Please be aware that Yogyakarta has multiple airports and that these results are for all airports serving the city.
The best month to fly between Yogyakarta and Samarinda is March and the most expensive month to fly is December. (Average prices, based on 845 datapoints.)
The best day to arrive at Yogyakarta is Thursday and it would be best to avoid Monday, as prices are on average 29.54% higher than on Thursday. (Average prices, based on 883 datapoints.)