Cheapest one-way flights from Boston to Madrid in January from 244€

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

One-Way flights

05 Jan British Airways
09 Jan Iberia
19 Jan British Airways
03 Jan British Airways
12 Jan Iberia direct
13 Jan Iberia direct
14 Jan Iberia direct
18 Jan Iberia direct
20 Jan Iberia direct
21 Jan Iberia direct

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

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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