Seattle to Singapore Business Class Flights
Lie-flat business class · 17h 00m · Singapore Airlines, Delta
Based on fares from the past 90 days. Prices vary by date.
Compare business class flights from Seattle to Singapore. Lie-flat seats from €2,200 on Singapore Airlines, Delta. Flight time 17h 00m, distance 13,450 km. Book 2-4 months ahead for the best fares.
Airlines on this route
Business class service between Seattle and Singapore is operated by Singapore Airlines and Delta . All carriers offer lie-flat seats with direct aisle access on this 13,450 km route, with typical flight times of 17h 00m.
What to expect on Seattle–Singapore
At 17h 00m, this long-haul route is where business class truly shines. Expect a fully lie-flat bed (Suite or Lie-flat), multi-course dining, and premium lounge access at Seattle. Singapore Airlines operates the most competitive fares starting at €2,200.
Seattle (SEA) — departure airport
Flights depart from Seattle (SEA). Business class passengers have access to premium lounges before departure. Your destination airport is Singapore (SIN). See our SEA airport guide for lounge details and SIN arrival info.
How to book Seattle to Singapore business class
Prices for business class from Seattle to Singapore range from €2,200 to €5,400. For routes above €1,500, booking 3–6 months ahead and being flexible with dates can save 20–30%. Set a price alert and wait for sales. Compare fares across 2 airlines — prices can vary by €1,600 or more depending on the carrier and season.