AirHint found the following cheapest return flights from Keflavik (KEF) to Oslo (OSL)
in August 2025 (see full year ).
Return flights
26 Aug
- 04 Sep
Norwegian
131 €
direct
26 Aug
- 31 Aug
Norwegian
133 €
direct
26 Aug
- 28 Aug
Norwegian
133 €
direct
19 Aug
- 04 Sep
Norwegian
140 €
direct
28 Aug
- 04 Sep
Norwegian
140 €
direct
19 Aug
- 31 Aug
Norwegian
142 €
direct
19 Aug
- 28 Aug
Norwegian
142 €
direct
28 Aug
- 31 Aug
Norwegian
142 €
direct
19 Aug
- 26 Aug
Norwegian
151 €
direct
19 Aug
- 24 Aug
Norwegian
151 €
direct
12 Aug
- 31 Aug
Norwegian
151 €
direct
12 Aug
- 28 Aug
Norwegian
151 €
direct
26 Aug
- 07 Sep
Norwegian
151 €
direct
12 Aug
- 26 Aug
Norwegian
160 €
direct
19 Aug
- 07 Sep
Norwegian
160 €
direct
28 Aug
- 07 Sep
Norwegian
160 €
direct
14 Aug
- 04 Sep
Norwegian
167 €
direct
21 Aug
- 04 Sep
Norwegian
176 €
direct
21 Aug
- 07 Sep
Norwegian
196 €
direct
Also check the deals for one-way flights from Keflavik 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.