Cheap flights from Lisbon to Boston
Round-trip fares from Lisbon Humberto Delgado Airport (LIS) to Boston Logan International Airport (BOS) over the next few months. Cheapest right now: EUR 764. Based on recent samples, August 2026 currently looks like the cheapest month from EUR 764.
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Set a price alert| Depart | Return | Nights | Price | Book |
|---|---|---|---|---|
| Tue 04 Aug | Thu 20 Aug | 16 | EUR 764 | See deal |
| Mon 27 Jul | Wed 12 Aug | 16 | EUR 782 | See deal |
| Wed 29 Jul | Thu 20 Aug | 22 | EUR 834 | See deal |
Automatic checks 3 times per day. Prices may differ on the booking site due to some delay. Booking links may earn us a commission at no extra cost to you.