Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Pittsburgh to Chicago from $45

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 2/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Pittsburgh to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:00 am - 7:51 am
PIT
-
ORD
1h 51mnonstop
United Airlines Logo
2:07 pm - 4:44 pm
ORD
-
PIT
1h 37mnonstop
$171United Airlines
Sat, Feb 7 - Sat, Feb 7
Southwest Logo
5:30 am - 12:15 pm
PIT
-
ORD
7h 45m
1 stop
Southwest Logo
1:45 pm - 8:45 pm
ORD
-
PIT
6h 00m
1 stop
$172Southwest
Thu, Feb 5 - Tue, Feb 24
Spirit Airlines Logo
10:45 am - 9:03 pm
PIT
-
ORD
11h 18m
2 stops
Spirit Airlines Logo
8:43 pm - 9:40 am
ORD
-
PIT
11h 57m
1 stop
$173Spirit Airlines
Wed, Feb 4 - Fri, Feb 6
Delta Logo
12:20 pm - 6:01 pm
PIT
-
ORD
6h 41m
1 stop
Delta Logo
2:12 pm - 9:20 pm
ORD
-
PIT
6h 08m
1 stop
$174Delta
Sat, Feb 28 - Wed, Mar 4
Spirit Airlines Logo
6:15 pm - 11:22 am
PIT
-
ORD
18h 07m
1 stop
Spirit Airlines Logo
5:15 am - 8:14 pm
ORD
-
PIT
13h 59m
1 stop
$177Spirit Airlines
Mon, Feb 2 - Thu, Feb 26
JetBlue Logo
9:00 am - 5:43 pm
PIT
-
ORD
9h 43m
1 stop
JetBlue Logo
7:45 am - 2:41 pm
ORD
-
PIT
5h 56m
1 stop
$179JetBlue
Sat, Feb 7 - Mon, Feb 9
Multiple Airlines Logo
6:00 am - 11:22 am
PIT
-
ORD
30h 22m
1 stop
Multiple Airlines Logo
12:00 pm - 11:44 pm
ORD
-
PIT
10h 44m
1 stop
$180Multiple Airlines
Wed, Jan 28 - Sat, Jan 31
Spirit Airlines Logo
6:15 pm - 11:22 am
PIT
-
ORD
18h 07m
1 stop
Spirit Airlines Logo
8:59 am - 11:59 pm
ORD
-
PIT
14h 00m
2 stops
$181Spirit Airlines
Mon, Feb 2 - Thu, Feb 26
Multiple Airlines Logo
9:09 pm - 11:03 pm
PIT
-
ORD
26h 54m
1 stop
Multiple Airlines Logo
8:16 pm - 11:59 pm
ORD
-
PIT
26h 43m
1 stop
$182Multiple Airlines
Thu, Feb 19 - Mon, Feb 23
Spirit Airlines Logo
6:15 pm - 11:47 am
PIT
-
ORD
18h 32m
2 stops
Spirit Airlines Logo
7:00 am - 11:25 pm
ORD
-
PIT
15h 25m
2 stops
$183Spirit Airlines
Mon, Feb 2 - Wed, Feb 25

Delta flights from Pittsburgh to Chicago O'Hare Intl Airport

Our best Delta deals on Pittsburgh to Chicago O'Hare Intl Airport flight tickets
Delta
Feb 28
PIT12:20 pmPittsburgh
6h 41m
1 stop
ORD6:01 pmChicago O'Hare Intl
Mar 4
ORD2:12 pmChicago O'Hare Intl
6h 08m
1 stop
PIT9:20 pmPittsburgh
$174
Delta
Mar 30
PIT5:25 pmPittsburgh
5h 09m
1 stop
ORD9:34 pmChicago O'Hare Intl
Apr 7
ORD10:40 amChicago O'Hare Intl
5h 00m
1 stop
PIT4:40 pmPittsburgh
$184
Delta
Feb 7
PIT6:32 amPittsburgh
4h 53m
1 stop
ORD10:25 amChicago O'Hare Intl
Feb 7
ORD5:35 pmChicago O'Hare Intl
5h 07m
1 stop
PIT11:42 pmPittsburgh
$191

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

Our best American Airlines deals on Pittsburgh to Chicago O'Hare Intl Airport flight tickets
American Airlines
Feb 28
PIT5:19 pmPittsburgh
7h 39m
1 stop
ORD11:58 pmChicago O'Hare Intl
Mar 4
ORD5:54 pmChicago O'Hare Intl
1h 34m
PIT8:28 pmPittsburgh
$192
American Airlines
Feb 28
PIT6:30 amPittsburgh
1h 53m
ORD7:23 amChicago O'Hare Intl
Mar 4
ORD9:05 amChicago O'Hare Intl
1h 40m
PIT11:45 amPittsburgh
$199
American Airlines
Feb 3
PIT5:00 pmPittsburgh
2h 09m
ORD6:09 pmChicago O'Hare Intl
Feb 5
ORD5:32 pmChicago O'Hare Intl
4h 57m
1 stop
PIT11:29 pmPittsburgh
$202

momondo Fare Finder

 
Customize your flight search to find flights from Pittsburgh to Chicago O'Hare Intl Airport 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, momondo users made 832,500 searches. Data last updated January 15, 2026.
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

Sat 2/7

7:00 am-7:51 am

Nonstop1h 51m

Chicago O'Hare Intl

Sat 2/7

2:07 pm-4:44 pm

Nonstop1h 37m

$171

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Thu 2/5

5:30 am-12:15 pm

1 stop7h 45m

Chicago O'Hare Intl

Tue 2/24

1:45 pm-8:45 pm

1 stop6h 00m

$172

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Wed 2/4

10:45 am-9:03 pm

2 stops11h 18m

Chicago O'Hare Intl

Fri 2/6

8:43 pm-9:40 am

1 stop11h 57m

$173

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Sat 2/28

12:20 pm-6:01 pm

1 stop6h 41m

Chicago O'Hare Intl

Wed 3/4

2:12 pm-9:20 pm

1 stop6h 08m

$174

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Mon 2/2

6:15 pm-11:22 am

1 stop18h 07m

Chicago O'Hare Intl

Thu 2/26

5:15 am-8:14 pm

1 stop13h 59m

$177

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Sat 2/7

9:00 am-5:43 pm

1 stop9h 43m

Chicago O'Hare Intl

Mon 2/9

7:45 am-2:41 pm

1 stop5h 56m

$179

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Wed 1/28

6:00 am-11:22 am

1 stop30h 22m

Chicago O'Hare Intl

Sat 1/31

12:00 pm-11:44 pm

1 stop10h 44m

$180

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Mon 2/2

6:15 pm-11:22 am

1 stop18h 07m

Chicago O'Hare Intl

Thu 2/26

8:59 am-11:59 pm

2 stops14h 00m

$181

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Thu 2/19

9:09 pm-11:03 pm

1 stop26h 54m

Chicago O'Hare Intl

Mon 2/23

8:16 pm-11:59 pm

1 stop26h 43m

$182

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Mon 2/2

6:15 pm-11:47 am

2 stops18h 32m

Chicago O'Hare Intl

Wed 2/25

7:00 am-11:25 pm

2 stops15h 25m

$183

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 cheapest month to fly to Chicago O'Hare Intl Airport?

The month of October is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Pittsburgh averaging around $277.

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 $438. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday 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 $605.

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 $696. 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 $304 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 $177 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 January 2026, prices for Pittsburgh to Chicago O'Hare Intl Airport flights are approximately 25% more expensive 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

$203

Fastest flight time

1h 40m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Pittsburgh in the past 72 hours is $203. The best round-trip flight deal from Pittsburgh to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $324.
The fastest flight from Pittsburgh to Chicago O'Hare Intl Airport takes 1h 40m
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 40m 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $91Free CancellationRating
7.2
11,136 reviews
Search American Airlines flights
United AirlinesPriceFrom $106Free CancellationRating
7.4
9,164 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 $303, with the best United Airlines deals starting from $106 round-trip. 9,164 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, 11,136 ratings). American Airlines flies from Pittsburgh to Chicago O'Hare Intl Airport around 20 times per week, with deals starting from $91 round-trip and rising to an average price of around $293.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
South Haven
Rockford
Merrillville
Gurnee
Rosemont
Naperville
Kenosha
New Buffalo
Joliet
Oak Brook
Orland Park
Racine
Hammond
Janesville
Tinley Park
Elgin
Aurora
South Holland

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

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 2/14
Sat 2/21
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Chicago