Please be aware that Shanghai and Bangkok has multiple airports and that these results are for all airports serving the city.
The best month to fly between Shanghai and Bangkok is December and the most expensive month to fly is April. (Average prices, based on 481 datapoints.)
The best day to arrive at Shanghai is Saturday and it would be best to avoid Tuesday, as prices are on average 42.03% higher than on Saturday. (Average prices, based on 482 datapoints.)
The cheapest airline flying from Shanghai to Bangkok is Thai Lion Air. They are 52% cheaper than Shanghai Airlines. (Average prices, based on 491 datapoints.)
The best time to fly is at around 6. (Average prices, based on 803 datapoints.)