Travel with Air Canada from Montréal to Seattle (YUL - SEA) from CAD 330*

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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 Montréal and Seattle - our lowest fares in cash

Aug 2026
FromCAD 495*
One way/Economy
Sep 2026
FromCAD 330*
One way/Economy
Oct 2026
FromCAD 330*
One way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label CAD 330
cmp-daily-histogram-bars-legend-max-price-aria-label CAD 957
Displaying fares for August-2026
  • YUL–SEA, Aug 27, 2026: From CAD 495
    27

    Th

    AUG

  • YUL–SEA, Aug 28, 2026: From CAD 538
    28

    Fr

  • YUL–SEA, Aug 29, 2026: From CAD 919
    29

    Sa

  • YUL–SEA, Aug 30, 2026: From CAD 957
    30

    Su

  • YUL–SEA, Aug 31, 2026: From CAD 914
    31

    Mo

  • YUL–SEA, Sep 01, 2026: From CAD 488
    01

    Tu

    SEP

  • YUL–SEA, Sep 02, 2026: From CAD 506
    02

    We

  • YUL–SEA, Sep 03, 2026: From CAD 538
    03

    Th

  • YUL–SEA, Sep 04, 2026: From CAD 751
    04

    Fr

  • YUL–SEA, Sep 05, 2026: From CAD 751
    05

    Sa

  • YUL–SEA, Sep 06, 2026: From CAD 495
    06

    Su

  • YUL–SEA, Sep 07, 2026: From CAD 664
    07

    Mo

  • YUL–SEA, Sep 08, 2026: From CAD 444
    08

    Tu

  • YUL–SEA, Sep 09, 2026: From CAD 444
    09

    We

  • YUL–SEA, Sep 10, 2026: From CAD 396
    10

    Th

  • YUL–SEA, Sep 11, 2026: From CAD 353
    11

    Fr

  • YUL–SEA, Sep 12, 2026: From CAD 330
    12

    Sa

  • YUL–SEA, Sep 13, 2026: From CAD 628
    13

    Su

  • YUL–SEA, Sep 14, 2026: From CAD 356
    14

    Mo

  • YUL–SEA, Sep 15, 2026: From CAD 373
    15

    Tu

  • YUL–SEA, Sep 16, 2026: From CAD 330
    16

    We

  • YUL–SEA, Sep 17, 2026: From CAD 353
    17

    Th

  • YUL–SEA, Sep 18, 2026: From CAD 353
    18

    Fr

  • YUL–SEA, Sep 19, 2026: From CAD 373
    19

    Sa

  • YUL–SEA, Sep 20, 2026: From CAD 611
    20

    Su

  • YUL–SEA, Sep 21, 2026: From CAD 353
    21

    Mo

  • YUL–SEA, Sep 22, 2026: From CAD 330
    22

    Tu

  • YUL–SEA, Sep 23, 2026: From CAD 330
    23

    We

  • YUL–SEA, Sep 24, 2026: From CAD 353
    24

    Th

  • YUL–SEA, Sep 25, 2026: From CAD 353
    25

    Fr

  • YUL–SEA, Sep 26, 2026: From CAD 330
    26

    Sa

    • RangeCAD 330-CAD 957

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

    Flights between Montréal and Seattle - our lowest fares in points

    pts
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    Flights between Montréal and Seattle - our lowest fares in points
    From
    To
    Fare Type
    Departure
    Price
    Montréal (YUL)Seattle (SEA)One-way
    /
    Economy    		 Oct 28, 2026

    From

    12,500 pts
    + CAD 172

    Viewed: 1 day ago

    Montréal (YUL)Seattle (SEA)One-way
    /
    Economy    		 Sep 28, 2026

    From

    14,000 pts
    + CAD 173

    Viewed: 1 day ago

    Montréal (YUL)Seattle (SEA)One-way
    /
    Economy    		 Oct 03, 2026

    From

    12,500 pts
    + CAD 173

    Viewed: 3 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 Montréal to Seattle