Cheapest return flights from Madrid to Boston in December from $339

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 December 2025 (see full year).

Return flights

08 Dec - 14 Dec Fly Play
22 Dec - 22 Jan Fly Play
04 Dec - 09 Dec Delta
04 Dec - 09 Dec Iberia direct
10 Dec - 14 Dec Aer Lingus
12 Dec - 31 Dec TAP
20 Dec - 03 Jan TAP
17 Dec - 28 Dec Air Canada
20 Dec - 27 Dec TAP

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

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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