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$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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PIT
Apr 18 — Apr 251
Sat 4/18
Sat 4/25
1 adult, Economy
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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 March 19, 2026.

This American Airlines deal was found by Cheapflights users on 3/17. 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 6/412:35 pm
ORD
-
PIT
Nonstop1h 34m
American Airlines
Mon 6/88:38 pm
PIT
-
ORD
Nonstop2h 02m
American Airlines
Deal found 3/17$179
This Southwest deal was found by Cheapflights users on 3/18. 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 4/132:10 pm
MDW
-
PIT
2 stops8h 00m
Southwest
Wed 4/226:55 pm
PIT
-
MDW
1 stop4h 20m
Southwest
Deal found 3/18$182
This Southwest deal was found by Cheapflights users on 3/17. 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 4/82:40 pm
ORD
-
PIT
1 stop5h 40m
Southwest
Mon 4/135:55 am
PIT
-
ORD
1 stop7h 55m
Southwest
Deal found 3/17$182
This American Airlines deal was found by Cheapflights users on 3/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:17 pm
ORD
-
PIT
Nonstop1h 43m
American Airlines
Thu 5/79:19 am
PIT
-
ORD
Nonstop1h 49m
American Airlines
Deal found 3/16$185
This Southwest deal was found by Cheapflights users on 3/16. 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.
Thu 4/912:50 pm
MDW
-
PIT
Nonstop1h 25m
Southwest
Mon 4/138:10 pm
PIT
-
MDW
1 stop4h 20m
Southwest
Deal found 3/16$187
This American Airlines deal was found by Cheapflights users on 3/18. 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.
Sat 5/166:17 pm
ORD
-
PIT
Nonstop1h 43m
American Airlines
Mon 5/186:12 am
PIT
-
ORD
Nonstop1h 58m
American Airlines
Deal found 3/18$187
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:27 pm
ORD
-
PIT
1 stop19h 11m
Multiple Airlines
Tue 4/216:35 am
PIT
-
ORD
1 stop28h 01m
Multiple Airlines
Deal found 3/15$192
This Delta deal was found by Cheapflights users on 3/17. 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.
Mon 5/49:27 am
MDW
-
PIT
1 stop2h 55m
Delta
Thu 5/75:40 am
PIT
-
MDW
1 stop5h 20m
Delta
Deal found 3/17$197
This Delta deal was found by Cheapflights users on 3/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:30 am
ORD
-
PIT
1 stop4h 26m
Delta
Mon 5/117:50 pm
PIT
-
ORD
1 stop5h 09m
Delta
Deal found 3/16$197
This Mytrip deal was found by Cheapflights users on 3/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:36 pm
ORD
-
PIT
1 stop16h 02m
Spirit Airlines
Sat 4/186:15 pm
PIT
-
ORD
1 stop7h 09m
Spirit Airlines
Deal found 3/16$200
This Southwest deal was found by Cheapflights users on 3/16. 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.
Thu 4/92:40 pm
ORD
-
PIT
1 stop6h 35m
Southwest
Mon 4/135:45 am
PIT
-
ORD
2 stops8h 05m
Southwest
Deal found 3/16$202
This Southwest deal was found by Cheapflights users on 3/16. 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.
Tue 4/148:05 am
MDW
-
PIT
2 stops8h 15m
Southwest
Sat 4/186:00 am
PIT
-
MDW
2 stops9h 40m
Southwest
Deal found 3/16$207

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 March 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$179
(American Airlines)

One-way from

$69
(Southwest)

Popular in

February

Cheapest in

August

Average price

$437

Good round-trip deal

$315 or less

Good one-way deal

$161 or less
Provider with most accurate pricing for Chicago (CHI)-Pittsburgh flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Pittsburgh flights.
Search Deals
From Illinois to Pittsburgh
Search Deals
One-way flight from Illinois to Pittsburgh
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Pittsburgh.
Search Deals
Price to beat on a one-way flight from Illinois to Pittsburgh.
Search Deals

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 March 19, 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

MDW - PIT

MDWPIT

Chicago Midway

Sat 4/4

8:00 am-10:25 am

Nonstop1h 25m

Pittsburgh

Mon 4/6

8:45 pm-12:05 am

1 stop4h 20m

$187

ChicagoPittsburgh

MDW - PIT

MDWPIT

Chicago Midway

Thu 4/9

2:10 pm-11:10 pm

2 stops8h 00m

Pittsburgh

Mon 4/13

1:35 pm-2:05 pm

Nonstop1h 30m

$192

ChicagoPittsburgh

MDW - PIT

MDWPIT

Chicago Midway

Wed 4/22

10:10 am-5:55 pm

2 stops6h 45m

Pittsburgh

Sat 4/25

4:00 pm-4:30 pm

Nonstop1h 30m

$192

ChicagoPittsburgh

MDW - PIT

MDWPIT

Chicago Midway

Thu 4/23

12:50 pm-3:15 pm

Nonstop1h 25m

Pittsburgh

Mon 4/27

5:45 am-1:10 pm

2 stops8h 25m

$192

ChicagoPittsburgh

MDW - PIT

MDWPIT

Chicago Midway

Mon 5/18

5:40 pm-10:15 pm

1 stop3h 35m

Pittsburgh

Wed 5/20

6:55 pm-10:15 pm

1 stop4h 20m

$197

ChicagoPittsburgh

ORD - PIT

ORDPIT

Chicago O'Hare Intl

Wed 4/29

2:40 pm-9:20 pm

1 stop5h 40m

Pittsburgh

Wed 5/6

6:25 am-12:50 pm

1 stop7h 25m

$197

ChicagoPittsburgh

MDW - PIT

MDWPIT

Chicago Midway

Thu 5/7

5:30 am-12:15 pm

1 stop5h 45m

Pittsburgh

Tue 5/12

10:50 am-5:05 pm

2 stops7h 15m

$202

ChicagoPittsburgh

ORD - PIT

ORDPIT

Chicago O'Hare Intl

Thu 5/7

2:40 pm-11:10 pm

2 stops7h 30m

Pittsburgh

Tue 5/12

6:25 am-12:50 pm

1 stop7h 25m

$202

ChicagoPittsburgh

ORD - PIT

ORDPIT

Chicago O'Hare Intl

Mon 4/13

2:40 pm-10:15 pm

1 stop6h 35m

Pittsburgh

Mon 4/20

5:45 am-12:50 pm

2 stops8h 05m

$202

ChicagoPittsburgh

ORD - PIT

ORDPIT

Chicago O'Hare Intl

Tue 5/19

6:00 am-12:16 pm

1 stop5h 16m

Pittsburgh

Tue 5/19

5:10 pm-9:20 pm

1 stop5h 10m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

Showing 1-10 of 60 resultsSorted by cheapest first
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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, December is the cheapest month in which you can book a flight from Illinois to Pittsburgh (average of $90). Flying from Illinois to Pittsburgh in February is currently the most expensive (average of $246). 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 March 19, 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 2% versus a flight in the morning.

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 March 14, 2026.

Travelers seeking maximum savings on their Illinois to Pittsburgh flight should consider departing on Thursday afternoons 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.

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 March 19, 2026.

The most flights from USIL to PIT are scheduled on a Wednesday (49 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

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 $187, Southwest can have you in Pittsburgh from Illinois in 1h 25m. Illinois and Pittsburgh are separated by a distance of 400 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 $45. American Airlines flights start at $48 while deals on United Airlines start at $71 one-way.

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

    The most popular flight routes from Illinois to Pittsburgh are Chicago O'Hare Intl - Pittsburgh, Chicago Midway - Pittsburgh and Lambert-St Louis - 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: Envoy Air (85%), Lufthansa (72%), Air Canada( 71%).

  • What are the cheapest flights from Illinois to Pittsburgh?

    The cheapest flight price from Illinois to Pittsburgh is $78. On average you can expect to pay $310. 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, December is the cheapest month in which you can book a flight from Illinois to Pittsburgh (average of $90). Flying from Illinois to Pittsburgh in February is currently the most expensive (average of $246). 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
Steubenville
Washington
Monroeville
Wexford
Belle Vernon

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Alternative routes for Illinois to Pittsburgh

See prices for flight routes from nearby airports that may be better suited for you.
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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 March 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$97Average$358FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$101Average$334FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$116Average$425FlexibilityNo cancel feeOn-time63%

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