AirHint found the following cheapest return flights from London (STN) to Belgrade (BEG) in January 2026 (see full year).

Return flights

23 Jan - 26 Jan	Ryanair
16 Jan - 18 Jan	Ryanair
30 Jan - 02 Feb	Ryanair
30 Jan - 01 Feb	Ryanair
09 Jan - 11 Jan	Ryanair
08 Jan - 12 Jan	Ryanair
15 Jan - 18 Jan	Pegasus Airlines
15 Jan - 19 Jan	Ryanair
08 Jan - 11 Jan	Ryanair
11 Jan - 15 Jan	Ryanair
05 Jan - 11 Jan	Ryanair
07 Jan - 14 Jan	Ryanair
18 Jan - 23 Feb	Ryanair

Also check the deals for one-way flights from London to Belgrade 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 Belgrade in January from $128

Return flights