Cheapest one-way flights from Boston to Madrid in March from $260

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

One-Way flights

04 Mar TAP
15 Mar TAP
04 Mar Iberia direct
07 Mar Air Canada
02 Mar Iberia direct
03 Mar Iberia direct
15 Mar Iberia direct
09 Mar Iberia
16 Mar Iberia direct
17 Mar Iberia direct

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

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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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