AirHint found the following cheapest return flights from Keflavik (KEF) to Oslo (OSL)
in May 2025 (see full year ).
Return flights
06 May
- 11 May
Norwegian
$ 116
direct
06 May
- 15 May
Norwegian
$ 138
direct
13 May
- 15 May
Norwegian
$ 148
direct
27 May
- 01 Jun
Norwegian
$ 156
direct
29 May
- 09 Jun
Scandinavian Airlines
$ 156
direct
20 May
- 01 Jun
Norwegian
$ 156
direct
06 May
- 18 May
Norwegian
$ 157
direct
27 May
- 03 Jun
Norwegian
$ 157
direct
20 May
- 03 Jun
Norwegian
$ 157
direct
23 May
- 25 May
Scandinavian Airlines
$ 159
direct
01 May
- 04 May
Scandinavian Airlines
$ 160
direct
13 May
- 14 May
Norwegian
$ 164
direct
29 May
- 08 Jun
Scandinavian Airlines
$ 164
direct
01 May
- 11 May
Norwegian
$ 166
direct
06 May
- 20 May
Norwegian
$ 166
direct
06 May
- 08 May
Norwegian
$ 166
direct
13 May
- 01 Jun
Norwegian
$ 166
direct
20 May
- 05 Jun
Norwegian
$ 166
direct
20 May
- 08 Jun
Norwegian
$ 166
direct
27 May
- 05 Jun
Norwegian
$ 167
direct
Also check the deals for one-way flights from Keflavik to Oslo in May .
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.