Flights From Seattle (SEA) to Lachute (YUL)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Selected fares from Seattle to Lachute

The cheapest prices found with in the last 7 days for return flights were CA $673 and CA $262 for one-way flights to Lachute for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Thu, Oct 1 - Mon, Oct 5
SEA
Seattle - Tacoma Intl.
YUL
Pierre Elliott Trudeau Intl.
CA $673 Roundtrip, found 1 day ago
CA $673
Roundtrip
found 1 day ago
Select WestJet flight, departing Thu, Oct 1 from Seattle - Tacoma Intl. to Pierre Elliott Trudeau Intl., returning Mon, Oct 5, priced at CA $673 found 1 day ago
WestJet
Fri, Aug 28 - Sun, Sep 6
SEA
Seattle - Tacoma Intl.
YUL
Pierre Elliott Trudeau Intl.
CA $690 Roundtrip, found 4 days ago
CA $690
Roundtrip
found 4 days ago
Select WestJet flight, departing Fri, Aug 28 from Seattle - Tacoma Intl. to Pierre Elliott Trudeau Intl., returning Sun, Sep 6, priced at CA $690 found 4 days ago
WestJet
Sun, Oct 11 - Fri, Oct 23
SEA
Seattle - Tacoma Intl.
YUL
Pierre Elliott Trudeau Intl.
CA $721 Roundtrip, found 21 hours ago
CA $721
Roundtrip
found 21 hours ago
Select WestJet flight, departing Sun, Oct 11 from Seattle - Tacoma Intl. to Pierre Elliott Trudeau Intl., returning Fri, Oct 23, priced at CA $721 found 21 hours ago