AirHint found the following cheapest one-way flights from London (LHR) to Oslo (OSL) in January 2026 (see full year).

One-Way flights

01 Jan	British Airways	direct
02 Jan	British Airways	direct
16 Jan	British Airways	direct
23 Jan	British Airways	direct
12 Jan	British Airways	direct
13 Jan	British Airways	direct
14 Jan	British Airways	direct
21 Jan	British Airways	direct
22 Jan	British Airways	direct
06 Jan	British Airways	direct

Also check the deals for return flights from London to Oslo 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 one-way flights from London to Oslo in January from $66

One-Way flights