Earn point on your loyalty program!arrow arc left

Cheap flights from Boston (BOS) to Lisbon (LIS)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Boston (BOS) to Lisbon (LIS)

How to find the cheapest flight from Boston (BOS) to Lisbon (LIS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to Lisbon (LIS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to Lisbon (LIS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Boston to Lisbon in July , August 2026

26 Jul - 31 Aug $ 769.00
BOS
Boston
TAP Portugal
DIRECT
LIS
Lisbon
LIS
Lisbon
TAP Portugal
DIRECT
BOS
Boston
Pick dates
26 Jul - 04 Aug $ 1,078.00
BOS
Boston
SATA Azores Airlines
DIRECT
LIS
Lisbon
LIS
Lisbon
SATA Azores Airlines
1 STOPS
BOS
Boston
Pick dates
29 Jul - 06 Aug $ 2,793.00
BOS
Boston
TAP Portugal
DIRECT
LIS
Lisbon
LIS
Lisbon
TAP Portugal
DIRECT
BOS
Boston
Pick dates

Last minute flights from Boston to Lisbon

26 Jul - 31 Jul $ 1,099.00
BOS
Boston
TAP Portugal
DIRECT
LIS
Lisbon
LIS
Lisbon
TAP Portugal
DIRECT
BOS
Boston
Pick dates
28 Jul - 31 Jul $ 1,296.00
BOS
Boston
TAP Portugal
DIRECT
LIS
Lisbon
LIS
Lisbon
TAP Portugal
DIRECT
BOS
Boston
Pick dates
26 Jul - 31 Jul $ 1,671.00
BOS
Boston
Air France
DIRECT
LIS
Lisbon
LIS
Lisbon
Air France
DIRECT
BOS
Boston
Pick dates

One-way flights to Lisbon from Boston

10:40 PM - 10:40 PM
TAP Portugal
0 Stops
6h 35m
BOS - LIS
$ 342
Kiwi
Pick dates
10:45 PM - 10:45 PM
TAP Portugal
0 Stops
6h 35m
BOS - LIS
$ 417
Kiwi
Pick dates
11:25 PM - 11:25 PM
KLM Royal Dutch Airlines
0 Stops
6h 20m
BOS - LIS
$ 1,672
Kiwi
Pick dates

How to find the cheapest flight from Boston (BOS) to Lisbon (LIS)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to Lisbon (LIS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to Lisbon (LIS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.