Cheap flights from Seattle to Cascais Coast from CA $461

Cheap flights from Seattle (SEA) to Cascais Coast (LIS)

Prices were available within the past 7 days and start at CA $461 for one-way flights and CA $693 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Nov. 15 - Thu, Dec. 4

SEA

Seattle

LIS

Lisbon

CA $693 Roundtrip, found 4 hours ago

CA $693

Roundtrip

found 4 hours ago

Select Icelandair flight, departing Sat, Nov. 15 from Seattle to Lisbon, returning Thu, Dec. 4, priced at CA $693 found 4 hours ago

Mon, Oct. 27 - Mon, Nov. 10

SEA

Seattle

LIS

Lisbon

CA $719 Roundtrip, found 3 days ago

CA $719

Roundtrip

found 3 days ago

Select United flight, departing Mon, Oct. 27 from Seattle to Lisbon, returning Mon, Nov. 10, priced at CA $719 found 3 days ago

Mon, Oct. 27 - Wed, Nov. 26

SEA

Seattle

LIS

Lisbon

CA $727 Roundtrip, found 6 days ago

CA $727

Roundtrip

found 6 days ago

Select Air Canada flight, departing Mon, Oct. 27 from Seattle to Lisbon, returning Wed, Nov. 26, priced at CA $727 found 6 days ago

Sat, Oct. 25 - Mon, Nov. 3

SEA

Seattle

LIS

Lisbon

CA $729 Roundtrip, found 2 days ago

CA $729

Roundtrip

found 2 days ago

Select Aer Lingus flight, departing Sat, Oct. 25 from Seattle to Lisbon, returning Mon, Nov. 3, priced at CA $729 found 2 days ago

Fri, Mar. 13 - Mon, Mar. 16

SEA

Seattle

LIS

Lisbon

CA $741 Roundtrip, found 4 days ago

CA $741

Roundtrip

found 4 days ago

Select American Airlines flight, departing Fri, Mar. 13 from Seattle to Lisbon, returning Mon, Mar. 16, priced at CA $741 found 4 days ago

Thu, Nov. 6 - Thu, Nov. 13

SEA

Seattle

LIS

Lisbon

CA $742 Roundtrip, found 4 days ago

CA $742

Roundtrip

found 4 days ago

Select British Airways flight, departing Thu, Nov. 6 from Seattle to Lisbon, returning Thu, Nov. 13, priced at CA $742 found 4 days ago