Cheapest return flights from Boston to Madrid in March from $323

AirHint found the following cheapest return flights from Boston (BOS) to Madrid (MAD) in March 2026 (see full year).

Return flights

04 Mar - 11 Mar Iberia direct
10 Mar - 18 Mar Iberia
09 Mar - 18 Mar Iberia
24 Mar - 31 Mar Iberia
19 Mar - 23 Mar Air Canada
15 Mar - 04 Apr TAP
13 Mar - 04 Apr Aer Lingus
15 Mar - 04 Apr Finnair direct
13 Mar - 04 Apr Finnair direct

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

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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