SingaporeSeattleNonstop Flight TimeSIN–SEA
Singapore (Singapore Changi Airport) to Seattle (Seattle-Tacoma International Airport).
Direct flights from SIN to SEA have an estimated flight time of about 17h 13m, based on the 8,065-mile great-circle distance. Our current captured departure sample includes 1/day across 1 captured airline, with Singapore Airlines appearing most often in that sample. Captured departure times run from 09:00 to 09:00 local time.
Plan this routeAt a glance
| Est. flight time | Distance | Route type | Captured freq. | Market |
|---|---|---|---|---|
| ~17h 13m Estimated from great-circle distance — no tracked flights yet. | 8,065 mi | Nonstop | 1/day From the current provider sample; confirm live timetables before booking. | International |
Airlines on this route
Captured nonstop airlines for SIN to SEA
Our current provider sample includes 1/day direct flights from SIN to SEA across 1 captured airline. Captured departure terminal data is available for 3.
- First departure
- 09:00
- Last departure
- 09:00
- Captured departures/day
- 1
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| Singapore Airlines | 1/day | Airbus A350 · Terminal 3 · Seat map | 09:00 |
Aircraft on this route
Flying the other way?
SEA to SIN flights — 1/day on 1 airline →Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for SIN to SEA, last seen June 15, 2026. Frequency uses 5 scheduled departures across 5 observed days; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.
Route FAQ
How long is the flight from SIN to SEA?
The SIN to SEA flight time is estimated at about 17h 13m from great-circle distance until enough tracked flights are available.
How far is SIN from SEA?
SIN to SEA is about 8,065 miles by air.
Are there nonstop flights from SIN to SEA?
Yes. Captured schedules show 1/day from SIN to SEA on Singapore Airlines. Confirm live timetables before booking.
Which airlines fly from SIN to SEA?
Our current provider sample for SIN to SEA includes Singapore Airlines. Confirm live timetables before booking.
What aircraft fly from SIN to SEA?
Aircraft captured in our current provider sample for SIN to SEA include Airbus A350.