What airlines fly to Chicago O'Hare Intl Airport?

United Airlines, American Airlines and Spirit Airlines are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Philadelphia according to our data. United Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 6 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

How many flights depart from Philadelphia to Chicago O'Hare Intl Airport on average per day?

As of January 2026, 32 flights take off from Philadelphia and land in Chicago O'Hare Intl Airport each day. The most common flight departure time for this route is 10:00AM, with 56% of daily flights taking off in the afternoon.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Philadelphia to Chicago flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 9% of their flights experiencing any sort of delay.

What is the most punctual flight time for Philadelphia to Chicago flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

How many flights depart from Philadelphia to Chicago O'Hare Intl Airport on average per week?

As of January 2026, there are 224 flights per week flying from Philadelphia to Chicago O'Hare Intl Airport. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

What is the cheapest airline that flies from Philadelphia to Chicago O'Hare Intl?

Frontier and JetBlue are the most popular carriers operating from Philadelphia to Chicago O'Hare Intl

How often are flights from Philadelphia to Chicago delayed?

Historically, on average around 13% of flights between Philadelphia and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 151 minutes.

When did momondo last update prices for flights from Philadelphia Airport to Chicago O'Hare Intl Airport?

Prices for flights from Philadelphia Airport to Chicago O'Hare Intl Airport refresh daily.

How many operators does momondo search for flights from Philadelphia Airport to Chicago O'Hare Intl Airport?

As of January 2026, there are 4 operators available to choose from for flights from Philadelphia Airport to Chicago O'Hare Intl Airport.

How old do you have to be to fly from Philadelphia Airport to Chicago O'Hare Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Chicago O'Hare Intl Airport.

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$69 Cheap Flights from Philadelphia to Chicago O'Hare Intl Airport in 2026

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11:40 am - 4:52 pm

PHL

ORD

6h 12m

1 stop

12:06 pm - 12:21 am

ORD

PHL

11h 15m

1 stop

$128Frontier

Wed, Feb 25 - Sat, Feb 28

3:06 pm - 9:42 pm

PHL

ORD

7h 36m

1 stop

3:21 pm - 6:30 pm

ORD

PHL

2h 09mnonstop

$133Frontier

Thu, Feb 5 - Thu, Mar 12

4:41 pm - 6:15 pm

PHL

ORD

2h 34mnonstop

5:15 am - 5:54 pm

ORD

PHL

11h 39m

1 stop

$134Frontier

Fri, Apr 3 - Tue, Apr 7

9:47 pm - 11:23 pm

PHL

ORD

2h 36mnonstop

6:19 pm - 10:49 pm

ORD

PHL

27h 30m

1 stop

$136Frontier

Mon, Feb 16 - Mon, Feb 23

12:45 pm - 2:21 pm

PHL

ORD

2h 36mnonstop

10:12 pm - 1:21 am

ORD

PHL

2h 09mnonstop

$137Frontier

Thu, Mar 19 - Sun, Mar 22

7:47 pm - 9:27 pm

PHL

ORD

2h 40mnonstop

4:44 pm - 7:59 pm

ORD

PHL

2h 15mnonstop

$138Frontier

Mon, Feb 2 - Fri, Feb 6

7:47 pm - 9:27 pm

PHL

ORD

2h 40mnonstop

8:30 am - 2:40 pm

ORD

PHL

29h 10m

1 stop

$139Frontier

Mon, Feb 9 - Tue, Feb 10

5:30 am - 7:06 am

PHL

ORD

2h 36mnonstop

5:22 pm - 8:31 pm

ORD

PHL

2h 09mnonstop

$141Frontier

Fri, Feb 13 - Mon, Feb 16

11:40 am - 4:52 pm

PHL

ORD

6h 12m

1 stop

6:02 pm - 11:18 am

ORD

PHL

16h 16m

1 stop

$142Frontier

Tue, Feb 24 - Wed, Feb 25

7:47 pm - 9:27 pm

PHL

ORD

2h 40mnonstop

8:10 am - 3:37 pm

ORD

PHL

6h 27m

1 stop

$143Frontier

Mon, Feb 2 - Wed, Feb 4

Frontier flights from Philadelphia to Chicago O'Hare Intl Airport

Our best Frontier deals on Philadelphia to Chicago O'Hare Intl Airport flight tickets

Frontier

Feb 25

PHL11:40 amPhiladelphia

6h 12m

1 stop

ORD4:52 pmChicago O'Hare Intl

Feb 28

ORD12:06 pmChicago O'Hare Intl

11h 15m

1 stop

PHL12:21 amPhiladelphia

$128

Frontier

Feb 5

PHL3:06 pmPhiladelphia

7h 36m

1 stop

ORD9:42 pmChicago O'Hare Intl

Mar 12

ORD3:21 pmChicago O'Hare Intl

2h 09m

PHL6:30 pmPhiladelphia

$133

Frontier

Apr 3

PHL4:41 pmPhiladelphia

2h 34m

ORD6:15 pmChicago O'Hare Intl

Apr 7

ORD5:15 amChicago O'Hare Intl

11h 39m

1 stop

PHL5:54 pmPhiladelphia

$134

Spirit Airlines flights from Philadelphia to Chicago O'Hare Intl Airport

Our best Spirit Airlines deals on Philadelphia to Chicago O'Hare Intl Airport flight tickets

Spirit Airlines

Feb 11

PHL12:20 pmPhiladelphia

8h 21m

1 stop

ORD7:41 pmChicago O'Hare Intl

Feb 18

ORD4:43 pmChicago O'Hare Intl

15h 01m

1 stop

PHL8:44 amPhiladelphia

$158

Spirit Airlines

Feb 18

PHL8:06 amPhiladelphia

14h 07m

1 stop

ORD9:13 pmChicago O'Hare Intl

Feb 25

ORD12:44 pmChicago O'Hare Intl

10h 06m

2 stops

PHL11:50 pmPhiladelphia

$180

momondo Fare Finder

Use the filters below to find and compare flights from Philadelphia to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Wed 2/25

11:40 am-4:52 pm

1 stop6h 12m

Chicago O'Hare Intl

Sat 2/28

12:06 pm-12:21 am

1 stop11h 15m

$128

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Thu 2/5

3:06 pm-9:42 pm

1 stop7h 36m

Chicago O'Hare Intl

Thu 3/12

3:21 pm-6:30 pm

Nonstop2h 09m

$133

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Fri 4/3

4:41 pm-6:15 pm

Nonstop2h 34m

Chicago O'Hare Intl

Tue 4/7

5:15 am-5:54 pm

1 stop11h 39m

$134

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Mon 2/16

9:47 pm-11:23 pm

Nonstop2h 36m

Chicago O'Hare Intl

Mon 2/23

6:19 pm-10:49 pm

1 stop27h 30m

$136

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Thu 3/19

12:45 pm-2:21 pm

Nonstop2h 36m

Chicago O'Hare Intl

Sun 3/22

10:12 pm-1:21 am

Nonstop2h 09m

$137

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Mon 2/2

7:47 pm-9:27 pm

Nonstop2h 40m

Chicago O'Hare Intl

Fri 2/6

4:44 pm-7:59 pm

Nonstop2h 15m

$138

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Mon 2/9

7:47 pm-9:27 pm

Nonstop2h 40m

Chicago O'Hare Intl

Tue 2/10

8:30 am-2:40 pm

1 stop29h 10m

$139

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Fri 2/13

5:30 am-7:06 am

Nonstop2h 36m

Chicago O'Hare Intl

Mon 2/16

5:22 pm-8:31 pm

Nonstop2h 09m

$141

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Tue 2/24

11:40 am-4:52 pm

1 stop6h 12m

Chicago O'Hare Intl

Wed 2/25

6:02 pm-11:18 am

1 stop16h 16m

$142

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Mon 2/2

7:47 pm-9:27 pm

Nonstop2h 40m

Chicago O'Hare Intl

Wed 2/4

8:10 am-3:37 pm

1 stop6h 27m

$143

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Philadelphia to Chicago O'Hare Intl Airport

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

Prices

Airlines

Delays

Other information

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

The month of August is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Philadelphia averaging around $247.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Friday when prices can be found for as low as $341. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Philadelphia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $522.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Philadelphia in the evening is the least expensive time of day to depart. momondo users have found prices as low as $274 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $454. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Philadelphia to Chicago O'Hare Intl flight route?

Fly from Philadelphia to Chicago O'Hare Intl for the best Philadelphia - Chicago O'Hare Intl flight prices

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

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $285 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Philadelphia for as low as $218 on momondo.

What cabin class options are available on Philadelphia to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on Philadelphia to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Philadelphia to Chicago O'Hare Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Philadelphia to Chicago O'Hare Intl Airport.

How have Philadelphia to Chicago O'Hare Intl Airport flight prices changed over time?

As of January 2026, prices for Philadelphia to Chicago O'Hare Intl Airport flights are approximately 34% cheaper when compared to flights at the same time last year.

When to book flights from Philadelphia to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Philadelphia to Chicago O'Hare Intl Airport (PHL to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Chicago O'Hare Intl Airport

Best Price Found	$175
Fastest flight time	2h 21m
Direct flights	Every day

The best one-way flight to Chicago O'Hare Intl Airport from Philadelphia in the past 72 hours is $175. The best round-trip flight deal from Philadelphia to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $314.

The fastest flight from Philadelphia to Chicago O'Hare Intl Airport takes 2h 21m

Direct flights go from Philadelphia to Chicago O'Hare Intl Airport every day.

Search flight deals

How far is Philadelphia to Chicago O'Hare Intl by plane?
Chicago O'Hare Intl is 678.6 mi away from Philadelphia. A reasonable flight in good conditions will take 2h 21m.
When did momondo last update prices for flights from Philadelphia Airport to Chicago O'Hare Intl Airport?
Prices for flights from Philadelphia Airport to Chicago O'Hare Intl Airport refresh daily.
How many operators does momondo search for flights from Philadelphia Airport to Chicago O'Hare Intl Airport?
As of January 2026, there are 4 operators available to choose from for flights from Philadelphia Airport to Chicago O'Hare Intl Airport.
How old do you have to be to fly from Philadelphia Airport to Chicago O'Hare Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Philadelphia to Chicago O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Philadelphia to Chicago O'Hare Intl Airport is Boeing 737-800 (26.07% of total bookings). The next most popular plane models are Airbus A320-100/200 (13.50%), Airbus A319 (11.01%), and Boeing 737 MAX 8 (9.69%).
What is the most popular airline from Philadelphia to Chicago O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Philadelphia to Chicago O'Hare Intl Airport is American Airlines (51% of total bookings). The next most popular airlines are United Airlines (27%), Frontier (21%), and Delta (0%).

Best airlines flying from Philadelphia to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Philadelphia to Chicago O'Hare Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $74	Free Cancellation	Rating 5.7 3,056 reviews	Search Frontier flights
Delta	PriceFrom $98	Free Cancellation	Rating 7.9 8,080 reviews	Search Delta flights
United Airlines	PriceFrom $152	Free Cancellation	Rating 7.4 9,183 reviews	Search United Airlines flights
American Airlines	PriceFrom $164	Free Cancellation	Rating 7.2 11,162 reviews	Search American Airlines flights

United Airlines Flights From Philadelphia to Chicago O'Hare Intl Airport
The lowest priced United Airlines flight from Philadelphia to Chicago O'Hare Intl Airport from the last 72 hours was $152. Generally, United Airlines has 20 flights on this route every week with an average price of $317. United Airlines is rated 7.4/10 by our users.
American Airlines Flights From Philadelphia to Chicago O'Hare Intl Airport
Across 11,162 American Airlines reviews on momondo, the average score is 7.2/10. American Airlines flies from Philadelphia to Chicago O'Hare Intl Airport about 37 times each week, with ticket deals ranging from $164 to $304. Price data is based on momondo searches in the last 72 hours.

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Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Chicago?

Finding the right flight to Chicago from Philadelphia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

Can I find flights from Philadelphia to Chicago with flexible booking policies on momondo?

Flights from Philadelphia to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Philadelphia to Chicago?

momondo helps you find the best flight between Philadelphia and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Philadelphia to Chicago right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chicago from Philadelphia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Chicago O'Hare Intl Airport trip

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Cheap flights from Philadelphia to Chicago from $69

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Chicago departing on 2/13. 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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Frontier flights from Philadelphia to Chicago O'Hare Intl Airport

Our best Frontier deals on Philadelphia to Chicago O'Hare Intl Airport flight tickets

Spirit Airlines flights from Philadelphia to Chicago O'Hare Intl Airport

Our best Spirit Airlines deals on Philadelphia to Chicago O'Hare Intl Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Philadelphia to Chicago O'Hare Intl Airport that are best for you.

See travel insights to Chicago from

How to get the cheapest flight ticket from Philadelphia to Chicago O'Hare Intl Airport

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

The month of August is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Philadelphia averaging around $247.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest Philadelphia to Chicago O'Hare Intl flight route?

Fly from Philadelphia to Chicago O'Hare Intl for the best Philadelphia - Chicago O'Hare Intl flight prices

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

What cabin class options are available on Philadelphia to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on Philadelphia to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Philadelphia to Chicago O'Hare Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Philadelphia to Chicago O'Hare Intl Airport.

How have Philadelphia to Chicago O'Hare Intl Airport flight prices changed over time?

As of January 2026, prices for Philadelphia to Chicago O'Hare Intl Airport flights are approximately 34% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Philadelphia to Chicago O'Hare Intl?

Frontier and JetBlue are the most popular carriers operating from Philadelphia to Chicago O'Hare Intl

What airlines fly to Chicago O'Hare Intl Airport?

How often are flights from Philadelphia to Chicago delayed?

Historically, on average around 13% of flights between Philadelphia and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 151 minutes.

What is the most punctual flight time for Philadelphia to Chicago flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Philadelphia to Chicago flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 9% of their flights experiencing any sort of delay.

How many flights depart from Philadelphia to Chicago O'Hare Intl Airport on average per day?

As of January 2026, 32 flights take off from Philadelphia and land in Chicago O'Hare Intl Airport each day. The most common flight departure time for this route is 10:00AM, with 56% of daily flights taking off in the afternoon.

How many flights depart from Philadelphia to Chicago O'Hare Intl Airport on average per week?

As of January 2026, there are 224 flights per week flying from Philadelphia to Chicago O'Hare Intl Airport. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

When to book flights from Philadelphia to Chicago O'Hare Intl Airport

Cheap Philadelphia to Chicago O'Hare Intl Airport (PHL to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Chicago O'Hare Intl Airport

Best Price Found

Fastest flight time

Direct flights

How far is Philadelphia to Chicago O'Hare Intl by plane?

When did momondo last update prices for flights from Philadelphia Airport to Chicago O'Hare Intl Airport?

How many operators does momondo search for flights from Philadelphia Airport to Chicago O'Hare Intl Airport?

How old do you have to be to fly from Philadelphia Airport to Chicago O'Hare Intl Airport?

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

What is the most popular plane model from Philadelphia to Chicago O'Hare Intl Airport?

What is the most popular airline from Philadelphia to Chicago O'Hare Intl Airport?

Best airlines flying from Philadelphia to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Philadelphia to Chicago O'Hare Intl Airport with momondo

United Airlines Flights From Philadelphia to Chicago O'Hare Intl Airport

American Airlines Flights From Philadelphia to Chicago O'Hare Intl Airport

Traveling to a place near Chicago?

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Chicago?

Can I find flights from Philadelphia to Chicago with flexible booking policies on momondo?

How can momondo help me find flights from Philadelphia to Chicago?

I’m not ready to book a flight from Philadelphia to Chicago right now. Can momondo alert me if prices change?

An easier way to manage your Chicago O'Hare Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Chicago

Popular cities in the United States