Deal Brief
SEA to LHR is currently available as a round-trip redemption for 117,500 points plus $792.93 in taxes. This option prices in Business through flyingblue+american, with 3 seats currently showing.
Route: Best Round-Trip Deal: Seattle to London
Route code: SEA -> LHR + LHR -> SEA
Program: Flying Blue / American AAdvantage (Mixed)
Trip style: 5 days
Travel window: APR-25 to APR-30
Available dates:
April 2026 (1) cash price unavailable
- APR-25 to APR-30
Cash fares are approximate round-trip prices via Travelpayouts. Point value = (cash fare − taxes) ÷ points. flyingblue+american baseline: 1.3¢/pt.
Additional Deal Information
Data Last Refreshed
Quality Score Breakdown · 75/100
Absolute Cost
35 / 50
Seat Availability
6 / 10
Cabin Tier
8 / 10
Freshness
0 / 1
Destination Tier
8 / 8
Tax Efficiency 34% cash
8 / 18
Airline Product
3 / 7
Additional Flight Information
Outbound · SEA → LHR
Booked via Flying Blue
Return · LHR → SEA
Booked via American AAdvantage
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.