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
€523
Typical for this route
€545
Current signal
Near typical
High fare
€656
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 197d 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
12 Sept → 24 Sept
DirectOut 6h 35mBack 7h 40m
TAP Air Portugal
€545
Typical range forming
Travel dates
14 Sept → 23 Sept
DirectOut 6h 35mBack 7h 40m
TAP Air Portugal
€524
Near typical
Travel dates
14 Sept → 24 Sept
DirectOut 6h 35mBack 7h 40m
TAP Air Portugal
€545
Near typical
Travel dates
14 Sept → 23 Sept
DirectOut 6h 35mBack 7h 40m
TAP Air Portugal
€523
Near typical
Travel dates
14 Sept → 24 Sept
DirectOut 6h 35mBack 7h 40m
TAP Air Portugal
€545
Near typical
Travel dates
15 Sept → 23 Sept
DirectOut 6h 35mBack 7h 40m
TAP Air Portugal
€656
20% above typical
Travel dates
15 Sept → 29 Sept
DirectOut 6h 35mBack 7h 40m
TAP Air Portugal
€656
20% above typical
Travel dates
15 Sept → 30 Sept
DirectOut 6h 35mBack 7h 40m
TAP Air Portugal
€656
20% above typical
Travel dates
15 Sept → 20 Sept
DirectOut 6h 35mBack 7h 40m
TAP Air Portugal
€653
20% above typical
Travel dates
15 Sept → 23 Sept
DirectOut 6h 35mBack 7h 40m
TAP Air Portugal
€653
20% above typical