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

Return flights

19 May - 26 May	Finnair
14 May - 28 May	Finnair
25 May - 11 Jun	Finnair
24 May - 06 Jun	Air France
18 May - 25 May	Finnair
11 May - 18 May	Finnair
23 May - 11 Jun	Finnair
30 May - 06 Jun	Finnair
07 May - 21 May	Finnair
06 May - 19 May	Finnair
19 May - 31 May	Finnair
21 May - 01 Jun	Finnair
23 May - 31 May	Finnair
10 May - 17 May	Finnair
22 May - 03 Jun	Finnair
13 May - 27 May	Finnair
28 May - 20 Jun	Etihad Airways
28 May - 14 Jun	Etihad Airways
23 May - 20 Jun	Emirates
25 May - 11 Jun	Cathay Pacific	direct

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

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 May from 459€

Return flights