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Flights from Chicago to Philadelphia Starting at £16

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Chicago to Philadelphia

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from Chicago to Philadelphia

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From £16
Spirit Airlines
From £28
American Airlines
From £39
Southwest Airlines
From £44
Delta Air Lines
From £57
United Airlines
From £61
Sun Country Airlines
From £97
Jetblue Airways
From £122
ANA airlines

Find more flights and airlines

Alternative Routes from Chicago to Philadelphia

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Chicago to Philadelphia.

  • Cheapest
    Frontier Airlines
    MDW
    18:08
    2h 3m
    Direct
    PHL
    21:11
    Midway International Airport - Philadelphia International Airport
    Wed, Apr 24Frontier Airlines
    £16
  • Frontier Airlines
    ORD
    05:01
    2h 3m
    Direct
    PHL
    08:04
    O'Hare International Airport - Philadelphia International Airport
    Wed, May 22Frontier Airlines
    £23
  • Frontier Airlines
    ORD
    11:47
    22h 18m
    1 transfer
    TTN
    11:05
    O'Hare International Airport - Trenton Mercer Airport
    Tue, Apr 16Frontier Airlines
    £37
  • Frontier Airlines
    ORD
    11:47
    22h 18m
    1 transfer
    TTN
    11:05
    O'Hare International Airport - Trenton Mercer Airport
    Tue, Apr 16Frontier Airlines
    £37
    Find More Flights

How do I find the cheapest flights?

Flight Information from Chicago to Philadelphia

Cheapest direct flight price

£15

Cheapest return ticket price

£31

Cheapest month

January

Peak season for travel

September