Cheapest return flights from Boston to Barcelona in September from 331€
AirHint found the following cheapest return flights from Boston (BOS) to Barcelona (BCN)
in September 2025 (see full year ).
Return flights
10 Sep
- 15 Sep
Iberia For Level
331 €
direct
02 Sep
- 09 Sep
Iberia For Level
331 €
direct
23 Sep
- 01 Oct
Iberia
348 €
10 Sep
- 12 Sep
Iberia
350 €
direct
23 Sep
- 01 Oct
Iberia For Level
351 €
direct
22 Sep
- 01 Oct
Iberia For Level
352 €
direct
16 Sep
- 28 Sep
TAP
357 €
30 Sep
- 07 Oct
Iberia For Level
373 €
direct
08 Sep
- 16 Sep
Iberia For Level
374 €
direct
09 Sep
- 16 Sep
Iberia For Level
374 €
direct
05 Sep
- 08 Sep
Iberia For Level
374 €
direct
02 Sep
- 08 Sep
Iberia For Level
375 €
direct
01 Sep
- 08 Sep
Iberia For Level
375 €
direct
02 Sep
- 10 Sep
Iberia For Level
375 €
direct
29 Sep
- 13 Oct
Iberia For Level
407 €
direct
26 Sep
- 12 Oct
Iberia
431 €
25 Sep
- 01 Oct
Iberia For Level
441 €
direct
25 Sep
- 03 Oct
Iberia For Level
441 €
direct
26 Sep
- 12 Oct
Iberia For Level
482 €
direct
25 Sep
- 05 Oct
Delta
583 €
Also check the deals for one-way flights from Boston to Barcelona in September .
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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