Cheapest return flights from Boston to Barcelona in December from 296€
AirHint found the following cheapest return flights from Boston (BOS) to Barcelona (BCN)
in December 2025 (see full year ).
Return flights
10 Dec
- 17 Dec
United
296 €
16 Dec
- 19 Jan
Iberia For Level
321 €
direct
14 Dec
- 20 Dec
Iberia For Level
338 €
direct
17 Dec
- 20 Jan
Aer Lingus
345 €
20 Dec
- 29 Dec
Iberia For Level
364 €
direct
27 Dec
- 03 Jan
Iberia For Level
364 €
direct
27 Dec
- 04 Jan
Iberia For Level
364 €
direct
28 Dec
- 04 Jan
Iberia For Level
364 €
direct
13 Dec
- 04 Jan
Iberia For Level
385 €
direct
25 Dec
- 04 Jan
Iberia For Level
385 €
direct
12 Dec
- 28 Dec
Finnair
438 €
26 Dec
- 31 Dec
Aer Lingus
442 €
25 Dec
- 01 Jan
Aer Lingus
442 €
23 Dec
- 03 Jan
Iberia For Level
458 €
direct
27 Dec
- 01 Jan
Iberia For Level
506 €
direct
20 Dec
- 27 Dec
TAP
712 €
Also check the deals for one-way flights from Boston to Barcelona in December .
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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