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
$ 118
direct
13 May
- 18 May
Norwegian
$ 144
direct
13 May
- 15 May
Norwegian
$ 144
direct
06 May
- 18 May
Norwegian
$ 145
direct
06 May
- 15 May
Norwegian
$ 145
direct
06 May
- 08 May
Norwegian
$ 159
direct
15 May
- 18 May
Scandinavian Airlines
$ 161
direct
29 May
- 01 Jun
Scandinavian Airlines
$ 162
direct
20 May
- 03 Jun
Norwegian
$ 162
direct
13 May
- 03 Jun
Norwegian
$ 164
direct
27 May
- 03 Jun
Norwegian
$ 165
direct
15 May
- 19 May
Scandinavian Airlines
$ 170
direct
06 May
- 13 May
Norwegian
$ 175
direct
20 May
- 01 Jun
Norwegian
$ 181
direct
20 May
- 08 Jun
Norwegian
$ 181
direct
11 May
- 18 May
Fly Play
$ 184
13 May
- 01 Jun
Norwegian
$ 184
direct
27 May
- 01 Jun
Norwegian
$ 185
direct
27 May
- 08 Jun
Norwegian
$ 185
direct
20 May
- 05 Jun
Norwegian
$ 191
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.