The Congressional Budget Office reported on September 15–16, 2026, that the Iran war has cost the U.S. $38 billion through August 1, with ongoing monthly costs of $2–3 billion. The analysis covered munitions, equipment replacement, and fuel but was limited by incomplete Pentagon data.
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The report from the nonpartisan Congressional Budget Office estimates the war will cost the country another $2 billion to $3 billion each month it continues.
The Congressional Budget Office said its analysis had been limited by the fact that the Defense Department did not respond to requests for information on the costs of the conflict.
The Congressional Budget Office estimated the war between Feb. 28 and Aug. 1 has directly cost the U.S. about $38 billion.
Iran war has cost the US more than $38B, budget office says AP News
The war against Iran has cost the U.S. more than $38 billion through Aug. 1 and will continue to cost up to $3 billion a month or more.
The Congressional Budget Office on Tuesday released a report saying the Iran war has cost an estimated $38 billion up to this point, with the price forecasted to rise by $3 billion a month. CBS News' James LaPorta has more.
The U.S. is expected to spend $2 billion to $3 billion per month as the war continues, according to the Congressional Budget Office.
It added that costs per month could range between US$2 billion-US$3 billion or more if the conflict continued.
The United States has spent $38 billion on the Iran war and will continue to spend billions monthly, according to a new report from the Congressional Budget Office. CBS News' Eleanor Watson has more.
The nonpartisan Congressional Budget Office reports that up to $3 billion more is being spent on the war each month, depending on the intensity of fighting.
The war against Iran has cost the Pentagon more than $38 billion through Aug. 1, according to a new assessment from the Congressional Budget Office. That amount reflects the costs of replacing munitions and equipment lost in battle, increased flying hours, other operations and increased fuel costs. The war will continue to cost $3 billion a month or more, depending on the intensity of fighting.
"According to the Congressional Budget Office, the Iran war has cost American taxpayers $40 billion. Rep. Brendan Boyle (D-PA), Ranking Member of the House Budget Committee, joins Alicia Menendez to share more details on the report." youtu.be/xRhvMJ1TA64 . YouTube video by MS NOW
The estimates come largely from replacing munitions and equipment lost in battle, the CBO said, and do not include costs related to U.S. military personnel killed or injured in the conflict or longer term effects.