$90 Cheap American Airlines flights Ontario (ONT) to Dallas (DFW)

Grab cheap round-trip American Airlines flights from $179 from ONT to DFW by sorting your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $90 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Begin your search one to three months ahead of your travel date to score cheap fares on American Airlines flights from Los Angeles - Ontario Intl. Airport (ONT) to Dallas-Fort Worth Intl. Airport (DFW). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get the timing right, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

The earliest flight from ONT to DFW with American Airlines departs at 6:00AM UTC-8. You'll land at 11:02AM UTC-6. The last American Airlines flight of the day takes off at 11:59PM UTC-8 and arrives at 5:00AM UTC-6. With 20% fewer cancellations for morning departures, jetting out early is typically the smartest choice.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.