sdf-to-ont

 

The cheapest times to fly from SDF to ONT are

  • January 1st to February 25th
  • April 23rd to May 6th
  • August 6th to November 18th
  • early December

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 SDF to ONT is early September. Prices can be as high as $1020 for Sunday flights during late March, or as low as $315 for Tuesday flights around early September.

 

When to Fly to Ontario

Flying from Louisville, KY (SDF) to Ontario, CA (ONT) will usually cost between $323 to $669 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early September with an average ticket price of $328. Due to high demand the most expensive time to fly is late March, with an average price of $692. Planning your trip to low-cost times can easily save you $364 on economy flights and even more on first-class flights. Generally, any price below $405 can be considered a good price for a round-trip SDF to ONT flight.

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

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SDF to ONT Flight Prices

Compared to other flights, the SDF to ONT flight is much cheaper than the average and costs much less than the average flight leaving from Louisville. The average price per mile (for a direct flight) is $0.14, 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 $179 (33%) 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 SDF 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 SDF 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 12 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 SDF to ONT while comparing.

Destination alternative #1: Los Angeles International Airport (LAX) in Los Angeles, CA

  • 47 miles (76 km) away from ONT
  • Usually 33.50% less expensive than ONT
  • Nonstop flights available

See SDF to LAX flights

Destination alternative #2: John Wayne-Orange County Airport (SNA) in Santa Ana, CA

  • 30 miles (48 km) away from ONT
  • Usually 5.69% less expensive than ONT
  • 1-layover flights available

See SDF to SNA flights

Destination alternative #3: Bob Hope Airport (BUR) in Burbank, CA

  • 44 miles (71 km) away from ONT
  • Usually 3.83% less expensive than ONT
  • 1-layover flights available

See SDF to BUR flights

 

Flight Questions Answered

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

Which airlines fly this route?

You can find 6 major airlines flying this route most often: Alaska, American, Delta, Frontier, Southwest, United, and potentially more during busy seasons.

How far away is it from Ontario International Airport to Louisville International-Standiford Field Airport?

The distance between the two airports is roughly 1792 miles or 2884 kilometers.

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

The real-world flight time for a nonstop SDF to ONT flight is about 4 hour 12 minutes.

How many flights go between Louisville, KY and Ontario, CA?

It depends on the day of the week and the date, but a typical day might have around 70 available flights from SDF to ONT.

 

Airport Location Info

 

Departing Airport

Origination code SDF
Origination airport name Louisville International-Standiford Field Airport
City Louisville, KY
Country the United States
Latitude 38.2
Longitude -85.7

Return Airport

Destination code ONT
Destination airport name Ontario International Airport
City Ontario, CA
Country the United States
Latitude 34.1
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.