AirHint found the following cheapest return flights from Oslo (OSL) to Keflavik (KEF)
in May 2025 (see full year ).
Return flights
20 May
- 27 May
Norwegian
146 €
direct
08 May
- 27 May
Norwegian
148 €
direct
20 May
- 03 Jun
Norwegian
148 €
direct
13 May
- 22 May
Norwegian
150 €
direct
06 May
- 20 May
Norwegian
150 €
direct
04 May
- 20 May
Norwegian
150 €
direct
04 May
- 06 May
Norwegian
150 €
direct
13 May
- 29 May
Norwegian
159 €
direct
08 May
- 20 May
Norwegian
159 €
direct
06 May
- 22 May
Norwegian
159 €
direct
06 May
- 13 May
Norwegian
159 €
direct
20 May
- 05 Jun
Norwegian
163 €
direct
27 May
- 03 Jun
Norwegian
168 €
direct
25 May
- 03 Jun
Norwegian
168 €
direct
27 May
- 05 Jun
Norwegian
183 €
direct
25 May
- 05 Jun
Norwegian
183 €
direct
29 May
- 03 Jun
Norwegian
185 €
direct
27 May
- 10 Jun
Norwegian
192 €
direct
25 May
- 10 Jun
Norwegian
192 €
direct
29 May
- 05 Jun
Norwegian
201 €
direct
Also check the deals for one-way flights from Oslo to Keflavik 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.