AirHint found the following cheapest return flights from Oslo (OSL) to Buenos Aires (AEP) in July 2025 (see full year).

Return flights

11 Jul - 27 Jul	Iberia
10 Jul - 26 Jul	Lufthansa
11 Jul - 26 Jul	Iberia
10 Jul - 24 Jul	Lufthansa
13 Jul - 20 Jul	TAP
11 Jul - 20 Jul	Iberia
14 Jul - 26 Jul	Lufthansa
06 Jul - 13 Jul	LATAM Airlines Group
12 Jul - 02 Aug	Emirates

Also check the deals for one-way flights from Oslo to Buenos Aires in July.

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 Buenos Aires in July from 1254€

Return flights