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The cheapest times to fly from TYS to ONT are

  • January 1st to February 25th
  • April 16th to April 29th
  • July 9th to July 22nd
  • August 6th to November 11th (except the week of October 8th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from TYS to ONT is late January and early February. Prices can be as high as $987 for Sunday flights during early to mid March, or as low as $318 for Tuesday flights around late January and early February.

 

When to Fly to Ontario

Flying from Knoxville, TN (TYS) to Ontario, CA (ONT) will usually cost between $338 to $644 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January and early February with an average ticket price of $353. Due to high demand the most expensive time to fly is early to mid March, with an average price of $630. Planning your trip to low-cost times can easily save you $277 on economy flights and even more on first-class flights. Generally, any price below $411 can be considered a good price for a round-trip TYS to ONT flight.

See below for a graph of average weekly prices for the TYS to ONT route. All prices are for round-trip tickets in USD.

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TYS to ONT Flight Prices

Compared to other flights, the TYS to ONT flight is much cheaper than the average and costs less than the average flight leaving from Knoxville. The average price per mile (for a direct flight) is $0.13, which is far below average.

 

Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $194 (35%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $359. Return trip prices are from the ONT to TYS flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

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Departure Day Prices

Return Trip Prices by Day

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Return Day Prices

 

Nonstop Flights and Layovers

Travelers looking to fly from TYS to ONT can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 4 hour 24 minutes may not be realistic.

 

Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from TYS to ONT while comparing.

Destination alternative #1: San Diego International Airport (SAN) in San Diego, CA

  • 94 miles (151 km) away from ONT
  • Usually 7.92% less expensive than ONT
  • 1-layover flights available

See TYS to SAN flights

Destination alternative #2: Los Angeles International Airport (LAX) in Los Angeles, CA

  • 47 miles (76 km) away from ONT
  • Usually 6.21% less expensive than ONT
  • 1-layover flights available

See TYS to LAX flights

Destination alternative #3: John Wayne-Orange County Airport (SNA) in Santa Ana, CA

  • 30 miles (48 km) away from ONT
  • Usually 6.09% less expensive than ONT
  • 1-layover flights available

See TYS to SNA flights

Destination alternative #4: Bob Hope Airport (BUR) in Burbank, CA

  • 44 miles (71 km) away from ONT
  • Usually 2.68% less expensive than ONT
  • 1-layover flights available

See TYS to BUR flights

 

Flight Questions Answered

Still have questions about flying from TYS to ONT? We’ve got answers.

Which airlines fly this route?

You can find 5 major airlines flying this route most often: Alaska, American, Delta, Frontier, United, and potentially more during busy seasons.

How far away is it from Ontario International Airport to McGhee Tyson Airport?

The distance between the two airports is roughly 1898 miles or 3055 kilometers.

How long does it take to fly from TYS to ONT?

The real-world flight time for a nonstop TYS to ONT flight is about 4 hour 24 minutes.

How many flights go between Knoxville, TN and Ontario, CA?

It depends on the day of the week and the date, but a typical day might have around 79 available flights from TYS to ONT.

 

Airport Location Info

 

Departing Airport

Origination codeTYS
Origination airport nameMcGhee Tyson Airport
CityKnoxville, TN
Countrythe United States
Latitude35.8
Longitude-84

Return Airport

Destination codeONT
Destination airport nameOntario International Airport
CityOntario, CA
Countrythe United States
Latitude34.1
Longitude-117.6

 

Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.