Deal Brief
SEA to SIN is currently available as a round-trip redemption for 85,700 points plus taxes not reported by program. This option prices in Economy through united+singapore, with strong seat availability.
Route: Best Round-Trip Deal: Seattle to Singapore
Route code: SEA -> SIN + SIN -> SEA
Program: United MileagePlus / Singapore KrisFlyer (Mixed)
Airline: Singapore Airlines
Trip style: 10 days
Travel window: Multiple
Available dates:
September 2026 (3) cash price unavailable
- SEP-9 to SEP-19
- SEP-21 to OCT-1
- SEP-23 to OCT-3
Cash fares are approximate round-trip prices via Travelpayouts. Point value = (cash fare − taxes) ÷ points. united+singapore baseline: 1.3¢/pt.
Additional Deal Information
Data Last Refreshed
Quality Score Breakdown · 73/100
Absolute Cost
20 / 50
Seat Availability
10 / 10
Cabin Tier
0 / 10
Freshness
1 / 1
Destination Tier
8 / 8
Tax Efficiency 14% cash
15 / 18
Airline Product
0 / 7
Additional Flight Information
Outbound · SEA → SIN
Booked via United MileagePlus
Return · SIN → SEA
Booked via Singapore KrisFlyer
Airline: Singapore Airlines
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.