$70 Cheap American Airlines flights Chicago (ORD) to Philadelphia (PHL)

Finding cheap one-way American Airlines flights from ORD to PHL from $70 on Expedia couldn’t be easier — just filter by “Price (lowest to highest).” Alternatively, check out our affordable round-trip fares from $134 for your next exciting adventure.**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.

American Airlines flights to Philadelphia are often cheaper in the off-peak months of January and February. Whether you’re after a round-trip or one-way ticket, you could land a better deal then.

Start searching one to three months ahead of your travel date to find cheap fares on American Airlines flights from O’Hare Intl. Airport (ORD) to Philadelphia Intl. Airport (PHL). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut 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 journeys.*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.

Depart on one of American Airlines’s 42 direct weekly flights from O’Hare Intl. Airport (ORD) to Philadelphia Intl. Airport (PHL). To see your options, enter your dates, origin and destination and hit search. Then use the “Nonstop” and “Airline” filters.

From takeoff till landing, a direct American Airlines flight from O’Hare Intl. Airport (ORD) to Philadelphia Intl. Airport (PHL) takes approximately 2h 2m.

If flexibility is what you’re after, Friday offers the most choice for American Airlines flights from O’Hare Intl. Airport (ORD) to Philadelphia Intl. Airport (PHL). Take your pick of 6 different departures.

The first American Airlines flight from ORD to PHL takes off at 6:30AM UTC-6, touching down at 9:33AM UTC-5. If you’d like to set off later in the day, the last American Airlines flight leaves ORD at 8:25PM UTC-6 and lands at PHL at 11:32PM UTC-5. Flying early is often a good option as morning and mid-morning flights are less likely to experience cancellations.**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.

American Airlines flights from O’Hare Intl. Airport (ORD) to Philadelphia land at Philadelphia Intl. Airport (PHL) and Lehigh Valley Intl. Airport (ABE). The main Philadelphia hub serviced by this carrier is PHL. It’s always worth considering flights arriving at nearby airports on Expedia as you may find cheaper tickets.

For the O’Hare Intl. Airport (ORD) to Philadelphia Intl. Airport (PHL) route, American Airlines typically operates Boeing 737-800 and Airbus A321 planes. Remember that last-minute changes are possible for operational needs, so your flight may be on another aircraft.

Changes are typically free within 24 hours of booking, but your airline may add a charge after that. For more details about altering your flights, head to your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to make changes without additional charges, apply the “Changes included” or “No cancel fee” filter when planning your next adventure.