Deal Brief
SEA to LHR is currently available as a round-trip redemption for 92,250 points plus taxes not reported by program. This option prices in Premium Economy through flyingblue+british, with strong seat availability.
Route: Best Round-Trip Deal: Seattle to London
Route code: SEA -> LHR + LHR -> SEA
Program: Flying Blue / british (Mixed)
Airline: British Airways
Trip style: 21 days
Travel window: JAN-12 to FEB-2
Available dates:
January 2027 (1) cash price unavailable
- JAN-12 to FEB-2
Cash fares are approximate round-trip prices via Travelpayouts. Point value = (cash fare − taxes) ÷ points. flyingblue+british baseline: 1.3¢/pt.
Additional Deal Information
Data Last Refreshed
Quality Score Breakdown · 54/100
Absolute Cost
12 / 50
Seat Availability
10 / 10
Cabin Tier
4 / 10
Freshness
0 / 1
Destination Tier
8 / 8
Tax Efficiency 38% cash
7 / 18
Airline Product
1 / 7
Additional Flight Information
Outbound · SEA → LHR
Booked via Flying Blue
Return · LHR → SEA
Booked via british
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.