Cheapest one-way flights from Seattle to Singapore in January from 279€

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

One-Way flights

18 Jan Singapore Airlines direct
22 Jan Singapore Airlines direct
23 Jan Singapore Airlines direct
20 Jan Singapore Airlines direct
31 Jan Singapore Airlines direct
27 Jan Singapore Airlines direct
25 Jan Singapore Airlines direct
15 Jan Air Canada
21 Jan Air Canada
13 Jan Air Canada

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

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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