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$67+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PIT
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This Southwest deal was found by Cheapflights users on 1/27. 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 2/248:10 am
MDW
-
PIT
1 stop6h 30m
Southwest
Tue 3/35:50 am
PIT
-
MDW
Nonstop1h 50m
Southwest
Deal found 1/27$167
This Expedia deal was found by Cheapflights users on 1/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/238:41 pm
ORD
-
PIT
1 stop11h 57m
Spirit Airlines
Tue 3/2410:45 am
PIT
-
ORD
1 stop8h 36m
Spirit Airlines
Deal found 1/28$172
This Mytrip deal was found by Cheapflights users on 1/28. 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.
Wed 2/259:18 am
ORD
-
PIT
2 stops13h 41m
Spirit Airlines
Wed 3/46:00 am
PIT
-
ORD
2 stops19h 40m
Spirit Airlines
Deal found 1/28$174
This American Airlines deal was found by Cheapflights users on 1/27. 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 2/289:40 pm
ORD
-
PIT
Nonstop1h 31m
American Airlines
Tue 3/37:09 pm
PIT
-
ORD
Nonstop1h 51m
American Airlines
Deal found 1/27$175
This Expedia deal was found by Cheapflights users on 1/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/118:16 pm
ORD
-
PIT
1 stop12h 22m
Spirit Airlines
Thu 3/1210:45 am
PIT
-
ORD
1 stop13h 32m
Spirit Airlines
Deal found 1/27$176
This Delta deal was found by Cheapflights users on 1/28. 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 4/81:10 pm
MDW
-
PIT
1 stop3h 09m
Delta
Tue 4/145:25 pm
PIT
-
MDW
1 stop6h 03m
Delta
Deal found 1/28$177
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Fri 2/203:49 pm
STL
-
PIT
1 stop6h 36m
Multiple Airlines
Mon 2/239:09 pm
PIT
-
STL
2 stops34h 42m
Multiple Airlines
Deal found 1/26$177
This Delta deal was found by Cheapflights users on 1/28. 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 4/85:30 am
ORD
-
PIT
1 stop4h 17m
Delta
Tue 4/147:46 pm
PIT
-
ORD
1 stop5h 13m
Delta
Deal found 1/28$177
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Thu 3/129:15 am
ORD
-
PIT
1 stop12h 59m
Multiple Airlines
Mon 3/1610:45 am
PIT
-
ORD
1 stop24h 51m
Multiple Airlines
Deal found 1/27$180
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Thu 2/196:51 pm
ORD
-
PIT
2 stops27h 34m
Spirit Airlines
Mon 2/239:09 pm
PIT
-
ORD
1 stop15h 13m
Spirit Airlines
Deal found 1/27$184
This Southwest deal was found by Cheapflights users on 1/28. 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 3/234:05 pm
MDW
-
PIT
1 stop5h 50m
Southwest
Tue 3/2412:15 pm
PIT
-
MDW
Nonstop1h 30m
Southwest
Deal found 1/28$185
This Mytrip deal was found by Cheapflights users on 1/27. 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 2/248:16 pm
ORD
-
PIT
3 stops26h 09m
Spirit Airlines
Tue 3/36:00 am
PIT
-
ORD
2 stops19h 40m
Spirit Airlines
Deal found 1/27$188

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$167
(Southwest)

One-way from

$67
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$281

Good round-trip deal

$257 or less

Good one-way deal

$131 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. 10% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 29, 2026.
Use the filters below to find and compare flights from Illinois to Pittsburgh that are best for you.

Fly from

Illinois

Fly to

Pittsburgh

Route

Depart

Return

Price

ChicagoPittsburgh

MDW - PIT

MDWPIT

Chicago Midway

Tue 2/24

6:10 am-12:55 pm

2 stops5h 45m

Pittsburgh

Tue 3/3

5:50 am-6:40 am

Nonstop1h 50m

$172

ChicagoPittsburgh

MDW - PIT

MDWPIT

Chicago Midway

Sat 2/28

10:25 am-12:50 pm

Nonstop1h 25m

Pittsburgh

Tue 3/3

5:50 am-6:40 am

Nonstop1h 50m

$175

St. LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Fri 2/20

3:49 pm-11:25 pm

1 stop6h 36m

Pittsburgh

Mon 2/23

9:09 pm-6:51 am

2 stops34h 42m

$177

ChicagoPittsburgh

ORD - PIT

ORDPIT

Chicago O'Hare Intl

Sat 5/2

2:10 pm-4:55 pm

Nonstop1h 45m

Pittsburgh

Tue 5/5

10:55 am-11:42 am

Nonstop1h 47m

$177

ChicagoPittsburgh

MDW - PIT

MDWPIT

Chicago Midway

Mon 3/30

7:45 am-10:05 am

Nonstop1h 20m

Pittsburgh

Tue 3/31

6:50 am-11:40 am

1 stop5h 50m

$185

ChicagoPittsburgh

MDW - PIT

MDWPIT

Chicago Midway

Mon 3/16

2:35 pm-10:15 pm

1 stop6h 40m

Pittsburgh

Tue 3/24

8:15 am-8:50 am

Nonstop1h 35m

$185

ChicagoPittsburgh

MDW - PIT

MDWPIT

Chicago Midway

Sat 5/2

4:00 pm-6:20 pm

Nonstop1h 20m

Pittsburgh

Tue 5/5

6:40 am-10:40 am

1 stop5h 00m

$185

ChicagoPittsburgh

ORD - PIT

ORDPIT

Chicago O'Hare Intl

Thu 2/19

5:54 pm-8:28 pm

Nonstop1h 34m

Pittsburgh

Mon 2/23

9:13 am-10:03 am

Nonstop1h 50m

$193

ChicagoPittsburgh

ORD - PIT

ORDPIT

Chicago O'Hare Intl

Thu 2/19

9:15 pm-11:51 pm

Nonstop1h 36m

Pittsburgh

Mon 2/23

10:45 am-11:38 am

Nonstop1h 53m

$193

ChicagoPittsburgh

ORD - PIT

ORDPIT

Chicago O'Hare Intl

Tue 2/24

2:21 pm-4:56 pm

Nonstop1h 35m

Pittsburgh

Tue 3/3

7:00 am-7:53 am

Nonstop1h 53m

$193

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 60 results
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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 July is currently the most expensive (average of $194). 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 January 29, 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 evening, which can drop the price by up to 13% versus a flight in the afternoon.

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 January 24, 2026.

Travelers seeking maximum savings on their Illinois to Pittsburgh flight should consider departing on Tuesday mornings when fares are most often at their lowest. Monday afternoons 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 January 29, 2026.

The most flights from USIL to PIT are scheduled on a Thursday (42 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (16 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 $193, Southwest can have you in Pittsburgh from Illinois in 1h 34m. Illinois and Pittsburgh are separated by a distance of 411 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 $49 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: GoJet (100%), Envoy Air (80%), Qatar Airways( 76%).

  • What are the cheapest flights from Illinois to Pittsburgh?

    The cheapest flight price from Illinois to Pittsburgh is $86. On average you can expect to pay $367. The most popular route, (Chicago O'Hare Intl - Pittsburgh), can usually be booked for $143.

  • 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 July is currently the most expensive (average of $194). 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
Steubenville
Washington
Monroeville
Wexford
Belle Vernon

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Alternative routes for Illinois to Pittsburgh

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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$97Average$389FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$103Average$291FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$108Average$336FlexibilityNo cancel feeOn-time69%

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