Cheap flights from Boston to Lisbon, Portugal for only $335 roundtrip with Air Canada and Lufthansa.
The example dates listed below range between $335 and $338 roundtrip.
DEPART:
Boston, USA
ARRIVE:
Lisbon, Portugal
RETURN:
Boston, USA
DATES:
Availability from September 2021 to May 2022 (excluding Christmas/New Year)
21st-28th Sep
19th-26th Oct
21st-28th Oct
25th Oct – 1st Nov
27th Oct – 3rd Nov
4th-11th Nov
8th-15th Nov
10th-17th Nov
14th-21st Nov
16th-23rd Nov
24th Nov – 1st Dec
26th Nov – 3rd Dec
30th Nov – 7th Dec
6th-13th Dec
8th-15th Dec
5th-12th Apr
25th Apr – 2nd May
1st-8th May
5th-12th May
7th-14th May
9th-16th May
11th-18th May
13th-20th May
17th-24th May
and more…
STOPS:
Various Cities
AIRLINES:
Air Canada
Lufthansa