Direct (nonstop) flights from Seattle to Singapore
1 airline flys nonstop from Seattle Tacoma International (SEA) to Singapore Changi Airport (SIN). It's 8,070 miles (12,988 km), about 17h in the air. Operated by Singapore Airlines.
Singapore Airlines
Route data last updated: May 30, 2026
Airlines with non-stop flights
SQ
Singapore Airlines
Alternative Routes
Other ways to fly from Seattle to Singapore with one stop · direct emits 1234 kg CO₂ per passenger
Looking for the return flight?
SIN → SEA: Flights from Singapore to SeattleOther direct flights from Seattle
Direct flights from Singapore (SIN)
Frequently Asked Questions
How long is the direct flight from Seattle to Singapore?
A nonstop flight from Seattle (SEA) to Singapore (SIN) takes approximately 17 hours. The distance is 8,070 miles (12,988 km).
Which airlines fly nonstop from Seattle to Singapore?
Just Singapore Airlines.
Is there a nonstop flight from Seattle to Singapore?
Yes. 1 airline: Singapore Airlines.
How far is Seattle from Singapore?
The flight distance from Seattle to Singapore is 8,070 miles (12,988 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Sydney.
What is the time difference between Seattle and Singapore?
Singapore is 15 hours ahead of Seattle. (America/Los_Angeles vs Asia/Singapore.)
Will I experience jet lag flying from Seattle to Singapore?
Probably — 15-hour time difference means significant jet lag. Expect about 1 day of adjustment per hour of shift. Flying eastward is generally harder to adjust to.
What type of aircraft flies from Seattle to Singapore?
At 17h, this route typically uses wide-body aircraft — Boeing 777, 787, or Airbus A330/A350. Varies by airline.
Do I need a visa to travel from USA to Singapore?
Depends on your passport. Check with the Singapore embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Seattle to Singapore?
Roughly 1234 kg CO2 per passenger one-way. That's about the same as driving 6,170 km.
Is the return flight from Singapore to Seattle also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Seattle to Singapore?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. For long-haul, booking 2-3 months out tends to help. Use "Check Prices" above to compare.
How early should I arrive at Seattle Tacoma International for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.