Flights from Seattle to Mertola

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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.

Scandinavian Airlines
Scandinavian Airlines
Swiss International Air Lines
Air Canada
Air Canada
United
Swiss International Air Lines
Swiss International Air Lines
United
Air Canada
Air Canada
Lufthansa
Aer Lingus
KLM
United
British Airways
Air Canada
American Airlines
TAP Portugal
Brussels Airlines