Boston→Lisbon
BOS–LIS
39% below the $754 typical for this route.
USD 462
≈ € 398
↔ round trip
bookable on September 2026
How we know this
The comparison comes from prices recorded on this exact route on 6 different departure dates we sampled in the last six weeks.
Found by our own radar rather than picked up from a deal blog.
total
40
echo
21/40
1 independent mention
freshness
4/30
last echoed 75h ago
value
15/30
no price history yet
How we rank the board. It isn't advice — the sentence at the top of the page is.