Deal Brief
BOS to LHR is currently available as a round-trip redemption for 105,000 points plus $799.33 in taxes. This option prices in Business through flyingblue+alaska, with strong seat availability. This is 36% below the previously tracked price.
Route: Best Round-Trip Deal: Boston to London
Route code: BOS -> LHR + LHR -> BOS
Program: Flying Blue / Alaska Mileage Plan (Mixed)
Airline: British Airways
Trip style: 9 days
Travel window: Multiple
Available dates:
August 2026 (1) cash price unavailable
- AUG-3 to AUG-12
January 2027 (1) cash price unavailable
- JAN-25 to FEB-3
Cash fares are approximate round-trip prices via Travelpayouts. Point value = (cash fare − taxes) ÷ points. flyingblue+alaska baseline: 1.3¢/pt.
Additional Deal Information
Data Last Refreshed
Previous Price
163,500 pts
↓ 36%
Quality Score Breakdown · 75/100
Absolute Cost
35 / 50
Seat Availability
10 / 10
Cabin Tier
8 / 10
Freshness
1 / 1
Destination Tier
8 / 8
Tax Efficiency 37% cash
7 / 18
Airline Product
3 / 7
Additional Flight Information
Outbound · BOS → LHR
Booked via Flying Blue
Return · LHR → BOS
Booked via Alaska Mileage Plan
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.