Cheapest return flights from Boston to Madrid in August from 519€

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

Return flights

11 Aug - 25 Aug LEVEL
13 Aug - 23 Aug LEVEL
18 Aug - 26 Aug LEVEL
18 Aug - 26 Aug Air France direct
05 Aug - 23 Aug LEVEL
15 Aug - 25 Aug LEVEL
26 Aug - 02 Sep TAP
23 Aug - 30 Aug TAP
24 Aug - 30 Aug TAP
31 Aug - 07 Sep TAP
11 Aug - 25 Aug Air France direct
10 Aug - 16 Aug Aer Lingus

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

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