Seattle to Singapore
Seattle to Singapore is cheapest in November. June, the most expensive month we measured, costs about 475 € more.
Seattle to Singapore is 12,979 km flown direct. Every fare we measured came from WS.
That comes from pricing 81 departure dates across 6 months. Every figure below is a fare we measured on the day shown, not a live quote. When we have nothing fresh to say about a route, its page stops existing.
What is a good price from Seattle to Singapore?
Anything at or below the quarter mark beats three in four of the 81 one-way fares we measured here. Above the median, wait or move the date.
seen 26 Sep 2026
How far ahead do the cheap fares sit?
When we measured, the cheapest quarter of fares sat between 49 and 60 days before departure, closer in than the market as a whole. The cheap fares were on nearer dates, not months away, when we looked.
a snapshot of where the cheap seats sat, seen 26 Sep 2026
Which day of the week is cheapest?
On average, Monday departures came out lowest and Tuesday highest, a spread of about 115 €. The day matters less than the month here: pick the month first, then the day.