Cheap flight tickets from Chicago O'Hare International to Philadelphia International

Travellers and cabin class

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

Book the best Philadelphia International fare with no extra fees

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 May.

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 foundRM520
Cheapest month to flyMay
Average flight time2 hrs, 4 mins
Most popular airlineAmerican Airlines
Average flights per week380

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 RM524. 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 4 minutes is the average flight time from Chicago O'Hare International to Philadelphia International.
American Airlines, Qatar Airways and Alaska Airlines fly direct from Chicago O'Hare International to Philadelphia International.
As of February 2025, there are 380 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 February 2025.
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 Friday, 16 May 2025.
Yes – the average flight time is 2 hours and 4 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

  • A direct flight from O'Hare International Airport to Philadelphia International Airport takes on average 2 hours 4 minutes. The timezone in Philadelphia is UTC-4, so it's 1 hour ahead of Chicago.

  • Flights from O'Hare International Airport to Philadelphia International Airport start from 05:00 — the earliest with American Airlines. The latest flight in the day is the 22:42 service with Frontier Airlines. In total, you can take your pick of 128 weekly services from ORD to PHL.

  • Peak months like August or holiday times such as Thanksgiving and Christmas/New Year will mean bigger lines at check-in and security. Be on the safe side and get to the terminal even earlier. Arriving two hours before domestic flights and up four hours ahead of international flights is a wise idea.

  • You'll find a variety of airlines providing direct flights from O'Hare International Airport to Philadelphia International Airport. When you're ready to kick off your Philadelphia holiday and discover this part of United States, these top carriers fly the ORD to PHL route:

  • We make it a breeze to book a flight with a stopover. To look at the options for flights from O'Hare International Airport to Philadelphia International Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to tour the city of your choice. Some popular stopovers between ORD and PHL include:

    • Washington Dulles International Airport

    • Pittsburgh International Airport

    • Cleveland Hopkins International Airport

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

  • The best price we've found for a one-way ticket from O'Hare International Airport to Philadelphia International Airport is RM262. The cheapest price for a return flight is RM524. Bear in mind that fares can change due to demand at the time of booking.

  • Book 9 months before travelling. After crunching the numbers on our calendar, this is how far you should book ahead to secure cheap tickets from ORD to PHL.

  • Organise your trip for May. That's the cheapest month for tickets from O'Hare International Airport to Philadelphia International Airport. If your travel dates are flexible, use the 'Whole month' tool to find the lowest airfare across each month.

  • Log into your online account or use the app to create a Price Alert. We'll notify you straight away if there's a better deal on this route. It doesn't take long, and it'll save you from looking for cheap tickets from ORD to PHL every day.

  • Use filters to tailor your flights from O'Hare International Airport to Philadelphia International Airport. Simply select your preferred arrival and departure times, number of stops and airlines. Alternatively, sort your results by 'Cheapest' to get the best deals.

Handy information about O'Hare International Airport (ORD)

  • O'Hare International Airport is about 40 kilometres from central Chicago. If you're ride-sharing, driving or catching a cab from the centre, it'll take you 35 minutes or so to get there, depending on the traffic. If you're using public transport, expect the travel time to be approximately 54 minutes.

  • Want a stress-free start to your break? Stay near ORD. Whether you're taking an early flight from O'Hare International Airport to Philadelphia International Airport or just don't like being rushed, these hotels have you covered:

Arriving at Philadelphia International Airport (PHL)

Getting from Philadelphia International Airport (PHL) to central Philadelphia

  • Philadelphia International Airport to the centre of Philadelphia takes about 17 minutes in a car. It's approximately 19 kilometres away. See what options are available, such as cabs, car rentals or ride-sharing.

  • Getting to the centre on public transport takes around 44 minutes.

When to fly to Philadelphia International Airport (PHL)

  • The quietest month for a flight from O'Hare International Airport to Philadelphia International Airport is February, while August is the busiest. Pick the best time to visit Philadelphia based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Lock in your flight from O'Hare International Airport to Philadelphia International Airport for July if you'd like to go to Philadelphia during its warmest month. You can expect temperatures of between 18ºC and 32ºC.

  • Look for cheap tickets from ORD to PHL in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -7ºC and 9ºC on average.

More about Philadelphia

  • If you're looking for somewhere to rest your head, you'll find the most popular stays in Philadelphia right here. Browse these hotels after you've booked your flight from ORD to PHL:

  • Liberty Bell and Independence Hall are just two of the major attractions to add to your Philadelphia itinerary. Keep the sightseeing going at Philadelphia Museum of Art.

Complete your Philadelphia trip with hotels and a car rental

  • Once you've secured your cheap ticket to Philadelphia International Airport, browse the lowest prices and exclusive rates for hotels. You can also compare a range of car rental companies in one place to get the best car rental price for your Philadelphia trip.

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