85 € Cheap Flights from Chicago O'Hare International to Philadelphia

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Flight deals from Chicago O'Hare International to Philadelphia

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International Airport to Philadelphia? If you want to travel next month, return fares start from 109 €. Find the lowest prices on one-way and return tickets right here.

Philadelphia.85 € per passenger.Departing Thu, 29 Oct, returning Mon, 16 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Thu, 29 Oct, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Mon, 16 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From 85 €, select.

Philadelphia.88 € per passenger.Departing Thu, 12 Nov, returning Mon, 16 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Thu, 12 Nov, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Mon, 16 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From 88 €, select.

Philadelphia.104 € per passenger.Departing Sun, 27 Sep, returning Sun, 4 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Sun, 27 Sep, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Sun, 4 Oct, arriving in Chicago O'Hare International.Price includes taxes and charges.From 104 €, select.

Philadelphia.107 € per passenger.Departing Thu, 8 Oct, returning Sun, 11 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Thu, 8 Oct, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Sun, 11 Oct, arriving in Chicago O'Hare International.Price includes taxes and charges.From 107 €, select.

Philadelphia.109 € per passenger.Departing Thu, 10 Sep, returning Sun, 13 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Thu, 10 Sep, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Sun, 13 Sep, arriving in Chicago O'Hare International.Price includes taxes and charges.From 109 €, select.

Philadelphia.111 € per passenger.Departing Thu, 20 Aug, returning Mon, 24 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Thu, 20 Aug, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Mon, 24 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From 111 €, select.

Philadelphia.123 € per passenger.Departing Fri, 28 Aug, returning Mon, 7 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Fri, 28 Aug, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Mon, 7 Sep, arriving in Chicago O'Hare International.Price includes taxes and charges.From 123 €, select.

Philadelphia.177 € per passenger.Departing Wed, 12 Aug, returning Thu, 1 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Wed, 12 Aug, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Thu, 1 Oct, arriving in Chicago O'Hare International.Price includes taxes and charges.From 177 €, select.

Philadelphia.199 € per passenger.Departing Mon, 16 Nov, returning Thu, 3 Dec.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Mon, 16 Nov, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Thu, 3 Dec, arriving in Chicago O'Hare International.Price includes taxes and charges.From 199 €, select.

Philadelphia.225 € per passenger.Departing Thu, 3 Dec, returning Sat, 5 Dec.Return flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Thu, 3 Dec, arriving in Philadelphia International.Inbound direct flight with United departs from Philadelphia International on Sat, 5 Dec, arriving in Chicago O'Hare International.Price includes taxes and charges.From 225 €, select.

Philadelphia.226 € per passenger.Departing Thu, 28 Jan, returning Sat, 30 Jan.Return flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Thu, 28 Jan, arriving in Philadelphia International.Inbound direct flight with United departs from Philadelphia International on Sat, 30 Jan, arriving in Chicago O'Hare International.Price includes taxes and charges.From 226 €, select.

Philadelphia.278 € per passenger.Departing Wed, 10 Mar, returning Sat, 13 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Chicago O'Hare International on Wed, 10 Mar, arriving in Philadelphia International.Inbound indirect flight with Delta, departs from Philadelphia International on Sat, 13 Mar, arriving in Chicago O'Hare International.Price includes taxes and charges.From 278 €, select.

Philadelphia.285 € per passenger.Departing Thu, 8 Apr, returning Tue, 13 Apr.Return flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Thu, 8 Apr, arriving in Philadelphia International.Inbound direct flight with United departs from Philadelphia International on Tue, 13 Apr, arriving in Chicago O'Hare International.Price includes taxes and charges.From 285 €, select.

Philadelphia.294 € per passenger.Departing Wed, 30 Dec, returning Fri, 1 Jan.Return flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Wed, 30 Dec, arriving in Philadelphia International.Inbound direct flight with United departs from Philadelphia International on Fri, 1 Jan, arriving in Chicago O'Hare International.Price includes taxes and charges.From 294 €, select.

Philadelphia.306 € per passenger.Departing Wed, 12 Aug, returning Thu, 1 Oct.Return flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Wed, 12 Aug, arriving in Philadelphia International.Inbound direct flight with United departs from Philadelphia International on Thu, 1 Oct, arriving in Chicago O'Hare International.Price includes taxes and charges.From 306 €, select.

Philadelphia.308 € per passenger.Departing Wed, 17 Mar, returning Sun, 21 Mar.Return flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Wed, 17 Mar, arriving in Philadelphia International.Inbound direct flight with United departs from Philadelphia International on Sun, 21 Mar, arriving in Chicago O'Hare International.Price includes taxes and charges.From 308 €, select.

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

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 flights are currently cheapest in November.

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Direct flights from Chicago O'Hare International to Philadelphia

Alternative Chicago O'Hare International to Philadelphia routes

Looking for the cheapest, fastest or easiest route from Chicago O'Hare International to Philadelphia? You could fly into the following airports instead.

Chicago to Philadelphia: Flight information

The things to know before you go.

Cheapest flight found	85 €
Cheapest month to fly	October
Average flight time	2 hrs, 16 mins
Most popular airline	American Airlines
Average flights per week	423

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

How many airports are there in Philadelphia?

There are 5 airports in Philadelphia: Philadelphia International, Philadelphia Trenton-Mercer, Greater Wilmington, Atlantic City International, and Allentown.

How much are return flights from Chicago O'Hare International to Philadelphia?

The best price we found for a return flight from Chicago O'Hare International to Philadelphia is 85 €. 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.

How long does it take to fly from Chicago O'Hare International to Philadelphia?

2 hours and 16 minutes is the average flight time from Chicago O'Hare International to Philadelphia.

Which airlines fly direct from Chicago O'Hare International to Philadelphia?

American Airlines, United and Alaska Airlines fly direct from Chicago O'Hare International to Philadelphia.

How many flights are there a week from Chicago O'Hare International to Philadelphia?

As of August 2026, there are 423 flights per week flying from Chicago O'Hare International to Philadelphia.

When is the cheapest time to fly from Chicago O'Hare International to Philadelphia?

The cheapest month to fly from Chicago O'Hare International to Philadelphia is usually October.

Which is the cheapest airport to fly into in Philadelphia?

If you're flying from Chicago O'Hare International Airport, the cheapest airport near Philadelphia is Philadelphia International – which is 11.2 km away from the centre of Philadelphia. We've found flights into this airport from 85 €.

Which upcoming date is cheapest to fly from Chicago O'Hare International Airport to Philadelphia on?

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 on Thursday, 29 October 2026.

Can I get a direct flight from Chicago O'Hare International Airport to Philadelphia?

Yes – the average flight time is 2 hours and 16 minutes.

How can I get the best flight deal from Chicago O'Hare International Airport to Philadelphia?

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 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.

When is the best time to book flights to Philadelphia?

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.

What’s the weather like in Philadelphia?

In August, the average temperature is usually around 24°C. July is typically the warmest month in Philadelphia, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -5°C. The rainiest month is July.

Which is the cheapest airline to fly from Chicago O'Hare International Airport to Philadelphia with?

Currently, Frontier Airlines offers the cheapest flight tickets to Philadelphia.

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

Jump on a direct flight from Chicago O'Hare International Airport to Philadelphia and you'll be in the air for an average of 2 hours 30 minutes.
Chicago O'Hare International Airport is located in Chicago. Based in the UTC-5 timezone, Philadelphia is one hour ahead of Chicago.
Chicago O'Hare International Airport (ORD) to Philadelphia International Airport (PHL) is the most popular route, with 89 weekly departures to pick from. If you prefer starting your day later, the last flight from ORD to PHL is with United Airlines at 21:40. Opt for the first departure with American Airlines at 05:00 if you want to get on your way earlier.
Leave plenty of time to get on your ORD to Philadelphia flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.
Be prepared for longer queues during popular months such as July. Arriving up to four hours in advance for international flights and two hours for domestic departures will give you plenty of time for security and boarding.
Begin your trip at ORD and travel straight to Philadelphia International Airport (PHL). That's where you can expect to land when searching for Chicago O'Hare International Airport to Philadelphia tickets.
Top carriers that operate direct flights from Chicago O'Hare International Airport to Philadelphia include:
Located around 26 kilometres from central 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 O'Hare International Airport to Philadelphia? Avoid the stress of rushing to the airport (and get some extra shut-eye) by choosing one of these stays close to ORD:
70% of flights that leave from Chicago O'Hare International Airport arrive at their destination on time.
ORD is located at 10000 West O'Hare.

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

51 € is currently the best price for a one-way Chicago O'Hare International Airport to Philadelphia flight. A return plane ticket starts at 85 €. These prices can change depending on availability and demand.
Booking in advance is often the key to finding a cheap flight from ORD to Philadelphia. Fares tend to rise as seats fill up, so the closer your departure date, the more you'll likely pay.
The 'Whole month' search tool will show you the cheapest tickets from Chicago O'Hare International Airport to Philadelphia across every month. It's a great way to snap up a bargain if your travel dates aren't set in stone.
Finding a cheap flight from ORD to Philadelphia is easy with Price Alerts. All you need to do is create one of these automatic notifications and we'll let you know when there's a better deal.
Tailor your trip with filters. Pick your ideal arrival and departure times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best' flights from Chicago O'Hare International Airport to Philadelphia.

Airports in Philadelphia

Philadelphia International Airport (PHL)

Philadelphia International Airport (PHL) is around 18 kilometres from central Philadelphia. If you're opting for a ride-share or a taxi, the drive takes roughly 20 minutes.
It typically takes 30 minutes if you're travelling by public transport.
If you're coming in on a late flight from Chicago O'Hare International Airport to Philadelphia, few things beat the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and resting soon after at one of these hotels near PHL:
Booking your ride from Philadelphia International Airport about three weeks in advance of your flight from ORD to Philadelphia can help you secure the lowest rate.
PHL is located at 8500 Essington Ave.

Trenton-Mercer Airport (TTN)

Once your flight from Chicago O'Hare International Airport to Philadelphia has touched down, you can make your way to the city centre in about 40 minutes by car. Central Philadelphia is roughly 48 kilometres from Trenton-Mercer Airport (TTN).
You can expect the trip to take roughly 1 hour 35 minutes on public transport.
Place the 'Do not disturb' sign on your door and relax at a hotel near TTN. Here are a few options where you can take a load off after your ORD to Philadelphia flight:
Avoid last-minute price surges. Booking your ride four weeks before your arrival at TTN can get you a lower rate.
Trenton-Mercer Airport is located at Scotch Road, Terminal Building.

Best time to go to Philadelphia

It's time to choose your travel dates for your flight from Chicago O'Hare International Airport to Philadelphia. July is the busiest month to visit Philadelphia. If you prefer a quieter vibe, go in December.
The warmest month in Philadelphia is July, with temperatures ranging between 18ºC (64ºF) and 32ºC (90ºF). Lock in your Chicago O'Hare International Airport to Philadelphia plane ticket then if that's your idea of comfortable weather.
If you like cooler conditions, look for a cheap ticket from ORD to Philadelphia in January when temperatures average between -7ºC (19ºF) and 9ºC (48ºF).

More about Philadelphia

Start your Philadelphia trip right by choosing the ideal place to stay. After booking your flight from Chicago O'Hare International Airport to Philadelphia, explore our selection of accommodation options including:
Liberty Bell and Independence Hall are a couple of top attractions to put on your Philadelphia to-do list. Continue your sightseeing adventures at Philadelphia Museum of Art.

Explore more of the United States

Philadelphia is easy to fall in love with, but there are so many other corners of the United States you should also see. Around 129 kilometres northeast of Philadelphia, a visit to New York will keep your itinerary busy. Start with popular sights like Central Park, Statue of Liberty and Metropolitan Museum of Art.
Around 434 kilometres northeast of Philadelphia, Boston is another favourite stop in the United States. Experience this destination's highlights firsthand at Museum of Fine Arts Boston, Freedom Trail and USS Constitution Museum.