Cheapest return LIS–BOS flights, August

AirHint found the following cheapest return flights from Lisbon (LIS) to Boston (BOS) in August 2026 (see full year).

Return flights

06 Aug - 06 Sep Iberia
04 Aug - 20 Aug LEVEL
29 Aug - 02 Sep LEVEL
29 Aug - 04 Sep Air France
28 Aug - 03 Sep KLM
23 Aug - 23 Aug LEVEL
17 Aug - 09 Sep Iberia
29 Aug - 29 Aug United
29 Aug - 02 Sep TAP direct
11 Aug - 25 Aug TAP direct
06 Aug - 06 Sep TAP direct
17 Aug - 09 Sep TAP direct
18 Aug - 28 Aug Iberia
18 Aug - 28 Aug Virgin Atlantic direct
28 Aug - 03 Sep TAP direct
23 Aug - 24 Aug Turkish Airlines
29 Aug - 04 Sep Virgin Atlantic direct
23 Aug - 28 Aug Iberia
23 Aug - 25 Aug LEVEL
29 Aug - 29 Aug TAP direct

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

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