Planning to grill burgers soon? It's going to cost you this summer.

This year’s Labor Day barbecue won’t be cheap.

Supply constraints and high demand have driven up the cost of beef, with 100% ground beef prices in June surpassing $6 per pound for the first time since data collection started in the 1980s, according to the Labor Department.

While costs may dip slightly once grilling season ends, experts say significant price relief could be years away.

“If we’re thinking about seeing prices lower than we saw last year or going back to prices 5 or 6 years ago, that’s not very likely,” said David Anderson , a professor and extension economist for livestock and food product marketing at Texas A&M. “But I do think there is a chance for some relief from this (summer) spike in prices.”

Why are beef prices higher?

A variety of factors have crunched the