Cheapest one-way flights from Boston to Madrid in July from $243

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

One-Way flights

27 Jul LEVEL
22 Jul LEVEL
27 Jul jetBlue direct
04 Jul KLM
22 Jul British Airways direct
03 Jul TAP
23 Jul Air France direct
30 Jul Iberia direct
31 Jul Iberia direct
19 Jul Iberia direct

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

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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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