Deal Brief
BOS to LIS is currently available as a round-trip redemption for 176,000 points plus $81.23 in taxes. This option prices in Business through United MileagePlus, with strong seat availability.
Route: Best Round-Trip Deal: Boston to Lisbon
Route code: BOS -> LIS + LIS -> BOS
Program: United MileagePlus
Trip style: 5 days
Travel window: Multiple
Available dates:
August 2026 (1) cash price unavailable
- AUG-2 to AUG-7
October 2026 (1) cash price unavailable
- OCT-19 to OCT-24
November 2026 (1) cash price unavailable
- NOV-16 to NOV-21
December 2026 (2) cash price unavailable
- DEC-7 to DEC-12
- DEC-14 to DEC-19
January 2027 (8) cash price unavailable
- JAN-9 to JAN-14
- JAN-15 to JAN-20
- JAN-16 to JAN-21
- JAN-17 to JAN-22
- JAN-18 to JAN-23
- JAN-19 to JAN-24
- JAN-20 to JAN-25
- JAN-23 to JAN-28
Cash fares are approximate round-trip prices via Travelpayouts. Point value = (cash fare − taxes) ÷ points. United MileagePlus baseline: 1.4¢/pt.
Additional Deal Information
Data Last Refreshed
Quality Score Breakdown · 78/100
Absolute Cost
35 / 50
Seat Availability
10 / 10
Cabin Tier
8 / 10
Freshness
1 / 1
Destination Tier
0 / 8
Tax Efficiency 3% cash
18 / 18
Airline Product
3 / 7