Cheapest one-way flights from Seattle to Singapore in December from $855
AirHint found the following cheapest one-way flights from Seattle (SEA) to Singapore (SIN) in December 2024 (see full year).
One-Way flights
| 14 Dec | Thai Airways | ||
| 14 Dec | Singapore Airlines | direct |
Also check the deals for return flights from Seattle to Singapore in December.
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.
