Cheap flights from Boston to Lisbon
Start here for the all-dates route view. Compare months, scan exact date pairs, then open a deal when the route lines up.
Lowest fare
€701
Typical for this route
€1,207
Current signal
42% below typical
High fare
€2,319
Destination view
Lisbon is on the radar. Use the offers below to compare dates fast.
Price radar insight
Direct Flights to Lisbon Now Available
Current fares to Lisbon are 21% below typical prices. This is a great opportunity for upcoming travel dates.
Updated 148d ago
Best months on radar
Open a month-by-month route view
These month pages answer when this route tends to open best without replacing the all-dates route hub.
Best dates right now
Pick your travel window
These are the cheapest date pairs we found for this route.
Travel dates
22 Jul → 27 Jul
DirectOut 6h 20mBack 7h 25m
KLM
€1,379
14% above typical
Travel dates
22 Jul → 29 Jul
DirectOut 6h 20mBack 7h 25m
KLM
€907
25% below typical
Travel dates
22 Jul → 30 Jul
DirectOut 6h 20mBack 7h 25m
KLM
€1,044
14% below typical
Travel dates
23 Jul → 28 Jul
DirectOut 6h 20mBack 7h 25m
Air France
€732
40% below typical
Travel dates
23 Jul → 30 Jul
DirectOut 6h 20mBack 7h 25m
KLM
€701
42% below typical
Travel dates
24 Jul → 29 Jul
DirectOut 6h 20mBack 7h 25m
Air France
€1,370
12% above typical
Travel dates
24 Jul → 30 Jul
DirectOut 6h 20mBack 7h 25m
KLM
€786
35% below typical
Travel dates
24 Jul → 31 Jul
DirectOut 6h 20mBack 7h 25m
KLM
€2,170
80% above typical
Travel dates
26 Jul → 31 Jul
DirectOut 6h 20mBack 7h 25m
Air France
€1,899
55% above typical
Travel dates
29 Jul → 5 Aug
DirectOut 6h 20mBack 7h 30m
KLM
€2,052
Typical range forming