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

Return flights

05 Jun - 08 Jun	KLM
23 Jun - 21 Jul	KLM
04 Jun - 07 Jun	KLM
04 Jun - 24 Jul	KLM
06 Jun - 11 Jun	KLM
08 Jun - 13 Jun	KLM
08 Jun - 12 Jun	KLM
12 Jun - 14 Jun	KLM
23 Jun - 08 Jul	SWISS
10 Jun - 17 Jun	SWISS
01 Jun - 04 Jun	KLM
09 Jun - 13 Jun	KLM
05 Jun - 16 Jun	SWISS
30 Jun - 05 Jul	KLM
27 Jun - 05 Jul	KLM
26 Jun - 06 Jul	Lufthansa
25 Jun - 02 Jul	Lufthansa
28 Jun - 05 Jul	KLM
26 Jun - 03 Jul	KLM
15 Jun - 02 Jul	Lufthansa

Also check the deals for one-way flights from London to Oslo in June.

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 June from $246

Return flights