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

Return flights

30 Jul - 18 Aug	Thai AirAsia
27 Jul - 06 Aug	Thai AirAsia
30 Jul - 06 Aug	IndiGo
27 Jul - 11 Aug	Thai AirAsia
27 Jul - 15 Aug	Thai AirAsia
30 Jul - 11 Aug	Thai AirAsia
30 Jul - 15 Aug	Thai AirAsia
27 Jul - 14 Aug	Thai AirAsia
30 Jul - 17 Aug	Thai AirAsia
30 Jul - 14 Aug	Thai AirAsia
27 Jul - 28 Jul	Thai AirAsia
27 Jul - 30 Jul	Thai AirAsia
27 Jul - 29 Jul	Thai AirAsia
30 Jul - 30 Jul	Thai AirAsia
27 Jul - 27 Jul	Thai 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 335€

Return flights