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$63+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PIT
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
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 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$157
(Mytrip)

One-way from

$63
(Mytrip)

Popular in

March

Cheapest in

August

Average price

$266

Good round-trip deal

$210 or less

Good one-way deal

$63 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. 5% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 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 3, 2025.

This Mytrip deal was found by Cheapflights users on 4/2. 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.
Sun 5/115:51 amORD - PIT
1 stop26h 29mSpirit Airlines
Mon 5/125:03 pmPIT - ORD
1 stop28h 05mSpirit Airlines
Deal found 4/2$157
This Frontier deal was found by Cheapflights users on 4/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/245:41 pmSTL - PIT
1 stop25h 29mFrontier
Mon 4/289:00 pmPIT - STL
1 stop28h 04mFrontier
Deal found 4/1$189
This Mytrip deal was found by Cheapflights users on 4/2. 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.
Sat 5/109:08 pmORD - PIT
1 stop11h 12mMultiple Airlines
Sun 5/116:39 pmPIT - ORD
1 stop22h 46mMultiple Airlines
Deal found 4/2$192
This Frontier deal was found by Cheapflights users on 4/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/236:00 amORD - PIT
1 stop9h 45mFrontier
Sun 5/257:08 pmPIT - ORD
1 stop6h 12mFrontier
Deal found 4/1$218
This American Airlines deal was found by Cheapflights users on 4/2. 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 4/297:15 pmORD - PIT
Nonstop1h 31mAmerican Airlines
Wed 4/305:25 amPIT - ORD
Nonstop1h 51mAmerican Airlines
Deal found 4/2$235
This Frontier deal was found by Cheapflights users on 4/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/612:46 pmMDW - PIT
1 stop6h 42mFrontier
Tue 4/82:20 pmPIT - MDW
1 stop6h 31mFrontier
Deal found 4/2$240
This Delta deal was found by Cheapflights users on 4/2. 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 4/3010:42 amSTL - PIT
1 stop3h 48mDelta
Sun 5/45:50 amPIT - STL
1 stop6h 55mDelta
Deal found 4/2$242
This American Airlines deal was found by Cheapflights users on 4/1. 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 6/74:17 pmSTL - PIT
1 stop6h 34mAmerican Airlines
Tue 6/1010:06 amPIT - STL
1 stop4h 31mAmerican Airlines
Deal found 4/1$247
This Southwest deal was found by Cheapflights users on 4/2. 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.
Sat 5/106:15 pmMDW - PIT
Nonstop1h 25mSouthwest
Mon 5/127:30 pmPIT - MDW
Nonstop1h 30mSouthwest
Deal found 4/2$250
This Southwest deal was found by Cheapflights users on 4/1. 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.
Sat 6/79:55 amSTL - PIT
Nonstop1h 35mSouthwest
Tue 6/101:25 pmPIT - STL
Nonstop1h 45mSouthwest
Deal found 4/1$253
This Delta deal was found by Cheapflights users on 4/2. 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.
Sat 5/106:30 pmMDW - PIT
1 stop4h 29mDelta
Sun 5/115:41 amPIT - MDW
1 stop4h 59mDelta
Deal found 4/2$255
This Delta deal was found by Cheapflights users on 4/2. 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.
Tue 4/296:00 amORD - PIT
1 stop5h 19mDelta
Wed 4/306:05 pmPIT - ORD
1 stop3h 40mDelta
Deal found 4/2$255

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 3, 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

Sun 5/11

5:51 am-9:20 am

1 stop26h 29m

Pittsburgh

Mon 5/12

5:03 pm-8:08 pm

1 stop28h 05m

$157

St. LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Thu 4/24

5:41 pm-8:10 pm

1 stop25h 29m

Pittsburgh

Mon 4/28

9:00 pm-12:04 am

1 stop28h 04m

$189

ChicagoPittsburgh

ORD - PIT

ORDPIT

Chicago O'Hare Intl

Sat 5/10

9:08 pm-9:20 am

1 stop11h 12m

Pittsburgh

Sun 5/11

6:39 pm-4:25 pm

1 stop22h 46m

$192

ChicagoPittsburgh

ORD - PIT

ORDPIT

Chicago O'Hare Intl

Fri 5/23

6:00 am-4:45 pm

1 stop9h 45m

Pittsburgh

Sun 5/25

7:08 pm-12:20 am

1 stop6h 12m

$218

ChicagoPittsburgh

ORD - PIT

ORDPIT

Chicago O'Hare Intl

Tue 4/29

7:15 pm-9:46 pm

Nonstop1h 31m

Pittsburgh

Wed 4/30

5:25 am-6:16 am

Nonstop1h 51m

$235

ChicagoPittsburgh

MDW - PIT

MDWPIT

Chicago Midway

Sun 4/6

12:46 pm-8:28 pm

1 stop6h 42m

Pittsburgh

Tue 4/8

2:20 pm-7:51 pm

1 stop6h 31m

$240

St. LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Wed 4/30

10:42 am-3:30 pm

1 stop3h 48m

Pittsburgh

Sun 5/4

5:50 am-11:45 am

1 stop6h 55m

$242

St. LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Sat 6/7

4:17 pm-11:51 pm

1 stop6h 34m

Pittsburgh

Tue 6/10

10:06 am-1:37 pm

1 stop4h 31m

$247

ChicagoPittsburgh

MDW - PIT

MDWPIT

Chicago Midway

Sat 5/10

6:15 pm-8:40 pm

Nonstop1h 25m

Pittsburgh

Mon 5/12

7:30 pm-8:00 pm

Nonstop1h 30m

$250

St. LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Sat 6/7

9:55 am-12:30 pm

Nonstop1h 35m

Pittsburgh

Tue 6/10

1:25 pm-2:10 pm

Nonstop1h 45m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 45 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 3, 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 3, 2025.

The most flights from USIL to PIT are scheduled on a Tuesday (42 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 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 3, 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
9,825 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,825 reviews
Alaska Airlines
8.0
Very good
9,825 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,274 reviews
Alaska Airlines
8.0
Very good
9,825 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,897 reviews
Alaska Airlines
8.0
Very good
9,825 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,616 reviews
Alaska Airlines
8.0
Very good
9,825 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
JetBlue
7.3
Good
2,920 reviews
Alaska Airlines
8.0
Very good
9,825 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 Spirit Airlines, which is currently one of the cheapest options available, starting at $63. Frontier flights start at $109 while deals on United Airlines start at $113 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%), SWISS (87%), Alaska Airlines( 86%).

  • What are the cheapest flights from Illinois to Pittsburgh?

    The cheapest flight price from Illinois to Pittsburgh is $47. On average you can expect to pay $243. The most popular route, (Chicago O'Hare Intl - Pittsburgh), can usually be booked for $114.

  • 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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$103Average$325FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$122Average$384FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$136Average$349FlexibilityNo cancel feeOn-time69%

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