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$99+ Cheap flights from Pittsburgh (PIT) to Illinois

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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — ORD
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Pittsburgh to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Pittsburgh (PIT) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Find flight deals from Pittsburgh to Illinois

Cheapest flights from Pittsburgh to Illinois
Explore the most affordable flight options available from Pittsburgh to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This United Airlines deal was found by Cheapflights users on 11/20. 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 12/137:10 amPIT - ORD
Nonstop1h 40mUnited Airlines
Sun 12/157:25 amORD - PIT
Nonstop1h 36mUnited Airlines
Deal found 11/20$147
This Priceline deal was found by Cheapflights users on 11/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/47:33 pmPIT - ORD
1 stop6h 01mMultiple Airlines
Thu 1/97:25 amORD - PIT
1 stop7h 16mMultiple Airlines
Deal found 11/19$153
This FlightHub deal was found by Cheapflights users on 11/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/107:33 pmPIT - ORD
1 stop6h 01mSpirit Airlines
Tue 12/179:58 amORD - PIT
1 stop7h 05mSpirit Airlines
Deal found 11/20$174
This Delta deal was found by Cheapflights users on 11/20. 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 12/196:00 amPIT - MDW
1 stop6h 08mDelta
Tue 1/76:28 pmMDW - PIT
1 stop3h 15mDelta
Deal found 11/20$176
This Delta deal was found by Cheapflights users on 11/20. 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 12/181:00 pmPIT - ORD
1 stop6h 31mDelta
Wed 12/255:50 pmORD - PIT
1 stop5h 03mDelta
Deal found 11/20$176
This American Airlines deal was found by Cheapflights users on 11/20. 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 12/126:59 amPIT - ORD
Nonstop1h 54mAmerican Airlines
Sun 1/126:15 pmORD - PIT
Nonstop1h 38mAmerican Airlines
Deal found 11/20$177
This Southwest deal was found by Cheapflights users on 11/20. 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 12/309:25 pmPIT - MDW
Nonstop1h 30mSouthwest
Wed 1/17:20 amMDW - PIT
1 stop4h 00mSouthwest
Deal found 11/20$197
This Southwest deal was found by Cheapflights users on 11/20. 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 12/121:45 pmPIT - ORD
1 stop8h 45mSouthwest
Sun 1/127:30 amORD - PIT
1 stop6h 20mSouthwest
Deal found 11/20$256
This American Airlines deal was found by Cheapflights users on 11/19. 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 12/176:59 amPIT - STL
1 stop10h 22mAmerican Airlines
Tue 12/245:45 amSTL - PIT
1 stop9h 48mAmerican Airlines
Deal found 11/19$263
This JetBlue deal was found by Cheapflights users on 11/20. 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.
Fri 12/610:50 amPIT - ORD
1 stop6h 03mJetBlue
Wed 12/118:51 amORD - PIT
1 stop5h 08mJetBlue
Deal found 11/20$297
This CheapOair deal was found by Cheapflights users on 11/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/67:08 pmPIT - STL
1 stop21h 13mSpirit Airlines
Sun 12/84:26 pmSTL - PIT
1 stop7h 46mSpirit Airlines
Deal found 11/20$304
This Delta deal was found by Cheapflights users on 11/20. 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.
Sun 12/86:00 amPIT - STL
1 stop7h 03mDelta
Sat 12/146:30 amSTL - PIT
1 stop5h 55mDelta
Deal found 11/20$321

Find flights from Pittsburgh to Illinois within your budget

Customize your flight search to find flights from Pittsburgh to Illinois 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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Fri 12/13

7:10 am-7:50 am

Nonstop1h 40m

Chicago O'Hare Intl

Sun 12/15

7:25 am-10:01 am

Nonstop1h 36m

$147

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Wed 12/4

7:33 pm-12:34 am

1 stop6h 01m

Chicago O'Hare Intl

Thu 1/9

7:25 am-3:41 pm

1 stop7h 16m

$153

PittsburghChicago

PIT - MDW

PITMDW

Pittsburgh

Sun 1/12

4:41 pm-12:13 am

1 stop8h 32m

Chicago Midway

Thu 1/16

7:15 am-3:44 pm

1 stop7h 29m

$157

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Tue 12/10

7:33 pm-12:34 am

1 stop6h 01m

Chicago O'Hare Intl

Tue 12/17

9:58 am-6:03 pm

1 stop7h 05m

$174

PittsburghChicago

PIT - MDW

PITMDW

Pittsburgh

Thu 12/19

6:00 am-11:08 am

1 stop6h 08m

Chicago Midway

Tue 1/7

6:28 pm-10:43 pm

1 stop3h 15m

$176

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Wed 12/18

1:00 pm-6:31 pm

1 stop6h 31m

Chicago O'Hare Intl

Wed 12/25

5:50 pm-11:53 pm

1 stop5h 03m

$176

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Thu 12/12

6:59 am-7:53 am

Nonstop1h 54m

Chicago O'Hare Intl

Sun 1/12

6:15 pm-8:53 pm

Nonstop1h 38m

$177

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Sun 1/12

10:55 am-5:59 pm

1 stop8h 04m

Chicago O'Hare Intl

Tue 1/14

9:05 am-3:04 pm

1 stop4h 59m

$188

PittsburghChicago

PIT - MDW

PITMDW

Pittsburgh

Mon 12/30

9:25 pm-9:55 pm

Nonstop1h 30m

Chicago Midway

Wed 1/1

7:20 am-12:20 pm

1 stop4h 00m

$197

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Thu 12/12

1:45 pm-9:30 pm

1 stop8h 45m

Chicago O'Hare Intl

Sun 1/12

7:30 am-2:50 pm

1 stop6h 20m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 46 results
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Best time to book a flight from Pittsburgh to Illinois

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

Travel insights for flights from Pittsburgh to Illinois

Get recent, data-driven insights about flights from Pittsburgh to Illinois including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Pittsburgh to Illinois (average of $232). Flying from Pittsburgh to Illinois in June is currently the most expensive (average of $308). 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 PIT to IL?

Find hourly flight availability from Pittsburgh to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

When flying from Pittsburgh to Illinois, 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 Pittsburgh to Illinois

Explore weekly flight availability from Pittsburgh to Illinois. 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 November 21, 2024.

The most flights from PIT to USIL are scheduled on a Thursday (44 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (14 on average).

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated November 21, 2024.
Read through reviews of airlines operating flights from Pittsburgh to Illinois, such as United Airlines, Spirit Airlines and American Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,015 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,458 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,759 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

JetBlue
7.5
Good
3,395 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,173 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

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

    Located just 13.5 mi from the city center, Pittsburgh (PIT) is the airport most travelers will use when flying to Illinois from Pittsburgh.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $99. Spirit Airlines flights start at $100 while deals on Southwest start at $108 one-way.

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

    The most popular flight routes from Pittsburgh to Illinois are Pittsburgh - Chicago O'Hare Intl, Pittsburgh - Chicago Midway and Pittsburgh - Lambert-St Louis.

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

    Before booking your flight to Illinois from Pittsburgh, check out the most reliable airlines to get you to your destination on time: SkyWest Airlines (100%), GoJet (100%), Republic Airways( 99%).

  • What are the cheapest flights from Pittsburgh to Illinois?

    Looking at all options, your cheapest flight can be booked for $157. While the most popular route (Pittsburgh - Chicago O'Hare Intl) can be booked for $137 on average our data indicates $976 when flying from Pittsburgh to Illinois.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Pittsburgh to Illinois (average of $232). Flying from Pittsburgh to Illinois in June is currently the most expensive (average of $308). 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.

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Alternative routes for Pittsburgh to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Pittsburgh to Illinois

Discover the top 4 airlines that operate flights from Pittsburgh to Illinois. 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$118Average$376FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$136Average$316FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$148Average$296FlexibilityNo cancel feeOn-time63%
DeltaCheapest$155Average$290FlexibilityNo cancel feeOn-timeN/A
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