Flights from Chicago, IL to Philadelphia, PA

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

Oct 2026
from$107*
Last seen: 17 hours ago
One-way/Economy
Nov 2026
from$23*
Last seen: 56 mins ago
One-way/Economy
Dec 2026
from$23*
Last seen: 16 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $28
cmp-daily-histogram-bars-legend-max-price-aria-label $214
Displaying fares for October-2026
  • ORD–PHL: cmp-view-offers-disclaimer. Find Offers
    22

    Thu

    OCT

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

    Fri

  • ORD–PHL, Oct 24, 2026: from $107
    24

    Sat

  • ORD–PHL, Oct 25, 2026: from $173
    25

    Sun

  • ORD–PHL, Oct 26, 2026: from $150
    26

    Mon

  • ORD–PHL, Oct 27, 2026: from $153
    27

    Tue

  • ORD–PHL, Oct 28, 2026: from $145
    28

    Wed

  • ORD–PHL, Oct 29, 2026: from $149
    29

    Thu

  • ORD–PHL, Oct 30, 2026: from $165
    30

    Fri

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

    Sat

  • ORD–PHL, Nov 1, 2026: from $165
    01

    Sun

    NOV

  • ORD–PHL, Nov 2, 2026: from $165
    02

    Mon

  • ORD–PHL, Nov 3, 2026: from $139
    03

    Tue

  • ORD–PHL, Nov 4, 2026: from $119
    04

    Wed

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

    Thu

  • ORD–PHL, Nov 6, 2026: from $159
    06

    Fri

  • ORD–PHL: cmp-view-offers-disclaimer. Find Offers
    07

    Sat

  • ORD–PHL, Nov 8, 2026: from $214
    08

    Sun

  • ORD–PHL, Nov 9, 2026: from $79
    09

    Mon

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

    Tue

  • ORD–PHL, Nov 11, 2026: from $139
    11

    Wed

  • ORD–PHL, Nov 12, 2026: from $79
    12

    Thu

  • ORD–PHL, Nov 13, 2026: from $28
    13

    Fri

  • ORD–PHL, Nov 14, 2026: from $74
    14

    Sat

  • ORD–PHL, Nov 15, 2026: from $86
    15

    Sun

  • ORD–PHL, Nov 16, 2026: from $68
    16

    Mon

  • ORD–PHL, Nov 17, 2026: from $100
    17

    Tue

  • ORD–PHL: cmp-view-offers-disclaimer. Find Offers
    18

    Wed

  • ORD–PHL, Nov 19, 2026: from $91
    19

    Thu

  • ORD–PHL, Nov 20, 2026: from $139
    20

    Fri

  • ORD–PHL: cmp-view-offers-disclaimer. Find Offers
    21

    Sat

    • Range$28-$214

    *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 Jan 29, 2027

    From

    $47

    Last seen: 3 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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