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

Return flights

19 May - 26 May	Finnair
26 May - 31 May	Finnair
19 May - 29 May	Finnair
19 May - 02 Jun	Finnair
05 May - 19 May	Finnair
27 May - 31 May	Finnair
06 May - 13 May	Finnair
14 May - 01 Jun	Finnair
05 May - 22 May	Finnair
17 May - 03 Jun	Finnair
06 May - 22 May	Finnair
06 May - 23 May	Finnair
17 May - 01 Jun	Finnair
10 May - 17 May	Finnair
15 May - 01 Jun	Finnair
16 May - 01 Jun	Finnair
19 May - 02 Jun	Cathay Pacific	direct
17 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 420€

Return flights