AirHint found the following cheapest return flights from London (LCY) to Iasi (IAS) in January 2026 (see full year).

Return flights

31 Jan - 12 Feb	ITA Airways
23 Jan - 26 Jan	ITA Airways
19 Jan - 23 Jan	ITA Airways
22 Jan - 26 Jan	KLM
22 Jan - 25 Jan	KLM
12 Jan - 23 Jan	KLM
29 Jan - 02 Feb	KLM
23 Jan - 25 Jan	KLM
06 Jan - 15 Jan	KLM
20 Jan - 23 Jan	KLM
27 Jan - 30 Jan	KLM
22 Jan - 30 Jan	KLM
23 Jan - 19 Feb	KLM
30 Jan - 01 Feb	KLM
29 Jan - 01 Feb	KLM
01 Jan - 01 Feb	KLM

Also check the deals for one-way flights from London to Iasi in January.

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 Iasi in January from 288€

Return flights