The cheapest times to fly from DFW to ONT are

  • August 6th to February 25th (except the weeks of November 19th, November 26th, and December 24th)

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 DFW to ONT is late October to early November. Prices can be as high as $894 for Friday flights during early March, or as low as $289 for Wednesday flights around late October to early November.


When to Fly to Ontario

Flying from Dallas/Fort Worth, TX (DFW) to Ontario, CA (ONT) will usually cost between $293 to $466 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October to early November with an average ticket price of $297. Due to high demand the most expensive time to fly is early March, with an average price of $527. Planning your trip to low-cost times can easily save you $230 on economy flights and even more on first-class flights. Generally, any price below $319 can be considered a good price for a round-trip DFW to ONT flight.

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

DFW to ONT Flight Prices

Compared to other flights, the DFW to ONT flight is much cheaper than the average and costs much less than the average flight leaving from Dallas. The average price per mile (for a direct flight) is $0.17, which is below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to ONT, and Tuesday the cheapest day to fly back into DFW. Fridays 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 $47 (13%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $322. Return trip prices are from the ONT to DFW flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from DFW to ONT can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 3 hour 7 minutes may 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 a nonstop flight from DFW to ONT while comparing.

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

  • 47 miles (76 km) away from ONT
  • Usually 34.54% less expensive than ONT
  • Nonstop flights available

See DFW to LAX flights

Destination alternative #2: San Diego International Airport (SAN) in San Diego, CA

  • 94 miles (151 km) away from ONT
  • Usually 26.06% less expensive than ONT
  • Nonstop flights available

See DFW to SAN flights

Destination alternative #3: Meadows Field Airport (BFL) in Bakersfield, CA

  • 126 miles (203 km) away from ONT
  • Usually 17.43% less expensive than ONT
  • Nonstop flights available

See DFW to BFL flights

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

  • 44 miles (71 km) away from ONT
  • Usually 6.59% less expensive than ONT
  • Nonstop flights available

See DFW to BUR flights


Flight Questions Answered

Still have questions about flying from DFW 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 Dallas/Fort Worth International Airport?

The distance between the two airports is roughly 1186 miles or 1909 kilometers.

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

The real-world flight time for a nonstop DFW to ONT flight is about 3 hour 7 minutes.

How many flights go between Dallas/Fort Worth, TX and Ontario, CA?

It depends on the day of the week and the date, but a typical day might have around 66 available flights from DFW to ONT.


Airport Location Info


Departing Airport

Origination code DFW
Origination airport name Dallas/Fort Worth International Airport
City Dallas/Fort Worth, TX
Country the United States
Latitude 32.9
Longitude -97

Return Airport

Destination code ONT
Destination airport name Ontario International Airport
City Ontario, CA
Country the United States
Latitude 34.1
Longitude -117.6


Late and Early Flight Data

Flights from DFW to ONT tend to depart later than the average flight. According to our recently updated data, 33% of flights departed 5 or more minutes late, and 4% of flights left 5 or more minutes early. On average you can expect to leave ONT heading for DFW about 12 minutes late. This does significantly impact arrival time, as the average landing time in Ontario, CA is about 7 minutes late. The numbers below show a recent average of take-off times versus the scheduled departure flight:

  • American: 12 minutes late
  • Some airlines not reporting


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.