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
12 May - 09 Jun	Finnair
07 May - 14 May	Finnair
19 May - 03 Jun	Finnair
05 May - 13 May	Finnair
11 May - 19 Jun	Finnair
15 May - 26 May	Finnair
31 May - 09 Jun	Finnair
29 May - 09 Jun	Finnair
14 May - 25 May	Finnair
31 May - 10 Jun	Finnair
17 May - 25 May	Finnair
15 May - 25 May	Finnair
19 May - 18 Jun	Etihad Airways
11 May - 08 Jun	Etihad Airways
13 May - 21 Jun	Finnair
22 May - 06 Jun	Etihad Airways
01 May - 10 May	Finnair
01 May - 09 May	Finnair
01 May - 08 May	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 $493

Return flights