AirHint found the following cheapest return flights from London (LON) to Oslo (OSL) in December 2026 (see full year).

Return flights

09 Dec - 12 Dec	Wizz Air
09 Dec - 13 Dec	Wizz Air
08 Dec - 13 Dec	Wizz Air
08 Dec - 13 Dec	Norwegian	direct
10 Dec - 15 Dec	Norwegian	direct
09 Dec - 13 Dec	Norwegian	direct
09 Dec - 12 Dec	Norwegian	direct
07 Dec - 11 Dec	Wizz Air
11 Dec - 11 Dec	British Airways	direct
06 Dec - 10 Dec	Norwegian	direct
27 Dec - 01 Jan	KLM
27 Dec - 03 Jan	KLM
29 Dec - 02 Jan	KLM
27 Dec - 02 Jan	KLM
28 Dec - 03 Jan	KLM
28 Dec - 02 Jan	KLM
26 Dec - 02 Jan	Wizz Air
30 Dec - 04 Jan	Scandinavian Airlines
29 Dec - 02 Jan	Scandinavian Airlines	direct
21 Dec - 03 Jan	ITA Airways

Also check the deals for one-way flights from London to Oslo 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 Oslo in December from $128

Return flights