AirHint found the following cheapest one-way flights from Madrid (MAD) to Boston (BOS) in December 2026 (see full year).
One-Way flights
| 04 Dec | TAP | ||
| 03 Dec | TAP | ||
| 03 Dec | British Airways | direct | |
| 17 Dec | Iberia | direct | |
| 01 Dec | Iberia | direct | |
| 08 Dec | Iberia | direct | |
| 14 Dec | Iberia | direct | |
| 15 Dec | Iberia | direct | |
| 16 Dec | Iberia | direct | |
| 24 Dec | Iberia | direct |
Also check the deals for return flights from Madrid to Boston in December.
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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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