Travel with Air Canada from Seattle to Montréal (SEA - YUL) from CAD 424*

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 Seattle and Montréal - our lowest fares in cash

Oct 2026
FromCAD 424*
One way/Economy
Nov 2026
FromCAD 424*
One way/Economy
Dec 2026
FromCAD 425*
One way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label CAD 424
cmp-daily-histogram-bars-legend-max-price-aria-label CAD 660
Displaying fares for October-2026
  • SEA–YUL, Oct 09, 2026: From CAD 648
    09

    Fr

    OCT

  • SEA–YUL, Oct 10, 2026: From CAD 616
    10

    Sa

  • SEA–YUL, Oct 11, 2026: From CAD 648
    11

    Su

  • SEA–YUL, Oct 12, 2026: From CAD 648
    12

    Mo

  • SEA–YUL, Oct 13, 2026: From CAD 592
    13

    Tu

  • SEA–YUL, Oct 14, 2026: From CAD 580
    14

    We

  • SEA–YUL, Oct 15, 2026: From CAD 648
    15

    Th

  • SEA–YUL, Oct 16, 2026: From CAD 648
    16

    Fr

  • SEA–YUL, Oct 17, 2026: From CAD 580
    17

    Sa

  • SEA–YUL, Oct 18, 2026: From CAD 660
    18

    Su

  • SEA–YUL, Oct 19, 2026: From CAD 648
    19

    Mo

  • SEA–YUL, Oct 20, 2026: From CAD 580
    20

    Tu

  • SEA–YUL, Oct 21, 2026: From CAD 425
    21

    We

  • SEA–YUL, Oct 22, 2026: From CAD 470
    22

    Th

  • SEA–YUL, Oct 23, 2026: From CAD 470
    23

    Fr

  • SEA–YUL: cmp-view-offers-disclaimer. Find offers
    24

    Sa

  • SEA–YUL: cmp-view-offers-disclaimer. Find offers
    25

    Su

  • SEA–YUL, Oct 26, 2026: From CAD 470
    26

    Mo

  • SEA–YUL, Oct 27, 2026: From CAD 424
    27

    Tu

  • SEA–YUL, Oct 28, 2026: From CAD 424
    28

    We

  • SEA–YUL, Oct 29, 2026: From CAD 470
    29

    Th

  • SEA–YUL, Oct 30, 2026: From CAD 470
    30

    Fr

  • SEA–YUL, Oct 31, 2026: From CAD 424
    31

    Sa

  • SEA–YUL, Nov 01, 2026: From CAD 470
    01

    Su

    NOV

  • SEA–YUL, Nov 02, 2026: From CAD 470
    02

    Mo

  • SEA–YUL, Nov 03, 2026: From CAD 424
    03

    Tu

  • SEA–YUL, Nov 04, 2026: From CAD 424
    04

    We

  • SEA–YUL, Nov 05, 2026: From CAD 470
    05

    Th

  • SEA–YUL, Nov 06, 2026: From CAD 470
    06

    Fr

  • SEA–YUL, Nov 07, 2026: From CAD 424
    07

    Sa

  • SEA–YUL, Nov 08, 2026: From CAD 470
    08

    Su

    • RangeCAD 424-CAD 660

    *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 Seattle (SEA) to Montréal (YUL) | Air Canada

    Flights between Seattle and Montréal - our lowest fares in points

    pts
    keyboard_arrow_down
    Flights between Seattle and Montréal - our lowest fares in points
    From
    To
    Fare Type
    Departure
    Price
    Seattle (SEA)Montréal (YUL)One-way
    /
    Economy    		 Aug 03, 2027

    From

    14,413 pts
    + CAD 81

    Viewed: 3 hours ago

    Seattle (SEA)Montréal (YUL)One-way
    /
    Economy    		 May 29, 2027

    From

    28,826 pts
    + CAD 161

    Viewed: 2 hours ago

    Seattle (SEA)Montréal (YUL)One-way
    /
    Economy    		 May 30, 2027

    From

    41,196 pts
    + CAD 161

    Viewed: 2 hours ago

    *Points displayed do not reflect preferred pricing for Aeroplan Elite Status Members and/or Aeroplan Credit Cardholders. Prices have been collected within the past 48 hrs and may no longer be available at time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.

    Explore all routes from Seattle to Montréal