Deal Brief
SEA to SIN is currently available as a round-trip redemption for 84,200 points plus $103.43 in taxes. This option prices in Economy through united+alaska, with strong seat availability.
Route: Best Round-Trip Deal: Seattle to Singapore
Route code: SEA -> SIN + SIN -> SEA
Program: United MileagePlus / Alaska Mileage Plan (Mixed)
Trip style: 4 days
Travel window: Multiple
Available dates:
September 2026 (5) cash price unavailable
- SEP-9 to SEP-13
- SEP-14 to SEP-18
- SEP-16 to SEP-20
- SEP-21 to SEP-25
- SEP-23 to SEP-27
Cash fares are approximate round-trip prices via Travelpayouts. Point value = (cash fare − taxes) ÷ points. united+alaska baseline: 1.3¢/pt.
Additional Deal Information
Data Last Refreshed
Quality Score Breakdown · 75/100
Absolute Cost
20 / 50
Seat Availability
10 / 10
Cabin Tier
0 / 10
Freshness
1 / 1
Destination Tier
8 / 8
Tax Efficiency 9% cash
17 / 18
Airline Product
0 / 7
Additional Flight Information
Outbound · SEA → SIN
Booked via United MileagePlus
Return · SIN → SEA
Booked via Alaska Mileage Plan
Mixed booking: This round trip uses two different loyalty programs for the best combined price.
The booking program is where you redeem points. Different programs may price the same flight differently.