AirHint found the following cheapest return flights from Hong Kong (HKG) to Agana (GUM) in July 2025 (see full year).

Return flights

08 Jul - 10 Jul	HK Express
13 Jul - 16 Jul	HK Express
17 Jul - 21 Jul	HK Express
14 Jul - 20 Jul	HK Express
13 Jul - 20 Jul	HK Express
21 Jul - 05 Aug	HK Express
25 Jul - 27 Jul	Philippine Airlines
23 Jul - 30 Jul	Philippine Airlines
25 Jul - 01 Aug	Philippine Airlines
24 Jul - 27 Jul	Philippine Airlines
26 Jul - 02 Aug	Philippine Airlines
27 Jul - 30 Jul	Philippine Airlines
27 Jul - 13 Aug	HK Express
27 Jul - 03 Aug	Philippine Airlines

Also check the deals for one-way flights from Hong Kong to Agana in July.

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 Agana in July from $315

Return flights