AirHint found the following cheapest one-way flights from Barcelona (BCN) to Boston (BOS) in January 2026 (see full year).

One-Way flights

27 Jan	Iberia For Level	direct
13 Jan	Iberia For Level	direct
19 Jan	Iberia For Level	direct
22 Jan	Iberia For Level	direct
24 Jan	Iberia For Level	direct
15 Jan	Iberia For Level	direct
23 Jan	Iberia
12 Jan	Iberia For Level	direct
28 Jan	Iberia
11 Jan	Iberia For Level	direct

Also check the deals for return flights from Barcelona to Boston in January.

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.

Book a cheap hotel in Boston

Cheap car rent in Boston

Cheapest one-way flights from Barcelona to Boston in January from $181

One-Way flights