$134 Cheap American Airlines flights Tulsa (TUL) to Ontario (ONT)

You'll find cheap round-trip American Airlines flights from $267 from TUL to ONT by filtering your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $134 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.

To find cheap American Airlines fares from Tulsa Intl. Airport (TUL) to Los Angeles - Ontario Intl. Airport (ONT), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the cost. Sunday is generally the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip on a Sunday.**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.

Search American Airlines's earliest flights from TUL to ONT by using the "Early Morning" and "Morning" filters. Not only will you arrive sooner, early departures are also 20% less likely to be canceled.**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.