Deal Brief
SEA to LHR is currently available as a round-trip redemption for 31,500 points plus $307.72 in taxes. This option prices in Economy through american+virginatlantic, with 2 seats currently showing.
Route: Best Round-Trip Deal: Seattle to London
Route code: SEA -> LHR + LHR -> SEA
Program: American AAdvantage / Virgin Atlantic Flying Club (Mixed)
Airline: Alaska Airlines / Delta Air Lines, Virgin Atlantic
Trip style: One week (Sunday-Saturday)
Travel window: Multiple
Available dates:
November 2026 (6) cash price unavailable
- NOV-2 to NOV-8
- NOV-9 to NOV-15
- NOV-15 to NOV-21
- NOV-15 to NOV-22
- NOV-15 to NOV-23
- NOV-16 to NOV-22
Cash fares are approximate round-trip prices via Travelpayouts. Point value = (cash fare − taxes) ÷ points. american+virginatlantic baseline: 1.3¢/pt.
Additional Deal Information
Data Last Refreshed
Quality Score Breakdown · 72/100
Absolute Cost
35 / 50
Seat Availability
2 / 10
Cabin Tier
0 / 10
Freshness
0 / 1
Destination Tier
8 / 8
Tax Efficiency 43% cash
6 / 18
Airline Product
0 / 7
Additional Flight Information
Outbound · SEA → LHR
Booked via American AAdvantage
Airline: Alaska Airlines
Return · LHR → SEA
Booked via Virgin Atlantic Flying Club
Airline: Delta Air Lines, Virgin Atlantic
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.