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

Return flights

21 Apr - 25 Apr	Ryanair
01 Apr - 06 Apr	Ryanair
14 Apr - 18 Apr	Ryanair
15 Apr - 18 Apr	Wizz Air
13 Apr - 18 Apr	Wizz Air
02 Apr - 05 Apr	Ryanair
16 Apr - 20 Apr	Ryanair
13 Apr - 19 Apr	Wizz Air
15 Apr - 19 Apr	Wizz Air
20 Apr - 25 Apr	Ryanair
29 Apr - 03 May	Wizz Air Malta
27 Apr - 01 May	Air Serbia
20 Apr - 11 May	Air Serbia
25 Apr - 02 May	Air Serbia
24 Apr - 01 May	Air Serbia
30 Apr - 07 May	easyJet
18 Apr - 02 May	Norwegian	direct
25 Apr - 02 May	Norwegian	direct
30 Apr - 03 May	Wizz Air Malta
20 Apr - 11 May	Aegean Airlines	direct

Also check the deals for one-way flights from Athens to Oslo in April.

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 Athens to Oslo in April from 107€

Return flights