Question : Should you take that vacation to Shanghai in the next 30 days?
Answer : Since low prices are preferred, look at Feb 28th. As of Feb 20th, it's showing the cheapest ticket sales at $346. That is 25% below the average price for this route, so you can spend that extra money on an adventure in Shanghai.
Question : Do prices fluctuate more for this route than others?
Answer : Ranging anywhere from $332 to $1,144, prices for CGK to SHA do fluctuate a lot more than the majority of routes from Indonesia. Remember, the sooner you book, the better price you tend to get.
Question : How long do most people stay in Shanghai?
Answer : Of course you're not most people, but if you were, you'd stay roughly five days.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : The best day to fly on a budget this month is Thursday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.