Deal Brief
BOS to LHR is currently available as a round-trip redemption for 43,500 points plus $238.53 in taxes. This option prices in Economy through alaska+american, with 3 seats currently showing.
Route: Best Round-Trip Deal: Boston to London
Route code: BOS -> LHR + LHR -> BOS
Program: Alaska Mileage Plan / American AAdvantage (Mixed)
Airline: American Airlines, British Airways
Trip style: 15 days
Travel window: OCT-27 to NOV-11
Available dates:
October 2026 (1) cash price unavailable
- OCT-27 to NOV-11
Cash fares are approximate round-trip prices via Travelpayouts. Point value = (cash fare − taxes) ÷ points. alaska+american baseline: 1.3¢/pt.
Additional Deal Information
Data Last Refreshed
Previous Price
New route — no history
Quality Score Breakdown · 76/100
Absolute Cost
28 / 50
Seat Availability
6 / 10
Cabin Tier
0 / 10
Freshness
0 / 1
Destination Tier
8 / 8
Tax Efficiency 30% cash
9 / 18
Airline Product
0 / 7
Additional Flight Information
Outbound · BOS → LHR
Booked via Alaska Mileage Plan
Airline: American Airlines, British Airways
Return · LHR → BOS
Booked via American AAdvantage
Airline: American Airlines, 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.