Travel with Air Canada from Seattle to Montréal (SEA - YUL) from CAD 368*

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*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 556*
One way/Economy
Nov 2026
FromCAD 368*
One way/Economy
Dec 2026
FromCAD 368*
One way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label CAD 368
cmp-daily-histogram-bars-legend-max-price-aria-label CAD 975
Displaying fares for October-2026
  • SEA–YUL, Oct 29, 2026: From CAD 975
    29

    Th

    OCT

  • SEA–YUL, Oct 30, 2026: From CAD 679
    30

    Fr

  • SEA–YUL, Oct 31, 2026: From CAD 556
    31

    Sa

  • SEA–YUL, Nov 01, 2026: From CAD 635
    01

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    NOV

  • SEA–YUL, Nov 02, 2026: From CAD 635
    02

    Mo

  • SEA–YUL, Nov 03, 2026: From CAD 556
    03

    Tu

  • SEA–YUL: cmp-view-offers-disclaimer. Find offers
    04

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    05

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    06

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    07

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    08

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    09

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    10

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    11

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    12

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    13

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    14

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    15

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    16

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    17

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    18

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  • SEA–YUL: cmp-view-offers-disclaimer. Find offers
    19

    Th

  • SEA–YUL, Nov 20, 2026: From CAD 424
    20

    Fr

  • SEA–YUL, Nov 21, 2026: From CAD 380
    21

    Sa

  • SEA–YUL, Nov 22, 2026: From CAD 380
    22

    Su

  • SEA–YUL, Nov 23, 2026: From CAD 368
    23

    Mo

  • SEA–YUL, Nov 24, 2026: From CAD 368
    24

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  • SEA–YUL, Nov 25, 2026: From CAD 368
    25

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  • SEA–YUL, Nov 26, 2026: From CAD 368
    26

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  • SEA–YUL, Nov 27, 2026: From CAD 368
    27

    Fr

  • SEA–YUL, Nov 28, 2026: From CAD 368
    28

    Sa

    • RangeCAD 368-CAD 975

    *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
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    Flights between Seattle and Montréal - our lowest fares in points
    From
    To
    Fare Type
    Departure
    Price
    Seattle (SEA)Montréal (YUL)One-way
    /
    Economy    		 Dec 18, 2026

    From

    70,528 pts
    + CAD 77

    Viewed: 1 hour ago

    Seattle (SEA)Montréal (YUL)One-way
    /
    Economy    		 Nov 01, 2026

    From

    14,413 pts
    + CAD 80

    Viewed: 1 day ago

    Seattle (SEA)Montréal (YUL)One-way
    /
    Economy    		 Dec 20, 2026

    From

    24,745 pts
    + CAD 88

    Viewed: 22 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