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

Return flights

14 May - 21 May	Finnair
19 May - 27 May	Finnair
31 May - 10 Jun	Finnair
15 May - 22 May	Finnair
06 May - 19 May	Finnair
05 May - 19 May	Finnair
09 May - 20 May	Finnair
24 May - 06 Jun	Finnair
05 May - 13 May	Finnair
05 May - 24 May	Finnair
08 May - 16 May	Finnair
03 May - 12 May	Finnair
31 May - 13 Jun	Finnair
22 May - 06 Jun	Finnair

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 454€

Return flights