Flights Singapore — Seattle is a popular route. The straight-line distance is 12 978 km. Flight time 15h 46m. Time difference -15h.
The minimum price for the next 3 months — from $564 (05.12.2026). The cheapest dates are highlighted in the calendar above.
The average ticket price — $564, ranging from $564 to $564. Book 1–3 months in advance to get the best deals.