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$49+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PIT
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheap flight deals from Illinois to Pittsburgh

Keep the following information in mind while searching for Illinois to Pittsburgh flight deals. Data was last updated April 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$137
(United Airlines)

One-way from

$49
(Southwest)

Popular in

January

Cheapest in

August

Average price

$301

Good round-trip deal

$240 or less

Good one-way deal

$78 or less
Provider with most accurate pricing for Chicago (CHI)-Pittsburgh flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Pittsburgh flights.
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From Illinois to Pittsburgh
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One-way flight from Illinois to Pittsburgh
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Highest demand for flights based on searches. 10% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Illinois to Pittsburgh.
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Price to beat on a one-way flight from Illinois to Pittsburgh.
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Find 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 April 24, 2025.

This United Airlines deal was found by Cheapflights users on 4/23. 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.
Thu 5/222:15 pmORD - PIT
Nonstop1h 41mUnited Airlines
Thu 5/294:04 pmPIT - ORD
Nonstop1h 56mUnited Airlines
Deal found 4/23$137
This Southwest deal was found by Cheapflights users on 4/22. 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 5/216:25 pmMDW - PIT
Nonstop1h 20mSouthwest
Wed 5/281:05 pmPIT - MDW
Nonstop1h 30mSouthwest
Deal found 4/22$138
This American Airlines deal was found by Cheapflights users on 4/23. 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 6/37:05 pmORD - PIT
Nonstop1h 37mAmerican Airlines
Tue 6/105:11 amPIT - ORD
Nonstop1h 46mAmerican Airlines
Deal found 4/23$143
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Wed 5/216:00 amSTL - PIT
1 stop8h 45mAmerican Airlines
Thu 5/224:15 pmPIT - STL
1 stop8h 36mAmerican Airlines
Deal found 4/23$171
This Southwest deal was found by Cheapflights users on 4/22. 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 8/281:30 pmORD - PIT
1 stop6h 55mSouthwest
Sun 8/317:55 amPIT - ORD
1 stop7h 20mSouthwest
Deal found 4/22$176
This Delta deal was found by Cheapflights users on 4/22. 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 5/286:25 pmMDW - PIT
1 stop3h 28mDelta
Mon 6/26:30 amPIT - MDW
1 stop3h 10mDelta
Deal found 4/22$177
This Delta deal was found by Cheapflights users on 4/23. 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 6/55:30 amORD - PIT
1 stop4h 19mDelta
Mon 6/97:45 pmPIT - ORD
1 stop5h 14mDelta
Deal found 4/23$177
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/246:05 amMLI - PIT
1 stop3h 44mAmerican Airlines
Tue 5/275:00 pmPIT - MLI
1 stop6h 14mAmerican Airlines
Deal found 4/23$224
This Mytrip deal was found by Cheapflights users on 4/22. 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.
Mon 5/1210:00 amORD - PIT
2 stops36h 19mMultiple Airlines
Thu 5/157:20 pmPIT - ORD
1 stop22h 05mMultiple Airlines
Deal found 4/22$224
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Fri 5/165:25 pmPIA - PIT
1 stop5h 33mUnited Airlines
Tue 5/207:02 amPIT - PIA
1 stop4h 10mUnited Airlines
Deal found 4/23$229
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Fri 5/165:05 pmPIA - PIT
1 stop3h 37mAmerican Airlines
Tue 5/204:09 pmPIT - PIA
2 stops6h 47mAmerican Airlines
Deal found 4/23$234
This Mytrip deal was found by Cheapflights users on 4/23. 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 5/149:08 pmORD - PIT
1 stop11h 12mSpirit Airlines
Tue 5/205:54 amPIT - ORD
2 stops26h 33mSpirit Airlines
Deal found 4/23$244

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 April 24, 2025.
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

ORD - PIT

ORDPIT

Chicago O'Hare Intl

Thu 5/22

2:15 pm-4:56 pm

Nonstop1h 41m

Pittsburgh

Thu 5/29

4:04 pm-5:00 pm

Nonstop1h 56m

$137

ChicagoPittsburgh

MDW - PIT

MDWPIT

Chicago Midway

Wed 5/21

6:25 pm-8:45 pm

Nonstop1h 20m

Pittsburgh

Wed 5/28

1:05 pm-1:35 pm

Nonstop1h 30m

$138

ChicagoPittsburgh

ORD - PIT

ORDPIT

Chicago O'Hare Intl

Tue 6/3

7:05 pm-9:42 pm

Nonstop1h 37m

Pittsburgh

Tue 6/10

5:11 am-5:57 am

Nonstop1h 46m

$143

St. LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Wed 5/21

6:00 am-3:45 pm

1 stop8h 45m

Pittsburgh

Thu 5/22

4:15 pm-11:51 pm

1 stop8h 36m

$171

ChicagoPittsburgh

MDW - PIT

MDWPIT

Chicago Midway

Wed 5/28

6:25 pm-10:53 pm

1 stop3h 28m

Pittsburgh

Mon 6/2

6:30 am-8:40 am

1 stop3h 10m

$177

ChicagoPittsburgh

ORD - PIT

ORDPIT

Chicago O'Hare Intl

Thu 6/5

5:30 am-10:49 am

1 stop4h 19m

Pittsburgh

Mon 6/9

7:45 pm-11:59 pm

1 stop5h 14m

$177

ChicagoPittsburgh

ORD - PIT

ORDPIT

Chicago O'Hare Intl

Tue 7/22

4:00 pm-10:10 pm

1 stop5h 10m

Pittsburgh

Sun 7/27

6:05 am-11:50 am

1 stop6h 45m

$221

ChicagoPittsburgh

ORD - PIT

ORDPIT

Chicago O'Hare Intl

Mon 5/12

10:00 am-11:19 pm

2 stops36h 19m

Pittsburgh

Thu 5/15

7:20 pm-4:25 pm

1 stop22h 05m

$224

MolinePittsburgh

MLI - PIT

MLIPIT

Moline Quad-City

Sat 5/24

6:05 am-10:49 am

1 stop3h 44m

Pittsburgh

Tue 5/27

5:00 pm-10:14 pm

1 stop6h 14m

$224

PeoriaPittsburgh

PIA - PIT

PIAPIT

Greater Peoria

Fri 5/16

5:25 pm-11:58 pm

1 stop5h 33m

Pittsburgh

Tue 5/20

7:02 am-10:12 am

1 stop4h 10m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 47 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, August is the cheapest month in which you can book a flight from Illinois to Pittsburgh (average of $262). Flying from Illinois to Pittsburgh in November is currently the most expensive (average of $333). 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 April 24, 2025.

When flying from Illinois to Pittsburgh, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 April 24, 2025.

The most flights from USIL to PIT are scheduled on a Monday (46 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 on average).

Rainfall in Pittsburgh by month

Plan your trip to Pittsburgh by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Pittsburgh ranges from 2.3 - 4.3 inches per month. June is typically the wettest month, when rainfall can reach 4.3 in. October is typically the driest time to visit Pittsburgh when rainfall is around 2.3 in.

Temperature in Pittsburgh by month

Plan your trip to Pittsburgh by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Pittsburgh, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Pittsburgh

Get insights into the airlines that provide service to Pittsburgh. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pittsburgh. Reviews last updated April 24, 2025.
To help decide which airline to fly from Illinois to Pittsburgh, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,918 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,918 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,286 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
JetBlue
7.3
Good
2,924 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

  • 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 $49. United Airlines flights start at $69 while deals on Delta start at $89 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: Cathay Pacific (89%), Royal Jordanian (89%), SWISS( 86%).

  • What are the cheapest flights from Illinois to Pittsburgh?

    The cheapest flight price from Illinois to Pittsburgh is $48. On average you can expect to pay $251. The most popular route, (Chicago O'Hare Intl - Pittsburgh), can usually be booked for $97.

  • 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, August is the cheapest month in which you can book a flight from Illinois to Pittsburgh (average of $262). Flying from Illinois to Pittsburgh in November is currently the most expensive (average of $333). 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 Illinois?

Book flights to Illinois if you plan to visit one of these locations
Monroeville
Washington
Steubenville
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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$103Average$315FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$122Average$389FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$135Average$351FlexibilityNo cancel feeOn-time69%

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