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

Return flights

01 Apr - 08 Apr	TAP
06 Apr - 12 Apr	TAP
17 Apr - 23 Apr	TAP
02 Apr - 06 Apr	TAP
08 Apr - 15 Apr	TAP
17 Apr - 21 Apr	TAP
04 Apr - 11 Apr	TAP
17 Apr - 25 Apr	TAP
17 Apr - 21 Apr	Finnair	direct
30 Apr - 03 May	Finnair	direct
16 Apr - 22 Apr	Aer Lingus
24 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 $477

Return flights