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Chicago to Philadelphia International Airport flight
      • Cheapest nonstop
        ORD 20:52
        2h 23m
        Nonstop
        PHL 00:15
        Chicago - Philadelphia | Sat, Aug 15 | Frontier Airlines
        PHL 18:11
        2h 42m
        Nonstop
        ORD 19:53
        Philadelphia - Chicago | Mon, Aug 17 | Frontier Airlines
        US$61 US$566
        89% off
        89% off
        US$566 US$61
      • ORD 06:00
        2h 17m
        Nonstop
        PHL 09:17
        Chicago - Philadelphia | Thu, Sep 3 | Frontier Airlines
        PHL 06:00
        2h 29m
        Nonstop
        ORD 07:29
        Philadelphia - Chicago | Fri, Sep 4 | Frontier Airlines
        US$87 US$566
        85% off
        85% off
        US$566 US$87
      • ORD 08:37
        2h 15m
        Nonstop
        PHL 11:52
        Chicago - Philadelphia | Mon, Aug 24 | Frontier Airlines
        PHL 06:00
        2h 29m
        Nonstop
        ORD 07:29
        Philadelphia - Chicago | Mon, Aug 31 | Frontier Airlines
        US$93 US$566
        84% off
        84% off
        US$566 US$93
      • ORD 07:25
        2h 24m
        Nonstop
        PHL 10:49
        Chicago - Philadelphia | Thu, Sep 17 | Frontier Airlines
        PHL 11:54
        2h 36m
        Nonstop
        ORD 13:30
        Philadelphia - Chicago | Mon, Sep 21 | Frontier Airlines
        US$97
        83% off
        US$566 US$97
      • ORD 07:25
        2h 24m
        Nonstop
        PHL 10:49
        Chicago - Philadelphia | Thu, Oct 1 | Frontier Airlines
        PHL 11:54
        2h 36m
        Nonstop
        ORD 13:30
        Philadelphia - Chicago | Mon, Oct 5 | Frontier Airlines
        US$97
        83% off
        US$566 US$97
      • ORD 20:58
        2h 23m
        Nonstop
        PHL 00:21
        Chicago - Philadelphia | Mon, Aug 17 | Frontier Airlines
        PHL 06:00
        2h 29m
        Nonstop
        ORD 07:29
        Philadelphia - Chicago | Mon, Aug 24 | Frontier Airlines
        US$111
        80% off
        US$566 US$111
      • ORD 07:25
        2h 24m
        Nonstop
        PHL 10:49
        Chicago - Philadelphia | Thu, Sep 10 | Frontier Airlines
        PHL 11:54
        2h 36m
        Nonstop
        ORD 13:30
        Philadelphia - Chicago | Thu, Sep 17 | Frontier Airlines
        US$114
        80% off
        US$566 US$114
      • ORD 06:00
        2h 17m
        Nonstop
        PHL 09:17
        Chicago - Philadelphia | Thu, Aug 20 | Frontier Airlines
        PHL 06:00
        2h 29m
        Nonstop
        ORD 07:29
        Philadelphia - Chicago | Mon, Aug 24 | Frontier Airlines
        US$286
        49% off
        US$566 US$286
      • ORD 15:50
        7h 19m
        1 stop
        PHL 00:09
        Chicago - Philadelphia | Wed, Sep 9 | Frontier Airlines
        PHL 11:54
        2h 36m
        Nonstop
        ORD 13:30
        Philadelphia - Chicago | Fri, Sep 11 | Frontier Airlines
        US$115
        80% off
        US$566 US$115
      • ORD 13:59
        7h 34m
        1 stop
        PHL 22:33
        Chicago - Philadelphia | Wed, Sep 2 | Frontier Airlines
        PHL 06:00
        2h 29m
        Nonstop
        ORD 07:29
        Philadelphia - Chicago | Mon, Sep 7 | Frontier Airlines
        US$120
        79% off
        US$566 US$120
      • ORD 07:25
        2h 24m
        Nonstop
        PHL 10:49
        Chicago - Philadelphia | Mon, Sep 14 | Frontier Airlines
        PHL 07:50
        7h 55m
        1 stop
        ORD 14:45
        Philadelphia - Chicago | Thu, Sep 17 | Frontier Airlines
        US$121
        79% off
        US$566 US$121
      • MDW 18:42
        3h 44m
        1 stop
        PHL 23:26
        Chicago - Philadelphia | Thu, Aug 20 | Delta Air Lines
        PHL 06:00
        2h 29m
        Nonstop
        ORD 07:29
        Philadelphia - Chicago | Mon, Aug 24 | Frontier Airlines
        US$413
        27% off
        US$566 US$413
      • CHI 13:00
        17h 25m
        1 stop
        PHL 14:00
        Chicago - Philadelphia | Sat, Aug 15 | Normal Airline
        PHL 15:00
        6h
        Nonstop
        CHI 16:00
        Philadelphia - Chicago | Mon, Aug 17 | Normal Airline
        More cheap flights
        More cheap flights
      • Cheapest nonstop
        ORD 20:30
        2h 23m
        Nonstop
        PHL 23:53
        Chicago - Philadelphia | Sun, Sep 6 | Frontier Airlines
        US$65 US$124
        48% off
        48% off
        US$124 US$65
      • ORD 06:50
        2h 10m
        Nonstop
        PHL 10:00
        Chicago - Philadelphia | Mon, Oct 5 | Frontier Airlines
        US$66 US$124
        47% off
        47% off
        US$124 US$66
      • ORD 06:50
        2h 10m
        Nonstop
        PHL 10:00
        Chicago - Philadelphia | Thu, Sep 24 | Frontier Airlines
        US$66 US$124
        47% off
        47% off
        US$124 US$66
      • ORD 06:00
        2h 17m
        Nonstop
        PHL 09:17
        Chicago - Philadelphia | Thu, Sep 3 | Frontier Airlines
        US$66
        47% off
        US$124 US$66
      • ORD 07:25
        2h 24m
        Nonstop
        PHL 10:49
        Chicago - Philadelphia | Fri, Sep 11 | Frontier Airlines
        US$66
        47% off
        US$124 US$66
      • ORD 07:25
        2h 24m
        Nonstop
        PHL 10:49
        Chicago - Philadelphia | Fri, Sep 18 | Frontier Airlines
        US$80
        35% off
        US$124 US$80
      • ORD 07:25
        2h 24m
        Nonstop
        PHL 10:49
        Chicago - Philadelphia | Fri, Sep 25 | Frontier Airlines
        US$89
        28% off
        US$124 US$89
      • ORD 07:25
        2h 24m
        Nonstop
        PHL 10:49
        Chicago - Philadelphia | Mon, Sep 28 | Frontier Airlines
        US$90
        27% off
        US$124 US$90
      • ORD 07:25
        2h 24m
        Nonstop
        PHL 10:49
        Chicago - Philadelphia | Mon, Sep 21 | Frontier Airlines
        US$90
        27% off
        US$124 US$90
      • ORD 15:50
        7h 19m
        1 stop
        PHL 00:09
        Chicago - Philadelphia | Wed, Sep 30 | Frontier Airlines
        US$73
        41% off
        US$124 US$73
      • ORD 15:50
        7h 19m
        1 stop
        PHL 00:09
        Chicago - Philadelphia | Wed, Sep 23 | Frontier Airlines
        US$73
        41% off
        US$124 US$73
      • MDW 06:00
        6h 7m
        1 stop
        PHL 13:07
        Chicago - Philadelphia | Thu, Sep 17 | Delta Air Lines
        US$85
        31% off
        US$124 US$85
      • CHI 13:00
        17h 25m
        1 stop
        PHL 14:00
        Chicago - Philadelphia | Sat, Aug 15 | Normal Airline
        More cheap flights
        More cheap flights

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Trip.com Price Insights: Flights from Chicago to Philadelphia International Airport

Which month offers the lowest one-way fares from Chicago to Philadelphia International Airport?

Data is based on the past 12 months. It shows the average one-way fares by month for flights from Chicago to Philadelphia International Airport on Trip.com.

Based on Trip.com data from the past 12 months, the lowest-priced month for one-way flights from Chicago to Philadelphia International Airport is October, with an average fare of US$127. The most expensive month is usually February, with average fares reaching US$266.

US$266
US$197
US$127
US$58
    Cheapest
  • US$186
    Aug
  • US$179
    Sep
  • US$127
    Oct
  • US$149
    Nov
  • US$180
    Dec
  • US$189
    Jan
  • US$266
    Feb
  • US$223
    Mar
  • US$148
    Apr
  • US$150
    May
  • US$243
    Jun
  • US$183
    Jul

Which day of the week offers the cheapest flights from Chicago to Philadelphia International Airport?

Data is based on the past 12 months. It shows the average fares by day of the week for flights from Chicago to Philadelphia International Airport on Trip.com.

Based on Trip.com data from the past 12 months, the cheapest day to depart from Chicago to Philadelphia International Airport is Thursday, when average fares are usually lower than other days. Avoid departing on Tuesday, as fares are typically the highest.

US$260
US$210
US$159
US$109
    Cheapest
  • US$188
    Mon
  • US$260
    Tue
  • US$189
    Wed
  • US$159
    Thu
  • US$172
    Fri
  • US$174
    Sat
  • US$178
    Sun

Cheap Flights from Chicago to Philadelphia International Airport

Explore airlines fly from Chicago to Philadelphia International Airport. Compare prices to find the airline that best meets your travel needs and enjoy yourself for the wonderful journey!
United Airlines logo United Airlines
American Airlines logo American Airlines

Flight Schedule from Chicago to Philadelphia International Airport

Flight info.
Departure
Arrival
Weekly Schedule

  1. F92112

    O'Hare International Airport

    16:41

    ORD

    2h 23m

    20:04

    PHL

    S - - W T F S
    Search

  2. AA3177

    O'Hare International Airport

    20:49

    ORD

    2h 10m

    23:59

    PHL

    S M T W T F S
    Search

  3. AA471

    O'Hare International Airport

    06:45

    ORD

    2h 9m

    09:54

    PHL

    S M T W T F S
    Search

  4. F92144

    Chicago Midway International Airport

    12:03

    MDW

    2h

    Nonstop

    15:03

    ATL

    S M T W T F S
    Search

  5. F92552

    Hartsfield–Jackson Atlanta International Airport

    16:06

    ATL

    2h 9m

    Nonstop

    18:15

    PHL

    S - - W T F S

  6. DL1285

    Chicago Midway International Airport

    06:00

    MDW

    2h

    Nonstop

    09:00

    ATL

    S M T W T F S
    Search

  7. DL2279

    Hartsfield–Jackson Atlanta International Airport

    11:05

    ATL

    1h 58m

    Nonstop

    13:03

    PHL

    S M T W T F S

  8. DL1728

    Chicago Midway International Airport

    17:25

    MDW

    2h 1m

    Nonstop

    20:26

    ATL

    S M T W T - S
    Search

  9. DL2642

    Hartsfield–Jackson Atlanta International Airport

    21:30

    ATL

    2h 12m

    Nonstop

    23:42

    PHL

    S M T W T F S

  10. F93044

    O'Hare International Airport

    17:13

    ORD

    3h 12m

    Nonstop

    21:25

    MCO

    S M T W T F S
    Search

  11. F92508

    Orlando International Airport

    20:50

    MCO

    2h 39m

    Nonstop

    23:29

    PHL

    S - T - T F -

  12. F91596

    O'Hare International Airport

    10:26

    ORD

    2h 8m

    Nonstop

    13:34

    ATL

    S M T W T F S
    Search

  13. F92552

    Hartsfield–Jackson Atlanta International Airport

    16:06

    ATL

    2h 9m

    Nonstop

    18:15

    PHL

    S - - W T F S

  14. F92292

    Chicago Midway International Airport

    06:15

    MDW

    2h 14m

    Nonstop

    09:29

    ATL

    S M T W T F S
    Search

  15. F92552

    Hartsfield–Jackson Atlanta International Airport

    16:06

    ATL

    2h 9m

    Nonstop

    18:15

    PHL

    S - - W T F S

  16. F92205

    O'Hare International Airport

    08:05

    ORD

    3h 23m

    Nonstop

    12:28

    FLL

    S M T W T F S
    Search

  17. F94440

    Fort Lauderdale-Hollywood International Airport

    21:49

    FLL

    2h 54m

    Nonstop

    00:43

    PHL

    S - T W T F S
Find more flights and airlines

Flight Info of Flights from Chicago to Philadelphia International Airport

Cheapest return ticket price US$60
Cheapest one-way flight price US$65
Cheapest month October
Peak season for travel July

FAQs for Chicago to Philadelphia International Airport Flights

  • When are flight tickets from Chicago to Philadelphia the cheapest?

    Airlines adjust prices for flights from Chicago to Philadelphia based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • According to Trip.com's data, the lowest price is around US$325.
  • It takes about 2 hours 9 minutes to fly from Chicago to Philadelphia.
  • The earliest flight departs from Chicago at 05:30 and arrives in Philadelphia at 08:37.
  • The latest flight departs from Chicago at 21:47 and arrives in Philadelphia at 00:59.
  • Airlines with flights from Chicago to Philadelphia: American Airlines, United Airlines, Alaska Airlines, British Airways and Finnair.
  • United Airlines operates 3 direct flights from Chicago (CHI) to Philadelphia (PHL).
  • There are 2 airport(s) in Philadelphia (PHL): Philadelphia International Airport and Trenton Mercer Airport.

Popular Destinations

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.