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

Return flights

25 Oct - 31 Oct	TAP
29 Oct - 17 Nov	TAP
23 Oct - 04 Nov	TAP
18 Oct - 31 Oct	TAP
17 Oct - 31 Oct	TAP
27 Oct - 07 Nov	TAP
18 Oct - 15 Nov	TAP
20 Oct - 05 Nov	TAP
30 Oct - 07 Nov	TAP
31 Oct - 14 Nov	Iberia	direct
15 Oct - 12 Nov	Air Europa
31 Oct - 16 Nov	Iberia	direct
19 Oct - 31 Oct	TAP
21 Oct - 30 Oct	TAP
31 Oct - 10 Nov	Air Europa
19 Oct - 30 Oct	TAP
05 Oct - 25 Oct	Iberia	direct
14 Oct - 29 Oct	SWISS
14 Oct - 23 Oct	FrenchBee
17 Oct - 24 Oct	Iberia	direct

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

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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Cheapest return flights from Miami to Barcelona in October from 339€

Return flights