Cheap Flights from Philadelphia to Chicago O'Hare International

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Compare Philadelphia to Chicago O'Hare International flight deals

Find the cheapest month or even day of the year to fly to Chicago O'Hare International

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Flight deals from Philadelphia to Chicago O'Hare International

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

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

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

Direct flights from Philadelphia to Chicago O'Hare International

Philadelphia to Chicago O'Hare International: Alternative routes

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

Philadelphia to Chicago: Flight information

The things to know before you go.
Cheapest flight foundRs8,132
Cheapest month to flyMay
Average flight time2 hrs, 28 mins
Most popular airlineAmerican Airlines
Average flights per week352

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

The best price we found for a return flight from Philadelphia to Chicago O'Hare International is Rs16,268. 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 28 minutes is the average flight time from Philadelphia to Chicago O'Hare International.
American Airlines, Alaska Airlines and Qatar Airways fly direct from Philadelphia to Chicago O'Hare International.
As of March 2025, there are 352 flights per week flying from Philadelphia to Chicago O'Hare International.
The cheapest month to fly from Philadelphia to Chicago O'Hare International is usually March 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia to Chicago O'Hare International Airport on Wednesday, 9 July 2025.
Yes – the average flight time is 2 hours and 28 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 Chicago O'Hare 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 Chicago is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Chicago O'Hare International is Frontier Airlines .

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

  • Start planning your trip by checking out the most convenient departure point for your flight from Philadelphia to O'Hare International Airport (ORD). Explore the options for taking off from Philadelphia International Airport (PHL) or Trenton-Mercer Airport (TTN), two of the city's main airports.

  • Approximately 2 hours 24 minutes is how long you'll be travelling on a direct flight from Philadelphia to O'Hare International Airport.

  • Chicago is 1 hour behind Philadelphia. O'Hare International Airport is located in Chicago, which operates on the UTC-5 timezone.

  • With 129 direct flights a week between the two airports, Philadelphia International Airport (PHL) to O'Hare International Airport (ORD) is the busiest route. American Airlines operates the earliest flight at 05:00. If you prefer to make the most of your day before leaving, the last flight from PHL to ORD is with Frontier Airlines at 22:42.

  • Get to the airport on time so you don't miss your flight from Philadelphia to ORD. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • Hopping on a plane during a peak time like August? High seasons (like summer, Christmas and New Year) can add another hour at check-in and security. Play things extra safe and arrive up to four hours before an international flight and two hours before domestic departures.

Airports in Philadelphia

Philadelphia International Airport (PHL)

  • Fly without interruptions from Philadelphia International Airport (PHL). Nonstop flights from Philadelphia to O'Hare International Airport (ORD) are available from here.

  • At PHL, there's a range of airlines offering direct flights from Philadelphia to O'Hare International Airport, such as:

  • PHL is approximately 19 kilometres from the centre of Philadelphia. To help work out how to get there, use Google Maps. This handy traveller tool will give you the fastest route and available public transport options.

  • Want a hassle-free start to your break? Stay near Philadelphia International Airport. Whether you've booked an early flight from Philadelphia to O'Hare International Airport or just don't like being rushed, these hotels are just the thing:

About O'Hare International Airport (ORD)

Getting from O'Hare International Airport (ORD) to central Chicago

  • O'Hare International Airport is approximately 40 kilometres from the centre of Chicago. With your own car rental or in a cab, the drive is about 35 minutes.

  • Getting to the centre on public transport takes roughly 54 minutes.

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

  • Rs8,132 is the cheapest price we've found for a one-way ticket from Philadelphia to O'Hare International Airport. Return flights start from Rs16,268. Prices may vary depending on availability at the time of booking.

  • Score cheap tickets from Philadelphia to ORD by booking 8 months ahead. Based on flight price data, that's the sweet spot for finding a bargain.

  • To snag the lowest price on your tickets from Philadelphia to O'Hare International Airport, plan your trip for May (it's when flights are cheapest). Have flexibility with your dates? Use the 'Whole month' search tool to zero in on the most affordable day to fly.

  • Create a Price Alert and keep track of changes on this route through push notifications or email. We'll let you know when fares go down. Timing matters when searching for flight tickets from Philadelphia to ORD.

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

The best time to fly from Philadelphia to O'Hare International Airport (ORD)

  • August is the busiest month for flights from Philadelphia to O'Hare International Airport. To escape the crowds, visit Chicago in February when it's quieter.

  • Book your flight from Philadelphia to ORD for July if you're eager to head to the city during its warmest month. You can expect temperatures in Chicago to range from 15ºC to 29ºC.

  • Visit in January if you want cooler conditions. Temperatures average between -12ºC and 3ºC. However, this destination promises a good time whenever you book your cheap flights from Philadelphia to O'Hare International Airport.

More about Chicago

  • When it comes to looking for somewhere to rest your head, you'll find the most popular stays in Chicago right here. Check out these hotels as soon as you've booked your flight from Philadelphia to O'Hare International Airport:

  • There are so many things to see and do in this city it can be difficult to know where to begin. Millennium Park, Art Institute of Chicago and LandShark Beer Garden at Navy Pier are leading attractions which should feature on any well-planned Chicago itinerary.

Complete your Chicago trip with a car rental

  • Finding you a cheap flight from Philadelphia to O'Hare International Airport isn't the only trick up our sleeve. Browse our car rentals in Chicago and have more freedom to explore. We find deals from trusted car rental companies and put them all in one place. You can instantly compare offers and then book with no fees.

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