AirHint found the following cheapest one-way flights from Tokyo (NRT) to Colombo (CMB) in August 2025 (see full year).

One-Way flights

17 Aug	Jetstar Japan
14 Aug	Peach
13 Aug	Peach
12 Aug	Jetstar Japan
05 Aug	Thai AirAsia X
30 Aug	Malaysia Airlines
29 Aug	Singapore Airlines
16 Aug	Singapore Airlines
21 Aug	Thai Airways
15 Aug	Thai Airways

Also check the deals for return flights from Tokyo to Colombo in August.

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 one-way flights from Tokyo to Colombo in August from $227

One-Way flights