AirHint found the following cheapest one-way flights from Boston (BOS) to Barcelona (BCN) in March 2026 (see full year).
One-Way flights
| 09 Mar | Iberia For Level | direct | |
| 19 Mar | Iberia For Level | direct | |
| 15 Mar | Icelandair | ||
| 31 Mar | Iberia For Level | direct | |
| 18 Mar | Scandinavian Airlines | ||
| 22 Mar | jetBlue | ||
| 20 Mar | British Airways | ||
| 27 Mar | Iberia |
Also check the deals for return flights from Boston to Barcelona in March.
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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