Please be aware that Yogyakarta and Kuala Lumpur has multiple airports and that these results are for all airports serving the city.
The best month to fly between Yogyakarta and Kuala Lumpur is March and the most expensive month to fly is August. (Average prices, based on 10686 datapoints.)
The best day to arrive at Yogyakarta is Thursday and it would be best to avoid Sunday, as prices are on average 47.66% higher than on Thursday. (Average prices, based on 10673 datapoints.)