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Updated on April 28.
The average regular gas price in the U.S. as of April 27 is $4.176 per gallon, according to AAA.
- One week ago: $4.022
- One month ago: $3.976
- One year ago: $3.150
Gas prices have hit their highest level since the start of the war in Iran.
Oil prices have been rising again in the past week as a durable end to the conflict proves elusive. A ceasefire began on April 8 and was extended indefinitely last week, but on-again, off-again negotiations have not yet yielded a breakthrough.
After reaching nearly $110 in the weeks after the war began, prices eased back down into the $90 range as the White House signalled progress in talks to end the fighting and reopen the Strait of Hormuz. But as talks appeared to break down last week, the price for Brent crude is once again trading above $105 per barrel as of this update.
Gas prices had leveled out after climbing more than a dollar per gallon in the first weeks of the war. Pump prices are climbing again, albeit more slowly.
On Feb. 28, the first day of the U.S.-Israeli attacks on Iran, the average was just under $3.
The text and charts below are fully updated weekly.
In the two months since the U.S. and Israel launched strikes on Iran, the widening conflict has roiled global energy markets, shaken investor confidence and pushed average gas prices up by roughly a dollar.
Brent crude — the global benchmark — has moved sharply up and down with each new twist in the war, generally trading around $95 but spiking well above $100 per barrel at times. It traded below $70 as recently as mid-February and was below $80 when the conflict began. It marked the first time oil has traded above $100 since 2022, when Russia invaded Ukraine. If the war continues into the summer, oil could reach $200 per barrel, according to analysts from Macquarie Group, an investment banking company.
On April 14, the International Monetary Fund cited effects of the war as it cut its global growth forecasts for 2026, and warned that further escalation in the war could trigger “a close call for a global recession.”
The U.S., despite being the world’s largest producer of oil, can see gas prices rise in response to any shock to the world’s oil supply.
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What are gas prices like right now?
As of April 27, gas prices have starting slowly rising again after a slight decline earlier in April. This followed a period when weeks of daily price hikes brought the national average for a gallon of regular to over $4, according to AAA, which tracks fuel costs. State averages range from $3.500 in Oklahoma to $5.949 in California. Gas prices were below $3 in 39 states in February.
Refineries are beginning to switch back to producing a summer blend, which is more expensive than the winter blend, which could contribute to rising prices soon.
The U.S. Energy Information Administration says the falling price of crude oil — accounting for half of retail gas prices — helped lower prices at the pump in 2025. On a monthly average basis, the price of Brent crude oil dropped from $79 per barrel in January 2025 to $63 per barrel in December 2025 — its lowest average monthly price since the start of 2021, according to the EIA.
Pump prices were stable over the summer and fell in the fall and winter, especially compared to recent years. Oil prices moderated at around $65 a barrel after spiking briefly in June 2025 in response to the Israel-Iran conflict, and were below $60 at the beginning of the year. They have risen sharply since the war began.
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Gas price inflation, explained
Gas prices surged in 2021 and 2022, largely due to two economic disruptions: pandemic-related supply shocks and then Russia’s invasion of Ukraine. The combination of the two hit energy markets hard and prices never recovered to pre-pandemic levels.
Here’s what happened:
- In 2019, before the pandemic, the average per-gallon price of regular gas was $2.601, according to EIA data.
- Following Russia’s invasion of Ukraine, the national average increased before peaking at $5.016 per gallon on June 14, 2022, according to AAA.
- Until the Iran invasion, gas prices had retreated, but hadn’t returned to pre-pandemic levels.
Why gas prices remain higher than they used to be
At this time of year, seasonal factors play a considerable role in raising gas prices. A scheduled switch to summer-blend gasoline temporarily elevates prices through the warm months. Inflation, supply-chain disruptions and gas tax hikes can factor into higher prices, as well. But in the end, elevated oil prices are the main culprit.
The cost of oil typically represents more than half of the cost of a gallon of gasoline, according to the U.S. Energy Information Administration (EIA). So, a major reason gas prices have remained so high is that, until recently, oil prices were higher than they were before the pandemic hit in 2020 and Russia invaded Ukraine in 2022. That’s based on the average monthly price of West Texas Intermediate crude, which is used as the benchmark for oil prices in North America.
For much of the year to date fuel costs had been lower than they were a year ago. That has changed dramatically in the last few weeks. Here’s how gas prices compare today:
As of April 27, the average regular gas price in the U.S. is $4.111 per gallon, according to AAA, which tracks gas prices.
- The price is up from $4.042 a gallon a week ago.
- The price is up from $3.978 per gallon a month ago.
- A year ago, the price was $3.149 per gallon.
Oil prices are still below their June 2022 peak of almost $120 per barrel.
Average gas price per state
The average gas price per state varies widely, with the most expensive state typically costing about $2 more per gallon of regular than the least expensive state.
(Photo by Joe Raedle/Getty Images)
