Cheapest one-way flights from Seattle to Singapore in November from $301

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

One-Way flights

09 Nov Philippine Airlines
23 Nov Philippine Airlines
12 Nov Philippine Airlines
28 Nov Philippine Airlines
14 Nov Philippine Airlines
06 Nov Alaska Airlines
08 Nov Frontier Airlines
09 Nov Singapore Airlines direct
23 Nov Singapore Airlines direct
28 Nov Singapore Airlines direct

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

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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore

Feel free to contact us with any feedback or request another flight research.