Cheapest one-way flights from Boston to Madrid in October from $380

AirHint found the following cheapest one-way flights from Boston (BOS) to Madrid (MAD) in October 2026 (see full year).

One-Way flights

04 Oct Iberia direct
05 Oct Iberia direct
06 Oct Iberia direct
07 Oct Iberia direct
11 Oct Iberia direct
12 Oct Iberia direct
13 Oct Iberia direct
01 Oct Iberia direct
02 Oct Iberia direct
03 Oct Iberia direct

Also check the deals for return flights from Boston to Madrid in October.

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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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