Cheapest return flights from Boston to Barcelona in October from $239

AirHint found the following cheapest return flights from Boston (BOS) to Barcelona (BCN) in October 2025 (see full year).

Return flights

13 Oct - 20 Oct Iberia For Level direct
17 Oct - 24 Oct Iberia For Level direct
22 Oct - 30 Oct Iberia For Level direct
16 Oct - 24 Oct Iberia For Level direct
28 Oct - 11 Nov Iberia For Level direct
30 Oct - 06 Nov Iberia For Level direct
07 Oct - 20 Oct Iberia For Level direct
30 Oct - 04 Nov Iberia For Level direct
02 Oct - 23 Oct Iberia For Level direct
01 Oct - 15 Oct Iberia For Level direct
05 Oct - 14 Oct Iberia For Level direct
03 Oct - 10 Oct Iberia For Level direct
01 Oct - 07 Oct Iberia For Level direct
07 Oct - 03 Nov Iberia direct
22 Oct - 05 Nov TAP
29 Oct - 03 Nov Iberia
29 Oct - 12 Nov Air Canada
21 Oct - 04 Nov British Airways
26 Oct - 07 Nov Air Canada
28 Oct - 04 Nov United

Also check the deals for one-way flights from Boston to Barcelona in October.

Skyscanner

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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