Cheapest return flights from Madrid to Boston in May from $318

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

09 May - 18 May Fly Play
05 May - 18 May Fly Play
02 May - 08 May Fly Play
16 May - 20 May Fly Play
02 May - 11 May Fly Play
19 May - 22 May Fly Play
23 May - 31 May Fly Play
19 May - 27 May Fly Play
18 May - 10 Jun Iberia Express
08 May - 14 May Ryanair
21 May - 11 Jun Ryanair
15 May - 27 May Iberia direct
15 May - 04 Jun Iberia
29 May - 05 Jun Finnair direct
28 May - 04 Jun Iberia
27 May - 02 Jun Iberia
16 May - 04 Jun Iberia
24 May - 02 Jun Finnair direct
18 May - 10 Jun Finnair direct
18 May - 09 Jun Finnair direct

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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