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

One-Way flights

05 Mar	British Airways	direct
18 Mar	British Airways	direct
09 Mar	British Airways	direct
16 Mar	British Airways	direct
10 Mar	British Airways	direct
20 Mar	British Airways	direct
22 Mar	British Airways	direct
03 Mar	British Airways	direct
04 Mar	British Airways	direct
06 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