AirHint found the following cheapest return flights from Hong Kong (HKG) to Barcelona (BCN) in August 2026 (see full year).

Return flights

31 Aug - 19 Sep	Finnair
30 Aug - 07 Sep	Finnair
08 Aug - 23 Aug	Finnair
06 Aug - 14 Aug	Finnair
08 Aug - 22 Aug	Etihad Airways
01 Aug - 22 Aug	Etihad Airways
07 Aug - 22 Aug	Etihad Airways
01 Aug - 18 Aug	Finnair
13 Aug - 27 Aug	Finnair
14 Aug - 22 Aug	Finnair
15 Aug - 22 Aug	Finnair
07 Aug - 14 Aug	Finnair
30 Aug - 07 Sep	Cathay Pacific	direct
31 Aug - 19 Sep	Cathay Pacific	direct

Also check the deals for one-way flights from Hong Kong to Barcelona in August.

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 Hong Kong to Barcelona in August from $672

Return flights