We've gone through lots of different flights, to help you find the cheapest way to get from Chicago O'hare International Airport to Philadelphia. You can choose from one airlines. At the moment, 28 / Apr / 2025 is the cheapest date to travel, but scroll through the results to find the option that works best for you.
The most popular airlines offering flights to Philadelphia are Alaska Airlines. Alaska Airlines is the most popular one, but that doesn’t mean their flights will be the cheapest. If you can't find a flight time that suits you, why not look at flying out from a different airport?
Your flight from Chicago O'hare International Airport to Philadelphia will take at least 7 hrs 50 mins. On average, it takes 7 hrs 50 mins to fly the 1089 km distance. Take a look at flight times to see which one works best for you.
Searching by month, for instance, will show you the best time of the week to fly.
