$388+ 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — YYZ
Oct 19 — Oct 261
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
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 19, 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 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/276:04 pm -
1 stop20h 56m
Tue 11/39:35 am -
1 stop24h 30m
Deal found 9/16![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 11/17:30 am -
2 stops11h 35m
Sun 11/81:40 pm -
1 stop24h 29m
Deal found 9/17![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Tue 10/137:04 pm -
1 stop21h 51m
Tue 10/209:30 am -
1 stop8h 44m
Deal found 9/15![Multiple Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/308:30 am -
1 stop13h 25m
Fri 11/65:20 pm -
1 stop18h 19m
Deal found 9/15![Multiple Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 11/2510:03 pm -
1 stop15h 37m
Sun 11/294:50 pm -
1 stop18h 33m
Deal found 9/17![Multiple Airlines logo]()
$452
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Mon 11/168:44 pm -
1 stop20h 26m
Fri 11/201:40 pm -
1 stop9h 47m
Deal found 9/15![Multiple Airlines logo]()
$454
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Thu 10/86:15 am -
1 stop14h 40m
Sun 10/184:45 pm -
2 stops28h 54m
Deal found 9/15![Multiple Airlines logo]()
$476
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Tue 11/249:51 pm -
1 stop17h 32m
Sun 11/294:50 pm -
1 stop18h 33m
Deal found 9/15![Multiple Airlines logo]()
$484
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 19, 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 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/308:30 am -
1 stop13h 25m
Fri 11/65:20 pm -
1 stop18h 19m
Deal found 9/15![Multiple Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 9/18. 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 10/319:45 am -
1 stop9h 16m
Wed 11/47:44 pm -
1 stop19h 04m
Deal found 9/18![United Airlines logo]()
$598
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 11/2411:24 am -
2 stops29h 46m
Sun 11/294:50 pm -
1 stop18h 33m
Deal found 9/18![Multiple Airlines logo]()
$491
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/99:35 pm -
1 stop16h 30m
Thu 10/156:15 am -
1 stop4h 39m
Deal found 9/17![Multiple Airlines logo]()
$498
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 stop16h 32m
Wed 10/141:34 pm -
1 stop3h 54m
Deal found 9/14![Multiple Airlines logo]()
$507
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 10/165:45 am -
1 stop18h 09m
Fri 10/231:55 pm -
1 stop10h 04m
Deal found 9/16![United Airlines logo]()
$620
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 stop21h 51m
Wed 10/77:45 am -
1 stop6h 57m
Deal found 9/18![Multiple Airlines logo]()
$520
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 11/2510:03 pm -
1 stop15h 37m
Sun 11/2910:20 pm -
2 stops24h 52m
Deal found 9/17![Multiple Airlines logo]()
$614
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/411:30 am -
1 stop9h 25m
Fri 10/96:00 am -
1 stop5h 02m
Deal found 9/16![Multiple Airlines logo]()
$650
Last-minute flights from Knoxville to Niagara FallsDiscover last-minute flight deals from Knoxville to Niagara Falls. Data last updated September 19, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Niagara Falls. Data last updated September 19, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 -
2 stops9h 33m
Sat 10/36:30 am -
1 stop25h 35m
Deal found 9/18![Multiple Airlines logo]()
$518
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Thu 10/86:15 am -
1 stop14h 40m
Sun 10/184:45 pm -
2 stops28h 54m
Deal found 9/15![Multiple Airlines logo]()
$476
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/99:35 pm -
1 stop16h 30m
Thu 10/156:15 am -
1 stop4h 39m
Deal found 9/17![Multiple Airlines logo]()
$498
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 stop16h 32m
Wed 10/141:34 pm -
1 stop3h 54m
Deal found 9/14![Multiple Airlines logo]()
$507
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Tue 10/137:04 pm -
1 stop21h 51m
Tue 10/209:30 am -
1 stop8h 44m
Deal found 9/15![Multiple Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/234:55 pm -
1 stop18h 37m
Deal found 9/16![Multiple Airlines logo]()
$499
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/276:04 pm -
1 stop20h 56m
Tue 11/39:35 am -
1 stop24h 30m
Deal found 9/16![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/308:30 am -
1 stop13h 25m
Fri 11/65:20 pm -
1 stop18h 19m
Deal found 9/15![Multiple Airlines logo]()
$419
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 19, 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 19, 2026.
This FlightHub deal was found by Cheapflights users on 9/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:40 am -
1 stop6h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![WestJet logo]()
$489
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 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $388 (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 19, 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
Fri 10/30
8:30 am-9:55 pm
1 stop13h 25m
Toronto Pearson Intl
Fri 11/6
5:20 pm-11:39 am
1 stop18h 19m
$419
Quickest round-trip
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Fri 9/25
5:40 am-12:19 pm
1 stop6h 39m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$489
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Tue 11/24
11:24 am-5:10 pm
2 stops29h 46m
Toronto Pearson Intl
Sun 11/29
4:50 pm-11:23 am
1 stop18h 33m
$491
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Fri 10/9
9:35 pm-2:05 pm
1 stop16h 30m
Toronto Pearson Intl
Thu 10/15
6:15 am-10:54 am
1 stop4h 39m
$498
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Mon 10/12
9:33 pm-2:05 pm
1 stop16h 32m
Toronto Pearson Intl
Wed 10/14
1:34 pm-5:28 pm
1 stop3h 54m
$507
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Wed 9/30
4:14 pm-2:05 pm
1 stop21h 51m
Toronto Pearson Intl
Wed 10/7
7:45 am-2:42 pm
1 stop6h 57m
$520
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Sat 10/31
9:45 am-7:01 pm
1 stop9h 16m
Toronto Pearson Intl
Wed 11/4
7:44 pm-2:48 pm
1 stop19h 04m
$598
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Wed 11/25
10:03 pm-1:40 pm
1 stop15h 37m
Toronto Pearson Intl
Sun 11/29
10:20 pm-11:12 pm
2 stops24h 52m
$614
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Fri 10/16
5:45 am-11:54 pm
1 stop18h 09m
Toronto Pearson Intl
Fri 10/23
1:55 pm-11:59 pm
1 stop10h 04m
$620
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Sun 10/4
11:30 am-8:55 pm
1 stop9h 25m
Toronto Pearson Intl
Fri 10/9
6:00 am-11:02 am
1 stop5h 02m
$650
Sorted 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 19, 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.
Food
6.4
Comfort
7.2
Entertainment
6.8
Boarding
7.4
Crew
7.9
Overall
7.0
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
Food
6.4
Comfort
7.2
Entertainment
6.8
Boarding
7.4
Crew
7.9
Overall
7.0
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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Alternative routes for Knoxville to Niagara Falls
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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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Knoxville and Niagara Falls flights
Browse other Knoxville and Niagara Falls flight options. Last updated on September 19, 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 19, 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 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$427 | Average$683 | FlexibilityNo cancel fee | On-time71% |