AirHint found the following cheapest return flights from London (LGW) to Iasi (IAS) in December 2025 (see full year).

Return flights

05 Dec - 14 Dec	Vueling Airlines
12 Dec - 15 Dec	Wizz Air Malta
14 Dec - 21 Dec	Wizz Air Malta
15 Dec - 02 Jan	easyJet
17 Dec - 02 Jan	easyJet
25 Dec - 02 Jan	Wizz Air Malta
18 Dec - 05 Jan	easyJet
25 Dec - 03 Jan	easyJet
12 Dec - 04 Jan	Wizz Air Malta
20 Dec - 10 Jan	Wizz Air UK

Also check the deals for one-way flights from London to Iasi 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 London to Iasi in December from $207

Return flights