Cheapest return flights from Boston to Lisbon in July from 680€

Best time to book flights for Boston (BOS) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from Boston (BOS) to Lisbon (LIS) in July 2025 (see full year).

Return flights

31 Jul - 11 Aug Fly Play
10 Jul - 17 Jul Fly Play
14 Jul - 26 Aug Iberia
14 Jul - 21 Jul Fly Play
13 Jul - 23 Jul Fly Play
13 Jul - 20 Jul Fly Play
14 Jul - 26 Aug Virgin Atlantic direct
11 Jul - 18 Jul Fly Play
14 Jul - 21 Jul TAP direct
12 Jul - 19 Jul Azores Airlines
30 Jul - 08 Aug Air Canada
13 Jul - 23 Jul TAP direct
30 Jul - 08 Aug TAP direct
12 Jul - 19 Jul TAP direct
13 Jul - 20 Jul TAP direct
31 Jul - 11 Aug TAP direct

Also check the deals for one-way flights from Boston to Lisbon in July.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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