AirHint found the following cheapest return flights from Kolkata (CCU) to Phnom-penh (PNH) in July 2025 (see full year).

Return flights

28 Jul - 06 Aug	Thai AirAsia
25 Jul - 06 Aug	Thai AirAsia
19 Jul - 06 Aug	Thai AirAsia
26 Jul - 06 Aug	Thai AirAsia
19 Jul - 21 Jul	Thai AirAsia
18 Jul - 06 Aug	Thai AirAsia
19 Jul - 20 Jul	Thai AirAsia
17 Jul - 06 Aug	AirAsia
16 Jul - 06 Aug	AirAsia
18 Jul - 21 Jul	Thai AirAsia
18 Jul - 19 Jul	Thai AirAsia
16 Jul - 21 Jul	Thai AirAsia
18 Jul - 20 Jul	Thai AirAsia
18 Jul - 18 Jul	Thai AirAsia
16 Jul - 17 Jul	Thai AirAsia
17 Jul - 21 Jul	AirAsia
16 Jul - 16 Jul	AirAsia

Also check the deals for one-way flights from Kolkata to Phnom-penh 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 Kolkata to Phnom-penh in July from $340

Return flights