Cheapest return flights from Seattle to Lisbon in July from $814

AirHint found the following cheapest return flights from Seattle (SEA) to Lisbon (LIS) in July 2025 (see full year).

Return flights

09 Jul - 16 Jul Turkish Airlines
18 Jul - 25 Jul Lufthansa
09 Jul - 19 Jul Air Canada
07 Jul - 14 Jul SWISS
15 Jul - 19 Jul Icelandair
05 Jul - 13 Jul Icelandair
04 Jul - 13 Jul Scandinavian Airlines
02 Jul - 05 Jul Air Canada

Also check the deals for one-way flights from Seattle to Lisbon in July.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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