Cheapest return flights from Boston to Madrid in October from $481

Best time to book flights for Boston (BOS) to Madrid (MAD) flights at AirHint

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

Return flights

01 Oct - 22 Oct TAP
13 Oct - 20 Oct TAP
01 Oct - 22 Oct Finnair direct
01 Oct - 08 Oct Iberia direct
23 Oct - 30 Oct Iberia direct
13 Oct - 20 Oct Iberia direct
02 Oct - 09 Oct Iberia direct
02 Oct - 05 Oct Iberia direct
01 Oct - 04 Oct Iberia

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

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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