AirHint found the following cheapest return flights from Madrid (MAD) to Boston (BOS) in November 2025 (see full year).

Return flights

10 Nov - 18 Nov	British Airways
20 Nov - 30 Nov	Delta
06 Nov - 09 Nov	Delta
25 Nov - 09 Dec	KLM
25 Nov - 11 Dec	British Airways
04 Nov - 30 Nov	KLM
16 Nov - 22 Nov	Delta
20 Nov - 07 Dec	KLM
04 Nov - 11 Nov	Iberia	direct
11 Nov - 18 Nov	Iberia	direct
03 Nov - 10 Nov	Iberia
05 Nov - 12 Nov	Iberia
19 Nov - 26 Nov	Iberia
24 Nov - 01 Dec	Iberia	direct
25 Nov - 02 Dec	Iberia	direct
26 Nov - 03 Dec	Iberia
27 Nov - 04 Dec	Iberia	direct
25 Nov - 09 Dec	Iberia	direct
25 Nov - 11 Dec	Iberia	direct
29 Nov - 02 Dec	Iberia	direct

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

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 November from 371€

Return flights