Flights from Seattle to Lachute

Cheapest flights from Seattle

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 5 - Fri, Aug 29

SEA

Seattle - Tacoma Intl.

YUL

Pierre Elliott Trudeau Intl.

$734 Roundtrip, found 23 hours ago

$734

Roundtrip

found 23 hours ago

Select Delta flight, departing Tue, Aug 5 from Seattle - Tacoma Intl. to Pierre Elliott Trudeau Intl., returning Fri, Aug 29, priced at $734 found 23 hours ago

Tue, Aug 5 - Fri, Aug 29

SEA

Seattle - Tacoma Intl.

YUL

Pierre Elliott Trudeau Intl.

$758 Roundtrip, found 23 hours ago

$758

Roundtrip

found 23 hours ago

Select WestJet flight, departing Tue, Aug 5 from Seattle - Tacoma Intl. to Pierre Elliott Trudeau Intl., returning Fri, Aug 29, priced at $758 found 23 hours ago

Thu, Aug 7 - Tue, Aug 26

SEA

Seattle - Tacoma Intl.

YUL

Pierre Elliott Trudeau Intl.

$758 Roundtrip, found 23 hours ago

$758

Roundtrip

found 23 hours ago

Select WestJet flight, departing Thu, Aug 7 from Seattle - Tacoma Intl. to Pierre Elliott Trudeau Intl., returning Tue, Aug 26, priced at $758 found 23 hours ago

Tue, Aug 5 - Fri, Aug 29

SEA

Seattle - Tacoma Intl.

YUL

Pierre Elliott Trudeau Intl.

$777 Roundtrip, found 23 hours ago

$777

Roundtrip

found 23 hours ago

Select WestJet flight, departing Tue, Aug 5 from Seattle - Tacoma Intl. to Pierre Elliott Trudeau Intl., returning Fri, Aug 29, priced at $777 found 23 hours ago

Thu, Aug 7 - Fri, Aug 29

SEA

Seattle - Tacoma Intl.

YUL

Pierre Elliott Trudeau Intl.

$785 Roundtrip, found 23 hours ago

$785

Roundtrip

found 23 hours ago

Select WestJet flight, departing Thu, Aug 7 from Seattle - Tacoma Intl. to Pierre Elliott Trudeau Intl., returning Fri, Aug 29, priced at $785 found 23 hours ago

Tue, Aug 5 - Fri, Aug 29

SEA

Seattle - Tacoma Intl.

YUL

Pierre Elliott Trudeau Intl.

$815 Roundtrip, found 23 hours ago

$815

Roundtrip

found 23 hours ago

Select Delta flight, departing Tue, Aug 5 from Seattle - Tacoma Intl. to Pierre Elliott Trudeau Intl., returning Fri, Aug 29, priced at $815 found 23 hours ago

Sun, Aug 3 - Tue, Aug 26

SEA

Seattle - Tacoma Intl.

YUL

Pierre Elliott Trudeau Intl.

$850 Roundtrip, found 23 hours ago

$850

Roundtrip

found 23 hours ago

Select WestJet flight, departing Sun, Aug 3 from Seattle - Tacoma Intl. to Pierre Elliott Trudeau Intl., returning Tue, Aug 26, priced at $850 found 23 hours ago

Tue, Aug 5 - Fri, Aug 29

SEA

Seattle - Tacoma Intl.

YUL

Pierre Elliott Trudeau Intl.

$860 Roundtrip, found 23 hours ago

$860

Roundtrip

found 23 hours ago

Select WestJet flight, departing Tue, Aug 5 from Seattle - Tacoma Intl. to Pierre Elliott Trudeau Intl., returning Fri, Aug 29, priced at $860 found 23 hours ago

Tue, Aug 5 - Fri, Aug 29

SEA

Seattle - Tacoma Intl.

YUL

Pierre Elliott Trudeau Intl.

$862 Roundtrip, found 23 hours ago

$862

Roundtrip

found 23 hours ago

Select Delta flight, departing Tue, Aug 5 from Seattle - Tacoma Intl. to Pierre Elliott Trudeau Intl., returning Fri, Aug 29, priced at $862 found 23 hours ago

Tue, Aug 5 - Fri, Aug 29

SEA

Seattle - Tacoma Intl.

YUL

Pierre Elliott Trudeau Intl.

$866 Roundtrip, found 23 hours ago

$866

Roundtrip

found 23 hours ago

Select Delta flight, departing Tue, Aug 5 from Seattle - Tacoma Intl. to Pierre Elliott Trudeau Intl., returning Fri, Aug 29, priced at $866 found 23 hours ago

Tue, Aug 5 - Fri, Aug 29

SEA

Seattle - Tacoma Intl.

YUL

Pierre Elliott Trudeau Intl.

$872 Roundtrip, found 23 hours ago

$872

Roundtrip

found 23 hours ago

Select United flight, departing Tue, Aug 5 from Seattle - Tacoma Intl. to Pierre Elliott Trudeau Intl., returning Fri, Aug 29, priced at $872 found 23 hours ago

Sun, Aug 3 - Fri, Aug 29

SEA

Seattle - Tacoma Intl.

YUL

Pierre Elliott Trudeau Intl.

$876 Roundtrip, found 23 hours ago

$876

Roundtrip

found 23 hours ago

Select WestJet flight, departing Sun, Aug 3 from Seattle - Tacoma Intl. to Pierre Elliott Trudeau Intl., returning Fri, Aug 29, priced at $876 found 23 hours ago

Tue, Aug 5 - Fri, Aug 29

SEA

Seattle - Tacoma Intl.

YUL

Pierre Elliott Trudeau Intl.

$877 Roundtrip, found 23 hours ago

$877

Roundtrip

found 23 hours ago

Select United flight, departing Tue, Aug 5 from Seattle - Tacoma Intl. to Pierre Elliott Trudeau Intl., returning Fri, Aug 29, priced at $877 found 23 hours ago

Tue, Aug 5 - Fri, Aug 29

SEA

Seattle - Tacoma Intl.

YUL

Pierre Elliott Trudeau Intl.

$885 Roundtrip, found 23 hours ago

$885

Roundtrip

found 23 hours ago

Select WestJet flight, departing Tue, Aug 5 from Seattle - Tacoma Intl. to Pierre Elliott Trudeau Intl., returning Fri, Aug 29, priced at $885 found 23 hours ago

Fri, Aug 8 - Fri, Aug 29

SEA

Seattle - Tacoma Intl.

YUL

Pierre Elliott Trudeau Intl.

$887 Roundtrip, found 23 hours ago

$887

Roundtrip

found 23 hours ago

Select WestJet flight, departing Fri, Aug 8 from Seattle - Tacoma Intl. to Pierre Elliott Trudeau Intl., returning Fri, Aug 29, priced at $887 found 23 hours ago

Tue, Aug 5 - Fri, Aug 29

SEA

Seattle - Tacoma Intl.

YUL

Pierre Elliott Trudeau Intl.

$898 Roundtrip, found 23 hours ago

$898

Roundtrip

found 23 hours ago

Select Air Canada flight, departing Tue, Aug 5 from Seattle - Tacoma Intl. to Pierre Elliott Trudeau Intl., returning Fri, Aug 29, priced at $898 found 23 hours ago

Tue, Aug 5 - Fri, Aug 29

SEA

Seattle - Tacoma Intl.

YUL

Pierre Elliott Trudeau Intl.

$903 Roundtrip, found 23 hours ago

$903

Roundtrip

found 23 hours ago

Select Air Canada flight, departing Tue, Aug 5 from Seattle - Tacoma Intl. to Pierre Elliott Trudeau Intl., returning Fri, Aug 29, priced at $903 found 23 hours ago

Fri, Aug 8 - Wed, Aug 27

SEA

Seattle - Tacoma Intl.

YUL

Pierre Elliott Trudeau Intl.

$928 Roundtrip, found 23 hours ago

$928

Roundtrip

found 23 hours ago

Select Air Canada flight, departing Fri, Aug 8 from Seattle - Tacoma Intl. to Pierre Elliott Trudeau Intl., returning Wed, Aug 27, priced at $928 found 23 hours ago

Tue, Aug 5 - Fri, Aug 29

SEA

Seattle - Tacoma Intl.

YUL

Pierre Elliott Trudeau Intl.

$934 Roundtrip, found 23 hours ago

$934

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Tue, Aug 5 from Seattle - Tacoma Intl. to Pierre Elliott Trudeau Intl., returning Fri, Aug 29, priced at $934 found 23 hours ago

Tue, Aug 5 - Fri, Aug 29

SEA

Seattle - Tacoma Intl.

YUL

Pierre Elliott Trudeau Intl.

$1,073 Roundtrip, found 23 hours ago

$1,073

Roundtrip

found 23 hours ago

Select United flight, departing Tue, Aug 5 from Seattle - Tacoma Intl. to Pierre Elliott Trudeau Intl., returning Fri, Aug 29, priced at $1,073 found 23 hours ago