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

Return flights

18 May - 30 May	Air China
20 May - 27 May	Air China
19 May - 31 May	Air China
10 May - 03 Jun	Finnair
22 May - 29 May	Air China
15 May - 30 Jun	Air China
06 May - 13 May	Finnair
06 May - 22 May	Finnair
17 May - 27 May	Finnair
26 May - 03 Jun	Finnair
05 May - 05 Jun	Hainan Airlines
11 May - 22 May	Air France
07 May - 18 May	Finnair
18 May - 25 May	Finnair
08 May - 28 Jun	Etihad Airways
19 May - 08 Jun	Finnair
30 May - 14 Jun	Finnair
22 May - 10 Jun	Finnair
19 May - 01 Jun	Emirates
26 May - 03 Jun	Cathay Pacific	direct

Also check the deals for one-way flights from Hong Kong to Madrid 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 Madrid in May from $507

Return flights