Cheap Flights from Chicago to Philadelphia International

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Flight deals from Chicago to Philadelphia International

Looking for a cheap last-minute deal or the best return flight from Chicago to Philadelphia International Airport? If you want to travel next month, return fares start from R 2,568. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago to Philadelphia International

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

Direct flights from Chicago to Philadelphia International

Chicago to Philadelphia: Flight information

The things to know before you go.
Cheapest flight foundR 888
Cheapest month to flyJuly
Average flight time2 hrs, 5 mins
Most popular airlineAmerican Airlines
Average flights per week512

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

The best price we found for a return flight from Chicago to Philadelphia International is R 2,032. 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 5 minutes is the average flight time from Chicago to Philadelphia International.
American Airlines, Southwest Airlines and United fly direct from Chicago to Philadelphia International.
As of May 2026, there are 512 flights per week flying from Chicago to Philadelphia International.
The cheapest month to fly from Chicago to Philadelphia International is usually July.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Philadelphia International Airport on Saturday, 18 July 2026.
Yes – the average flight time is 2 hours and 5 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.
The cheapest airline that flies to Philadelphia International is Frontier Airlines .

Flying from Chicago to Philadelphia International Airport (PHL): What you need to know

  • Your adventure gets underway at one of Chicago's main airports, Chicago O'Hare International Airport (ORD) or Chicago Midway International Airport (MDW). Explore the options for booking a flight from Chicago to Philadelphia International Airport (PHL) taking off from either of these.

  • 2 hours 5 minutes is the average duration of a direct Chicago to Philadelphia International Airport flight.

  • The timezone in Philadelphia is UTC-5, which is one hour ahead of Chicago. Philadelphia International Airport is located in Philadelphia.

  • Chicago O'Hare International Airport (ORD) to Philadelphia International Airport (PHL) is the most popular route. There are 89 direct flights a week to choose from. If you prefer starting your day later, hop on the last flight with United Airlines at 9:40pm. Opt for the first ORD to PHL departure operated by American Airlines at 5am if you'd rather get going earlier.

  • Arrive at the airport on time so you don't miss your flight from Chicago to PHL. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the mad dash to your gate.

  • Popular months like July 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 airport even earlier. Arriving two hours before domestic flights and up four hours ahead of international flights is a wise move.

Airports in Chicago

Chicago O'Hare International Airport (ORD)

  • Chicago O'Hare International Airport (ORD) is a convenient option for travelling directly to your destination. Nonstop flights from Chicago to Philadelphia International Airport (PHL) operate out of this terminal.

  • At ORD, there's a good selection of airlines that offer direct flights from Chicago to Philadelphia International Airport, including:

  • American Airlines is the most frequently chosen airline for flights from ORD to PHL.

  • Among carriers on this route, United is the most consistent for on-time landings.

  • Located around 27 kilometres from the centre of Chicago, ORD can be reached in about 30 minutes by car, depending on traffic. The journey on public transport takes roughly 45 minutes.

  • Booked an early flight from Chicago to Philadelphia International Airport? Avoid the last-minute rush to the terminal (and sneak in some extra precious sleep) by choosing one of these stays near Chicago O'Hare International Airport:

  • 70% of flights leaving from Chicago O'Hare International Airport make it to their destination on schedule.

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

Chicago Midway International Airport (MDW)

  • You can book a direct Chicago to Philadelphia International Airport (PHL) plane ticket with departures from Chicago Midway International Airport (MDW). Work out whether leaving from MDW works best for your plans.

  • Get on your direct flight from Chicago to PHL with Southwest Airlines. This is one of the main airlines flying this route out of MDW.

  • On the MDW to PHL route, Southwest Airlines is the preferred choice for many passengers.

  • With 76.18% of its services arriving as planned, Southwest Airlines is the most punctual carrier flying between Chicago Midway International Airport and Philadelphia International Airport.

  • Using public transport, you can travel from central Chicago to MDW in around 30 minutes. The terminal is roughly 16 kilometres away, and making the journey by car takes approximately 25 minutes.

  • Get your holiday started early with an extra night away from home. Before catching your Chicago to PHL flight, unwind in one of these hotels near Chicago Midway International Airport:

  • 76% of flights taking off from Chicago Midway International Airport meet their expected arrival time.

  • The street address for MDW is 5700 South Cicero.

Chicago Rockford International Airport (RFD)

  • From central Chicago, RFD is around 145 kilometres away. It takes roughly 1 hour 40 minutes to arrive by car and 2 hours or so if you use public transport.

  • Make catching an early Chicago to Philadelphia International Airport flight one of the easiest parts of your trip. Stay at one of these hotels near Chicago Rockford International Airport and head to your check-in counter with plenty of time to spare:

  • The on-time performance rating of RFD is 71%. To put it simply, that's how often flights that depart this airport arrive within the expected time frame.

  • Chicago Rockford International Airport is located at 2 Airport Cir.

About Philadelphia International Airport (PHL)

Getting from Philadelphia International Airport (PHL) to central Philadelphia

  • Philadelphia International Airport is around 18 kilometres from central Philadelphia. It takes around 20 minutes or so to drive to the city.

  • It typically takes 30 minutes to get there using public transport.

How to find the cheapest flights from Chicago to Philadelphia International Airport (PHL)

  • Currently, R 888 is the best price we've found for a one-way ticket from Chicago to Philadelphia International Airport. The cheapest price for a return flight is R 2,032. Keep in mind fares can change due to availability at the time of booking.

  • To find cheap flights from Chicago to PHL, book ahead. Airlines tend to offer lower fares when flights are first released.

  • The 'Whole month' search tool will show you the cheapest Chicago to Philadelphia International Airport tickets throughout the month. It's an easy way to find a bargain if your plans aren't set in stone.

  • Locking in a cheap plane ticket from Chicago to PHL is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you when a better deal is available.

  • Filters make it easier to land a deal on your flight from Chicago to Philadelphia International Airport. Pick the flight times, carriers and stops that make sense for you. Then sort the results by 'Cheapest' to bring up the lowest fares right away.

The best time to fly from Chicago to Philadelphia International Airport (PHL)

  • December is the quietest month for flights from Chicago to Philadelphia International Airport (PHL), while July is the busiest. Pick the best time to visit Philadelphia based on whether you like a lively atmosphere or a more laid-back vibe.

  • The warmest month in Philadelphia is July, with temperatures ranging between 18ºC (64ºF) and 32ºC (90ºF). Book your Chicago to PHL plane ticket then if that's your idea of comfortable weather.

  • If you like travelling in cooler conditions, look for a cheap ticket from Chicago to Philadelphia International Airport in January when temperatures are between -7ºC (19ºF) and 9ºC (48ºF).

More about Philadelphia

Explore more of the United States

  • You've visited Philadelphia, now it's time to explore more of the United States. Travel around 137 kilometres northeast to New York to tick off its leading attractions. From Central Park to Statue of Liberty and Metropolitan Museum of Art, your itinerary will be busy.

  • If you want to check out another major stop in the United States, head for Baltimore, roughly 137 kilometres southwest of Philadelphia. National Aquarium, Baltimore Aquarium and Washington Monument and Mount Vernon Place are key highlights.

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