$166+ Cheap flights from Knoxville (TYS) to Niagara Falls, Canada
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — YYZ
Oct 11 — Oct 181
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
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 11, 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 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sat 10/316:18 pm -
1 stop22h 57m
Mon 11/96:30 am -
1 stop7h 01m
Deal found 9/10![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/106:08 pm -
1 stop28h 47m
Fri 11/135:20 pm -
1 stop18h 19m
Deal found 9/10![Multiple Airlines logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Mon 10/268:14 pm -
1 stop18h 46m
Sat 10/317:15 am -
1 stop13h 35m
Deal found 9/10![Multiple Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Sun 10/259:15 am -
1 stop14h 40m
Tue 10/279:35 am -
1 stop7h 39m
Deal found 9/8![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/106:00 am -
1 stop6h 00m
Sun 10/188:10 am -
2 stops37h 11m
Deal found 9/8![Multiple Airlines logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 12/81:57 pm -
1 stop27h 13m
Fri 12/116:30 am -
1 stop6h 52m
Deal found 9/10![Multiple Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/244:41 pm -
2 stops23h 34m
Sat 10/317:35 am -
1 stop25h 50m
Deal found 9/9![Multiple Airlines logo]()
$420
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 11, 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 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sat 10/316:18 pm -
1 stop22h 57m
Mon 11/96:30 am -
1 stop7h 01m
Deal found 9/10![Multiple Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:19 am -
1 stop6h 30m
Wed 11/46:45 am -
1 stop6h 28m
Deal found 9/8![United Airlines logo]()
$636
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/106:00 am -
1 stop6h 00m
Sun 10/188:10 am -
2 stops37h 11m
Deal found 9/8![Multiple Airlines logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Mon 10/269:42 pm -
2 stops22h 38m
Sat 10/317:15 am -
1 stop13h 35m
Deal found 9/10![Multiple Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Mon 12/78:00 am -
1 stop13h 55m
Thu 12/1012:20 pm -
2 stops20h 07m
Deal found 9/10![Multiple Airlines logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Sat 1/912:00 pm -
1 stop10h 55m
Mon 1/116:30 am -
1 stop7h 01m
Deal found 9/7![Multiple Airlines logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Fri 10/23:04 pm -
2 stops23h 01m
Tue 10/69:30 am -
1 stop24h 35m
Deal found 9/6![Multiple Airlines logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Tue 9/227:33 am -
1 stop3h 45m
Fri 9/255:15 pm -
1 stop21h 46m
Deal found 9/8![Multiple Airlines logo]()
$612
Last-minute flights from Knoxville to Niagara FallsDiscover last-minute flight deals from Knoxville to Niagara Falls. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Niagara Falls. Data last updated September 11, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Fri 10/23:04 pm -
2 stops23h 01m
Tue 10/69:30 am -
1 stop24h 35m
Deal found 9/6![Multiple Airlines logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/106:00 am -
1 stop6h 00m
Sun 10/188:10 am -
2 stops37h 11m
Deal found 9/8![Multiple Airlines logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/244:41 pm -
2 stops23h 34m
Sat 10/317:35 am -
1 stop25h 50m
Deal found 9/9![Multiple Airlines logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Sun 10/259:15 am -
1 stop14h 40m
Tue 10/279:35 am -
1 stop7h 39m
Deal found 9/8![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Mon 10/268:14 pm -
1 stop18h 46m
Sat 10/317:15 am -
1 stop13h 35m
Deal found 9/10![Multiple Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sat 10/316:18 pm -
1 stop22h 57m
Mon 11/96:30 am -
1 stop7h 01m
Deal found 9/10![Multiple Airlines logo]()
$344
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 11, 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 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Thu 10/16:15 am -
1 stop7h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Mon 10/129:33 pm -
1 stop19h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Tue 10/137:04 pm -
1 stop21h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/39:36 pm -
1 stop16h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$231
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:00 am -
2 stops11h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$370
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 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $344 (Kiwi.com) |
One-way from | $166 (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 11, 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
Quickest round-trip
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Thu 10/1
6:15 am-2:05 pm
1 stop7h 50m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$166
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Tue 10/13
8:30 am-10:04 pm
2 stops13h 34m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$227
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Sat 10/3
9:36 pm-2:05 pm
1 stop16h 29m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$231
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Mon 10/12
7:10 am-6:28 pm
2 stops11h 18m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$273
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Sat 10/31
6:18 pm-5:15 pm
1 stop22h 57m
Toronto Pearson Intl
Mon 11/9
6:30 am-1:31 pm
1 stop7h 01m
$344
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Sat 10/3
6:00 am-5:07 pm
2 stops11h 07m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$370
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Sat 10/10
6:00 am-12:00 pm
1 stop6h 00m
Toronto Pearson Intl
Sun 10/18
8:10 am-9:21 pm
2 stops37h 11m
$392
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Mon 10/26
9:42 pm-8:20 pm
2 stops22h 38m
Toronto Pearson Intl
Sat 10/31
7:15 am-8:50 pm
1 stop13h 35m
$397
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Mon 12/7
8:00 am-9:55 pm
1 stop13h 55m
Toronto Pearson Intl
Thu 12/10
12:20 pm-8:27 am
2 stops20h 07m
$442
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Sat 1/9
12:00 pm-10:55 pm
1 stop10h 55m
Toronto Pearson Intl
Mon 1/11
6:30 am-1:31 pm
1 stop7h 01m
$446
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 11, 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.
Comfort
7.2
Crew
7.9
Food
6.4
Entertainment
6.8
Boarding
7.5
Overall
7.1
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
Comfort
7.2
Crew
7.9
Food
6.4
Entertainment
6.8
Boarding
7.5
Overall
7.1
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Knoxville
Popular flights
Top destinations
Alternative routes for Knoxville to Niagara Falls
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Niagara Falls by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Knoxville to Niagara Falls by cabin class
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 11, 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 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$427 | Average$683 | FlexibilityNo cancel fee | On-time71% |