Travel with Air Canada from St. Louis, MO to Montréal (STL - YUL) from USD 372*

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

Sep 2026
FromUSD 567*
One way/Economy
Oct 2026
FromUSD 387*
One way/Economy
Nov 2026
FromUSD 400*
One way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label USD 387
cmp-daily-histogram-bars-legend-max-price-aria-label USD 1.0K
Displaying fares for September-2026
  • STL–YUL, Sep 16, 2026: From USD 730
    16

    We

    SEP

  • STL–YUL, Sep 17, 2026: From USD 1,029
    17

    Th

  • STL–YUL, Sep 18, 2026: From USD 1,029
    18

    Fr

  • STL–YUL, Sep 19, 2026: From USD 916
    19

    Sa

  • STL–YUL, Sep 20, 2026: From USD 916
    20

    Su

  • STL–YUL, Sep 21, 2026: From USD 916
    21

    Mo

  • STL–YUL, Sep 22, 2026: From USD 916
    22

    Tu

  • STL–YUL, Sep 23, 2026: From USD 780
    23

    We

  • STL–YUL, Sep 24, 2026: From USD 835
    24

    Th

  • STL–YUL, Sep 25, 2026: From USD 825
    25

    Fr

  • STL–YUL, Sep 26, 2026: From USD 680
    26

    Sa

  • STL–YUL, Sep 27, 2026: From USD 680
    27

    Su

  • STL–YUL, Sep 28, 2026: From USD 680
    28

    Mo

  • STL–YUL, Sep 29, 2026: From USD 680
    29

    Tu

  • STL–YUL, Sep 30, 2026: From USD 567
    30

    We

  • STL–YUL, Oct 01, 2026: From USD 567
    01

    Th

    OCT

  • STL–YUL, Oct 02, 2026: From USD 567
    02

    Fr

  • STL–YUL, Oct 03, 2026: From USD 567
    03

    Sa

  • STL–YUL, Oct 04, 2026: From USD 567
    04

    Su

  • STL–YUL, Oct 05, 2026: From USD 567
    05

    Mo

  • STL–YUL, Oct 06, 2026: From USD 567
    06

    Tu

  • STL–YUL, Oct 07, 2026: From USD 387
    07

    We

  • STL–YUL, Oct 08, 2026: From USD 387
    08

    Th

  • STL–YUL, Oct 09, 2026: From USD 387
    09

    Fr

  • STL–YUL, Oct 10, 2026: From USD 387
    10

    Sa

  • STL–YUL, Oct 11, 2026: From USD 387
    11

    Su

  • STL–YUL, Oct 12, 2026: From USD 387
    12

    Mo

  • STL–YUL, Oct 13, 2026: From USD 387
    13

    Tu

  • STL–YUL, Oct 14, 2026: From USD 387
    14

    We

  • STL–YUL, Oct 15, 2026: From USD 387
    15

    Th

    • RangeUSD 387-USD 1,029

    *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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