Cheapest return flights from Seattle to Lisbon in August from $750

Best time to book flights for Seattle (SEA) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Lisbon (LIS) in August 2024 (see full year).

Return flights

20 Aug - 27 Aug American Airlines
12 Aug - 23 Aug Icelandair
17 Aug - 01 Sep Icelandair
14 Aug - 27 Aug WestJet
28 Aug - 07 Sep WestJet
13 Aug - 20 Aug Air Canada
16 Aug - 29 Aug Air Canada
02 Aug - 14 Aug Delta
10 Aug - 24 Aug Air Canada

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

Skyscanner

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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