Cheapest return flights from Madrid to Boston in May from $313

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 May 2025 (see full year).

Return flights

05 May - 11 May Fly Play
02 May - 04 May Fly Play
20 May - 04 Jun SWISS
21 May - 28 May United
20 May - 26 May Lufthansa
14 May - 22 May Lufthansa
29 May - 11 Jun Lufthansa
29 May - 09 Jun Lufthansa
31 May - 09 Jun Lufthansa
28 May - 10 Jun Lufthansa
21 May - 04 Jun Lufthansa
25 May - 02 Jun Lufthansa
17 May - 22 May Lufthansa
25 May - 01 Jun Lufthansa
24 May - 02 Jun Lufthansa
01 May - 13 May Lufthansa
20 May - 04 Jun Finnair direct
06 May - 16 May Lufthansa
01 May - 09 May Lufthansa
09 May - 17 May SWISS

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

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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