Deal Brief
SEA to LHR is currently available as a round-trip redemption for 58,000 points plus $1004.23 in taxes. This option prices in Premium Economy through virginatlantic+alaska, with 3 seats currently showing.
Route: Best Round-Trip Deal: Seattle to London
Route code: SEA -> LHR + LHR -> SEA
Program: Virgin Atlantic Flying Club / Alaska Mileage Plan (Mixed)
Airline: Virgin Atlantic / British Airways
Trip style: 19 days
Travel window: OCT-24 to NOV-12
Available dates:
October 2026 (1) cash price unavailable
- OCT-24 to NOV-12
Cash fares are approximate round-trip prices via Travelpayouts. Point value = (cash fare − taxes) ÷ points. virginatlantic+alaska baseline: 1.3¢/pt.
Additional Deal Information
Data Last Refreshed
Quality Score Breakdown · 61/100
Absolute Cost
20 / 50
Seat Availability
6 / 10
Cabin Tier
4 / 10
Freshness
0 / 1
Destination Tier
8 / 8
Tax Efficiency 57% cash
3 / 18
Airline Product
1 / 7
Additional Flight Information
Outbound · SEA → LHR
Booked via Virgin Atlantic Flying Club
Airline: Virgin Atlantic
Return · LHR → SEA
Booked via Alaska Mileage Plan
Airline: British Airways
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.