Cheapest one-way flights from Hong Kong to Barcelona in September from $399

AirHint found the following cheapest one-way flights from Hong Kong (HKG) to Barcelona (BCN) in September 2026 (see full year).

One-Way flights

14 Sep Hong Kong Airlines
13 Sep Etihad Airways
20 Sep Etihad Airways
04 Sep Vietnam Airlines
05 Sep Hong Kong Airlines
27 Sep Thai Lion Air
26 Sep Thai Lion Air
24 Sep Vietnam Airlines
25 Sep Air India
27 Sep Cathay Pacific direct

Also check the deals for return flights from Hong Kong to Barcelona in September.

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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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