Cheap flights from Knoxville (TYS) to Niagara Falls, Canada
TYS — YYZ
Oct 25 — Nov 11
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.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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
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 25, 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
Entertainment
6.8
Boarding
7.4
Crew
7.9
Overall
7.0
Food
6.4
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
Comfort
7.2
Entertainment
6.8
Boarding
7.4
Crew
7.9
Overall
7.0
Food
6.4
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 25, 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 25, 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 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$427 | Average$683 | FlexibilityNo cancel fee | On-time71% |