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O'Hare Intl

$49+ Cheap flights from Pittsburgh (PIT) to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — ORD
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Pittsburgh to Chicago O'Hare Intl are usually found in August or October, booked 55 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap flight deals from Pittsburgh to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Pittsburgh (PIT) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$97
(United Airlines)

One-way from

$49
(United Airlines)

Popular in

December

Cheapest in

August

Average price

$308

Good round-trip deal

$298 or less

Good one-way deal

$175 or less
From Pittsburgh to Chicago O'Hare Intl
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One-way flight from Pittsburgh to Chicago O'Hare Intl
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Highest demand for flights based on searches. 5% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Pittsburgh to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Pittsburgh to Chicago O'Hare Intl.
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Find flight deals from Pittsburgh to O'Hare Intl

Cheapest flights from Pittsburgh to O'Hare Intl
Explore the most affordable flight options available from Pittsburgh to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/142:07 pmPIT - ORD
Nonstop1h 44mUnited Airlines
Thu 10/1610:35 amORD - PIT
Nonstop1h 30mUnited Airlines
Deal found 9/15$97
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:17 amPIT - ORD
Nonstop1h 42mAmerican Airlines
Mon 10/138:50 pmORD - PIT
Nonstop1h 29mAmerican Airlines
Deal found 9/15$98
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/85:50 amPIT - ORD
1 stop7h 00mSouthwest
Tue 10/213:10 pmORD - PIT
1 stop5h 20mSouthwest
Deal found 9/15$117
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:00 amPIT - ORD
1 stop7h 45mSouthwest
Wed 10/223:10 pmORD - PIT
1 stop5h 20mSouthwest
Deal found 9/15$122
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:10 amPIT - ORD
1 stop7h 35mSouthwest
Sat 10/181:30 pmORD - PIT
1 stop7h 20mSouthwest
Deal found 9/16$128
This Priceline deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/269:34 amPIT - ORD
1 stop11h 10mFrontier
Mon 9/296:10 amORD - PIT
1 stop6h 22mFrontier
Deal found 9/14$144
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/72:07 pmPIT - ORD
Nonstop1h 44mUnited Airlines
Thu 10/92:15 pmORD - PIT
Nonstop1h 37mUnited Airlines
Deal found 9/15$155
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:01 amPIT - ORD
Nonstop1h 44mUnited Airlines
Sat 11/86:25 pmORD - PIT
Nonstop1h 40mUnited Airlines
Deal found 9/15$157
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:31 pmPIT - ORD
Nonstop1h 43mAmerican Airlines
Mon 10/208:50 pmORD - PIT
Nonstop1h 29mAmerican Airlines
Deal found 9/14$158
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:45 amPIT - ORD
1 stop12h 53mSpirit Airlines
Sat 10/1811:55 amORD - PIT
1 stop10h 21mSpirit Airlines
Deal found 9/14$162
This Orbitz deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:45 amPIT - ORD
1 stop12h 53mMultiple Airlines
Fri 10/178:44 amORD - PIT
1 stop10h 47mMultiple Airlines
Deal found 9/15$164

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pittsburgh to O'Hare Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Pittsburgh to Chicago O'Hare Intl Airport that are best for you.

Fly from

Pittsburgh

Fly to

O'Hare Intl

Route

Depart

Return

Price

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Tue 10/14

7:00 pm-7:50 pm

Nonstop1h 50m

Chicago O'Hare Intl

Tue 10/21

10:35 am-1:05 pm

Nonstop1h 30m

$97

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Tue 10/14

2:07 pm-2:51 pm

Nonstop1h 44m

Chicago O'Hare Intl

Thu 10/16

10:35 am-1:05 pm

Nonstop1h 30m

$97

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Thu 11/13

11:00 am-11:44 am

Nonstop1h 44m

Chicago O'Hare Intl

Sat 11/15

7:25 am-9:54 am

Nonstop1h 29m

$97

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Mon 10/20

6:00 am-12:45 pm

1 stop7h 45m

Chicago O'Hare Intl

Wed 10/22

3:10 pm-9:30 pm

1 stop5h 20m

$122

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Sat 11/1

7:01 am-7:45 am

Nonstop1h 44m

Chicago O'Hare Intl

Sat 11/1

6:25 pm-9:05 pm

Nonstop1h 40m

$157

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Mon 10/13

4:05 pm-4:55 pm

Nonstop1h 50m

Chicago O'Hare Intl

Thu 10/16

12:45 pm-3:24 pm

Nonstop1h 39m

$157

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Tue 10/14

7:05 am-7:48 am

Nonstop1h 43m

Chicago O'Hare Intl

Fri 10/17

7:25 am-10:01 am

Nonstop1h 36m

$158

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Tue 10/7

7:00 pm-7:50 pm

Nonstop1h 50m

Chicago O'Hare Intl

Fri 10/10

7:25 am-10:02 am

Nonstop1h 37m

$158

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Sat 10/25

10:50 am-2:58 pm

1 stop5h 08m

Chicago O'Hare Intl

Tue 10/28

6:00 am-12:11 pm

1 stop5h 11m

$177

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Tue 10/14

6:36 pm-11:58 pm

1 stop6h 22m

Chicago O'Hare Intl

Tue 10/21

9:30 am-5:40 pm

1 stop7h 10m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 21 results
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The best insider tips for Pittsburgh to Chicago O'Hare Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Pittsburgh to Chicago O'Hare Intl Airport trip
Airports
PIT

Arrive early at PIT due to ongoing construction and potential security delays, especially for morning flights.

Read more about PITby John Walton
ORD

For a quick city transfer, take the 'L' train from ORD to downtown Chicago, avoiding traffic delays.

Read more about ORDby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on ORD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
John Walton

John Walton

Expert on PIT

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more

Best time to book a flight from Pittsburgh to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Pittsburgh with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Pittsburgh to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Pittsburgh to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Pittsburgh to O'Hare Intl. Price data was last updated on September 12, 2025.

The best time to book flights from Pittsburgh to Chicago O'Hare Intl Airport is 55 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Pittsburgh to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Pittsburgh to Chicago O'Hare Intl Airport (average of $245). Flying from Pittsburgh to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PIT to ORD?

Find hourly flight availability from Pittsburgh to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

It’s optimal to fly from Pittsburgh to Chicago O'Hare Intl Airport in the evening. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Pittsburgh to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Pittsburgh to O'Hare Intl. Price data was last updated on September 14, 2025.

Travelers seeking maximum savings on their Pittsburgh to Chicago O'Hare Intl Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Pittsburgh to Chicago O'Hare Intl Airport?

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated September 16, 2025.
See what other customers who have flown with United Airlines and American Airlines from Pittsburgh to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,924 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,924 reviews
United Airlines
7.4
Good
8,924 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,924 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Pittsburgh to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Pittsburgh to Chicago O'Hare Intl?

    For a flight from Pittsburgh to Chicago O'Hare Intl, you will be flying from Pittsburgh. Pittsburgh (PIT) is just 13.5 mi from the center of the city. Pittsburgh is the only Pittsburgh airport and it handles 50 outbound flights to Chicago O'Hare Intl per day. 2 airlines have flights to Chicago O'Hare Intl from Pittsburgh on a regular basis.

  • How long is the flight from Pittsburgh to Chicago O'Hare Intl Airport?

    United Airlines and Southwest can get you from Pittsburgh to Chicago O'Hare Intl Airport in just under 1h 50m. Your travel time can differ by up to 5h 55m. There are 411 mi between Pittsburgh and Chicago O'Hare Intl Airport. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Pittsburgh to Chicago O'Hare Intl Airport round-trip?

    Cheapflights users have booked flights from Pittsburgh to Chicago O'Hare Intl Airport round-trip from $93. Another airline that can offer you cheap pricing is United Airlines. You may be able to fly from Pittsburgh to Chicago O'Hare Intl Airport for 69% less than the average price by searching for these airlines.

  • What are the most reliable airlines from Pittsburgh to Chicago O'Hare Intl Airport?

    Before booking your flight to Chicago O'Hare Intl Airport from Pittsburgh, check out the most reliable airlines to get you to your destination on time: Copa Airlines (93%), Envoy Air (92%), Avianca( 90%).

  • What are the cheapest flights from Pittsburgh to Chicago O'Hare Intl Airport?

    While on average a flight from Pittsburgh to Chicago O'Hare Intl Airport is generally $792, our data shows the cheapest flight currently is $99. When looking at the most popular route, (Pittsburgh - Chicago O'Hare Intl), you can expect to pay $97 for that flight.

  • Can I find deals for flights from Pittsburgh to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Pittsburgh to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pittsburgh to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pittsburgh to O'Hare Intl.

  • Can I find deals for business class flights from Pittsburgh to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Pittsburgh to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Pittsburgh to Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Pittsburgh to Chicago O'Hare Intl Airport (average of $245). Flying from Pittsburgh to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Skokie
Gurnee
Hoffman Estates
Des Plaines
Elgin
Arlington Heights
Orland Park
Beloit
Racine
Rockford
Oak Brook
Elk Grove Village
Downers Grove
Naperville
Evanston
Merrillville
Bridgeview
Warrenville

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Alternative routes for Pittsburgh to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Pittsburgh to O'Hare Intl

Discover the top 2 airlines that operate flights from Pittsburgh to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$93Average$299FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$130Average$319FlexibilityNo cancel feeOn-time69%

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