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

Return flights

23 May - 30 May	Norwegian	direct
22 May - 24 May	Norwegian	direct
21 May - 25 May	Norwegian	direct
05 May - 05 May	Norwegian	direct
12 May - 12 May	Norwegian	direct
01 May - 04 May	Norwegian	direct
01 May - 05 May	Norwegian	direct
22 May - 25 May	Norwegian	direct
14 May - 17 May	Norwegian	direct
08 May - 17 May	Norwegian	direct
22 May - 04 Jun	Norwegian
08 May - 04 Jun	Norwegian

Also check the deals for one-way flights from London to Oslo in May.

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 May from 100€

Return flights