Cheapest return flights from Madrid to Boston in August from $517

Best time to book flights for Madrid (MAD) to Boston (BOS) flights at AirHint

AirHint found the following cheapest return flights from Madrid (MAD) to Boston (BOS) in August 2025 (see full year).

Return flights

28 Aug - 31 Aug Finnair direct
29 Aug - 01 Sep Iberia direct
30 Aug - 02 Sep Iberia direct
30 Aug - 10 Sep Iberia
29 Aug - 03 Sep Finnair direct
28 Aug - 06 Sep Finnair direct
30 Aug - 06 Sep Iberia direct
28 Aug - 04 Sep Iberia direct
27 Aug - 03 Sep Iberia
27 Aug - 02 Sep Iberia
25 Aug - 17 Sep Iberia
22 Aug - 24 Aug TAP
20 Aug - 27 Aug Iberia
05 Aug - 12 Aug Iberia
19 Aug - 27 Aug Iberia
21 Aug - 28 Aug Iberia
18 Aug - 27 Aug Iberia direct
19 Aug - 26 Aug Iberia
15 Aug - 26 Aug Iberia
14 Aug - 26 Aug Iberia

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

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.

Book a cheap hotel in Boston

Cheap car rent in Boston