AirHint found the following cheapest return flights from London (LGW) to Mombasa (MBA) in September 2025 (see full year).

Return flights

22 Sep - 15 Oct	Wizz Air Malta
23 Sep - 13 Oct	Wizz Air Malta
22 Sep - 22 Oct	Wizz Air Malta
20 Sep - 04 Oct	Wizz Air Malta
25 Sep - 15 Oct	easyJet
23 Sep - 20 Oct	Wizz Air Malta
22 Sep - 02 Oct	Wizz Air Malta
22 Sep - 29 Sep	Wizz Air Malta
21 Sep - 01 Oct	Wizz Air
23 Sep - 14 Oct	Wizz Air Malta
30 Sep - 06 Oct	Wizz Air UK
24 Sep - 28 Sep	Wizz Air Malta
21 Sep - 28 Sep	easyJet
20 Sep - 30 Sep	Turkish Airlines
27 Sep - 30 Sep	Wizz Air UK
20 Sep - 27 Sep	Wizz Air Malta
19 Sep - 21 Sep	easyJet
19 Sep - 29 Sep	easyJet
19 Sep - 28 Sep	easyJet
19 Sep - 26 Sep	easyJet

Also check the deals for one-way flights from London to Mombasa 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 London to Mombasa in September from $643

Return flights