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 March and the most expensive month to fly is August. (Average prices, based on 14831 datapoints.)
The best day to arrive at Kuala Lumpur is Wednesday and it would be best to avoid Monday, as prices are on average 14.46% higher than on Wednesday. (Average prices, based on 14831 datapoints.)