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

Return flights

17 Apr - 21 Apr	Lufthansa
29 Apr - 06 May	Lufthansa
24 Apr - 27 Apr	Lufthansa
01 Apr - 04 Apr	KLM
24 Apr - 26 Apr	KLM
30 Apr - 02 May	KLM
08 Apr - 15 Apr	KLM
23 Apr - 26 Apr	KLM
30 Apr - 06 May	KLM
22 Apr - 26 Apr	Lufthansa
08 Apr - 13 Apr	KLM
15 Apr - 20 Apr	KLM
10 Apr - 13 Apr	KLM
24 Apr - 10 May	Lufthansa
28 Apr - 02 May	KLM
30 Apr - 03 May	KLM
16 Apr - 07 May	Lufthansa
28 Apr - 08 May	KLM
25 Apr - 02 May	KLM

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 196€

Return flights