Cheapest return flights from Seattle to Denpasar in September from $737

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

Return flights

09 Sep - 16 Sep Korean Air
17 Sep - 24 Sep Korean Air
09 Sep - 29 Sep Finnair
10 Sep - 21 Sep Korean Air
09 Sep - 28 Sep Cathay Pacific
27 Sep - 04 Oct Alaska Airlines
05 Sep - 14 Sep Cathay Pacific
26 Sep - 04 Oct WestJet

Also check the deals for one-way flights from Seattle to Denpasar 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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