What airlines fly to Chicago O'Hare Intl Airport?

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Pennsylvania according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 4 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

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

Delta, Frontier, and United Airlines are the most popular carriers operating from Pennsylvania to Chicago O'Hare Intl

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

As of September 2026, there are 311 flights per day flying from Pennsylvania to Chicago O'Hare Intl Airport. The most common time of day flights depart is 6:00AM, with 50% of flights taking off at noon.

How long does it take to fly to Chicago O'Hare Intl Airport?

On average, it takes 1h 43m to fly from Pennsylvania to Chicago O'Hare Intl Airport if you fly out of Pittsburgh (the most popular airport in Pennsylvania) and into Chicago O'Hare Intl Airport (the most popular airport in Chicago O'Hare Intl Airport). If you’re flying out of Harrisburg and into Chicago O'Hare Intl Airport, then the flight time is around 2h 02m.

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

The number of flights available between Pennsylvania and Chicago O'Hare Intl Airport is 2,178 per week as of September 2026. The most frequent departure day is Wed, with 19% of weekly flights leaving on this day.

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

As of September 2026, there are 5 operators available to choose from for flights from Pennsylvania to Chicago O'Hare Intl Airport.

How old do you have to be to fly from Pennsylvania to Chicago O'Hare Intl 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 Pennsylvania to Chicago O'Hare Intl Airport.

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

The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$89 Cheap Flights from Pennsylvania to Chicago O'Hare Intl Airport in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Pennsylvania to Chicago

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:09 pm - 10:43 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 34mnonstop

4:42 pm - 7:58 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 16mnonstop

$177Frontier

Thu, Nov 5 - Mon, Nov 9

12:36 pm - 6:16 pmPHL Philadelphia-ORD Chicago O'Hare Intl

6h 40m1 stop Atlanta Hartsfield-Jackson

10:26 am - 6:19 pmORD Chicago O'Hare Intl-PHL Philadelphia

6h 53m1 stop Atlanta Hartsfield-Jackson

$178Frontier

Tue, Nov 3 - Thu, Nov 12

12:30 pm - 5:20 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

5h 50m1 stop New York John F Kennedy Intl

6:10 am - 11:50 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

4h 40m1 stop New York John F Kennedy Intl

$179Delta

Sat, Oct 24 - Sat, Oct 31

6:05 am - 10:29 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

5h 24m1 stop Detroit Metropolitan Wayne County

5:29 pm - 11:16 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

4h 47m1 stop Detroit Metropolitan Wayne County

$179Delta

Wed, Oct 28 - Wed, Oct 28

12:47 pm - 2:20 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 33mnonstop

5:47 pm - 9:00 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 13mnonstop

$180American Airlines

Wed, Nov 11 - Wed, Nov 11

4:05 pm - 9:30 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

6h 25m1 stop Newark

7:45 am - 10:53 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 08mnonstop

$181United Airlines

Tue, Nov 3 - Sat, Nov 7

5:43 am - 7:25 amPHL Philadelphia-ORD Chicago O'Hare Intl

2h 42mnonstop

5:29 pm - 9:07 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 38mnonstop

$185American Airlines

Wed, Oct 7 - Sat, Oct 10

10:54 am - 12:29 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 35mnonstop

6:24 pm - 9:38 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 14mnonstop

$185United Airlines

Tue, Nov 17 - Wed, Nov 18

8:15 pm - 10:08 pmJFK New York John F Kennedy Intl-ORD Chicago O'Hare Intl

2h 53mnonstop

10:59 am - 2:20 pmORD Chicago O'Hare Intl-JFK New York John F Kennedy Intl

2h 21mnonstop

$234JetBlue

Sat, Oct 3 - Wed, Oct 7

8:10 am - 9:58 amJFK New York John F Kennedy Intl-ORD Chicago O'Hare Intl

2h 48mnonstop

6:10 am - 9:30 amORD Chicago O'Hare Intl-JFK New York John F Kennedy Intl

2h 20mnonstop

$234JetBlue

Wed, Sep 30 - Tue, Oct 13

Cheap last minute flights

Enter your travel dates to find the best prices.

11:54 am - 1:30 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 36mnonstop

4:41 pm - 8:04 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 23mnonstop

$232Frontier

Sun, Sep 20 - Mon, Oct 19

11:54 am - 1:30 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 36mnonstop

7:44 pm - 7:21 amORD Chicago O'Hare Intl-PHL Philadelphia

10h 37m1 stop Atlanta Hartsfield-Jackson

$239Frontier

Sun, Sep 20 - Mon, Oct 19

8:10 am - 9:58 amJFK New York John F Kennedy Intl-ORD Chicago O'Hare Intl

2h 48mnonstop

12:38 pm - 4:00 pmORD Chicago O'Hare Intl-JFK New York John F Kennedy Intl

2h 22mnonstop

$245JetBlue

Wed, Sep 23 - Wed, Oct 21

8:10 am - 9:58 amJFK New York John F Kennedy Intl-ORD Chicago O'Hare Intl

2h 48mnonstop

10:59 am - 2:20 pmORD Chicago O'Hare Intl-JFK New York John F Kennedy Intl

2h 21mnonstop

$245JetBlue

Sun, Sep 20 - Wed, Oct 7

2:16 pm - 4:05 pmLGA New York LaGuardia-ORD Chicago O'Hare Intl

2h 49mnonstop

10:10 am - 1:31 pmORD Chicago O'Hare Intl-LGA New York LaGuardia

2h 21mnonstop

$254American Airlines

Thu, Sep 24 - Tue, Oct 6

9:17 am - 11:05 amLGA New York LaGuardia-ORD Chicago O'Hare Intl

2h 48mnonstop

6:00 am - 9:18 amORD Chicago O'Hare Intl-LGA New York LaGuardia

2h 18mnonstop

$254American Airlines

Thu, Sep 24 - Tue, Oct 6

8:45 pm - 10:18 pmLGA New York LaGuardia-ORD Chicago O'Hare Intl

2h 33mnonstop

10:05 am - 1:26 pmORD Chicago O'Hare Intl-LGA New York LaGuardia

2h 21mnonstop

$254Delta

Wed, Sep 23 - Wed, Oct 28

3:01 pm - 4:59 pmJFK New York John F Kennedy Intl-ORD Chicago O'Hare Intl

2h 58mnonstop

6:00 pm - 9:40 pmORD Chicago O'Hare Intl-JFK New York John F Kennedy Intl

2h 40mnonstop

$254Delta

Wed, Sep 23 - Wed, Oct 28

6:10 am - 7:50 amLGA New York LaGuardia-ORD Chicago O'Hare Intl

2h 40mnonstop

6:00 am - 9:15 amORD Chicago O'Hare Intl-LGA New York LaGuardia

2h 15mnonstop

$254United Airlines

Sun, Sep 20 - Wed, Oct 7

9:10 am - 10:54 amLGA New York LaGuardia-ORD Chicago O'Hare Intl

2h 44mnonstop

9:00 am - 12:23 pmORD Chicago O'Hare Intl-LGA New York LaGuardia

2h 23mnonstop

$254United Airlines

Wed, Sep 23 - Wed, Oct 21

Cheap direct flights

Enter your travel dates to find the best prices.

9:09 pm - 10:43 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 34mnonstop

4:42 pm - 7:58 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 16mnonstop

$177Frontier

Thu, Nov 5 - Mon, Nov 9

4:56 pm - 6:40 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 44mnonstop

7:45 pm - 11:00 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 15mnonstop

$179Frontier

Sat, Dec 26 - Wed, Dec 30

12:47 pm - 2:20 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 33mnonstop

5:47 pm - 9:00 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 13mnonstop

$180American Airlines

Wed, Nov 11 - Wed, Nov 11

5:43 am - 7:25 amPHL Philadelphia-ORD Chicago O'Hare Intl

2h 42mnonstop

5:29 pm - 9:07 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 38mnonstop

$185American Airlines

Wed, Oct 7 - Sat, Oct 10

10:54 am - 12:29 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 35mnonstop

6:24 pm - 9:38 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 14mnonstop

$185United Airlines

Tue, Nov 17 - Wed, Nov 18

6:15 am - 7:51 amPHL Philadelphia-ORD Chicago O'Hare Intl

2h 36mnonstop

8:50 am - 12:04 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 14mnonstop

$185United Airlines

Wed, Oct 28 - Sat, Oct 31

8:15 pm - 10:08 pmJFK New York John F Kennedy Intl-ORD Chicago O'Hare Intl

2h 53mnonstop

10:59 am - 2:20 pmORD Chicago O'Hare Intl-JFK New York John F Kennedy Intl

2h 21mnonstop

$234JetBlue

Sat, Oct 3 - Wed, Oct 7

8:15 pm - 10:08 pmJFK New York John F Kennedy Intl-ORD Chicago O'Hare Intl

2h 53mnonstop

12:38 pm - 4:00 pmORD Chicago O'Hare Intl-JFK New York John F Kennedy Intl

2h 22mnonstop

$234JetBlue

Sat, Oct 3 - Sat, Oct 10

3:40 pm - 5:34 pmJFK New York John F Kennedy Intl-ORD Chicago O'Hare Intl

2h 54mnonstop

6:10 pm - 9:45 pmORD Chicago O'Hare Intl-JFK New York John F Kennedy Intl

2h 35mnonstop

$235Delta

Sun, Jan 24 - Wed, Jan 27

10:55 am - 12:50 pmJFK New York John F Kennedy Intl-ORD Chicago O'Hare Intl

2h 55mnonstop

6:00 pm - 9:37 pmORD Chicago O'Hare Intl-JFK New York John F Kennedy Intl

2h 37mnonstop

$235Delta

Wed, Dec 2 - Sun, Dec 6

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Frontier flights from Pennsylvania to Chicago O'Hare Intl Airport

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

Frontier

Nov 5

PHL9:09 pmPhiladelphia

2h 34m

ORD10:43 pmChicago O'Hare Intl

Nov 9

ORD4:42 pmChicago O'Hare Intl

2h 16m

PHL7:58 pmPhiladelphia

$177

Frontier

Nov 3

PHL12:36 pmPhiladelphia

6h 40m

1 stop

ORD6:16 pmChicago O'Hare Intl

Nov 11

ORD7:15 amChicago O'Hare Intl

15h 01m

1 stop

PHL11:16 pmPhiladelphia

$178

Frontier

Nov 18

PHL8:30 amPhiladelphia

10h 46m

1 stop

ORD6:16 pmChicago O'Hare Intl

Nov 19

ORD4:42 pmChicago O'Hare Intl

2h 16m

PHL7:58 pmPhiladelphia

$179

United Airlines flights from Pennsylvania to Chicago O'Hare Intl Airport

Our best United Airlines deals on Pennsylvania to Chicago O'Hare Intl Airport flight tickets

United Airlines

Oct 28

PHL6:15 amPhiladelphia

2h 36m

ORD7:51 amChicago O'Hare Intl

Oct 31

ORD8:50 amChicago O'Hare Intl

2h 14m

PHL12:04 pmPhiladelphia

$185

United Airlines

Oct 14

PHL7:30 pmPhiladelphia

5h 02m

1 stop

ORD11:32 pmChicago O'Hare Intl

Oct 20

ORD9:07 amChicago O'Hare Intl

2h 18m

PHL12:25 pmPhiladelphia

$195

United Airlines

Oct 10

DCA12:00 pmWashington, D.C. Reagan-National

2h 15m

ORD1:15 pmChicago O'Hare Intl

Oct 13

ORD11:15 amChicago O'Hare Intl

2h 08m

DCA2:23 pmWashington, D.C. Reagan-National

$209

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaChicago

PHL Philadelphia - ORD Chicago O'Hare Intl

PHLORD

Philadelphia

Thu 11/5

9:09 pm-10:43 pm

Nonstop2h 34m

Chicago O'Hare Intl

Mon 11/9

4:42 pm-7:58 pm

Nonstop2h 16m

$177

PhiladelphiaChicago

PHL Philadelphia - ORD Chicago O'Hare Intl

PHLORD

Philadelphia

Tue 11/3

12:36 pm-6:16 pm

1 stop6h 40m

Chicago O'Hare Intl

Thu 11/12

10:26 am-6:19 pm

1 stop6h 53m

$178

Washington, D.C.Chicago

IAD Washington, D.C. Dulles Intl - ORD Chicago O'Hare Intl

IADORD

Washington, D.C. Dulles Intl

Sat 10/24

12:30 pm-5:20 pm

1 stop5h 50m

Chicago O'Hare Intl

Sat 10/31

6:10 am-11:50 am

1 stop4h 40m

$179

Washington, D.C.Chicago

IAD Washington, D.C. Dulles Intl - ORD Chicago O'Hare Intl

IADORD

Washington, D.C. Dulles Intl

Wed 10/28

6:05 am-10:29 am

1 stop5h 24m

Chicago O'Hare Intl

Wed 10/28

5:29 pm-11:16 pm

1 stop4h 47m

$179

Quickest round-trip

PhiladelphiaChicago

PHL Philadelphia - ORD Chicago O'Hare Intl

PHLORD

Philadelphia

Wed 11/11

12:47 pm-2:20 pm

Nonstop2h 33m

Chicago O'Hare Intl

Wed 11/11

5:47 pm-9:00 pm

Nonstop2h 13m

$180

Washington, D.C.Chicago

DCA Washington, D.C. Reagan-National - ORD Chicago O'Hare Intl

DCAORD

Washington, D.C. Reagan-National

Tue 11/3

4:05 pm-9:30 pm

1 stop6h 25m

Chicago O'Hare Intl

Sat 11/7

7:45 am-10:53 am

Nonstop2h 08m

$181

PhiladelphiaChicago

PHL Philadelphia - ORD Chicago O'Hare Intl

PHLORD

Philadelphia

Wed 10/7

5:43 am-7:25 am

Nonstop2h 42m

Chicago O'Hare Intl

Sat 10/10

5:29 pm-9:07 pm

Nonstop2h 38m

$185

PhiladelphiaChicago

PHL Philadelphia - ORD Chicago O'Hare Intl

PHLORD

Philadelphia

Tue 11/17

10:54 am-12:29 pm

Nonstop2h 35m

Chicago O'Hare Intl

Wed 11/18

6:24 pm-9:38 pm

Nonstop2h 14m

$185

New YorkChicago

JFK New York John F Kennedy Intl - ORD Chicago O'Hare Intl

JFKORD

New York John F Kennedy Intl

Sat 10/3

8:15 pm-10:08 pm

Nonstop2h 53m

Chicago O'Hare Intl

Wed 10/7

10:59 am-2:20 pm

Nonstop2h 21m

$234

New YorkChicago

JFK New York John F Kennedy Intl - ORD Chicago O'Hare Intl

JFKORD

New York John F Kennedy Intl

Wed 9/30

8:10 am-9:58 am

Nonstop2h 48m

Chicago O'Hare Intl

Tue 10/13

6:10 am-9:30 am

Nonstop2h 20m

$234

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 Pennsylvania 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

Other information

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

The month of December is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Pennsylvania averaging around $298.

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 $361. 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 Pennsylvania because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $529.

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 Pennsylvania in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $345 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $450. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

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

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $314 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 Pennsylvania for as low as $281 on momondo.

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

There are 4 cabin classes available to choose from on Pennsylvania to Chicago O'Hare Intl Airport 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 Pennsylvania to Chicago O'Hare Intl Airport flights?

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

Cheap Pennsylvania to Chicago O'Hare Intl Airport flight deals and tips

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

Best Price Found	$89
Fastest flight time	1h 43m
Direct flights	Every day

The best one-way flight to Chicago O'Hare Intl Airport from Pennsylvania in the past 72 hours is $89. The best round-trip flight deal from Pennsylvania to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $177.

The fastest flight from Pennsylvania to Chicago O'Hare Intl Airport takes 1h 43m

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

Search flight deals

Frequently asked questions about flying from Pennsylvania to Chicago O'Hare Intl Airport

When did momondo last update prices for flights from Pennsylvania to Chicago O'Hare Intl Airport?
Prices for flights from Pennsylvania to Chicago O'Hare Intl Airport are updated daily.
How many operators does momondo search for flights from Pennsylvania to Chicago O'Hare Intl Airport?
As of September 2026, there are 5 operators available to choose from for flights from Pennsylvania to Chicago O'Hare Intl Airport.
How old do you have to be to fly from Pennsylvania to Chicago O'Hare Intl 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 Pennsylvania to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Pennsylvania to Chicago O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Pennsylvania to Chicago O'Hare Intl Airport is Boeing 737-800 (16.11% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (9.89%), Boeing 737-900 (8.89%), and Airbus A320-100/200 (8.86%).

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

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $77	Free Cancellation	Rating 5.6 2,598 reviews	Search Frontier flights
Delta	PriceFrom $133	Free Cancellation	Rating 7.8 8,585 reviews	Search Delta flights
American Airlines	PriceFrom $137	Free Cancellation	Rating 7.1 12,078 reviews	Search American Airlines flights
United Airlines	PriceFrom $175	Free Cancellation	Rating 7.4 10,224 reviews	Search United Airlines flights

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Orland Park

Joliet

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New Buffalo

Kenosha

Hammond

Aurora

Racine

Elgin

Janesville

Evanston

Skokie

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Pennsylvania to Chicago for you.

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

momondo does allow users to show only those flights to Chicago from Pennsylvania which offer a flexible booking policy as well as other useful filters and features.

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

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 Pennsylvania to Chicago.

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

Price alerts on flights to Chicago from Pennsylvania are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Pennsylvania to Chicago from $89

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Chicago departing on 10/6. 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 Pennsylvania to Chicago O'Hare Intl Airport

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

United Airlines flights from Pennsylvania to Chicago O'Hare Intl Airport

Our best United Airlines deals on Pennsylvania to Chicago O'Hare Intl Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Pennsylvania 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 Pennsylvania to Chicago O'Hare Intl Airport

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

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 Pennsylvania to Chicago O'Hare Intl flight route?

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

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

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

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

What airlines fly to Chicago O'Hare Intl Airport?

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

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

How long does it take to fly to Chicago O'Hare Intl Airport?

Cheap Pennsylvania to Chicago O'Hare Intl Airport flight deals and tips

Best Price Found

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Frequently asked questions about flying from Pennsylvania to Chicago O'Hare Intl Airport

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

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

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

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List of cabin classes available on flights landing in Chicago. Availability may vary depending on flight origin and airline.

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