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 Johor Bahru is October and the most expensive month to fly is March. (Average prices, based on 1670 datapoints.)
The best day to arrive at Kuala Lumpur is Thursday and it would be best to avoid Friday, as prices are on average 83.05% higher than on Thursday. (Average prices, based on 1958 datapoints.)
The cheapest airline flying from Kuala Lumpur to Johor Bahru is Malindo Air. They are 58% cheaper than FireFly. (Average prices, based on 1684 datapoints.)