Cheapest return flights from Keflavik to Oslo in August from 123€

Best time to book flights for Keflavik (KEF) to Oslo (OSL) flights at AirHint

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

Return flights

26 Aug - 31 Aug Norwegian direct
26 Aug - 16 Sep Norwegian direct
26 Aug - 09 Sep Norwegian direct
26 Aug - 02 Sep Norwegian direct
12 Aug - 31 Aug Norwegian direct
26 Aug - 28 Aug Norwegian direct
12 Aug - 24 Aug Norwegian direct
12 Aug - 02 Sep Norwegian direct
12 Aug - 14 Aug Norwegian direct
14 Aug - 31 Aug Norwegian direct
12 Aug - 28 Aug Norwegian direct
14 Aug - 24 Aug Norwegian direct
14 Aug - 02 Sep Norwegian direct
12 Aug - 19 Aug Norwegian direct
26 Aug - 11 Sep Norwegian direct
24 Aug - 31 Aug Norwegian direct
24 Aug - 09 Sep Norwegian direct
24 Aug - 02 Sep Norwegian direct
24 Aug - 11 Sep Norwegian direct

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

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.

Book a cheap hotel in Oslo

Cheap car rent in Oslo