Travel with Air Canada from Houston to Ottawa, ON (IAH - YOW) from USD 359*

Promotion code

*Fares displayed have been collected within the last 48 hours and may no longer be available at the time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.

Flights between Houston and Ottawa, ON - our lowest fares in cash

cmp-daily-histogram-bars-legend-min-price-aria-label USD 378
cmp-daily-histogram-bars-legend-max-price-aria-label USD 782
Displaying fares for September-2026
  • IAH–YOW, Sep 18, 2026: From USD 777
    18

    Fr

    SEP

  • IAH–YOW, Sep 19, 2026: From USD 777
    19

    Sa

  • IAH–YOW, Sep 20, 2026: From USD 782
    20

    Su

  • IAH–YOW, Sep 21, 2026: From USD 686
    21

    Mo

  • IAH–YOW, Sep 22, 2026: From USD 686
    22

    Tu

  • IAH–YOW, Sep 23, 2026: From USD 686
    23

    We

  • IAH–YOW, Sep 24, 2026: From USD 686
    24

    Th

  • IAH–YOW, Sep 25, 2026: From USD 465
    25

    Fr

  • IAH–YOW, Sep 26, 2026: From USD 465
    26

    Sa

  • IAH–YOW, Sep 27, 2026: From USD 460
    27

    Su

  • IAH–YOW, Sep 28, 2026: From USD 465
    28

    Mo

  • IAH–YOW, Sep 29, 2026: From USD 465
    29

    Tu

  • IAH–YOW, Sep 30, 2026: From USD 460
    30

    We

  • IAH–YOW, Oct 01, 2026: From USD 465
    01

    Th

    OCT

  • IAH–YOW, Oct 02, 2026: From USD 383
    02

    Fr

  • IAH–YOW, Oct 03, 2026: From USD 383
    03

    Sa

  • IAH–YOW, Oct 04, 2026: From USD 383
    04

    Su

  • IAH–YOW, Oct 05, 2026: From USD 383
    05

    Mo

  • IAH–YOW, Oct 06, 2026: From USD 378
    06

    Tu

  • IAH–YOW, Oct 07, 2026: From USD 383
    07

    We

  • IAH–YOW, Oct 08, 2026: From USD 383
    08

    Th

  • IAH–YOW, Oct 09, 2026: From USD 461
    09

    Fr

  • IAH–YOW, Oct 10, 2026: From USD 383
    10

    Sa

  • IAH–YOW, Oct 11, 2026: From USD 383
    11

    Su

  • IAH–YOW, Oct 12, 2026: From USD 383
    12

    Mo

  • IAH–YOW, Oct 13, 2026: From USD 383
    13

    Tu

  • IAH–YOW, Oct 14, 2026: From USD 378
    14

    We

  • IAH–YOW, Oct 15, 2026: From USD 383
    15

    Th

  • IAH–YOW, Oct 16, 2026: From USD 383
    16

    Fr

  • IAH–YOW, Oct 17, 2026: From USD 383
    17

    Sa

  • RangeUSD 378-USD 782

    *Fares displayed have been collected within the last 48 hours and may no longer be available at the time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.

    Book flights from Houston (IAH) to Ottawa, ON (YOW) | Air Canada