Cheap Flights from Chicago to Pittsburgh International

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Compare Chicago to Pittsburgh International flight deals

Find the cheapest month or even day of the year to fly to Pittsburgh International

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Flight deals from Chicago to Pittsburgh International

Looking for a cheap last-minute deal or the best return flight from Chicago to Pittsburgh International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago to Pittsburgh International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago to Pittsburgh International flights are currently cheapest in September.

Direct flights from Chicago to Pittsburgh International

Chicago to Pittsburgh International: Alternative routes

Compare routes from Chicago to Pittsburgh below. You may find an airport to fly into that's cheaper, faster, or easier than Pittsburgh International.

Chicago to Pittsburgh: Flight information

The things to know before you go.
Cheapest flight found96 €
Cheapest month to flySeptember
Average flight time1 hr, 30 mins
Most popular airlineAmerican Airlines
Average flights per week513

Finding cheap flights from Chicago to Pittsburgh International: Frequently asked questions

The best price we found for a return flight from Chicago to Pittsburgh International is 96 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 30 minutes is the average flight time from Chicago to Pittsburgh International.
American Airlines, Alaska Airlines and Southwest Airlines fly direct from Chicago to Pittsburgh International.
As of June 2025, there are 513 flights per week flying from Chicago to Pittsburgh International.
The cheapest month to fly from Chicago to Pittsburgh International is usually June 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Pittsburgh International Airport on Saturday, 6 September 2025.
Yes – the average flight time is 1 hour and 30 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Pittsburgh International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Pittsburgh is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Pittsburgh International is United .

Travelling from Chicago to Pittsburgh International Airport (PIT): what you need to know

  • Your next great adventure starts at one of Chicago's main airports, O'Hare International Airport (ORD) or Chicago Midway International Airport (MDW). Explore your options for booking a flight from Chicago to Pittsburgh International Airport (PIT) taking off from either of these bases.

  • 1 hour 32 minutes is the average time for a direct flight from Chicago to Pittsburgh International Airport.

  • Pittsburgh is 1 hour ahead of Chicago. Pittsburgh International Airport is located in Pittsburgh, which operates on the UTC-4 timezone.

  • The most popular route is from O'Hare International Airport (ORD) to Pittsburgh International Airport (PIT), with 83 direct services every week. If you want to get going as soon as possible, the earliest flight from ORD to PIT is the 07:15 United option. If you prefer to leave later in the day, the final departure is at 22:25 with Southwest Airlines.

  • For stress-free travel, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you can comfortably board your flight from Chicago to PIT.

  • Travelling during a peak time like August? Popular seasons (like summer, Thanksgiving, Christmas and spring break) can easily add another hour at check-in and security. Play things extra safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

Airports in Chicago

O'Hare International Airport (ORD)

  • Take the express route from O'Hare International Airport (ORD). Direct flights from Chicago to Pittsburgh International Airport (PIT) can be booked from here.

  • United is a well-known airline that operates direct flights from Chicago to Pittsburgh International Airport taking off from ORD.

  • The distance from central Chicago to ORD is about 40 kilometres. Use Google Maps for the fastest way to get there, whether in your own car or with public transport.

  • Booked an early flight from Chicago to Pittsburgh International Airport? Avoid the hassle of rushing to the terminal (and sneak in some extra precious sleep) by picking one of these hotels near O'Hare International Airport:

Chicago Midway International Airport (MDW)

  • Want other options for a direct flight from Chicago to Pittsburgh International Airport (PIT)? Browse the fares jetting out of Chicago Midway International Airport (MDW).

  • United offers direct flights from Chicago to PIT departing from MDW. Book your preferred window (or aisle) seat and get to your destination in a single stretch.

  • You can reach MDW from the centre of Chicago in approximately 21 minutes by car (depending on traffic conditions). The journey on public transport will take roughly 46 minutes to travel the 19 kilometres or so.

  • Want to treat yourself to an extra night away before boarding your flight from Chicago to PIT? Relax in a hotel near Chicago Midway International Airport before your break officially begins. These stays are calling your name:

About Pittsburgh International Airport (PIT)

Getting from Pittsburgh International Airport (PIT) to central Pittsburgh

  • From Pittsburgh International Airport, Pittsburgh is approximately 27 kilometres away. It takes around 24 minutes to reach the centre driving.

How to find the cheapest flights from Chicago to Pittsburgh International Airport (PIT)

  • Pick up a one-way ticket from Chicago to Pittsburgh International Airport from 48 € or travel return from just 96 €. The prices shown are based on availability and could change when you book.

  • 8 months is how far we recommend booking ahead to find cheap tickets from Chicago to PIT.

  • To score the lowest price on your tickets from Chicago to Pittsburgh International Airport, plan your trip for May (it has the cheapest flights). Not locked into specific dates? Use the 'Whole month' search tool to see the most affordable day to fly.

  • Log into your online account or use the app to set up a Price Alert. You'll be notified right away if there's a deal you can't miss. It's easy to do, and it'll save you the hassle of searching for cheap tickets from Chicago to PIT every day.

  • Tailor your trip with filters. Choose your ideal departure and arrival times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Chicago to Pittsburgh International Airport.

The best time to fly from Chicago to Pittsburgh International Airport (PIT)

  • July is the most popular month to hop on a flight from Chicago to Pittsburgh International Airport while April is the quietest. To work out the best time to go to Pittsburgh, consider the pace you prefer to travel at.

  • When booking your flight from Chicago to PIT, think about the kind of weather you enjoy. July is the warmest month in Pittsburgh, with the temperature ranging from 15ºC to 31ºC.

  • Visit in January if you want to explore when it's cooler. Temperatures average between -10ºC and 6ºC. However, this city delivers on a good time whenever you book your cheap flights from Chicago to Pittsburgh International Airport.

More about Pittsburgh

Complete your Pittsburgh trip with a car rental

  • Finding you a cheap flight from Chicago to Pittsburgh International Airport isn't the only thing we're good at. Check out our car rentals in Pittsburgh and have more freedom to explore. We find deals from trusted car rental companies and put them all in one place. Instantly compare rates and then book with no fees.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.