Cheapest return flights from Hong Kong to Barcelona in August from $639

Best time to book flights for Hong Kong (HKG) to Barcelona (BCN) flights at AirHint

AirHint found the following cheapest return flights from Hong Kong (HKG) to Barcelona (BCN) in August 2025 (see full year).

Return flights

19 Aug - 31 Aug Finnair
18 Aug - 31 Aug Finnair
20 Aug - 31 Aug Finnair
17 Aug - 21 Aug Finnair
09 Aug - 22 Aug Finnair
03 Aug - 31 Aug Finnair
08 Aug - 21 Aug Finnair
14 Aug - 24 Aug Finnair
16 Aug - 24 Aug Finnair
24 Aug - 31 Aug Finnair
30 Aug - 06 Sep Finnair
30 Aug - 06 Sep Cathay Pacific direct

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

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.

Book a cheap hotel in Barcelona

Cheap car rent in Barcelona