AirHint found the following cheapest return flights from Sofia (SOF) to Oslo (OSL) in July 2026 (see full year).

Return flights

01 Jul - 22 Jul	Norwegian	direct
15 Jul - 22 Jul	Air Serbia
01 Jul - 15 Jul	Norwegian	direct
01 Jul - 19 Jul	Norwegian	direct
08 Jul - 22 Jul	Norwegian	direct
08 Jul - 26 Jul	Norwegian	direct
12 Jul - 22 Jul	Norwegian	direct
12 Jul - 26 Jul	Norwegian	direct
08 Jul - 15 Jul	Norwegian	direct
08 Jul - 19 Jul	Norwegian	direct

Also check the deals for one-way flights from Sofia to Oslo 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 Sofia to Oslo in July from $149

Return flights