Travel with Air Canada from St. Louis, MO to Montréal (STL - YUL) from USD 282*

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

Jun 2026
FromUSD 857*
One way/Economy
Jul 2026
FromUSD 298*
One way/Economy
Aug 2026
FromUSD 298*
One way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label USD 298
cmp-daily-histogram-bars-legend-max-price-aria-label USD 969
Displaying fares for June-2026
  • 28

    Su

    JUN

  • 29

    Mo

  • 30

    Tu

  • 01

    We

    JUL

  • 02

    Th

  • 03

    Fr

  • 04

    Sa

  • 05

    Su

  • 06

    Mo

  • 07

    Tu

  • 08

    We

  • 09

    Th

  • 10

    Fr

  • 11

    Sa

  • 12

    Su

  • 13

    Mo

  • 14

    Tu

  • 15

    We

  • 16

    Th

  • 17

    Fr

  • 18

    Sa

  • 19

    Su

  • 20

    Mo

  • 21

    Tu

  • 22

    We

  • 23

    Th

  • 24

    Fr

  • 25

    Sa

  • 26

    Su

  • 27

    Mo

    • RangeUSD 298-USD 969

    *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 St. Louis, MO (STL) to Montréal (YUL) | Air Canada

    Explore all routes from St. Louis, MO to Montréal