Cheapest one-way flights from Boston to Madrid in October from $303

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

One-Way flights

29 Oct TAP
14 Oct Iberia direct
26 Oct Iberia direct
27 Oct Iberia direct
28 Oct Iberia direct
18 Oct Iberia direct
19 Oct Iberia direct
20 Oct Iberia direct
21 Oct Iberia direct
12 Oct Iberia direct

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

Powered by

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.

Book a cheap hotel in Madrid

Cheap car rent in Madrid

Feel free to contact us with any feedback or request another flight research.