AirHint found the following cheapest one-way flights from Kolkata (CCU) to Thimphu (PBH) in August 2025 (see full year).

One-Way flights

30 Aug	Air India Express
02 Aug	SpiceJet
26 Aug	SpiceJet
31 Aug	Air India Express
25 Aug	Air India Express
16 Aug	Bhutan Airlines	direct
19 Aug	SpiceJet
14 Aug	Bhutan Airlines	direct
26 Aug	Flexflight	direct
02 Aug	Druk Air	direct

Also check the deals for return flights from Kolkata to Thimphu 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 Kolkata to Thimphu in August from 203€

One-Way flights