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

Return flights

09 May - 16 May	KLM
06 May - 10 May	KLM
13 May - 20 May	KLM
16 May - 27 May	Norwegian	direct
09 May - 27 May	Norwegian	direct
16 May - 18 May	Norwegian
16 May - 20 May	Norwegian	direct
09 May - 20 May	Norwegian	direct
07 May - 11 May	Scandinavian Airlines
09 May - 16 May	Norwegian	direct

Also check the deals for one-way flights from Oslo to Athens 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 Oslo to Athens in May from 167€

Return flights