Pittsburgh

$69+ Cheap flights from Illinois to Pittsburgh (PIT)

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PIT
Jul 9 — Jul 161
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Pittsburgh with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Illinois to Pittsburgh

Cheapest flights from Illinois to Pittsburgh
Explore the most affordable flight options available from Illinois to Pittsburgh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.

This JetBlue deal was found by Cheapflights users on 6/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:56 am
ORD
-
PIT
1 stop7h 27m
JetBlue
Wed 9/212:58 pm
PIT
-
ORD
1 stop7h 27m
JetBlue
Deal found 6/7$187
This Delta deal was found by Cheapflights users on 6/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1611:30 am
ORD
-
PIT
1 stop7h 57m
Delta
Thu 9/177:31 pm
PIT
-
ORD
1 stop5h 28m
Delta
Deal found 6/4$189
This Southwest deal was found by Cheapflights users on 6/5. 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.
Thu 8/65:55 am
MDW
-
PIT
1 stop5h 40m
Southwest
Mon 8/107:30 pm
PIT
-
MDW
Nonstop1h 20m
Southwest
Deal found 6/5$191
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Sat 8/157:10 am
ORD
-
PIT
Nonstop1h 39m
United Airlines
Thu 8/208:45 am
PIT
-
ORD
Nonstop1h 49m
United Airlines
Deal found 6/5$191
This KAYAK deal was found by Cheapflights users on 6/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:20 am
ORD
-
PIT
Nonstop1h 47m
American Airlines
Wed 7/86:23 am
PIT
-
ORD
Nonstop1h 58m
American Airlines
Deal found 6/5$193
This JetBlue deal was found by Cheapflights users on 6/4. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/115:27 pm
ORD
-
PIT
1 stop5h 19m
JetBlue
Wed 7/1511:53 am
PIT
-
ORD
1 stop8h 22m
JetBlue
Deal found 6/4$194
This United Airlines deal was found by Cheapflights users on 6/4. 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 9/18:00 am
STL
-
PIT
1 stop4h 15m
United Airlines
Wed 9/27:00 am
PIT
-
STL
1 stop6h 02m
United Airlines
Deal found 6/4$196
This American Airlines deal was found by Cheapflights users on 6/5. 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.
Tue 9/16:00 am
STL
-
PIT
1 stop7h 57m
American Airlines
Wed 9/25:21 am
PIT
-
STL
1 stop6h 31m
American Airlines
Deal found 6/5$201
This Delta deal was found by Cheapflights users on 6/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:42 pm
MDW
-
PIT
1 stop4h 22m
Delta
Mon 8/106:19 pm
PIT
-
MDW
1 stop5h 17m
Delta
Deal found 6/4$201
This Delta deal was found by Cheapflights users on 6/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:20 pm
ORD
-
PIT
1 stop5h 44m
Delta
Mon 8/101:57 pm
PIT
-
ORD
1 stop5h 52m
Delta
Deal found 6/4$201
This JetBlue deal was found by Cheapflights users on 6/6. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:56 am
ORD
-
PIT
1 stop7h 27m
JetBlue
Fri 8/1412:58 pm
PIT
-
ORD
1 stop7h 27m
JetBlue
Deal found 6/6$203
This United Airlines deal was found by Cheapflights users on 6/4. 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 7/2812:40 pm
ORD
-
PIT
Nonstop1h 43m
United Airlines
Wed 7/2910:54 am
PIT
-
ORD
Nonstop1h 48m
United Airlines
Deal found 6/4$204

Find flight deals from Illinois to Pittsburgh

Keep the following information in mind while searching for Illinois to Pittsburgh flight deals. Data was last updated June 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$187
(JetBlue)

One-way from

$69
(Southwest)

Popular in

February

Cheapest in

August

Average price

$354

Good round-trip deal

$240 or less

Good one-way deal

$103 or less
Provider with most accurate pricing for Chicago (CHI)-Pittsburgh flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Pittsburgh flights.
From Illinois to Pittsburgh
One-way flight from Illinois to Pittsburgh
Highest demand for flights based on searches. 19% potential increase in price ($76 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Illinois to Pittsburgh.
Price to beat on a one-way flight from Illinois to Pittsburgh.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Pittsburgh 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 June 9, 2026.
Use the filters below to find and compare flights from Illinois to Pittsburgh that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoPittsburgh

ORD - PIT

ORDPIT

Chicago O'Hare Intl

Thu 8/13

6:40 am-12:52 pm

1 stop5h 12m

Pittsburgh

Mon 8/17

7:05 am-12:40 pm

1 stop6h 35m

$211

St. LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Tue 12/1

6:15 pm-8:50 pm

Nonstop1h 35m

Pittsburgh

Fri 12/4

5:25 am-1:10 pm

1 stop8h 45m

$236

ChicagoPittsburgh

ORD - PIT

ORDPIT

Chicago O'Hare Intl

Sat 7/25

5:27 pm-11:46 pm

1 stop5h 19m

Pittsburgh

Tue 7/28

11:53 am-7:15 pm

1 stop8h 22m

$239

ChicagoPittsburgh

ORD - PIT

ORDPIT

Chicago O'Hare Intl

Mon 7/20

10:30 am-1:14 pm

Nonstop1h 44m

Pittsburgh

Wed 7/22

8:36 am-9:30 am

Nonstop1h 54m

$240

ChicagoPittsburgh

ORD - PIT

ORDPIT

Chicago O'Hare Intl

Mon 7/20

7:05 am-11:18 am

1 stop3h 13m

Pittsburgh

Wed 7/22

1:57 pm-8:33 pm

1 stop7h 36m

$260

St. LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Tue 9/1

10:25 am-1:05 pm

Nonstop1h 40m

Pittsburgh

Wed 9/2

6:00 am-2:20 pm

1 stop9h 20m

$267

ChicagoPittsburgh

ORD - PIT

ORDPIT

Chicago O'Hare Intl

Fri 7/3

6:22 pm-12:55 am

1 stop5h 33m

Pittsburgh

Sun 7/5

6:40 am-11:31 am

1 stop5h 51m

$271
Quickest round-trip

ChicagoPittsburgh

MDW - PIT

MDWPIT

Chicago Midway

Sun 6/28

6:55 pm-9:20 pm

Nonstop1h 25m

Pittsburgh

Sat 7/4

4:30 pm-5:00 pm

Nonstop1h 30m

$278

St. LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Wed 9/16

10:25 am-1:05 pm

Nonstop1h 40m

Pittsburgh

Sun 9/20

5:40 pm-11:00 pm

1 stop6h 20m

$280

ChicagoPittsburgh

ORD - PIT

ORDPIT

Chicago O'Hare Intl

Thu 8/13

3:48 pm-10:50 pm

1 stop6h 02m

Pittsburgh

Fri 8/14

4:15 pm-9:47 pm

1 stop6h 32m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/4

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Illinois to Pittsburgh

Have a flexible travel schedule? Discover the best time to fly to Pittsburgh from Illinois 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 Illinois to Pittsburgh

What is the cheapest month to book a flight from Illinois to Pittsburgh?

Currently, September is the cheapest month in which you can book a flight from Illinois to Pittsburgh (average of $67). Flying from Illinois to Pittsburgh in March is currently the most expensive (average of $163). 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 IL to PIT?

Find hourly flight availability from Illinois to Pittsburgh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 9, 2026.

When flying from Illinois to Pittsburgh, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 20% versus a flight in the evening.

Weekly flight availability from Illinois to Pittsburgh

Explore weekly flight availability from Illinois to Pittsburgh. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 9, 2026.

The most flights from USIL to PIT are scheduled on a Tuesday (57 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (23 on average).

How much does it cost to fly round-trip from Illinois to Pittsburgh?

How far ahead should I book a flight from Illinois to Pittsburgh?

The best time to book flights from Illinois to Pittsburgh is 35 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 day to fly from Illinois to Pittsburgh?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Pittsburgh. Price data was last updated on June 8, 2026.

Travelers seeking maximum savings on their Illinois to Pittsburgh flight should consider departing on Saturday mornings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Pittsburgh. 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 into for flights to Pittsburgh from Illinois?

    For a flight from Illinois to Pittsburgh, you will be flying into Pittsburgh. Pittsburgh (PIT) is just 13.5 mi from the center of the city.

  • How long is the flight from Illinois to Pittsburgh?

    For as low as $236, Delta can have you in Pittsburgh from Illinois in 1h 35m. Illinois and Pittsburgh are separated by a distance of 552 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Illinois to Pittsburgh one-way?

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $40. American Airlines flights start at $48 while deals on Frontier start at $72 one-way.

  • What are the most popular routes from Illinois to Pittsburgh?

  • What are the most reliable airlines from Illinois to Pittsburgh?

    Before booking your flight to Pittsburgh from Illinois, check out the most reliable airlines to get you to your destination on time: Avianca (97%), Republic Airways (90%), Royal Jordanian( 88%).

  • What are the cheapest flights from Illinois to Pittsburgh?

    The cheapest flight price from Illinois to Pittsburgh is $68. On average you can expect to pay $398. The most popular route, (Chicago O'Hare Intl - Pittsburgh), can usually be booked for $137.

  • Can I find deals for flights from Illinois to Pittsburgh that include hotel bookings?

    Yes. In addition to deals on Illinois to Pittsburgh flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Pittsburgh?

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

  • Can I find deals for business class flights from Illinois to Pittsburgh?

    Yes. Cheapflights offers flight deals from Illinois to Pittsburgh 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 Illinois to Pittsburgh?

    Currently, September is the cheapest month in which you can book a flight from Illinois to Pittsburgh (average of $67). Flying from Illinois to Pittsburgh in March is currently the most expensive (average of $163). 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 Pittsburgh?

Book flights to Pittsburgh if you plan to visit one of these locations
Mars
Chester
Washington
Steubenville
Monroeville
Wexford
Belle Vernon

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Pittsburgh

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Illinois to Pittsburgh

Discover the top 3 airlines that operate flights from Illinois to Pittsburgh. 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 June 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$97Average$422FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$116Average$311FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$131Average$358FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.