Lisbon (LIS) to Boston (BOS) flight deal in economy from $512
$738 USD
-31%$512 USD
Verified about 23 hours agoOctober 2026
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Fair Availability
24% of dates checked are available within 10% of the lowest price
Tuesday, October 13th, 2026
4 round-trip options
Returning
Tue, Oct 20, 2026•7 Day Trip
$760 USD
Returning
Sun, Oct 25, 2026•12 Day Trip
$781 USD
Returning
Mon, Oct 26, 2026•13 Day Trip
$716 USD
Returning
Tue, Oct 27, 2026•14 Day Trip
$752 USD
