Deal Brief
SEA to LHR is currently available as a round-trip redemption for 39,000 points plus $385.83 in taxes. This option prices in Economy through virginatlantic+alaska, with strong seat availability.
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 / Alaska Airlines
Trip style: 4 days
Travel window: Multiple
Available dates:
September 2026 (7) cash price unavailable
- SEP-8 to SEP-12
- SEP-15 to SEP-19
- SEP-22 to SEP-26
- SEP-23 to SEP-27
- SEP-27 to OCT-1
- SEP-28 to OCT-2
- SEP-29 to OCT-3
October 2026 (18) cash price unavailable
- OCT-1 to OCT-5
- OCT-2 to OCT-6
- OCT-3 to OCT-7
- OCT-4 to OCT-8
- OCT-5 to OCT-9
- OCT-8 to OCT-12
- OCT-9 to OCT-13
- OCT-10 to OCT-14
- OCT-11 to OCT-15
- OCT-12 to OCT-16
- OCT-14 to OCT-18
- OCT-15 to OCT-19
- OCT-16 to OCT-20
- OCT-17 to OCT-21
- OCT-18 to OCT-22
- OCT-19 to OCT-23
- OCT-21 to OCT-25
- OCT-22 to OCT-26
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 · 71/100
Absolute Cost
28 / 50
Seat Availability
10 / 10
Cabin Tier
0 / 10
Freshness
1 / 1
Destination Tier
8 / 8
Tax Efficiency 43% cash
6 / 18
Airline Product
0 / 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: Alaska 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.