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$109+ Cheap flights from Ontario to Knoxville (ONT - TYS)

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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TYS
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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The best prices from Ontario to Knoxville McGhee Tyson are usually found in February or January, booked 47 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

Cheap flight deals from Ontario to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$264
(American Airlines)

One-way from

$109
(Mytrip)

Popular in

May

Cheapest in

February

Average price

$343
Provider with most accurate pricing for Ontario-Knoxville McGhee Tyson flight deals.
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Provider most trusted by Cheapflights users for Ontario-Knoxville McGhee Tyson flights.
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From Ontario to Knoxville McGhee Tyson
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One-way flight from Ontario to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 10% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from Ontario to Knoxville

Cheapest flights from Ontario to Knoxville
Explore the most affordable flight options available from Ontario to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1810:05 amONT - TYS
2 stops10h 44mAmerican Airlines
Tue 2/254:16 pmTYS - ONT
1 stop7h 46mAmerican Airlines
Deal found 1/20$264
This Delta deal was found by Cheapflights users on 1/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/225:05 pmONT - TYS
2 stops13h 58mDelta
Mon 8/256:05 pmTYS - ONT
2 stops8h 38mDelta
Deal found 1/21$299
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 6/106:32 pmONT - TYS
2 stops12h 55mUnited Airlines
Tue 6/1710:50 amTYS - ONT
2 stops9h 35mUnited Airlines
Deal found 1/20$439
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/45:44 pmONT - TYS
2 stops21h 12mAlaska Airlines
Fri 2/711:02 amTYS - ONT
2 stops26h 47mAlaska Airlines
Deal found 1/21$440
This Booking.com deal was found by Cheapflights users on 1/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/93:17 pmONT - TYS
1 stop21h 24mFrontier
Sun 4/134:43 pmTYS - ONT
1 stop10h 16mFrontier
Deal found 1/21$505
This Travelocity deal was found by Cheapflights users on 1/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1912:59 amONT - TYS
1 stop11h 24mMultiple Airlines
Mon 3/245:51 amTYS - ONT
2 stops15h 32mMultiple Airlines
Deal found 1/20$845

Find flights from Ontario to Knoxville within your budget

Customize your flight search to find flights from Ontario 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 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

Tue 2/18

10:05 am-11:49 pm

2 stops10h 44m

Knoxville McGhee Tyson

Tue 2/25

4:16 pm-9:02 pm

1 stop7h 46m

$264

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

Thu 2/13

1:05 pm-11:47 pm

1 stop7h 42m

Knoxville McGhee Tyson

Tue 2/18

1:00 pm-11:51 pm

2 stops13h 51m

$344

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

Tue 6/10

6:32 pm-10:27 am

2 stops12h 55m

Knoxville McGhee Tyson

Tue 6/17

10:50 am-5:25 pm

2 stops9h 35m

$439

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

Tue 2/4

5:44 pm-5:56 pm

2 stops21h 12m

Knoxville McGhee Tyson

Fri 2/7

11:02 am-10:49 am

2 stops26h 47m

$440

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

Wed 4/9

3:17 pm-3:41 pm

1 stop21h 24m

Knoxville McGhee Tyson

Sun 4/13

4:43 pm-11:59 pm

1 stop10h 16m

$505

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

Wed 3/19

12:59 am-3:23 pm

1 stop11h 24m

Knoxville McGhee Tyson

Mon 3/24

5:51 am-6:23 pm

2 stops15h 32m

$845

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

Wed 3/26

12:59 am-3:23 pm

1 stop11h 24m

$109

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

Fri 4/18

10:59 pm-9:40 am

1 stop7h 41m

$246

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

Thu 3/27

7:00 am-5:21 pm

1 stop7h 21m

$318

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

Sat 6/7

6:41 pm-10:09 am

2 stops12h 28m

$320

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Compare providers for flights from Ontario to Knoxville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Knoxville in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*2 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Knoxville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Knoxville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Ontario 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.

Travel insights for flights from Ontario to Knoxville

Get recent, data-driven insights about flights from Ontario to Knoxville including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Ontario to Knoxville?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Knoxville. Price data was last updated on January 17, 2025.

To ensure you get the cheapest price possible for a flight from Ontario to Knoxville, you should look to book at least 47 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Ontario to Knoxville?

Currently, January is the cheapest month in which you can book a flight from Ontario to Knoxville (average of $297). Flying from Ontario to Knoxville in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Ontario to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

It’s typically best to fly out from Ontario to Knoxville in the afternoon. Doing so could potentially save you 14% on the flight price compared to flying in the evening, which is usually more expensive.

Rainfall in Knoxville by month

Plan your trip to Knoxville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Knoxville ranges from 2.7 - 4.8 inches per month. March is typically the wettest month, when rainfall can reach 4.8 in. October is typically the driest time to visit Knoxville when rainfall is around 2.7 in.

Temperature in Knoxville by month

Plan your trip to Knoxville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Knoxville, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 January 21, 2025.
Read through reviews of airlines operating flights from Ontario to Knoxville, such as Delta, United Airlines and Alaska Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,706 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,706 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,521 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,985 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Frontier
6.1
Okay
3,443 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

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

  • What are the cheapest airlines flying from Ontario to Knoxville round-trip?

    Currently priced at $264, American Airlines will fly you from Ontario to Knoxville and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $344 and $439, respectively. These flights start at 31% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Ontario to Knoxville one-way?

    The cheapest airlines for a one-way flight from Ontario to Knoxville are Frontier ($109), Delta ($246), and American Airlines ($318).

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

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

  • How can I find direct flights from Ontario to Knoxville?

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

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

    Yes. Cheapflights offers flight deals from Ontario 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.

  • What is the cheapest month to book a flight from Ontario to Knoxville?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Knoxville (average of $297). Flying from Ontario to Knoxville in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Morristown
Cherokee
Corbin
Maryville
Oak Ridge
Alcoa
Murphy

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Top 4 airlines flying from Ontario to Knoxville

Discover the top 4 airlines that operate flights from Ontario 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 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$158Average$280FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$256Average$407FlexibilityNo cancel feeOn-time71%
DeltaCheapest$287Average$363FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$323Average$452FlexibilityNo cancel feeOn-time69%
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