AirHint found the following cheapest return flights from Reus (REU) to Oslo (OSL) in August 2025 (see full year).

Return flights

20 Aug - 24 Aug	Ryanair
07 Aug - 11 Aug	Ryanair
11 Aug - 01 Sep	Ryanair
20 Aug - 25 Aug	Ryanair
09 Aug - 14 Aug	Ryanair
29 Aug - 31 Aug	Ryanair
12 Aug - 18 Aug	easyJet
24 Aug - 28 Aug	Ryanair
19 Aug - 25 Aug	easyJet
04 Aug - 07 Aug	Ryanair
28 Aug - 01 Sep	Ryanair
03 Aug - 25 Aug	Ryanair

Also check the deals for one-way flights from Reus to Oslo in August.

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 Reus to Oslo in August from $294

Return flights