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Cheap flights from Niagara Falls, ON to Knoxville from C$ 268

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — TYS
7 Aug — 14 Aug1
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 8 July 2026.

Tue 1/99:30 a.m.
YYZ
-
TYS
1 stop24h 34m
Multiple Airlines
Sat 26/96:55 p.m.
TYS
-
YYZ
1 stop19h 10m
Multiple Airlines
Deal found 6/7C$ 484
Fri 11/91:30 p.m.
YYZ
-
TYS
1 stop20h 44m
Multiple Airlines
Wed 16/910:54 a.m.
TYS
-
YYZ
1 stop30h 01m
Multiple Airlines
Deal found 7/7C$ 523
Tue 4/89:00 p.m.
YYZ
-
TYS
1 stop12h 43m
United Airlines
Tue 11/87:00 a.m.
TYS
-
YYZ
1 stop10h 56m
United Airlines
Deal found 7/7C$ 534
Sat 22/87:25 a.m.
YYZ
-
TYS
1 stop7h 42m
Multiple Airlines
Sat 29/89:30 a.m.
TYS
-
YYZ
1 stop12h 35m
Multiple Airlines
Deal found 6/7C$ 580
Fri 28/85:10 p.m.
YYZ
-
TYS
1 stop21h 57m
Multiple Airlines
Thu 3/99:30 a.m.
TYS
-
YYZ
1 stop11h 55m
Multiple Airlines
Deal found 3/7C$ 597
Fri 17/72:45 p.m.
YYZ
-
TYS
1 stop5h 59m
United Airlines
Tue 4/86:00 a.m.
TYS
-
YYZ
1 stop13h 37m
United Airlines
Deal found 7/7C$ 618
Tue 8/99:00 p.m.
YYZ
-
TYS
1 stop12h 57m
United Airlines
Wed 9/91:53 p.m.
TYS
-
YYZ
1 stop6h 51m
United Airlines
Deal found 6/7C$ 632
Tue 11/86:10 a.m.
YYZ
-
TYS
1 stop4h 14m
Delta
Tue 18/812:01 p.m.
TYS
-
YYZ
1 stop5h 18m
Delta
Deal found 6/7C$ 641
Fri 31/74:50 p.m.
YYZ
-
TYS
1 stop6h 43m
Multiple Airlines
Mon 3/87:20 p.m.
TYS
-
YYZ
1 stop21h 25m
Multiple Airlines
Deal found 5/7C$ 644
Tue 4/89:45 a.m.
YYZ
-
TYS
1 stop7h 57m
WestJet
Tue 11/85:40 a.m.
TYS
-
YYZ
2 stops19h 25m
WestJet
Deal found 7/7C$ 649
Fri 31/79:45 a.m.
YYZ
-
TYS
1 stop8h 10m
Delta
Sat 22/810:28 a.m.
TYS
-
YYZ
1 stop6h 51m
Delta
Deal found 6/7C$ 661

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 8 July 2026.

Round-trip from

C$ 484

One-way from

C$ 268

Popular in

February

Cheapest in

January

Average price

C$ 825
1/9-26/9
  • 1/9-26/9
  • 2 total stops
  • 43h 44m total
  • Niagara Falls to Knoxville
Search Deals
22/9
  • 22/9
  • 1 total stop
  • 24h 34m total
  • Niagara Falls to Knoxville
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 8 July 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

TorontoKnoxville

YYZ - TYS

YYZTYS

Toronto Pearson Intl

Fri 11/9

1:30 p.m.-10:14 a.m.

1 stop20h 44m

Knoxville McGhee Tyson

Wed 16/9

10:54 a.m.-4:55 p.m.

1 stop30h 01m

C$ 523

TorontoKnoxville

YYZ - TYS

YYZTYS

Toronto Pearson Intl

Tue 4/8

9:00 p.m.-9:43 a.m.

1 stop12h 43m

Knoxville McGhee Tyson

Tue 11/8

7:00 a.m.-5:56 p.m.

1 stop10h 56m

C$ 534

TorontoKnoxville

YYZ - TYS

YYZTYS

Toronto Pearson Intl

Fri 17/7

7:45 a.m.-2:48 p.m.

1 stop7h 03m

Knoxville McGhee Tyson

Tue 4/8

6:12 p.m.-11:57 p.m.

1 stop5h 45m

C$ 618

TorontoKnoxville

YYZ - TYS

YYZTYS

Toronto Pearson Intl

Fri 17/7

2:45 p.m.-8:44 p.m.

1 stop5h 59m

Knoxville McGhee Tyson

Tue 4/8

6:00 a.m.-7:37 p.m.

1 stop13h 37m

C$ 618

TorontoKnoxville

YYZ - TYS

YYZTYS

Toronto Pearson Intl

Tue 8/9

9:00 p.m.-9:57 a.m.

1 stop12h 57m

Knoxville McGhee Tyson

Wed 9/9

1:53 p.m.-8:44 p.m.

1 stop6h 51m

C$ 632

TorontoKnoxville

YYZ - TYS

YYZTYS

Toronto Pearson Intl

Fri 11/9

11:38 a.m.-4:43 p.m.

1 stop5h 05m

Knoxville McGhee Tyson

Wed 16/9

5:35 a.m.-8:50 p.m.

2 stops15h 15m

C$ 669

TorontoKnoxville

YYZ - TYS

YYZTYS

Toronto Pearson Intl

Tue 8/9

6:34 p.m.-10:27 p.m.

1 stop3h 53m

Knoxville McGhee Tyson

Wed 9/9

6:00 a.m.-1:05 a.m.

2 stops19h 05m

C$ 672

TorontoKnoxville

YYZ - TYS

YYZTYS

Toronto Pearson Intl

Fri 24/7

6:00 a.m.-2:48 p.m.

1 stop8h 48m

Knoxville McGhee Tyson

Mon 27/7

3:59 p.m.-11:02 p.m.

1 stop7h 03m

C$ 682
Quickest round-trip

TorontoKnoxville

YYZ - TYS

YYZTYS

Toronto Pearson Intl

Mon 21/9

10:15 a.m.-4:58 p.m.

1 stop6h 43m

Knoxville McGhee Tyson

Fri 25/9

5:45 a.m.-10:04 a.m.

1 stop4h 19m

C$ 682
Cheapest one-way

TorontoKnoxville

YYZ - TYS

YYZTYS

Toronto Pearson Intl

Mon 21/9

9:30 a.m.-4:50 p.m.

1 stop7h 20m

C$ 291

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 20 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 8 July 2026.
Read reviews from past customers who have flown United Airlines 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
9,948 reviews
Check prices

Overall

7.4

Entertainment

7.1

Food

6.7

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,948 reviews
United Airlines
7.4
Good
9,948 reviews
Check prices

Overall

7.4

Entertainment

7.1

Food

6.7

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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 1 airline. 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$ 618, United Airlines can have you in Knoxville from Niagara Falls in 7h 03m. The distance from Niagara Falls to Knoxville is about 951 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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

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Top airline flying from Niagara Falls to Knoxville

Discover the top airline 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 8 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 736AverageC$ 774FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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

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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.

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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!

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