In terms of precipitation, rainfall in Niagara Falls ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Niagara Falls when rainfall is around 2.0 in.

If weather is an important factor for your trip to Niagara Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

What is the cheapest time of day to fly from TYS to NI4?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Knoxville to Niagara Falls as you normally would.

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. 1 airline has flights to Niagara Falls from Knoxville McGhee Tyson on a regular basis.

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.

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Most accurate provider	FlightHub 3 stars
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Popular in	November
Cheapest in	July

Provider with most accurate pricing for Knoxville McGhee Tyson-Toronto (YTO) flight deals.

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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Toronto (YTO) flights.

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Highest demand for flights based on searches. 15% potential increase in price ($132 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($43 potential savings vs. average RT price).

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Reviews of airlines servicing Niagara Falls

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.

American Airlines

7.0

Good

12,097 reviews

Reviews

1 / 20

10.0

Excellent

Linda,Jul 2026

ROA - CLT

Very helpful and friendly people who pushed me where I needed to go

American Airlines

7.0

Good

12,097 reviews

American Airlines

7.0

Good

12,097 reviews

Reviews

1 / 20

10.0

Excellent

Linda,Jul 2026

ROA - CLT

Very helpful and friendly people who pushed me where I needed to go

Related info for your journey

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. 1 airline has flights to Niagara Falls from Knoxville McGhee Tyson on a regular basis.
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.

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Top airline flying from Knoxville to Niagara Falls

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$427	Average$683	FlexibilityNo cancel fee	On-time71%

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Find cheap flights from Knoxville to Niagara Falls with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Knoxville to Niagara Falls

Most accurate provider

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Reviews of airlines servicing Niagara Falls

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.

Related info for your journey

What airport do you fly from for flights from Knoxville to Niagara Falls?

Can I find deals for flights from Knoxville to Niagara Falls that include hotel bookings?

How can I find direct flights from Knoxville to Niagara Falls?

Can I find deals for business class flights from Knoxville to Niagara Falls?

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 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 29, 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 29, 2026.

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Cheap flights from Knoxville (TYS) to Niagara Falls, Canada

Find cheap flights from Knoxville to Niagara Falls with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Knoxville to Niagara Falls

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Reviews of airlines servicing Niagara Falls

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.

Related info for your journey

What airport do you fly from for flights from Knoxville to Niagara Falls?

Can I find deals for flights from Knoxville to Niagara Falls that include hotel bookings?

How can I find direct flights from Knoxville to Niagara Falls?

Can I find deals for business class flights from Knoxville to Niagara Falls?

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 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 29, 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 29, 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

100% Free

Book with Flexibility

Travel Smart