Cheapest return flights from Seattle to Singapore in November from $603

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

Return flights

13 Nov - 18 Nov Singapore Airlines direct
04 Nov - 07 Nov Singapore Airlines direct
04 Nov - 09 Nov Singapore Airlines direct
04 Nov - 11 Nov Singapore Airlines direct
04 Nov - 14 Nov Singapore Airlines direct
04 Nov - 18 Nov Singapore Airlines direct
06 Nov - 09 Nov Singapore Airlines direct
06 Nov - 11 Nov Singapore Airlines direct
06 Nov - 13 Nov Singapore Airlines direct
06 Nov - 16 Nov Singapore Airlines direct
18 Nov - 02 Dec Singapore Airlines direct
20 Nov - 04 Dec Singapore Airlines direct
19 Nov - 03 Dec Philippine Airlines
23 Nov - 03 Dec Philippine Airlines
23 Nov - 07 Dec Philippine Airlines
25 Nov - 02 Dec Air Canada
22 Nov - 02 Dec Singapore Airlines direct
21 Nov - 05 Dec Air Canada
22 Nov - 06 Dec Air Canada
17 Nov - 01 Dec Air Canada

Also check the deals for one-way 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.

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