Cheapest return flights from Boston to Barcelona in October from 400€

AirHint found the following cheapest return flights from Boston (BOS) to Barcelona (BCN) in October 2026 (see full year).

Return flights

05 Oct - 13 Oct Scandinavian Airlines
05 Oct - 13 Oct LEVEL direct
18 Oct - 21 Oct Iberia direct
19 Oct - 22 Oct Iberia direct
06 Oct - 13 Oct Iberia direct
10 Oct - 20 Oct LEVEL direct
02 Oct - 05 Oct Iberia direct
11 Oct - 14 Oct Iberia direct
12 Oct - 19 Oct Iberia direct
17 Oct - 20 Oct Iberia direct
27 Oct - 03 Nov Iberia direct
31 Oct - 07 Nov Iberia direct
29 Oct - 05 Nov Iberia direct
31 Oct - 03 Nov Iberia direct
28 Oct - 04 Nov Iberia
25 Oct - 01 Nov Iberia
26 Oct - 02 Nov Iberia
30 Oct - 02 Nov Iberia

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

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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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