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

Return flights

08 Apr - 13 Apr	Finnair
16 Apr - 22 Apr	Iberia	direct
30 Apr - 04 May	Iberia	direct
08 Apr - 13 Apr	British Airways	direct
20 Apr - 27 Apr	Iberia	direct
13 Apr - 20 Apr	Iberia	direct
16 Apr - 23 Apr	Iberia	direct
21 Apr - 28 Apr	Iberia	direct
22 Apr - 29 Apr	Iberia	direct
07 Apr - 14 Apr	Iberia
15 Apr - 22 Apr	Iberia
29 Apr - 04 May	British Airways	direct
29 Apr - 06 May	Iberia
30 Apr - 07 May	Iberia
28 Apr - 04 May	Iberia
29 Apr - 05 May	Iberia
30 Apr - 03 May	TAP
27 Apr - 04 May	British Airways
29 Apr - 03 May	Iberia
17 Apr - 03 May	TAP

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

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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Cheapest return flights from Madrid to Boston in April from 391€

Return flights