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

One-Way flights

06 Mar	British Airways	direct
03 Mar	British Airways	direct
04 Mar	British Airways	direct
18 Mar	British Airways	direct
11 Mar	British Airways	direct
12 Mar	British Airways	direct
14 Mar	British Airways	direct
15 Mar	British Airways	direct
20 Mar	British Airways	direct
07 Mar	British Airways	direct

Also check the deals for return flights from London to Oslo in March.

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 March from 62€

One-Way flights