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 September and the most expensive month to fly is January. (Average prices, based on 209 datapoints.)
The best day to arrive at Shanghai is Thursday and it would be best to avoid Friday, as prices are on average 260.56% higher than on Thursday. (Average prices, based on 209 datapoints.)
The cheapest airline flying from Shanghai to Bangkok is Spring Airlines. They are 59% cheaper than Thai Airways. (Average prices, based on 221 datapoints.)