Cheapest one-way flights from Seattle to Singapore in October from 330€

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

One-Way flights

30 Oct Air Canada
16 Oct Air Canada
19 Oct Asiana Airlines
23 Oct Air Canada
05 Oct Asiana Airlines
22 Oct United
26 Oct United
06 Oct Asiana Airlines
24 Oct Air Canada
30 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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