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

Southwest, United Airlines, and Spirit Airlines are the most popular carriers operating from Pittsburgh to Chicago O'Hare Intl

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

The number of flights available between Pittsburgh and Chicago O'Hare Intl Airport is 257 per week as of October 2025. The most frequent departure day is Mon, with 21% of weekly flights leaving on this day.

How often are flights from Pittsburgh to Chicago delayed?

Historically, on average around 7% of flights between Pittsburgh and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 138 minutes.

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

As of October 2025, there are 36 flights per day flying from Pittsburgh to Chicago O'Hare Intl Airport. The most common time of day flights depart is 8:00AM, with 45% of 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. Friday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Breeze Airways have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

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

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

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

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

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

The number of operators available for flights from Pittsburgh Airport to Chicago O'Hare Intl Airport is 2 as of October 2025.

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

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

The travel and health documents you'll need for your trip to Chicago O'Hare Intl 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 Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$61 Cheap Flights from Pittsburgh to Chicago O'Hare Intl Airport in 2025/26

Q: What is the typical price of a round-trip flight between Pittsburgh and Chicago O'Hare Intl Airport?

Prices are currently low for flights on this route. Typical prices usually range from $267 to $467. The lowest price recently found on this route was $130.

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Cheap round-trip flights

Enter your travel dates to find the best prices.

2:38 pm - 8:42 pmPIT-ORD

7h 04m1 stop

6:00 am - 4:35 pmORD-PIT

9h 35m1 stop

$130Frontier

Find Deal

Mon, Nov 10 - Mon, Nov 17

10:06 pm - 12:45 pmPIT-ORD

15h 39m1 stop

6:40 am - 6:21 amORD-PIT

22h 41m1 stop

$134Multiple Airlines

Find Deal

Fri, Nov 7 - Sun, Nov 9

7:00 am - 7:44 amPIT-ORD

1h 44mnonstop

7:32 am - 10:07 amORD-PIT

1h 35mnonstop

$137United Airlines

Find Deal

Wed, Dec 10 - Thu, Dec 11

8:15 am - 9:12 amPIT-ORD

1h 57mnonstop

7:20 pm - 10:00 pmORD-PIT

1h 40mnonstop

$138American Airlines

Find Deal

Mon, Dec 8 - Mon, Dec 15

4:53 pm - 5:56 pmPIT-ORD

2h 03mnonstop

1:48 pm - 4:28 pmORD-PIT

1h 40mnonstop

$139American Airlines

Find Deal

Tue, Dec 9 - Tue, Dec 16

12:14 pm - 12:27 amPIT-ORD

13h 13m1 stop

10:52 am - 9:11 pmORD-PIT

9h 19m1 stop

$140Spirit Airlines

Find Deal

Mon, Nov 10 - Wed, Nov 12

2:38 pm - 8:42 pmPIT-ORD

7h 04m1 stop

6:00 am - 4:35 pmORD-PIT

9h 35m1 stop

$143Frontier

Find Deal

Mon, Nov 10 - Fri, Nov 14

10:53 am - 8:01 pmPIT-ORD

10h 08m1 stop

3:26 pm - 12:41 amORD-PIT

8h 15m1 stop

$147Spirit Airlines

Find Deal

Thu, Dec 11 - Sat, Dec 13

6:00 am - 1:10 pmPIT-ORD

8h 10m1 stop

2:05 pm - 11:53 pmORD-PIT

8h 48m1 stop

$155JetBlue

Find Deal

Thu, Jan 22 - Mon, Jan 26

7:00 am - 7:44 amPIT-ORD

1h 44mnonstop

2:10 pm - 4:40 pmORD-PIT

1h 30mnonstop

$178United Airlines

Find Deal

Thu, Dec 11 - Sat, Dec 13

Frontier flights from Pittsburgh to Chicago O'Hare Intl Airport

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

Frontier

Nov 10

PIT2:38 pmPittsburgh

7h 04m

1 stop

ORD8:42 pmChicago O'Hare Intl

Nov 17

ORD6:00 amChicago O'Hare Intl

9h 35m

1 stop

PIT4:35 pmPittsburgh

$130

Find similar

Frontier

Nov 10

PIT2:38 pmPittsburgh

7h 04m

1 stop

ORD8:42 pmChicago O'Hare Intl

Nov 14

ORD6:00 amChicago O'Hare Intl

9h 35m

1 stop

PIT4:35 pmPittsburgh

$143

Find similar

Frontier

Oct 31

PIT5:30 pmPittsburgh

7h 46m

1 stop

ORD12:16 amChicago O'Hare Intl

Nov 3

ORD8:26 amChicago O'Hare Intl

4h 27m

1 stop

PIT1:53 pmPittsburgh

$176

Find similar

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

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

United Airlines

Dec 10

PIT7:00 amPittsburgh

1h 44m

ORD7:44 amChicago O'Hare Intl

Dec 11

ORD7:32 amChicago O'Hare Intl

1h 35m

PIT10:07 amPittsburgh

$137

Find similar

United Airlines

Dec 11

PIT7:00 amPittsburgh

1h 44m

ORD7:44 amChicago O'Hare Intl

Dec 13

ORD2:10 pmChicago O'Hare Intl

1h 30m

PIT4:40 pmPittsburgh

$178

Find similar

United Airlines

Oct 31

PIT2:11 pmPittsburgh

1h 44m

ORD2:55 pmChicago O'Hare Intl

Nov 3

ORD10:48 amChicago O'Hare Intl

21h 50m

2 stops

PIT9:38 amPittsburgh

$288

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Mon 11/10

2:38 pm-8:42 pm

1 stop7h 04m

Chicago O'Hare Intl

Mon 11/17

6:00 am-4:35 pm

1 stop9h 35m

$130

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Fri 11/7

10:06 pm-12:45 pm

1 stop15h 39m

Chicago O'Hare Intl

Sun 11/9

6:40 am-6:21 am

1 stop22h 41m

$134

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Wed 12/10

7:00 am-7:44 am

Nonstop1h 44m

Chicago O'Hare Intl

Thu 12/11

7:32 am-10:07 am

Nonstop1h 35m

$137

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Mon 12/8

8:15 am-9:12 am

Nonstop1h 57m

Chicago O'Hare Intl

Mon 12/15

7:20 pm-10:00 pm

Nonstop1h 40m

$138

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Tue 12/9

4:53 pm-5:56 pm

Nonstop2h 03m

Chicago O'Hare Intl

Tue 12/16

1:48 pm-4:28 pm

Nonstop1h 40m

$139

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Mon 11/10

12:14 pm-12:27 am

1 stop13h 13m

Chicago O'Hare Intl

Wed 11/12

10:52 am-9:11 pm

1 stop9h 19m

$140

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Mon 11/10

2:38 pm-8:42 pm

1 stop7h 04m

Chicago O'Hare Intl

Fri 11/14

6:00 am-4:35 pm

1 stop9h 35m

$143

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Thu 12/11

10:53 am-8:01 pm

1 stop10h 08m

Chicago O'Hare Intl

Sat 12/13

3:26 pm-12:41 am

1 stop8h 15m

$147

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Thu 1/22

6:00 am-1:10 pm

1 stop8h 10m

Chicago O'Hare Intl

Mon 1/26

2:05 pm-11:53 pm

1 stop8h 48m

$155

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Thu 12/11

7:00 am-7:44 am

Nonstop1h 44m

Chicago O'Hare Intl

Sat 12/13

2:10 pm-4:40 pm

Nonstop1h 30m

$178

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 Pittsburgh 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 typical price of a round-trip flight between Pittsburgh and Chicago O'Hare Intl Airport?

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

The month of May is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Pittsburgh averaging around $282.

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 Thursday when prices can be found for as low as $452. 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 Pittsburgh because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $592.

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 Pittsburgh in the evening is the least expensive time of day to depart. momondo users have found prices as low as $439 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $722. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from Pittsburgh to Chicago O'Hare Intl for the best Pittsburgh - 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 Pittsburgh when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $311 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 Pittsburgh for as low as $202 on momondo.

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

There are 4 cabin classes available to choose from on Pittsburgh 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.

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

As of October 2025, prices for Pittsburgh to Chicago O'Hare Intl Airport flights are approximately 30% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Pittsburgh 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 Pittsburgh to Chicago O'Hare Intl Airport (PIT to ORD) flight deals and tips

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

Best Price Found	$190
Fastest flight time	1h 42m
Direct flights	Every day

The best one-way flight to Chicago O'Hare Intl Airport from Pittsburgh in the past 72 hours is $190. The best round-trip flight deal from Pittsburgh to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $326.

The fastest flight from Pittsburgh to Chicago O'Hare Intl Airport takes 1h 42m

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

Search flight deals

How far is Pittsburgh to Chicago O'Hare Intl by plane?
Pittsburgh and Chicago O'Hare Intl are 424.1 mi apart from one another. 1h 44m is a normal flight duration for this route.
When did momondo last update prices for flights from Pittsburgh Airport to Chicago O'Hare Intl Airport?
Prices for flights from Pittsburgh Airport to Chicago O'Hare Intl Airport refresh daily.
How many operators does momondo search for flights from Pittsburgh Airport to Chicago O'Hare Intl Airport?
The number of operators available for flights from Pittsburgh Airport to Chicago O'Hare Intl Airport is 2 as of October 2025.
How old do you have to be to fly from Pittsburgh Airport 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 Pittsburgh Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The travel and health documents you'll need for your trip to Chicago O'Hare Intl 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 Chicago O'Hare Intl 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 Pittsburgh to Chicago O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Pittsburgh to Chicago O'Hare Intl Airport is Boeing 737-800 (18.48% of total bookings). The next most popular plane models are Embraer 175 (Enhanced Winglets) (11.95%), Embraer 175 (11.95%), and Boeing 737 MAX 8 (10.77%).
What is the most popular airline from Pittsburgh to Chicago O'Hare Intl Airport?
Based on momondo bookings for flights between Pittsburgh and Chicago O'Hare Intl Airport, the leading airline is United Airlines, making up 54% of the total bookings. Other popular airlines include American Airlines with 46%.

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

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $93	Free Cancellation	Rating 7.2 11,030 reviews		Search American Airlines flights
United Airlines	PriceFrom $127	Free Cancellation	Rating 7.4 8,999 reviews		Search United Airlines flights

United Airlines Flights From Pittsburgh to Chicago O'Hare Intl Airport
Across 25 United Airlines flights from Pittsburgh to Chicago O'Hare Intl Airport this week, the average price was $322, with the best United Airlines deals starting from $127 round-trip. 8,999 users have rated United Airlines on momondo, with an average score of 7.4/10.
American Airlines Flights From Pittsburgh to Chicago O'Hare Intl Airport
Another popular option for Pittsburgh to Chicago O'Hare Intl Airport flights is American Airlines (7.2/10, 11,030 ratings). American Airlines flies from Pittsburgh to Chicago O'Hare Intl Airport around 15 times per week, with deals starting from $93 round-trip and rising to an average price of around $297.

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Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Pittsburgh to Chicago. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Pittsburgh to Chicago flights to just show those with flexible booking policies.

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

Once you have performed a search for Pittsburgh to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Pittsburgh to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

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

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Cheap flights from Pittsburgh to Chicago from $61

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pittsburgh to Chicago departing on 12/31. 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 Pittsburgh to Chicago O'Hare Intl Airport

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

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

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

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Use the filters below to find and compare flights from Pittsburgh 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 Pittsburgh 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

What is the typical price of a round-trip flight between Pittsburgh and Chicago O'Hare Intl Airport?

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

The month of May is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Pittsburgh averaging around $282.

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 Pittsburgh to Chicago O'Hare Intl flight route?

Fly from Pittsburgh to Chicago O'Hare Intl for the best Pittsburgh - 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 Pittsburgh to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on Pittsburgh 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.

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

As of October 2025, prices for Pittsburgh to Chicago O'Hare Intl Airport flights are approximately 30% cheaper when compared to flights at the same time last year.

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

Southwest, United Airlines, and Spirit Airlines are the most popular carriers operating from Pittsburgh to Chicago O'Hare Intl

How often are flights from Pittsburgh to Chicago delayed?

Historically, on average around 7% of flights between Pittsburgh and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 138 minutes.

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

Generally, flights departing at night 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. Friday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Breeze Airways have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

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

As of October 2025, there are 36 flights per day flying from Pittsburgh to Chicago O'Hare Intl Airport. The most common time of day flights depart is 8:00AM, with 45% of flights taking off in the afternoon.

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

The number of flights available between Pittsburgh and Chicago O'Hare Intl Airport is 257 per week as of October 2025. The most frequent departure day is Mon, with 21% of weekly flights leaving on this day.

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

Cheap Pittsburgh to Chicago O'Hare Intl Airport (PIT to ORD) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

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

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

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

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

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

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

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

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

American Airlines Flights From Pittsburgh 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 Pittsburgh to Chicago?

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

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

I’m not ready to book a flight from Pittsburgh 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

Popular flights according to clicks in the last 7 days on momondo