PHL - ORD

$104 Find Cheap Flights from Philadelphia to Chicago O'Hare Airport - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Philadelphia to O'Hare Intl departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$166
Typical prices: $151-$327
Frontier
Tue 10/13Fri 10/23
PHL - ORD • 1 stop
Cheapest non-stop
$166
Typical prices: $182-$406
Frontier
Thu 11/5Mon 11/9
PHL - ORD • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts and KAYAK users. AI can make mistakes.
American Basic Economy limits seat choice; Frontier Economy Bundle adds a bag.
United Economy Plus adds legroom, while Frontier Premium Bundle boosts comfort.
Expert advice
Expert advice
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Expert advice
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Nonstop flights
Every day
You can fly direct with American Airlines, United Airlines and Frontier. Average duration is 2h 34m
Direct flights
Direct flights
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Direct flights
Direct flights
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Avoid delays
United Airlines
Most punctual • 91% on-time
Morning flights
Best time • Fewest delays
Insights
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Top layover airports
Atlanta (ATL)
Cheapest • Avg $239 (round-trip)
Detroit (DTW)
Shortest trip • 4h 24m (one-way)
Insights
Insights
Insights
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When to book
3 weeks
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 25% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
October
Cheapest • 21% price drop
May
Most popular
Good to know
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+1
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We hope you love your trip to O'Hare Intl!
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Flight Deals

Cheap Flights from Philadelphia to O'Hare Intl (PHL-ORD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Philadelphia to O'Hare Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Philadelphia to O'Hare Intl

Tue, Oct 13 - Fri, Oct 23
Frontier Logo
7:50 am - 3:36 pmPHL  Philadelphia-ORD Chicago O'Hare Intl
8h 46m1 stop Fort Lauderdale
Frontier Logo
4:41 pm - 8:04 pmORD  Chicago O'Hare Intl-PHL Philadelphia
2h 23mnonstop
$166Frontier
Thu, Oct 29 - Fri, Oct 30
Frontier Logo
11:05 am - 12:41 pmPHL  Philadelphia-ORD Chicago O'Hare Intl
2h 36mnonstop
Frontier Logo
6:00 am - 2:25 pmORD  Chicago O'Hare Intl-PHL Philadelphia
7h 25m1 stop Dallas/Fort Worth
$166Frontier
Tue, Sep 22 - Thu, Sep 24
Multiple Airlines Logo
7:00 am - 1:45 pmPHL  Philadelphia-ORD Chicago O'Hare Intl
7h 45m1 stop Fort Lauderdale
Multiple Airlines Logo
7:25 am - 10:49 amORD  Chicago O'Hare Intl-PHL Philadelphia
2h 24mnonstop
$177Multiple Airlines
Thu, Sep 10 - Thu, Sep 17
Multiple Airlines Logo
7:00 am - 1:45 pmPHL  Philadelphia-ORD Chicago O'Hare Intl
7h 45m1 stop Fort Lauderdale
Multiple Airlines Logo
7:25 am - 10:49 amORD  Chicago O'Hare Intl-PHL Philadelphia
2h 24mnonstop
$177Multiple Airlines
Tue, Oct 13 - Sat, Oct 17
American Airlines Logo
7:25 am - 9:00 amPHL  Philadelphia-ORD Chicago O'Hare Intl
2h 35mnonstop
American Airlines Logo
7:37 pm - 10:52 pmORD  Chicago O'Hare Intl-PHL Philadelphia
2h 15mnonstop
$189American Airlines
Sat, Sep 5 - Tue, Sep 8
American Airlines Logo
7:30 am - 9:05 amPHL  Philadelphia-ORD Chicago O'Hare Intl
2h 35mnonstop
American Airlines Logo
7:11 pm - 10:23 pmORD  Chicago O'Hare Intl-PHL Philadelphia
2h 12mnonstop
$189American Airlines
Tue, Dec 1 - Sat, Dec 5
United Airlines Logo
10:10 am - 11:31 amPHL  Philadelphia-ORD Chicago O'Hare Intl
2h 21mnonstop
United Airlines Logo
7:20 am - 10:27 amORD  Chicago O'Hare Intl-PHL Philadelphia
2h 07mnonstop
$189United Airlines
Sat, Oct 3 - Wed, Oct 7
United Airlines Logo
6:10 am - 7:35 amPHL  Philadelphia-ORD Chicago O'Hare Intl
2h 25mnonstop
United Airlines Logo
6:15 pm - 9:29 pmORD  Chicago O'Hare Intl-PHL Philadelphia
2h 14mnonstop
$189United Airlines
Tue, Oct 20 - Tue, Oct 27
Delta Logo
5:20 am - 9:25 amPHL  Philadelphia-ORD Chicago O'Hare Intl
5h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:44 am - 6:18 pmORD  Chicago O'Hare Intl-PHL Philadelphia
6h 34m1 stop Atlanta Hartsfield-Jackson
$209Delta
Sat, Sep 19 - Tue, Sep 22
Delta Logo
5:27 pm - 8:30 pmPHL  Philadelphia-ORD Chicago O'Hare Intl
4h 03m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:25 pm - 12:40 amORD  Chicago O'Hare Intl-PHL Philadelphia
5h 15m1 stop Atlanta Hartsfield-Jackson
$209Delta
Booking Insights

KAYAK's insights & trends for Philadelphia to O'Hare Intl flights

Get data-powered insights and trends into flights from Philadelphia to O'Hare Intl to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Philadelphia to Chicago O'Hare Intl Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Philadelphia to Chicago O'Hare Intl Airport departing in November.

Flight prices are below average for this route right now.

Flights to Chicago O'Hare Intl Airport from Philadelphia usually cost between $231 and $379 in November.
The lowest price found in the past 5 days was $166 on Frontier (Nov 5-Nov 9).

What’s the cheapest day of the week to fly from Philadelphia to Chicago O'Hare Airport?

The average price of all round-trip flights from Philadelphia to Chicago O'Hare Intl Airport clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Chicago O'Hare Airport on a Friday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Philadelphia to Chicago O'Hare Airport. For your return ticket, we recommend flying on a Friday and avoiding Mondays for the best deals.

What is the cheapest month to fly from Philadelphia to Chicago O'Hare Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Philadelphia to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Philadelphia to Chicago O'Hare Intl Airport is October, where tickets cost $243 (return) on average. On the other hand, the most expensive months are March and June, where the average cost of round-trip tickets is $379 and $369 respectively.

Can I save money by flying with a layover from Philadelphia to Chicago O'Hare Intl Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $297, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Philadelphia to Chicago O'Hare Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Philadelphia to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Philadelphia to Chicago O'Hare Intl Airport, you should book around 3 weeks before departure, which saves you about 25% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

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Expert advice

Expert advice for your flight from Philadelphia to O'Hare Intl

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on American Airlines and PHL

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines, Frontier and ORD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more

Good to know

Low season

February

Cheapest flight

$104
Best time to beat the crowds but there is an average 8% increase in price.
Flight from Philadelphia to Chicago O'Hare Airport

When to book flights from Philadelphia to O'Hare Intl

Are your dates flexible? Find out the best times to travel from Philadelphia to O'Hare Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Flights from Philadelphia to O'Hare Intl: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from Philadelphia to O'Hare Intl 
Learn how KAYAK collects reviews and tips from users.
NFlew with United Airlines-Jul 2026
You need to check your own bags in, meaning you wait I line to print the ticket, put the tab on yourself and then go to another line to make sure the suitcase gets placed on the plane and under the 50lb weight limit. A lot of back and forth.
Verified travelerFlew with American Airlines-Jul 2024
Fly out the night before you have anything to do in Chicago so you don’t get delayed and miss out on plans

FAQs for booking Philadelphia to Chicago O'Hare Airport flights

  • Where can I get car rentals upon landing at Chicago O'Hare Airport?

    Once you arrive at Chicago O'Hare Airport, you can rent your preferred car from the car rental companies located at the airport's Rental Car Lot. All the major car rentals in Chicago, including Hertz, Avis, Enterprise, and Budget, have their desks at this rental car lot.

  • Are there kid-friendly amenities for flights from Philadelphia to Chicago O'Hare Airport?

    You can travel with your kids from Philadelphia to Chicago O'Hare Airport conveniently because of the various kid-friendly amenities available. As you wait for your flight, kids can enjoy playing in the airport's playground located post-security. After arriving at Chicago O'Hare Airport, your kids can have the chance to enjoy interactive games and slides as you relax before proceeding to your preferred destination in Chicago.

  • Which nearby cities does Chicago O'Hare Airport serve?

    Flying from Philadelphia to Chicago O'Hare Airport serve offers you a chance to visit some of the nearby cities served by ORD. For instance, when you land at ORD, you can conveniently connect to Bensenville and Franklin Park using bus or car rentals.

  • Where can you take care of your stomach when you arrive at Chicago O'Hare Airport?

    Travelers arriving at Chicago O'Hare Airport from Philadelphia can relax and enjoy delicious meals at Billy Goat Tavern. This American restaurant, which is located at Concourse C, offers a variety of dishes at affordable prices for different types of travelers.

  • What is the cheapest flight from Philadelphia to Chicago O'Hare Intl Airport?

    In the last 5 days, the lowest price for a flight from Philadelphia to Chicago O'Hare Intl Airport was $105 for a one-way ticket and $166 for a round-trip.

  • Do I need a passport to fly between Philadelphia and Chicago O'Hare Airport?

    A passport is not required to fly from Philadelphia to Chicago O'Hare Airport.

  • Which airlines offer Wi-Fi service onboard planes from Philadelphia to Chicago O'Hare Airport?

    American Airlines, JetBlue, Finnair, and Delta offer inflight Wi-Fi service on the Philadelphia to Chicago O'Hare Airport flight route.

  • Which aircraft models fly most regularly from Philadelphia to Chicago O'Hare Airport?

    The Boeing 737-800 is the aircraft model that flies most regularly on the Philadelphia to Chicago O'Hare Airport flight route.

  • Which airline alliances offer flights from Philadelphia to Chicago O'Hare Airport?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between Philadelphia and Chicago O'Hare Airport, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Philadelphia to Chicago O'Hare Airport?

    There are nonstop flights from Philadelphia to Chicago O'Hare Airport on a daily basis.

  • Which is the best airline for flights from Philadelphia to Chicago, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from Philadelphia to Chicago are Delta and United Airlines. With an average price for the route of $266 and an overall rating of 7.8, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $354 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Philadelphia to Chicago O'Hare Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Philadelphia to Chicago O'Hare Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Philadelphia to Chicago O'Hare Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport from Philadelphia is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Philadelphia to Chicago O'Hare Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago O'Hare Airport with an airline and back to Philadelphia with another airline. Booking your flights between Philadelphia and ORD can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Philadelphia to Chicago O'Hare Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago O'Hare Airport from Philadelphia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Philadelphia to Chicago O'Hare Intl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $184 or less one-way and $279 or less round-trip.
  • Travelers intending to catch up with the earliest flight from Philadelphia International Airport (PHL) to Chicago O'Hare Airport (ORD) should consider spending the night at one of the nearby hotels. For instance, if you stay at Philadelphia Airport Marriot, you will experience convenient movement to PHL early in the morning to catch up with this flight.
  • Regional Rail's Airport Line Service offers the most convenient means of transport for travelers connecting from Philadelphia city center to PHL before catching up with their flights to ORD. Additionally, travelers can use Uber and Lyft to connect to the airport from Philadelphia Downtown. The availability of these various means of transport makes PHL the preferred airport among travelers flying to ORD.
  • If you want to remain in the company of your favorite pet when traveling from PHL to ORD, you have nothing to worry about. Both airports have pet-friendly policies, which allow pet lovers to come in with their pets. However, travelers have to ensure that the pets remain in their carriers or leashed when using the animal relief areas. At PHL, the animal relief area is located at Terminal A between A-East and A-West Departures Flights Road.
  • Chicago O'Hare Airport is the hub for both United Airlines and American Airlines, which makes them the most suitable airline for travelers flying from PHL to ORD. American Airlines is more popular among travelers because of its highest number of flights from Philadelphia to Chicago O'Hare Airport. On the other hand, travelers using United Airlines enjoy more affordable prices and various flight deals.
  • Travelers with mobility challenges can get assistance immediately after they arrive at Philadelphia International Airport. Prior communication with the airport and or the airline ensures that a wheelchair is available for the traveler to allow movement through the security to the aircraft. Similarly, ORD has airport shuttles that are wheelchair accessible, which facilitates convenient movement for travelers with reduced mobility.

Prefer to fly direct from Philadelphia to Chicago O'Hare Airport?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Philadelphia to Chicago O'Hare Intl.
Find which airlines fly direct from Philadelphia Airport to Chicago O'Hare Intl Airport, which days they fly and book direct flights.

Direct departures

Philadelphia to Chicago O'Hare Intl

Monday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Tuesday

American Airlines,United Airlines

American Airlines,United Airlines

Wednesday

American Airlines,United Airlines

American Airlines,United Airlines

Thursday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Friday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Saturday

American Airlines,United Airlines,Frontier

American Airlines,United Airlines, +1 more

Sunday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

See more direct flights

Direct returns

Chicago O'Hare Intl to Philadelphia

Monday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Tuesday

American Airlines,United Airlines

American Airlines,United Airlines

Wednesday

American Airlines,United Airlines

American Airlines,United Airlines

Thursday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Friday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Saturday

American Airlines,United Airlines,Frontier

American Airlines,United Airlines, +1 more

Sunday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

See more direct flights

Everything you need to know for your flight from Philadelphia to O'Hare Intl

Information on your arrival and departure airports

Philadelphia (PHL)
O'Hare Intl (ORD)