Import Prices Rise Most in Nearly 4 Years on War, AI Boom

Index Increased 6.7% Annually, 1.9% From April to May

Port of Los Angeles
A containership at the Port of Los Angeles. (Eric Thayer/Bloomberg)

Key Takeaways:Toggle View of Key Takeaways

  • U.S. import prices rose 1.9% in May, matching April’s increase, with gains driven by higher costs for plastics, air travel and computer equipment, BLS data showed June 16.
  • The surge reflects inflation pressures tied to the Iran war and AI-driven demand, with import prices up 6.7% annually, the fastest pace in nearly four years.
  • Economists say easing oil prices and a possible U.S.-Iran peace deal by June 19 could temper inflation, though the Federal Reserve continues to monitor impacts as rate decisions loom.

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U.S. import prices surged in May amid soaring costs of computer equipment, plastics and air travel, the latest evidence of the inflationary impact of the Iran war and the data center boom.

The import price index rose 1.9% last month after a similar advance in April, Bureau of Labor Statistics data showed June 16. From a year ago, it increased 6.7%, marking the fastest pace in almost four years.

Prices of imported plastic materials — key inputs into a vast array of consumer goods that are generated from byproducts of fossil fuels — jumped 6.5% in one of the biggest monthly advances on record. Import air passenger fares, a category that feeds directly into the Federal Reserve’s preferred inflation gauge, also surged.

Meanwhile imported computer, peripheral and semiconductor prices rose 3.6% in May, the second-biggest advance in monthly data going back to 1994. The artificial intelligence rush is stoking inflation beyond high-level manufacturing, as chips are embedded in all kinds of consumer goods from phones and computers and cars.



The report is the latest in a series of data releases highlighting the toll the Iran war is taking on the U.S. economy. Consumer and producer prices have risen substantially in recent months as inflation pressures start to spread beyond the initial oil shock.

The U.S. and Iran are expected to sign an interim peace deal June 19, which has sent oil prices tumbling and stocks soaring. Economists say the worst of the inflation is likely now in the rearview mirror, though prices could continue to rise as the impact works its way through supply chains.

The Fed is closely tracking the impact the war is having on prices. While policymakers are widely expected to hold interest rates unchanged at the end of their two-day meeting June 17, traders now see them raising borrowing costs by the end of the year.

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