Cheapest one-way flights from Seattle to Singapore in August from 333€

AirHint found the following cheapest one-way flights from Seattle (SEA) to Singapore (SIN) in August 2026 (see full year).

One-Way flights

14 Aug Asiana Airlines
06 Aug Asiana Airlines
07 Aug Asiana Airlines
04 Aug Asiana Airlines
04 Aug Singapore Airlines direct
14 Aug Singapore Airlines direct
06 Aug Singapore Airlines direct
07 Aug Singapore Airlines direct

Also check the deals for return flights from Seattle to Singapore 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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