$415
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Wed 10/14
4:14 pm-2:05 pm
1 stop21h 51m
Toronto Pearson Intl
Wed 10/21
6:33 pm-5:33 pm
2 stops23h 00m
$451
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Sat 9/12
6:55 pm-2:05 pm
1 stop19h 10m
Toronto Pearson Intl
Mon 9/14
8:10 am-9:39 am
1 stop25h 29m
$464
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Sat 9/12
9:30 am-10:04 pm
2 stops12h 34m
Toronto Pearson Intl
Tue 9/15
9:30 am-10:04 am
1 stop24h 34m
$500
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Sat 10/31
5:45 am-5:57 pm
1 stop12h 12m
Toronto Pearson Intl
Wed 11/4
10:00 am-11:59 pm
1 stop13h 59m
$570
Quickest round-trip
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Tue 9/15
10:45 am-3:46 pm
1 stop5h 01m
Toronto Pearson Intl
Tue 9/15
7:43 pm-11:59 pm
1 stop4h 16m
$601
Cheapest one-way
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Thu 10/15
6:15 am-2:05 pm
1 stop7h 50m
$113
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Wed 10/14
4:14 pm-2:05 pm
1 stop21h 51m
$139
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Sat 10/3
9:36 pm-4:55 pm
1 stop19h 19m
$191
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Thu 9/24
10:54 am-8:55 pm
1 stop10h 01m
$193
Showing 1-10 of 13 resultsSorted by cheapest first
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.
TYS-YYZ
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
TYS-NI4
TYS-YYZ
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 September 2, 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.
Boarding
7.5
Entertainment
6.8
Overall
7.1
Food
6.4
Comfort
7.2
Crew
7.9
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
Boarding
7.5
Entertainment
6.8
Overall
7.1
Food
6.4
Comfort
7.2
Crew
7.9
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
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.
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Complete your trip
Complete your trip to Niagara Falls by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Knoxville to Niagara Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Knoxville and Niagara Falls flights
Browse other Knoxville and Niagara Falls flight options. Last updated on September 2, 2026.
Other flights from Knoxville
Browse through other flights departing from Knoxville. Flights are based on user searches made on Cheapflights and were last updated on September 2, 2026.
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Knoxville to Niagara Falls flights
Consider these flights traveling from Knoxville to Niagara Falls.
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 7,457,451 searches. Data last updated September 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$427 | Average$683 | FlexibilityNo cancel fee | On-time71% |