Yes tickets have increased since reopening to tourists in Feb. If you shop dates, airlines, are flexible and book well in advance... currently ~$1,000 roundtrip.
Biggest factor on prices is none of the low cost airlines out of China have resumed flights. Their competition kept fares low. Now add increased fuel costs on top of that. Back in 2019 I was flying roundtrip for under $500.
But what you spend on airfare you can save on accomodations and food. My most recent stay was here: