Flights from Phoenix, AZ to Houston, TX

Promo Code

Best Deals on Flights From Phoenix, AZ (PHX) to Houston, TX (IAH)

Aug 2026
from$39*
Last seen: 2 hours ago
One-way/Economy
Sep 2026
from$44*
Last seen: 4 hours ago
One-way/Economy
Oct 2026
from$44*
Last seen: 5 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $39
cmp-daily-histogram-bars-legend-max-price-aria-label $169
Displaying fares for August-2026
  • PHX–IAH: cmp-view-offers-disclaimer. Find Offers
    09

    Sun

    AUG

  • PHX–IAH: cmp-view-offers-disclaimer. Find Offers
    10

    Mon

  • PHX–IAH, Aug 11, 2026: from $103
    11

    Tue

  • PHX–IAH, Aug 12, 2026: from $103
    12

    Wed

  • PHX–IAH, Aug 13, 2026: from $154
    13

    Thu

  • PHX–IAH, Aug 14, 2026: from $154
    14

    Fri

  • PHX–IAH, Aug 15, 2026: from $118
    15

    Sat

  • PHX–IAH, Aug 16, 2026: from $44
    16

    Sun

  • PHX–IAH, Aug 17, 2026: from $114
    17

    Mon

  • PHX–IAH, Aug 18, 2026: from $118
    18

    Tue

  • PHX–IAH, Aug 19, 2026: from $118
    19

    Wed

  • PHX–IAH, Aug 20, 2026: from $169
    20

    Thu

  • PHX–IAH, Aug 21, 2026: from $169
    21

    Fri

  • PHX–IAH, Aug 22, 2026: from $137
    22

    Sat

  • PHX–IAH, Aug 23, 2026: from $149
    23

    Sun

  • PHX–IAH, Aug 24, 2026: from $147
    24

    Mon

  • PHX–IAH, Aug 25, 2026: from $137
    25

    Tue

  • PHX–IAH: cmp-view-offers-disclaimer. Find Offers
    26

    Wed

  • PHX–IAH: cmp-view-offers-disclaimer. Find Offers
    27

    Thu

  • PHX–IAH, Aug 28, 2026: from $124
    28

    Fri

  • PHX–IAH, Aug 29, 2026: from $72
    29

    Sat

  • PHX–IAH, Aug 30, 2026: from $82
    30

    Sun

  • PHX–IAH, Aug 31, 2026: from $39
    31

    Mon

  • PHX–IAH: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    SEP

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

    Wed

  • PHX–IAH, Sep 3, 2026: from $127
    03

    Thu

  • PHX–IAH, Sep 4, 2026: from $104
    04

    Fri

  • PHX–IAH, Sep 5, 2026: from $58
    05

    Sat

  • PHX–IAH, Sep 6, 2026: from $58
    06

    Sun

  • PHX–IAH, Sep 7, 2026: from $127
    07

    Mon

  • PHX–IAH: cmp-view-offers-disclaimer. Find Offers
    08

    Tue

    • Range$39-$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 Phoenix, AZ to Houston, TX on Frontier

    $
    Flights Deals from Phoenix, AZ to Houston, TX on Frontier
    From
    To
    Phoenix, AZ (PHX)Houston, TX (IAH)One-way
    /
    Discount Den Basic Fare    		Departing Nov 19, 2026

    From

    $56

    Last seen: 14 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®.

    Phoenix, AZ Houston, TX

    Barclays Badge

    Earn 60,000 Miles after qualifying activity. Terms apply.