AirHint found the following cheapest return flights from London (LON) to Tbilisi (TBS) in September 2025 (see full year).

Return flights

22 Sep - 03 Oct	Pegasus Airlines
24 Sep - 29 Sep	Pegasus Airlines
22 Sep - 02 Oct	Pegasus Airlines
21 Sep - 02 Oct	AJet
23 Sep - 29 Sep	AJet
30 Sep - 15 Oct	Pegasus Airlines
30 Sep - 03 Oct	Wizz Air UK
30 Sep - 06 Oct	Pegasus Airlines
30 Sep - 08 Oct	Pegasus Airlines
21 Sep - 28 Sep	Pegasus Airlines
29 Sep - 07 Oct	AJet
22 Sep - 30 Sep	Pegasus Airlines
23 Sep - 30 Sep	AJet
23 Sep - 18 Oct	AJet
21 Sep - 03 Oct	Pegasus Airlines
17 Sep - 18 Sep	AJet
21 Sep - 29 Sep	Pegasus Airlines
23 Sep - 27 Sep	AJet
17 Sep - 19 Sep	SunExpress
24 Sep - 25 Sep	Pegasus Airlines

Also check the deals for one-way flights from London to Tbilisi 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 Tbilisi in September from $238

Return flights