Flights from Houston, TX to Chicago, IL

Promo Code

Best Deals on Flights From Houston, TX (IAH) to Chicago, IL (ORD)

Aug 2026
from$44*
Last seen: 11 hours ago
One-way/Economy
Sep 2026
from$43*
Last seen: 14 hours ago
One-way/Economy
Oct 2026
from$43*
Last seen: 35 mins ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $44
cmp-daily-histogram-bars-legend-max-price-aria-label $179
Displaying fares for August-2026
  • IAH–ORD: cmp-view-offers-disclaimer. Find Offers
    01

    Sat

    AUG

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

    Sun

  • IAH–ORD, Aug 3, 2026: from $151
    03

    Mon

  • IAH–ORD, Aug 4, 2026: from $148
    04

    Tue

  • IAH–ORD, Aug 5, 2026: from $148
    05

    Wed

  • IAH–ORD, Aug 6, 2026: from $179
    06

    Thu

  • IAH–ORD, Aug 7, 2026: from $166
    07

    Fri

  • IAH–ORD, Aug 8, 2026: from $129
    08

    Sat

  • IAH–ORD, Aug 9, 2026: from $139
    09

    Sun

  • IAH–ORD, Aug 10, 2026: from $139
    10

    Mon

  • IAH–ORD, Aug 11, 2026: from $109
    11

    Tue

  • IAH–ORD, Aug 12, 2026: from $129
    12

    Wed

  • IAH–ORD, Aug 13, 2026: from $169
    13

    Thu

  • IAH–ORD, Aug 14, 2026: from $119
    14

    Fri

  • IAH–ORD: cmp-view-offers-disclaimer. Find Offers
    15

    Sat

  • IAH–ORD, Aug 16, 2026: from $119
    16

    Sun

  • IAH–ORD, Aug 17, 2026: from $93
    17

    Mon

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

    Tue

  • IAH–ORD, Aug 19, 2026: from $91
    19

    Wed

  • IAH–ORD, Aug 20, 2026: from $91
    20

    Thu

  • IAH–ORD, Aug 21, 2026: from $100
    21

    Fri

  • IAH–ORD, Aug 22, 2026: from $77
    22

    Sat

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

    Sun

  • IAH–ORD, Aug 24, 2026: from $59
    24

    Mon

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

    Tue

  • IAH–ORD, Aug 26, 2026: from $44
    26

    Wed

  • IAH–ORD, Aug 27, 2026: from $72
    27

    Thu

  • IAH–ORD, Aug 28, 2026: from $87
    28

    Fri

  • IAH–ORD, Aug 29, 2026: from $59
    29

    Sat

  • IAH–ORD, Aug 30, 2026: from $44
    30

    Sun

  • IAH–ORD, Aug 31, 2026: from $72
    31

    Mon

    • Range$44-$179

    *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 Houston, TX to Chicago, IL on Frontier

    $
    Flights Deals from Houston, TX to Chicago, IL on Frontier
    From
    To
    Houston, TX (IAH)Chicago, IL (ORD)One-way
    /
    Discount Den Basic Fare    		Departing Oct 30, 2026

    From

    $44

    Last seen: 21 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®.

    Houston, TX Chicago, IL

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