Cheapest return flights from Boston to Lisbon in July from $553

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

14 Jul - 22 Jul LEVEL
28 Jul - 04 Aug LEVEL
28 Jul - 12 Aug LEVEL
22 Jul - 06 Aug LEVEL
16 Jul - 22 Jul LEVEL
01 Jul - 08 Jul LEVEL
08 Jul - 15 Jul TAP direct
29 Jul - 05 Aug LEVEL
30 Jul - 06 Aug LEVEL
20 Jul - 17 Aug LEVEL
26 Jul - 30 Aug United
13 Jul - 12 Aug LEVEL
14 Jul - 22 Jul TAP direct
13 Jul - 21 Jul LEVEL
23 Jul - 30 Jul Air Canada
02 Jul - 17 Jul LEVEL
24 Jul - 30 Jul Air Canada
21 Jul - 28 Jul Air Canada
26 Jul - 30 Aug Delta direct
28 Jul - 12 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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