Flights from Chicago, IL to Philadelphia, PA

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Best Deals on Flights From Chicago, IL (ORD) to Philadelphia, PA (PHL)

Try alternate month or interact with individual days below in order to find offers.
Aug 2026
No results for this month.
Sep 2026
from$73*
Last seen: 32 mins ago
One-way/Economy
Oct 2026
from$90*
Last seen: 22 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $73
cmp-daily-histogram-bars-legend-max-price-aria-label $169
Displaying fares for August-2026
  • ORD–PHL: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

    AUG

  • ORD–PHL: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

  • ORD–PHL: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    SEP

  • ORD–PHL, Sep 2, 2026: from $159
    02

    Wed

  • ORD–PHL, Sep 3, 2026: from $155
    03

    Thu

  • ORD–PHL, Sep 4, 2026: from $155
    04

    Fri

  • ORD–PHL, Sep 5, 2026: from $159
    05

    Sat

  • ORD–PHL, Sep 6, 2026: from $73
    06

    Sun

  • ORD–PHL, Sep 7, 2026: from $169
    07

    Mon

  • ORD–PHL, Sep 8, 2026: from $149
    08

    Tue

  • ORD–PHL, Sep 9, 2026: from $101
    09

    Wed

  • ORD–PHL: cmp-view-offers-disclaimer. Find Offers
    10

    Thu

  • ORD–PHL: cmp-view-offers-disclaimer. Find Offers
    11

    Fri

  • ORD–PHL, Sep 12, 2026: from $129
    12

    Sat

  • ORD–PHL, Sep 13, 2026: from $129
    13

    Sun

  • ORD–PHL, Sep 14, 2026: from $129
    14

    Mon

  • ORD–PHL, Sep 15, 2026: from $110
    15

    Tue

  • ORD–PHL, Sep 16, 2026: from $110
    16

    Wed

  • ORD–PHL, Sep 17, 2026: from $129
    17

    Thu

  • ORD–PHL, Sep 18, 2026: from $129
    18

    Fri

  • ORD–PHL, Sep 19, 2026: from $110
    19

    Sat

  • ORD–PHL, Sep 20, 2026: from $90
    20

    Sun

  • ORD–PHL, Sep 21, 2026: from $90
    21

    Mon

  • ORD–PHL, Sep 22, 2026: from $110
    22

    Tue

  • ORD–PHL: cmp-view-offers-disclaimer. Find Offers
    23

    Wed

  • ORD–PHL: cmp-view-offers-disclaimer. Find Offers
    24

    Thu

  • ORD–PHL: cmp-view-offers-disclaimer. Find Offers
    25

    Fri

  • ORD–PHL: cmp-view-offers-disclaimer. Find Offers
    26

    Sat

  • ORD–PHL, Sep 27, 2026: from $90
    27

    Sun

  • ORD–PHL, Sep 28, 2026: from $90
    28

    Mon

  • ORD–PHL, Sep 29, 2026: from $101
    29

    Tue

    • Range$73-$169

    *Prices found by others in the previous 48 hours for round-trip flights. Prices shown may also require membership in our travel club, Discount Den.

    Flights Deals from Chicago, IL to Philadelphia, PA on Frontier

    $
    Flights Deals from Chicago, IL to Philadelphia, PA on Frontier
    From
    To
    Chicago, IL (ORD)Philadelphia, PA (PHL)One-way
    /
    Discount Den Basic Fare    		Departing Dec 6, 2026

    From

    $123

    Last seen: 20 hours ago

    *Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

    Chicago, IL Philadelphia, PA

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