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 15 days.
Question : Will you do what it takes to get the absolute lowest-cost flight?
Answer : The lowest-cost day to fly in July is Sunday. Flexibility is paramount when booking travel plans in order to keep travel costs down.
Question : What is the cheapest round-trip ticket you can get to Shanghai?
Answer : Delta Air Lines is your best bet for finding that coveted low fare. They're offering fares as low as $705, while prices for other flights are as high as $6,176.
Question : How much should a trip from San Jose (SJO) to Shanghai (SHA) cost?
Answer : Flight prices are fluctuating a lot more for this route than most routes from Costa Rica, as they're ranging anywhere from $705 to $6,176. The further out you book a route, the more likely you are to save.
Question : Should you take that vacation to Shanghai in the next 30 days?
Answer : Since low prices are preferred, look at Jul 2nd. As of Jun 26th, it's showing the cheapest ticket sales at $1,183. That is 47% below the average price for this route, so you can spend that extra cash on a fun experience in Shanghai.