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

Return flights

24 Apr - 27 Apr	Lufthansa
13 Apr - 19 Apr	KLM
17 Apr - 19 Apr	KLM
01 Apr - 08 Apr	KLM
18 Apr - 19 Apr	KLM
11 Apr - 17 Apr	KLM
08 Apr - 15 Apr	KLM
01 Apr - 19 Apr	KLM
02 Apr - 14 Apr	KLM
30 Apr - 03 May	KLM
24 Apr - 26 Apr	Lufthansa
23 Apr - 01 May	Lufthansa

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

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.

Book a cheap hotel in Oslo

Cheap car rent in Oslo

Cheapest return flights from London to Oslo in April from $230

Return flights