£94 Cheap Flights from Philadelphia (PHL) to Chicago (ORD)

You can find one-way and return flights from MAN to GDZ with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when PHL to ORD ticket fares go up or down.

September is typically the cheapest month to fly from Philadelphia International Airport (PHL) to O'Hare International Airport (ORD), with average return fares around £182. September often sees lower prices as the summer holiday rush ends and before the winter travel season begins, leading to reduced demand. Other cheap months to fly from Philadelphia International Airport (PHL) to O'Hare International Airport (ORD) include August and October.

Three airlines offer direct flights from Philadelphia, PA (PHL-Philadelphia Intl.) to Chicago, IL (ORD-O'Hare Intl.). Here are the carriers:
* American Airlines operates 72 direct flights from Philadelphia, PA (PHL-Philadelphia Intl.) to Chicago, IL (ORD-O'Hare Intl.) every week.
* United operates 59 direct flights from Philadelphia, PA (PHL-Philadelphia Intl.) to Chicago, IL (ORD-O'Hare Intl.) every week.
* Frontier Airlines operates 7 direct flights from Philadelphia, PA (PHL-Philadelphia Intl.) to Chicago, IL (ORD-O'Hare Intl.) every week.

To find a cheap flight from Philadelphia, PA (PHL) to Chicago, IL (ORD), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

The earliest flight from Philadelphia International Airport (PHL) to O'Hare International Airport (ORD) typically departs around 12:55 AM local time, operated by Frontier Airlines. This is a seasonal service active in May, June, July, and August. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

A non-stop flight from Philadelphia, PA (PHL-Philadelphia Intl.) to Chicago, IL (ORD-O'Hare Intl.) typically takes around 2 hours 30 minutes. This route covers a distance of approximately 1,088 kilometers. If you opt for a one-stop flight, your travel time will be longer, usually around 5 hours. Flights with two or more stops will take even longer, typically around 9 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some flexibility in your travel plans.

Select the "Business class" and "First class" filters when looking for Philadelphia, PA (PHL) to Chicago, IL (ORD) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.

It's easy to earn miles on a Philadelphia, PA (PHL-Philadelphia Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to Chicago from Philadelphia Intl. (PHL), you can fly directly into O'Hare Intl. (ORD). Some flights may connect through major hubs like Logan Intl. (BOS), Philadelphia Intl. (PHL), or Washington Dulles Intl. (IAD) before reaching Chicago. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Philadelphia, PA (PHL-Philadelphia Intl.) to Chicago, IL (ORD-O'Hare Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Philadelphia, PA (PHL-Philadelphia Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Philadelphia, PA (PHL) to Chicago, IL (ORD) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.