Cheap flights from Chicago O'Hare Intl Airport to Philadelphia from $70
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Philadelphia departing on 10/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Spirit Airlines flights from Chicago O'Hare Intl Airport to Philadelphia
Our best Spirit Airlines deals on Chicago O'Hare Intl Airport to Philadelphia flight tickets
American Airlines flights from Chicago O'Hare Intl Airport to Philadelphia
Our best American Airlines deals on Chicago O'Hare Intl Airport to Philadelphia flight tickets
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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Philadelphia
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Philadelphia?
The cheapest month to fly to Philadelphia from Chicago O'Hare Intl Airport is in September. Flight prices, which tend to average around $147, are often lower during this time because this is during the off-season. The month of October is another great option to travel to Philadelphia, with average flight prices from Chicago O'Hare Intl Airport averaging around $162.
What is the cheapest day to depart on your flight to Philadelphia?
The cheapest day to depart from Chicago O'Hare Intl Airport to Philadelphia is on a Thursday. Travelers who choose to depart for Philadelphia on a Thursday will often find tickets for as low as $232. On the other hand, Sunday is the most expensive day to depart from Chicago O'Hare Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $377.
What is the cheapest time of day to depart on your flight to Philadelphia?
According to our data, the cheapest time of day to fly to Philadelphia is in the evening. momondo users have found flights departing from Chicago O'Hare Intl Airport to Philadelphia in the evening for as low as $222. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is in the afternoon when prices are around $394.
What is the cheapest Chicago O'Hare Intl to Philadelphia flight route?
Fly from Chicago O'Hare Intl to Philadelphia for the best Chicago O'Hare Intl - Philadelphia flight prices
How far in advance should I book a flight to Philadelphia?
You are more likely to see cheaper flights to Philadelphia from Chicago O'Hare Intl Airport when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $253 when searching 15 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Chicago O'Hare Intl Airport for as low as $169 on momondo.
What cabin class options are available on Chicago O'Hare Intl to Philadelphia flights?
There are 4 cabin classes available to choose from on Chicago O'Hare Intl to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Chicago O'Hare Intl to Philadelphia?
United Airlines, American Airlines, and Frontier are the most popular carriers operating from Chicago O'Hare Intl to Philadelphia
What airlines fly to Philadelphia?
American Airlines, United Airlines and Spirit Airlines are the top three most popular airlines that fly to Philadelphia from Chicago O'Hare Intl Airport according to our data. American Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 5 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.
How many flights depart from Chicago O'Hare Intl Airport to Philadelphia on average per day?
As of June 2025, there are 32 flights per day flying from Chicago O'Hare Intl Airport to Philadelphia. The most common time of day flights depart is 7:00PM, with 42% of flights taking off in the evening.
How many flights depart from Chicago O'Hare Intl Airport to Philadelphia on average per week?
228 flights are operational weekly from Chicago O'Hare Intl Airport to Philadelphia as of June 2025. The most popular departure day for this route is Thu, with 21% of flights per week taking off on this day.
When to book flights from Chicago O'Hare Intl Airport to Philadelphia
Cheap Chicago O'Hare Intl Airport to Philadelphia (ORD to PHL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Philadelphia
Best Price Found | $70 |
|---|---|
Fastest flight time | 1h 56m |
Direct flights | Every day |
Airports in Philadelphia | 1 airport |
How far is Chicago O'Hare Intl to Philadelphia by plane?
Philadelphia is 678.6 mi away from Chicago O'Hare Intl. Typically, this will take 1h 57m by plane in normal conditions.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Philadelphia Airport?
Prices for flights from Chicago O'Hare Intl Airport to Philadelphia Airport are updated daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Philadelphia Airport?
As of June 2025, there are 5 operators available to choose from for flights from Chicago O'Hare Intl Airport to Philadelphia Airport.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Philadelphia Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The travel and health documents you'll need for your trip to Philadelphia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Philadelphia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Chicago O'Hare Intl Airport to Philadelphia?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago O'Hare Intl Airport to Philadelphia is Boeing 737-800 (27.11% of total bookings). The next most popular plane models are Airbus A320-100/200 (14.30%), Boeing 737 MAX 8 (8.66%), and Airbus A319 (7.11%).
What is the most popular airline from Chicago O'Hare Intl Airport to Philadelphia?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and Philadelphia, the leading airline is American Airlines, making up 48% of the total bookings. Other popular airlines include Frontier with 31%, United Airlines with 20%, and Spirit Airlines with 0%.
Best airlines flying from Chicago O'Hare Intl Airport to Philadelphia
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Philadelphia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $53 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $63 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $118 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $138 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $152 | Free Cancellation | Rating 7.2 10,000 reviews |
United Airlines Flights From Chicago O'Hare Intl Airport to Philadelphia
United Airlines operates around 12 flights from Chicago O'Hare Intl Airport to Philadelphia every week. The average price of these flights found in the last 72 hours has been $309, but momondo users have found United Airlines deals from Chicago O'Hare Intl Airport to Philadelphia from as low as $138 round-trip. United Airlines has been scored 7.4/10 in 8,790 reviews.
American Airlines Flights From Chicago O'Hare Intl Airport to Philadelphia
The best American Airlines deal for Chicago O'Hare Intl Airport to Philadelphia flight tickets found on momondo in the last 72 hours was $152, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $279 round-trip. American Airlines operates 37 flights out of Chicago O'Hare Intl Airport into Philadelphia in an average week, so prices vary by time and availability. 10,000 American Airlines reviews by users on momondo have scored the airline at 7.2/10.
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Why should I use momondo to find a flight deal from Chicago to Philadelphia?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Philadelphia. momondo saves you time and could save you money on your trip.
Can I find flights from Chicago to Philadelphia with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Chicago to Philadelphia flights to just show those with flexible booking policies.
How can momondo help me find flights from Chicago to Philadelphia?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Philadelphia.
I’m not ready to book a flight from Chicago to Philadelphia right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Chicago to Philadelphia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Philadelphia and let you know when they change.