The best month to fly between Manila and Seoul is September and the most expensive month to fly is August. (Average prices, based on 408 datapoints.)
The best day to arrive at Manila is Thursday and it would be best to avoid Sunday, as prices are on average 65.09% higher than on Thursday. (Average prices, based on 365 datapoints.)
The cheapest airline flying from Manila to Seoul is Philippines AirAsia. They are 61% cheaper than Korean Air. (Average prices, based on 418 datapoints.)