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

Return flights

30 Mar - 03 Apr	Ryanair	direct
30 Mar - 17 Apr	Ryanair	direct
11 Mar - 15 Mar	Ryanair
31 Mar - 03 Apr	Ryanair	direct
31 Mar - 17 Apr	Ryanair	direct
30 Mar - 06 Apr	Ryanair	direct
30 Mar - 31 Mar	Ryanair	direct
18 Mar - 06 Apr	Ryanair
31 Mar - 06 Apr	Ryanair	direct
31 Mar - 31 Mar	Ryanair	direct
17 Mar - 20 Mar	Ryanair
12 Mar - 26 Mar	Ryanair
26 Mar - 26 Mar	easyJet

Also check the deals for one-way 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 return flights from London to Oslo in March from 143€

Return flights