Cheapest return flights from Singapore to Seattle in October from $760

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

Return flights

20 Oct - 27 Oct China Airlines
22 Oct - 29 Oct United
23 Oct - 30 Oct United
14 Oct - 19 Oct United
17 Oct - 26 Oct United
16 Oct - 23 Oct United
07 Oct - 10 Oct Philippine Airlines
23 Oct - 30 Oct Singapore Airlines direct
17 Oct - 26 Oct Singapore Airlines direct
16 Oct - 23 Oct Singapore Airlines direct

Also check the deals for one-way flights from Singapore to Seattle in October.

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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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