AirHint found the following cheapest return flights from Bangkok (BKK) to Nairobi (NBO) in September 2025 (see full year).

Return flights

30 Sep - 11 Oct	IndiGo
25 Sep - 05 Oct	IndiGo
20 Sep - 06 Oct	Scoot
23 Sep - 07 Oct	Thai VietJet Air
19 Sep - 05 Oct	SalamAir
28 Sep - 02 Oct	Thai VietJet Air
27 Sep - 01 Oct	Air India
19 Sep - 27 Sep	SalamAir
20 Sep - 28 Sep	Etihad Airways
23 Sep - 27 Sep	Emirates
23 Sep - 07 Oct	Kenya Airways	direct
20 Sep - 28 Sep	Kenya Airways	direct
18 Sep - 25 Sep	Kenya Airways	direct

Also check the deals for one-way flights from Bangkok to Nairobi in September.

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 Bangkok to Nairobi in September from 519€

Return flights