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

AirHint found the following cheapest one-way flights from Seattle (SEA) to Singapore (SIN) in October 2025 (see full year).

One-Way flights

07 Oct Air Canada
13 Oct United
19 Oct United
30 Oct Korean Air
30 Oct Singapore Airlines direct
19 Oct Singapore Airlines direct
07 Oct Singapore Airlines direct

Also check the deals for return flights from Seattle to Singapore in October.

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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