Please be aware that Kuala Lumpur and Yogyakarta has multiple airports and that these results are for all airports serving the city.
The best month to fly between Kuala Lumpur and Yogyakarta is January and the most expensive month to fly is April. (Average prices, based on 654 datapoints.)
The best day to arrive at Kuala Lumpur is Tuesday and it would be best to avoid Sunday, as prices are on average 48.33% higher than on Tuesday. (Average prices, based on 654 datapoints.)