Deal Brief
BOS to LIS is currently available as a round-trip redemption for 52,000 points plus $233.29 in taxes. This option prices in Economy through united+virginatlantic, with strong seat availability.
Route: Best Round-Trip Deal: Boston to Lisbon
Route code: BOS -> LIS + LIS -> BOS
Program: United MileagePlus / Virgin Atlantic Flying Club (Mixed)
Trip style: 4 days
Travel window: Multiple
Available dates:
January 2027 (1) cash price unavailable
- JAN-25 to JAN-29
February 2027 (7) cash price unavailable
- FEB-1 to FEB-5
- FEB-2 to FEB-6
- FEB-3 to FEB-7
- FEB-4 to FEB-8
- 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. united+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 United MileagePlus
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.