Find flights
When to book
Airlines
FAQs

Cheap flights from Niagara Falls, ON to Knoxville from C$ 233

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 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — TYS
7 May — 14 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Niagara Falls to Knoxville

Enter your travel dates to find the best prices.

Cheapest flights from Niagara Falls to Knoxville
Explore the most affordable flight options available from Niagara Falls to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 April 2026.

Tue 21/411:15 a.m.
YYZ
-
TYS
1 stop23h 21m
Multiple Airlines
Thu 23/49:32 p.m.
TYS
-
YYZ
1 stop24h 43m
Multiple Airlines
Deal found 3/4C$ 468
Tue 21/411:15 a.m.
YYZ
-
TYS
1 stop23h 21m
Multiple Airlines
Fri 24/47:10 a.m.
TYS
-
YYZ
2 stops13h 00m
Multiple Airlines
Deal found 3/4C$ 491
Thu 23/49:35 a.m.
YYZ
-
TYS
1 stop11h 07m
Multiple Airlines
Fri 24/47:30 a.m.
TYS
-
YYZ
1 stop7h 23m
Multiple Airlines
Deal found 3/4C$ 498
Wed 22/411:15 a.m.
YYZ
-
TYS
1 stop27h 30m
Multiple Airlines
Fri 24/47:30 a.m.
TYS
-
YYZ
1 stop7h 50m
Multiple Airlines
Deal found 3/4C$ 503
Wed 22/411:15 a.m.
YYZ
-
TYS
1 stop27h 30m
Multiple Airlines
Sun 26/49:32 p.m.
TYS
-
YYZ
1 stop16h 33m
Multiple Airlines
Deal found 4/4C$ 525
Tue 21/411:15 a.m.
YYZ
-
TYS
1 stop23h 21m
Multiple Airlines
Sun 26/49:32 p.m.
TYS
-
YYZ
1 stop16h 33m
Multiple Airlines
Deal found 4/4C$ 529
Sun 19/48:20 p.m.
YYZ
-
TYS
1 stop21h 10m
Multiple Airlines
Thu 23/49:32 p.m.
TYS
-
YYZ
1 stop17h 48m
Multiple Airlines
Deal found 3/4C$ 530
Wed 22/411:15 a.m.
YYZ
-
TYS
1 stop27h 30m
Multiple Airlines
Mon 27/47:10 a.m.
TYS
-
YYZ
2 stops9h 10m
Multiple Airlines
Deal found 3/4C$ 540
Sat 6/61:30 p.m.
YYZ
-
TYS
1 stop22h 41m
Multiple Airlines
Sat 13/67:10 a.m.
TYS
-
YYZ
2 stops10h 30m
Multiple Airlines
Deal found 6/4C$ 546
Tue 21/411:15 a.m.
YYZ
-
TYS
1 stop23h 21m
Multiple Airlines
Mon 27/47:10 a.m.
TYS
-
YYZ
2 stops9h 10m
Multiple Airlines
Deal found 3/4C$ 547

Find flight deals from Niagara Falls to Knoxville

Keep the following information in mind while searching for Niagara Falls to Knoxville flight deals. Data was last updated 7 April 2026.

Round-trip from

C$ 468

One-way from

C$ 233

Popular in

February

Cheapest in

July

Average price

C$ 759
21/4-23/4
  • 21/4-23/4
  • 2 total stops
  • 48h 04m total
  • Niagara Falls to Knoxville
Search Deals
22/5
  • 22/5
  • 1 total stop
  • 20h 37m total
  • Niagara Falls to Knoxville
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Niagara Falls to Knoxville 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 629,999 searches. Data last updated 7 April 2026.
Use the filters below to find and compare flights from Niagara Falls to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

TorontoKnoxville

YYZ - TYS

YYZTYS

Toronto Pearson Intl

Fri 11/9

1:30 p.m.-6:17 p.m.

1 stop4h 47m

Knoxville McGhee Tyson

Mon 14/9

7:20 p.m.-12:04 a.m.

1 stop4h 44m

C$ 579

TorontoKnoxville

YYZ - TYS

YYZTYS

Toronto Pearson Intl

Wed 22/4

11:15 a.m.-2:45 p.m.

1 stop27h 30m

Knoxville McGhee Tyson

Sat 25/4

12:56 p.m.-10:15 p.m.

1 stop9h 19m

C$ 596

TorontoKnoxville

YYZ - TYS

YYZTYS

Toronto Pearson Intl

Tue 2/6

4:04 p.m.-9:25 p.m.

1 stop5h 21m

Knoxville McGhee Tyson

Fri 5/6

3:30 p.m.-9:55 p.m.

1 stop6h 25m

C$ 600

TorontoKnoxville

YYZ - TYS

YYZTYS

Toronto Pearson Intl

Wed 22/4

11:30 a.m.-3:52 p.m.

1 stop4h 22m

Knoxville McGhee Tyson

Fri 24/4

7:50 a.m.-1:24 p.m.

1 stop5h 34m

C$ 601

TorontoKnoxville

YYZ - TYS

YYZTYS

Toronto Pearson Intl

Mon 20/4

4:11 p.m.-9:20 p.m.

1 stop5h 09m

Knoxville McGhee Tyson

Sat 25/4

5:40 a.m.-10:19 a.m.

1 stop4h 39m

C$ 601

TorontoKnoxville

YYZ - TYS

YYZTYS

Toronto Pearson Intl

Sun 17/5

1:34 p.m.-9:48 p.m.

1 stop8h 14m

Knoxville McGhee Tyson

Tue 19/5

3:30 p.m.-11:58 p.m.

1 stop8h 28m

C$ 635

TorontoKnoxville

YYZ - TYS

YYZTYS

Toronto Pearson Intl

Thu 23/4

2:15 p.m.-9:20 p.m.

1 stop7h 05m

Knoxville McGhee Tyson

Sat 25/4

5:40 a.m.-10:19 a.m.

1 stop4h 39m

C$ 635

TorontoKnoxville

YYZ - TYS

YYZTYS

Toronto Pearson Intl

Tue 21/4

6:10 a.m.-7:56 p.m.

1 stop13h 46m

Knoxville McGhee Tyson

Sun 26/4

7:00 a.m.-11:49 a.m.

1 stop4h 49m

C$ 664
Cheapest one-way

TorontoKnoxville

YYZ - TYS

YYZTYS

Toronto Pearson Intl

Tue 28/4

6:30 a.m.-10:36 a.m.

1 stop28h 06m

C$ 260

TorontoKnoxville

YYZ - TYS

YYZTYS

Toronto Pearson Intl

Tue 5/5

9:30 a.m.-10:36 a.m.

1 stop25h 06m

C$ 273

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/4

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Best time to book a flight from Niagara Falls to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Niagara Falls with our price prediction graph.
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 Niagara Falls to Knoxville

How much does it cost to fly round-trip from Niagara Falls to Knoxville?

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated 7 April 2026.
Read reviews from past customers who have flown United Airlines and WestJet from Niagara Falls to Knoxville. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,548 reviews
Check prices

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,548 reviews
United Airlines
7.4
Good
9,548 reviews
Check prices

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
WestJet
7.2
Good
3,316 reviews
United Airlines
7.4
Good
9,548 reviews
Check prices

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

Find useful and relevant information for your journey from Niagara Falls to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Most people fly into Knoxville McGhee Tyson (TYS) if they book a flight to Knoxville from Niagara Falls. On average, McGhee Tyson has 0 inbound flights from Niagara Falls per day from 2 airlines. Knoxville McGhee Tyson is conveniently located just 18.2 km from Knoxville’s city centre.

  • How long is the flight from Niagara Falls to Knoxville?

    For as low as C$ 579, Delta can have you in Knoxville from Niagara Falls in 4h 47m. The distance from Niagara Falls to Knoxville is about 951 km.

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

    Yes. In addition to deals on Niagara Falls to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Niagara Falls to Knoxville.

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

    Yes. Cheapflights offers flight deals from Niagara Falls to Knoxville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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.

Top 2 airlines flying from Niagara Falls to Knoxville

Discover the top 2 airlines that operate flights from Niagara Falls to Knoxville. 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 629,999 searches. Data last updated 7 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 423AverageC$ 758FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 500AverageC$ 743FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Niagara Falls to Knoxville?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Knoxville from Niagara Falls today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Niagara Falls to Knoxville?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Knoxville from Niagara Falls.

Can Cheapflights find flights from Niagara Falls to Knoxville with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Niagara Falls to Knoxville, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Niagara Falls to Knoxville become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.