Travel with Air Canada from St. Louis, MO to Montréal (STL - YUL) from USD 360*

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 St. Louis, MO and Montréal - our lowest fares in cash

Aug 2026
FromUSD 889*
One way/Economy
Sep 2026
FromUSD 360*
One way/Economy
Oct 2026
FromUSD 360*
One way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label USD 360
cmp-daily-histogram-bars-legend-max-price-aria-label USD 1.0K
Displaying fares for August-2026
  • STL–YUL, Aug 27, 2026: From USD 1,002
    27

    Th

    AUG

  • STL–YUL, Aug 28, 2026: From USD 1,002
    28

    Fr

  • STL–YUL, Aug 29, 2026: From USD 1,002
    29

    Sa

  • STL–YUL, Aug 30, 2026: From USD 889
    30

    Su

  • STL–YUL, Aug 31, 2026: From USD 889
    31

    Mo

  • STL–YUL, Sep 01, 2026: From USD 899
    01

    Tu

    SEP

  • STL–YUL, Sep 02, 2026: From USD 889
    02

    We

  • STL–YUL, Sep 03, 2026: From USD 798
    03

    Th

  • STL–YUL, Sep 04, 2026: From USD 808
    04

    Fr

  • STL–YUL, Sep 05, 2026: From USD 798
    05

    Sa

  • STL–YUL, Sep 06, 2026: From USD 653
    06

    Su

  • STL–YUL, Sep 07, 2026: From USD 653
    07

    Mo

  • STL–YUL, Sep 08, 2026: From USD 653
    08

    Tu

  • STL–YUL, Sep 09, 2026: From USD 653
    09

    We

  • STL–YUL, Sep 10, 2026: From USD 554
    10

    Th

  • STL–YUL, Sep 11, 2026: From USD 554
    11

    Fr

  • STL–YUL, Sep 12, 2026: From USD 540
    12

    Sa

  • STL–YUL, Sep 13, 2026: From USD 540
    13

    Su

  • STL–YUL, Sep 14, 2026: From USD 540
    14

    Mo

  • STL–YUL, Sep 15, 2026: From USD 540
    15

    Tu

  • STL–YUL, Sep 16, 2026: From USD 540
    16

    We

  • STL–YUL, Sep 17, 2026: From USD 373
    17

    Th

  • STL–YUL, Sep 18, 2026: From USD 360
    18

    Fr

  • STL–YUL, Sep 19, 2026: From USD 360
    19

    Sa

  • STL–YUL, Sep 20, 2026: From USD 360
    20

    Su

  • STL–YUL, Sep 21, 2026: From USD 360
    21

    Mo

  • STL–YUL, Sep 22, 2026: From USD 360
    22

    Tu

  • STL–YUL, Sep 23, 2026: From USD 360
    23

    We

  • STL–YUL, Sep 24, 2026: From USD 398
    24

    Th

  • STL–YUL, Sep 25, 2026: From USD 373
    25

    Fr

  • STL–YUL, Sep 26, 2026: From USD 360
    26

    Sa

    • RangeUSD 360-USD 1,002

    *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.

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