What to know about flights from Chicago to Pittsburgh?

The approximate distance between Chicago and Pittsburgh is 660.47 km. Average flight time from Chicago to Pittsburgh is around 1 hour 36 minutes. According to Trip.com data, travel demand hits its peak in January. The cheapest month to book flights is September.

Cheapest one-way
US$70
Delta Air Lines Delta Air Lines CHI-PIT 3h 53m · 1 stop Fri, Oct 16
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Cheapest round-trip
US$167
Delta Air Lines Delta Air Lines CHI-PIT 4h 10m · 1 stop Mon, Oct 19 - Thu, Oct 22
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When to fly
April
Cheapest
January
Peak season
Route details
660.47 km
Flight distance
1h 36m
Average flight time

Explore the cheapest one-way and round-trip flights from Chicago to Pittsburgh over the next 90 days, with one-way fares from US$70 and round-trip from US$167. Based on Trip.com's latest 7-day flight data.

Flight.News
Flights from Chicago to Pittsburgh operate an average of 58 times per day over the past 7 days, with a 20.2% on-time departure rate and a 66.9% on-time arrival rate.

Which airlines are the most popular for Chicago to Pittsburgh flights?

You can choose from 2 airlines that fly from Chicago to Pittsburgh, including American Airlines, United Airlines, Delta Air Lines has lowest fares on this route.
American Airlines logo American Airlines
United Airlines logo United Airlines
Airlines are determined based on actual purchased flight tickets from Chicago to Pittsburgh according to previous 12 months data from Trip.com.

Trip.com Price Trends on Flights from Chicago to Pittsburgh

Which month has the cheapest one-way flights from Chicago to Pittsburgh?

Average monthly one-way flight prices from Chicago to Pittsburgh, based on bookings made by Trip.com users over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Chicago to Pittsburgh is April, with an average price of US$125; while the month with the highest flight price is usually June, with an average price of up to US$238.

US$238
US$182
US$125
US$69
    Cheapest
  • US$227
    Oct
  • US$153
    Nov
  • US$234
    Dec
  • US$193
    Jan
  • US$219
    Feb
  • US$219
    Mar
  • US$125
    Apr
  • US$228
    May
  • US$238
    Jun
  • US$235
    Jul
  • US$196
    Aug
  • US$237
    Sep

When is the cheapest day to fly from Chicago to Pittsburgh during Halloween?

Based on Trip.com's data over the past 3 days, these are the lowest one-way flight prices from Chicago to Pittsburgh during Halloween.

Halloween is scheduled for Oct 31. The cheapest flights from Chicago to Pittsburgh are available on Nov 2, with fares starting at US$122.

US$172
US$147
US$122
US$97
    Cheapest
  • US$155
    27
    Oct
  • US$124
    28
  • US$159
    29
  • US$149
    30
  • US$139
    31
  • US$172
    1
    Nov
  • US$122
    2

Frequently Asked Questions

  • What are the cheapest flights from Chicago to Pittsburgh (CHI-PIT)?

    Based on Trip.com data, Delta Air Lines offers one-way fares as low as US$70 on Cheapest nonstop routes (e.g. ORD to PIT on Fri, Oct 16), while Delta Air Lines offers Cheapest nonstop round-trips from US$167 departing on Mon, Oct 19 and returning on Thu, Oct 22.
  • At the moment, you can catch a nonstop flight from Chicago to Pittsburgh with the following airlines, including: American Airlines United Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 1 hour 36 minutes to fly from Chicago to Pittsburgh.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Chicago to Pittsburgh is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 107 flight per week flying from Chicago to Pittsburgh. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA3656 (06:13)
  • To find best deals on flights from Chicago to Pittsburgh, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Oct 16, with one-way flights priced at just US$70.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is American Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Pittsburgh travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Chicago to Pittsburgh is September, when demand for travel is lower.
  • After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Chicago to Pittsburgh on October 10, 2026 with American Airlines, with prices starting at US$134.
  • You can land at any one of the following hubs in Pittsburgh: Pittsburgh International Airport (PIT). Flying from O'Hare International Airport to Pittsburgh International Airport (ORD-PIT) is by far the most common option on this route.
  • The time difference between Pittsburgh and Chicago is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Chicago to Pittsburgh is US$245. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Chicago to Pittsburgh is US$432. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter Chicago and Pittsburgh, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

Trip.com Airline Insights on Flights from Chicago to Pittsburgh

Which airline offers the cheapest direct flights from Chicago to Pittsburgh?

Data is based on the average price of all nonstop flights from Chicago to Pittsburgh on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Spirit Airlines provides the lowest-priced direct flights from Chicago to Pittsburgh, with fares starting at US$198.

US$183
US$198
US$214
US$229
US$244
Spirit Airlines
US$198
Spirit Airlines
United Airlines
US$238
United Airlines
American Airlines
US$244
American Airlines

Which airline operates the most flights from Chicago to Pittsburgh?

Total flights from Chicago to Pittsburgh across all airlines. (Based on Trip.com data from the past month)

Based on Trip.com’s data from the past month, United Airlines operates the most frequent flights from Chicago to Pittsburgh, with 55 flights per week.

18
30
43
55
United Airlines
55
United Airlines
Air Canada
52
Air Canada
Air New Zealand
45
Air New Zealand
American Airlines
44
American Airlines
British Airways
30
British Airways
All Nippon Airways
30
All Nippon Airways

How many flights fly from Chicago to Pittsburgh daily?

The data is based on the flight numbers for each day of the week from Chicago to Pittsburgh within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from Chicago to Pittsburgh is the highest on Friday and the lowest on Thursday.

288
254
219
185
Highest
228
Mon
225
Tue
223
Wed
219
Thu
288
Fri
268
Sat
248
Sun

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.