A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.
Departure window: through .
| Route / flight | Departure | Cabin | Book with | Points | Fees (USD) | Seats seen | Observed (UTC) |
|---|---|---|---|---|---|---|---|
| SEA → SIN SQ27 | Economy | LifeMiles | 60,000 | $26.00 | 5 | ||
| SEA → SIN SQ27 | Economy | LifeMiles | 60,000 | $26.00 | 5 | ||
| SEA → SIN SQ27 | Economy | LifeMiles | 60,000 | $26.00 | 2 | ||
| SEA → SIN SQ27 | Economy | LifeMiles | 60,000 | $26.00 | 2 | ||
| SEA → SIN SQ27 | Economy | LifeMiles | 60,000 | $26.00 | 5 | ||
| SEA → SIN SQ27 | Economy | LifeMiles | 60,000 | $26.00 | 4 | ||
| SEA → SIN SQ27 | Economy | LifeMiles | 60,000 | $26.00 | 5 | ||
| SEA → SIN SQ27 | Economy | LifeMiles | 60,000 | $53.00 | 5 | ||
| SEA → SIN SQ27 | Economy | LifeMiles | 60,000 | $53.00 | 4 | ||
| SEA → SIN SQ27 | Economy | LifeMiles | 60,000 | $26.00 | 4 | ||
| SEA → SIN SQ27 | Economy | LifeMiles | 60,000 | $26.00 | 4 | ||
| SEA → SIN SQ27 | Economy | LifeMiles | 60,000 | $53.00 | 3 |
Did you mean Flights from Singapore to Seattle?
Seattle
United StatesSEA
Seattle Tacoma International Airport
Singapore
SingaporeSIN
Singapore Changi International Airport
Seattle Tacoma International Airport (SEA) serves Seattle; Singapore Changi International Airport (SIN) serves Singapore.
The airports are 8,065 miles apart by great-circle distance.
Roame's current schedule feed shows nonstop service from SEA to SIN.
Marketing airlines listed in the current schedule, including codeshare sellers, are Singapore Airlines (SQ). This list does not identify the operating airline for each flight; check the flight details before booking.
Published schedule dates span Oct 1, 2026 – Sep 7, 2027.
These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.
Airline alliance affiliations represented: Star Alliance
Seattle Tacoma International Airport (SEA) is the origin airport and Singapore Changi International Airport (SIN) is the destination airport.
SEA and SIN are approximately 8,065 miles apart by great-circle distance.
Yes. Roame's current schedule feed shows nonstop service from SEA to SIN.
Marketing airlines listed in the current schedule, including codeshare sellers, are Singapore Airlines (SQ). This list does not identify the operating airline for each flight; check the flight details before booking.
Aircraft listed in the current schedule include Airbus A350-900 (359).