Cheap Flights from Chicago O'Hare International to Philadelphia International

Compare Chicago O'Hare International to Philadelphia International flight deals

Find the cheapest month or even day of the year to fly to Philadelphia International

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Flight deals from Chicago O'Hare International to Philadelphia International

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International to Philadelphia International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago O'Hare International to Philadelphia International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Philadelphia International flights are currently cheapest in September.

Direct flights from Chicago O'Hare International to Philadelphia International

Chicago O'Hare International to Philadelphia International: Alternative routes

Compare routes from Chicago O'Hare International to Philadelphia below. You may find an airport to fly into that's cheaper, faster, or easier than Philadelphia International.

Chicago to Philadelphia: Flight information

The things to know before you go.
Cheapest flight found82 €
Cheapest month to flySeptember
Average flight time2 hrs, 8 mins
Most popular airlineAmerican Airlines
Average flights per week287

Finding cheap flights from Chicago O'Hare International to Philadelphia International: Frequently asked questions

The best price we found for a return flight from Chicago O'Hare International to Philadelphia International is 82 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 8 minutes is the average flight time from Chicago O'Hare International to Philadelphia International.
American Airlines, Alaska Airlines and Qatar Airways fly direct from Chicago O'Hare International to Philadelphia International.
As of July 2025, there are 287 flights per week flying from Chicago O'Hare International to Philadelphia International.
The cheapest month to fly from Chicago O'Hare International to Philadelphia International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Philadelphia International Airport on Thursday, 4 September 2025.
Yes – the average flight time is 2 hours and 8 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Philadelphia International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Philadelphia is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Philadelphia International.

Flying from O'Hare International Airport (ORD) to Philadelphia International Airport (PHL): what you need to know

  • Take a direct flight from O'Hare International Airport to Philadelphia International Airport and you'll be in the air for an average of 2 hours 5 minutes.

  • The timezone in Philadelphia is UTC-4, which is one hour ahead of Chicago.

  • Take your pick of 128 weekly O'Hare International Airport to Philadelphia International Airport flights. The 05:00 departure with American Airlines is the earliest available. American Airlines operates the last service of the day at 21:44.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to catch your ORD to PHL flight.

  • You'll likely experience longer lines in popular months like August. Arriving up to four hours ahead of an international flight and two hours for domestic departures is a wise move.

  • With direct flights from O'Hare International Airport to Philadelphia International Airport available from numerous airlines, getting to Philadelphia (and then other corners of United States) is a cinch. You can travel nonstop with these carriers:

  • The airline most travellers prefer to fly with on this route is American Airlines.

  • With 78.88% of its services arriving as scheduled, United Airlines is the most punctual carrier operating ORD to PHL flights.

  • We make it simple to book a flight with a stopover. To see all your options for tickets from O'Hare International Airport to Philadelphia International Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to visit the city of your choice. Top stopovers between ORD and PHL include:

    • Cleveland Hopkins International Airport

    • Pittsburgh International Airport

    • Washington Dulles International Airport

How to find the cheapest flights from O'Hare International Airport (ORD) to Philadelphia International Airport (PHL)

  • At the moment, 47 € is the cheapest price we've found for a one-way O'Hare International Airport to Philadelphia International Airport flight. The best price for a return ticket is 82 €. Bear in mind that fares could change due to demand when booking.

  • To secure cheap tickets from ORD to PHL, book your journey six months before your departure date.

  • The cheapest month for flights from O'Hare International Airport to Philadelphia International Airport is May. Use the 'Whole month' tool to see the lowest prices if you have a flexible schedule.

  • You won't have to check every day to see if fares have dropped when you create a Price Alert. We'll update you the moment there's a new deal on cheap flights from ORD to PHL.

  • Pick your preferred arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from O'Hare International Airport to Philadelphia International Airport.

Handy information about O'Hare International Airport (ORD)

  • You'll find ORD at 10000 West O'Hare.

  • When it comes to the on-time performance of O'Hare International Airport, data shows 74.85% of flights complete their journey on time.

  • Central Chicago to O'Hare International Airport is approximately 40 kilometres. Depending on traffic, it'll take you about 35 minutes to get there if you're driving, catching a cab or ride-sharing.

  • Planning to take public transport? Expect a journey time of around 55 minutes.

  • Looking for a convenient hotel close to ORD? If you're boarding an early flight from O'Hare International Airport to Philadelphia International Airport, these stays will have you sleeping moments from check-in:

Arriving at Philadelphia International Airport (PHL)

Getting from Philadelphia International Airport (PHL) to central Philadelphia

  • PHL is located at Industrial Highway and Island Road.

  • From Philadelphia International Airport, Philadelphia is approximately 19 kilometres away. It takes around 15 minutes to reach the centre driving.

  • It typically takes 45 minutes if you're travelling on public transport.

When to fly to Philadelphia International Airport (PHL)

  • It's time to work out your travel dates for your flight from O'Hare International Airport to Philadelphia International Airport. August is the most popular month to visit Philadelphia. If you're after a more low-key vibe, go in February.

  • Lock in your flight from O'Hare International Airport to Philadelphia International Airport for July if you want to explore Philadelphia during its warmest month. You can expect temperatures of between 18ºC (64ºF) and 32ºC (90ºF).

  • If you want to travel in cooler conditions, look for a cheap ticket from ORD to PHL in January. Average temperatures are between -7ºC (19ºF) and 9ºC (48ºF) then.

Explore more of United States

  • Philadelphia has loads to offer, but there are so many other corners of United States you should also see. Around 129 kilometres north-east of Philadelphia, a visit to New York will keep you busy. Start with attractions like Statue of Liberty, Central Park and Empire State Building.

  • If you're eager to discover another major stop in United States, head for Boston, about 434 kilometres north-east of Philadelphia. Freedom Trail, Museum of Fine Arts Boston and Boston Tea Party Ships & Museum are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.