EasyJet saw a 6.5% rise in traffic in the 12 months up to December when its load factors – the percentage of available seats sold – rose to just over 90%.
In December, it carried 4.63 million passengers, a rise of 3.2% over the same month in 2013.
For the full year, passenger numbers topped 65 million.
Meanwhile Norwegian reported its highest ever passenger figures in a single year with almost 24 million passengers in 2014, an increase of three million compared to 2013.
The load factor was 81% in 2014, up from 78% in 2013.
Norwegian carried 1.6 million passengers in December and the load factor was up 3.3 percentage points on December 2013.
