Cheapest return flights from Sofia to Oslo in September from $168

Best time to book flights for Sofia (SOF) to Oslo (OSL) flights at AirHint

AirHint found the following cheapest return flights from Sofia (SOF) to Oslo (OSL) in September 2025 (see full year).

Return flights

10 Sep - 16 Sep Ryanair
09 Sep - 16 Sep SWISS
17 Sep - 28 Sep KLM
11 Sep - 18 Sep Air Serbia
04 Sep - 18 Sep Norwegian direct
11 Sep - 18 Sep Norwegian direct
14 Sep - 18 Sep Norwegian direct
04 Sep - 25 Sep Norwegian direct
11 Sep - 25 Sep Norwegian direct
14 Sep - 25 Sep Norwegian

Also check the deals for one-way flights from Sofia to Oslo in September.

Skyscanner

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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