The best month to fly with Flight SL518 is June and the most expensive month to fly is November. (Average prices, based on 276 datapoints.)
The best day to arrive at Bangkok is Tuesday and it would be best to avoid Friday, as prices are on average 41.87% higher than on Tuesday. (Average prices, based on 14820554 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 178 datapoints.)