Flights from Philadelphia, PA to Chicago, IL

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

Aug 2026
from$74*
Last seen: 11 hours ago
One-way/Economy
Sep 2026
from$49*
Last seen: 5 hours ago
One-way/Economy
Oct 2026
from$49*
Last seen: 13 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $74
cmp-daily-histogram-bars-legend-max-price-aria-label $169
Displaying fares for August-2026
  • PHL–ORD: cmp-view-offers-disclaimer. Find Offers
    01

    Sat

    AUG

  • PHL–ORD: cmp-view-offers-disclaimer. Find Offers
    02

    Sun

  • PHL–ORD, Aug 3, 2026: from $127
    03

    Mon

  • PHL–ORD: cmp-view-offers-disclaimer. Find Offers
    04

    Tue

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    05

    Wed

  • PHL–ORD, Aug 6, 2026: from $167
    06

    Thu

  • PHL–ORD, Aug 7, 2026: from $142
    07

    Fri

  • PHL–ORD, Aug 8, 2026: from $134
    08

    Sat

  • PHL–ORD, Aug 9, 2026: from $145
    09

    Sun

  • PHL–ORD, Aug 10, 2026: from $145
    10

    Mon

  • PHL–ORD, Aug 11, 2026: from $169
    11

    Tue

  • PHL–ORD, Aug 12, 2026: from $169
    12

    Wed

  • PHL–ORD, Aug 13, 2026: from $145
    13

    Thu

  • PHL–ORD, Aug 14, 2026: from $145
    14

    Fri

  • PHL–ORD, Aug 15, 2026: from $135
    15

    Sat

  • PHL–ORD, Aug 16, 2026: from $136
    16

    Sun

  • PHL–ORD, Aug 17, 2026: from $136
    17

    Mon

  • PHL–ORD, Aug 18, 2026: from $108
    18

    Tue

  • PHL–ORD, Aug 19, 2026: from $108
    19

    Wed

  • PHL–ORD, Aug 20, 2026: from $80
    20

    Thu

  • PHL–ORD, Aug 21, 2026: from $111
    21

    Fri

  • PHL–ORD, Aug 22, 2026: from $99
    22

    Sat

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

    Sun

  • PHL–ORD, Aug 24, 2026: from $74
    24

    Mon

  • PHL–ORD, Aug 25, 2026: from $92
    25

    Tue

  • PHL–ORD, Aug 26, 2026: from $99
    26

    Wed

  • PHL–ORD, Aug 27, 2026: from $80
    27

    Thu

  • PHL–ORD, Aug 28, 2026: from $78
    28

    Fri

  • PHL–ORD, Aug 29, 2026: from $99
    29

    Sat

  • PHL–ORD: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

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

    Mon

    • Range$74-$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 Philadelphia, PA to Chicago, IL on Frontier

    $
    Flights Deals from Philadelphia, PA to Chicago, IL on Frontier
    From
    To
    Philadelphia, PA (PHL)Chicago, IL (ORD)One-way
    /
    Discount Den Basic Fare    		Departing Nov 2, 2026

    From

    $74

    Last seen: 1 hour 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®.

    Philadelphia, PA Chicago, IL

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