Cheapest return flights from Seattle to Split in September from 583€

AirHint found the following cheapest return flights from Seattle (SEA) to Split (SPU) in September 2025 (see full year).

Return flights

22 Sep - 29 Sep Aer Lingus

Also check the deals for one-way flights from Seattle to Split in September.

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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