AirHint found the following cheapest return flights from Kigali (KGL) to Bujumbura (BJM) in December 2025 (see full year).

Return flights

12 Dec - 19 Dec	RwandAir	direct
23 Dec - 02 Jan	Kenya Airways
24 Dec - 03 Jan	Kenya Airways
17 Dec - 28 Dec	Kenya Airways
21 Dec - 03 Jan	Kenya Airways
18 Dec - 04 Jan	Kenya Airways
27 Dec - 06 Jan	Ethiopian Airlines
17 Dec - 28 Dec	RwandAir	direct
07 Dec - 10 Dec	Kenya Airways
25 Dec - 03 Jan	Ethiopian Airlines
21 Dec - 03 Jan	RwandAir	direct
07 Dec - 09 Dec	Kenya Airways
07 Dec - 09 Dec	RwandAir	direct

Also check the deals for one-way flights from Kigali to Bujumbura in December.

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 Kigali to Bujumbura in December from 350€

Return flights