AirHint found the following cheapest one-way flights from Boston (BOS) to Madrid (MAD) in August 2026 (see full year).
One-Way flights
| 03 Aug | British Airways | direct | |
| 18 Aug | British Airways | direct | |
| 11 Aug | Iberia | direct | |
| 16 Aug | Iberia | direct | |
| 19 Aug | Iberia | direct | |
| 02 Aug | Iberia | direct | |
| 05 Aug | Iberia | ||
| 10 Aug | Iberia | ||
| 12 Aug | Iberia | ||
| 15 Aug | Iberia |
Also check the deals for return flights from Boston to Madrid in August.
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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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