Which airline flies the most flights to KEF? The top airline carrier flying out of Keflavik Intl. is Lufthansa and they fly over 596 flights every month.
- Icelandair - Reykjavik (KEF) to London (LHR) on 3/2 leaving at 8:30 am and returning on 3/4 at 3:40 pm for only $324 per person.*
- Icelandair - Reykjavik (KEF) to Frankfurt (FRA) on 3/2 leaving at 11:30 pm and returning on 3/4 at 7:35 am for only $396 per person.*
- British Airways - Reykjavik (KEF) to Madrid (MAD) on 3/2 leaving at 5:10 am and returning on 3/5 at 4:10 am for only $555 per person.*
*Prices vary and will be updated when you view current flight availability results. Deals displayed here are based on flight pricing and availability as of 02/21/2018 and may change as you get closer to the actual flight date. Deals displayed whose dates are in the past are no longer valid.