Economy Awards: Singapore to Seattle (SIN-SEA) — Points & Miles

3 economy class award options tracked from Singapore to Seattle, across 3 loyalty programs. Prices start from 34,200 points via United MileagePlus. Deal scores and availability are updated daily from live Seats.aero data — each deal is scored 0–100 based on point value, seat availability, and cash fare comparison.

United MileagePlus
77/100
34,200 pts
+$75 tax
View deal →
Singapore KrisFlyer
67/100
44,000 pts
+$0 tax
View deal →
Alaska Mileage Plan
63/100
42,500 pts
+$119 tax
View deal →
About these deals: Award availability is checked daily via Seats.aero. Each card shows the best deal available for that program. Click to see all dates and book.

Questions & Answers

How many points from SIN to SEA (Singapore to Seattle) in economy?
Economy class awards from Singapore (SIN) to Seattle (SEA) start from 34,200 points via United MileagePlus. 3 programs currently have availability on this route.
Which programs have SIN–SEA economy award availability?
Programs with current economy availability on SIN–SEA: United MileagePlus, Singapore KrisFlyer, Alaska Mileage Plan. Availability changes daily — check deal pages for live seat counts.
Are there nonstop economy award flights on SIN–SEA (Singapore to Seattle)?
Yes — nonstop economy award options are available on the Singapore–Seattle route. Check individual deal pages above for specific dates.
How do I book a economy award on SIN–SEA (Singapore to Seattle)?
Click any deal card above to see available dates and the loyalty program required. You need enough points in that program — Fluxora links directly to Seats.aero for real-time availability and booking.
Other cabin classes on this route
Premium Economy (1)Business (1)
Browse by program
UnitedSingaporeAlaskaAll from SingaporeAll to Seattle