Cheapest return flights from Seattle to Florence in August from $663

AirHint found the following cheapest return flights from Seattle (SEA) to Florence (FLR) in August 2025 (see full year).

Return flights

23 Aug - 04 Sep Scandinavian Airlines
03 Aug - 22 Aug Lufthansa
09 Aug - 22 Aug Air Canada
24 Aug - 31 Aug Scandinavian Airlines
09 Aug - 23 Aug Icelandair
08 Aug - 23 Aug Icelandair
16 Aug - 23 Aug SWISS

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

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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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