Please be aware that Kuala Lumpur has multiple airports and that these results are for all airports serving the city.
The best month to fly between Kuala Lumpur and Pekanbaru is May and the most expensive month to fly is February. (Average prices, based on 689 datapoints.)
The best day to arrive at Kuala Lumpur is Friday and it would be best to avoid Sunday, as prices are on average 79.13% higher than on Friday. (Average prices, based on 756 datapoints.)
The cheapest airline flying from Kuala Lumpur to Pekanbaru is Super Air Jet. They are 57% cheaper than MasWings. (Average prices, based on 698 datapoints.)
The best time to fly is at around 9. (Average prices, based on 1249 datapoints.)