Travel with Air Canada from St. Louis, MO to Montréal (STL - YUL) from USD 436*

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

Oct 2026
FromUSD 1,006*
One way/Economy
Nov 2026
FromUSD 436*
One way/Economy
Dec 2026
FromUSD 436*
One way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label USD 436
cmp-daily-histogram-bars-legend-max-price-aria-label USD 1.1K
Displaying fares for October-2026
  • STL–YUL, Oct 27, 2026: From USD 1,119
    27

    Tu

    OCT

  • STL–YUL, Oct 28, 2026: From USD 1,119
    28

    We

  • STL–YUL, Oct 29, 2026: From USD 1,006
    29

    Th

  • STL–YUL, Oct 30, 2026: From USD 1,006
    30

    Fr

  • STL–YUL, Oct 31, 2026: From USD 1,006
    31

    Sa

  • STL–YUL, Nov 01, 2026: From USD 1,006
    01

    Su

    NOV

  • STL–YUL, Nov 02, 2026: From USD 708
    02

    Mo

  • STL–YUL, Nov 03, 2026: From USD 708
    03

    Tu

  • STL–YUL, Nov 04, 2026: From USD 708
    04

    We

  • STL–YUL, Nov 05, 2026: From USD 732
    05

    Th

  • STL–YUL, Nov 06, 2026: From USD 708
    06

    Fr

  • STL–YUL, Nov 07, 2026: From USD 708
    07

    Sa

  • STL–YUL, Nov 08, 2026: From USD 732
    08

    Su

  • STL–YUL, Nov 09, 2026: From USD 436
    09

    Mo

  • STL–YUL, Nov 10, 2026: From USD 460
    10

    Tu

  • STL–YUL, Nov 11, 2026: From USD 436
    11

    We

  • STL–YUL, Nov 12, 2026: From USD 436
    12

    Th

  • STL–YUL, Nov 13, 2026: From USD 436
    13

    Fr

  • STL–YUL, Nov 14, 2026: From USD 497
    14

    Sa

  • STL–YUL, Nov 15, 2026: From USD 436
    15

    Su

  • STL–YUL, Nov 16, 2026: From USD 436
    16

    Mo

  • STL–YUL, Nov 17, 2026: From USD 497
    17

    Tu

  • STL–YUL, Nov 18, 2026: From USD 436
    18

    We

  • STL–YUL, Nov 19, 2026: From USD 497
    19

    Th

  • STL–YUL, Nov 20, 2026: From USD 497
    20

    Fr

  • STL–YUL, Nov 21, 2026: From USD 436
    21

    Sa

  • STL–YUL, Nov 22, 2026: From USD 436
    22

    Su

  • STL–YUL, Nov 23, 2026: From USD 436
    23

    Mo

  • STL–YUL, Nov 24, 2026: From USD 436
    24

    Tu

  • STL–YUL, Nov 25, 2026: From USD 436
    25

    We

  • STL–YUL, Nov 26, 2026: From USD 436
    26

    Th

    • RangeUSD 436-USD 1,119

    *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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