Deal Brief
BOS to LHR is currently available as a round-trip redemption for 113,400 points plus $659.31 in taxes. This option prices in Business through alaska+qantas, with 3 seats currently showing.
Route: Best Round-Trip Deal: Boston to London
Route code: BOS -> LHR + LHR -> BOS
Program: Alaska Mileage Plan / qantas (Mixed)
Airline: British Airways / American Airlines, British Airways
Trip style: 4 days
Travel window: Multiple
Available dates:
August 2026 (3) cash price unavailable
- AUG-21 to AUG-25
- AUG-22 to AUG-26
- AUG-23 to AUG-27
January 2027 (2) cash price unavailable
- JAN-29 to FEB-2
- JAN-30 to FEB-3
February 2027 (3) cash price unavailable
- FEB-5 to FEB-9
- FEB-6 to FEB-10
- FEB-7 to FEB-11
Cash fares are approximate round-trip prices via Travelpayouts. Point value = (cash fare − taxes) ÷ points. alaska+qantas baseline: 1.3¢/pt.
Additional Deal Information
Data Last Refreshed
Quality Score Breakdown · 73/100
Absolute Cost
35 / 50
Seat Availability
6 / 10
Cabin Tier
8 / 10
Freshness
1 / 1
Destination Tier
8 / 8
Tax Efficiency 31% cash
9 / 18
Airline Product
3 / 7
Additional Flight Information
Outbound · BOS → LHR
Booked via Alaska Mileage Plan
Airline: British Airways
Return · LHR → BOS
Booked via qantas
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.