AirHint found the following cheapest one-way flights from Boston (BOS) to Barcelona (BCN) in March 2026 (see full year).
One-Way flights
| 03 Mar | Iberia | direct | |
| 14 Mar | Iberia | direct | |
| 17 Mar | Iberia | direct | |
| 19 Mar | Iberia | direct | |
| 31 Mar | Iberia | direct | |
| 07 Mar | Iberia | direct | |
| 07 Mar | KLM | ||
| 06 Mar | Air Canada |
Also check the deals for return flights from Boston to Barcelona 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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