Deal Brief
BOS to LIS is currently available as a round-trip redemption for 50,400 points plus $233.80 in taxes. This option prices in Economy through delta+virginatlantic, with strong seat availability.
Route: Best Round-Trip Deal: Boston to Lisbon
Route code: BOS -> LIS + LIS -> BOS
Program: Delta SkyMiles / Virgin Atlantic Flying Club (Mixed)
Airline: Delta Air Lines
Trip style: 8 days
Travel window: SEP-14 to SEP-22
Available dates:
September 2026 (1) cash price unavailable
- SEP-14 to SEP-22
Cash fares are approximate round-trip prices via Travelpayouts. Point value = (cash fare − taxes) ÷ points. delta+virginatlantic baseline: 1.3¢/pt.
Additional Deal Information
Data Last Refreshed
Quality Score Breakdown · 65/100
Absolute Cost
28 / 50
Seat Availability
10 / 10
Cabin Tier
0 / 10
Freshness
1 / 1
Destination Tier
0 / 8
Tax Efficiency 26% cash
10 / 18
Airline Product
0 / 7
Additional Flight Information
Outbound · BOS → LIS
Booked via Delta SkyMiles
Airline: Delta Air Lines
Return · LIS → BOS
Booked via Virgin Atlantic Flying Club
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.