How Much Gas Prices Have Increased in Every State Since Iran Conflict Began

Wed, March 11, 2026 at 11:11 AM UTC

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However you’re feeling about U.S. military action in Iran, you’re likely feeling some pain at the gas pump.

The average cost for a gallon of regular gas in the U.S. jumped 16% in the seven-day period ending on March 9, reaching $3.48. That’s according to a new GOBankingRates analysis of data from AAA. With oil now topping $100 a barrel and ongoing shipping lane disruptions in the Strait of Hormuz, experts predict further increases.

Find Out: 22 States in or Near a Recession Right Now — and What It Means for Residents

Learn More: 8 Things You Must Do When Your Savings Reach $50,000

Prices are up in all 50 states since the conflict began on Feb. 28, but some states have been hit harder than others. Read on for a list of key findings and a state-by-state breakdown.

Also see how to save money at the pump during this inflationary period for fuel.

Key Findings

• Multiple Midwest states have been hit the hardest, with Indiana seeing a 68-cent increase (up 24%) and Ohio up 66 cents (23.6%). Florida saw the third-highest percentage increase (61 cents, 21.2%), followed by Iowa (54 cents, 20.6%), Oklahoma (50 cents, 20.8%) and Michigan (59 cents, 19.8%).

• The smallest percentage increases were seen in the West. Prices in Hawaii were up 14 cents (3%). Washington had the second-lowest bump (26 cents, 6%) followed by Oregon (28 cents, 7%) and Alaska (30 cents, 8%).

• Despite seeing a relatively modest 12% bump, California still has the highest price per gallon in the nation at $5.20. Washington is a distant second ($4.63), followed by Hawaii ($4.52).

• The nation’s least expensive gallon of gas can be found in Kansas ($2.92). Oklahoma comes in second at $2.97, followed by Missouri and Arkansas (both $2.99).

Here’s a look at current prices and percentage increases for every state.

Alabama

• Current average price per gallon (regular): $3.05

• % increase in price from a week ago: 14.5%

• % increase in price from a month ago: 18.8%

• Current cost to fill up a 12-gallon tank: $36.58

Alaska

• Current average price per gallon (regular): $3.92

• % increase in price from a week ago: 8.1%

• % increase in price from a month ago: 13.3%

• Current cost to fill up a 12-gallon tank: $47.02

Arizona

• Current average price per gallon (regular): $3.86

• % increase in price from a week ago: 16.2%

• % increase in price from a month ago: 24.8%

• Current cost to fill up a 12-gallon tank: $46.31

Arkansas

• Current average price per gallon (regular): $2.99

• % increase in price from a week ago: 14.5%

• % increase in price from a month ago: 22.6%

• Current cost to fill up a 12-gallon tank: $35.92

California

• Current average price per gallon (regular): $5.20

• % increase in price from a week ago: 11.8%

• % increase in price from a month ago: 16.2%

• Current cost to fill up a 12-gallon tank: $62.45

Colorado

• Current average price per gallon (regular): $3.41

• % increase in price from a week ago: 18.1%

• % increase in price from a month ago: 24.8%

• Current cost to fill up a 12-gallon tank: $40.93

Connecticut

• Current average price per gallon (regular): $3.37

• % increase in price from a week ago: 15.3%

• % increase in price from a month ago: 16.5%

• Current cost to fill up a 12-gallon tank: $40.40

Delaware

• Current average price per gallon (regular): $3.37

• % increase in price from a week ago: 16.6%

• % increase in price from a month ago: 16.6%

• Current cost to fill up a 12-gallon tank: $40.40

Florida

• Current average price per gallon (regular): $3.49

• % increase in price from a week ago: 21.2%

• % increase in price from a month ago: 22.8%

• Current cost to fill up a 12-gallon tank: $41.93

Georgia

• Current average price per gallon (regular): $3.23

• % increase in price from a week ago: 15.2%

• % increase in price from a month ago: 21.4%

• Current cost to fill up a 12-gallon tank: $38.77

Hawaii

• Current average price per gallon (regular): $4.52

• % increase in price from a week ago: 3.2%

• % increase in price from a month ago: 2.8%

• Current cost to fill up a 12-gallon tank: $54.28

Idaho

• Current average price per gallon (regular): $3.24

• % increase in price from a week ago: 9.1%

• % increase in price from a month ago: 11.9%

• Current cost to fill up a 12-gallon tank: $38.90

Illinois

• Current average price per gallon (regular): $3.52

• % increase in price from a week ago: 15.2%

• % increase in price from a month ago: 16.8%

• Current cost to fill up a 12-gallon tank: $42.29

Indiana

• Current average price per gallon (regular): $3.48

• % increase in price from a week ago: 24.2%

• % increase in price from a month ago: 24.5%

• Current cost to fill up a 12-gallon tank: $41.71

Iowa

• Current average price per gallon (regular): $3.18

• % increase in price from a week ago: 20.6%

• % increase in price from a month ago: 23.7%

• Current cost to fill up a 12-gallon tank: $38.10

Kansas

• Current average price per gallon (regular): $2.92

• % increase in price from a week ago: 13.7%

• % increase in price from a month ago: 18.8%

• Current cost to fill up a 12-gallon tank: $35.06

Kentucky

• Current average price per gallon (regular): $3.13

• % increase in price from a week ago: 18.9%

• % increase in price from a month ago: 22.2%

• Current cost to fill up a 12-gallon tank: $37.57

Louisiana

• Current average price per gallon (regular): $3.04

• % increase in price from a week ago: 18.1%

• % increase in price from a month ago: 21.7%

• Current cost to fill up a 12-gallon tank: $36.53

Maine

• Current average price per gallon (regular): $3.41

• % increase in price from a week ago: 16.9%

• % increase in price from a month ago: 17.4%

• Current cost to fill up a 12-gallon tank: $40.93

Maryland

• Current average price per gallon (regular): $3.49

• % increase in price from a week ago: 16.9%

• % increase in price from a month ago: 17.4%

• Current cost to fill up a 12-gallon tank: $41.90

Massachusetts

• Current average price per gallon (regular): $3.31

• % increase in price from a week ago: 13.6%

• % increase in price from a month ago: 14.0%

• Current cost to fill up a 12-gallon tank: $39.76

Michigan

• Current average price per gallon (regular): $3.58

• % increase in price from a week ago: 19.8%

• % increase in price from a month ago: 26.9%

• Current cost to fill up a 12-gallon tank: $42.97

Minnesota

• Current average price per gallon (regular): $3.25

• % increase in price from a week ago: 14.8%

• % increase in price from a month ago: 23.0%

• Current cost to fill up a 12-gallon tank: $39.02

Mississippi

• Current average price per gallon (regular): $3.01

• % increase in price from a week ago: 17.9%

• % increase in price from a month ago: 22.1%

• Current cost to fill up a 12-gallon tank: $36.06

Missouri

• Current average price per gallon (regular): $2.99

• % increase in price from a week ago: 11.5%

• % increase in price from a month ago: 19.9%

• Current cost to fill up a 12-gallon tank: $35.87

Montana

• Current average price per gallon (regular): $3.14

• % increase in price from a week ago: 11.1%

• % increase in price from a month ago: 14.6%

• Current cost to fill up a 12-gallon tank: $37.63

Nebraska

• Current average price per gallon (regular): $3.04

• % increase in price from a week ago: 11.9%

• % increase in price from a month ago: 17.2%

• Current cost to fill up a 12-gallon tank: $36.52

Nevada

• Current average price per gallon (regular): $4.21

• % increase in price from a week ago: 13.8%

• % increase in price from a month ago: 19.0%

• Current cost to fill up a 12-gallon tank: $50.54

New Hampshire

• Current average price per gallon (regular): $3.35

• % increase in price from a week ago: 17.1%

• % increase in price from a month ago: 18.2%

• Current cost to fill up a 12-gallon tank: $40.21

New Jersey

• Current average price per gallon (regular): $3.34

• % increase in price from a week ago: 14.4%

• % increase in price from a month ago: 16.6%

• Current cost to fill up a 12-gallon tank: $40.06

New Mexico

• Current average price per gallon (regular): $3.29

• % increase in price from a week ago: 18.2%

• % increase in price from a month ago: 22.9%

• Current cost to fill up a 12-gallon tank: $39.44

New York

• Current average price per gallon (regular): $3.40

• % increase in price from a week ago: 13.1%

• % increase in price from a month ago: 13.7%

• Current cost to fill up a 12-gallon tank: $40.79

North Carolina

• Current average price per gallon (regular): $3.27

• % increase in price from a week ago: 18.4%

• % increase in price from a month ago: 21.0%

• Current cost to fill up a 12-gallon tank: $39.22

North Dakota

• Current average price per gallon (regular): $3.04

• % increase in price from a week ago: 14.8%

• % increase in price from a month ago: 18.8%

• Current cost to fill up a 12-gallon tank: $36.49

Ohio

• Current average price per gallon (regular): $3.43

• % increase in price from a week ago: 23.6%

• % increase in price from a month ago: 23.2%

• Current cost to fill up a 12-gallon tank: $41.20

Oklahoma

• Current average price per gallon (regular): $2.97

• % increase in price from a week ago: 20.1%

• % increase in price from a month ago: 30.0%

• Current cost to fill up a 12-gallon tank: $35.66

Oregon

• Current average price per gallon (regular): $4.21

• % increase in price from a week ago: 7.2%

• % increase in price from a month ago: 18.4%

• Current cost to fill up a 12-gallon tank: $50.46

Pennsylvania

• Current average price per gallon (regular): $3.59

• % increase in price from a week ago: 15.0%

• % increase in price from a month ago: 15.1%

• Current cost to fill up a 12-gallon tank: $43.07

Rhode Island

• Current average price per gallon (regular): $3.33

• % increase in price from a week ago: 14.4%

• % increase in price from a month ago: 15.9%

• Current cost to fill up a 12-gallon tank: $39.90

South Carolina

• Current average price per gallon (regular): $3.16

• % increase in price from a week ago: 18.7%

• % increase in price from a month ago: 21.0%

• Current cost to fill up a 12-gallon tank: $37.97

South Dakota

• Current average price per gallon (regular): $3.06

• % increase in price from a week ago: 12.6%

• % increase in price from a month ago: 17.2%

• Current cost to fill up a 12-gallon tank: $36.68

Tennessee

• Current average price per gallon (regular): $3.04

• % increase in price from a week ago: 16.3%

• % increase in price from a month ago: 19.0%

• Current cost to fill up a 12-gallon tank: $36.42

Texas

• Current average price per gallon (regular): $3.13

• % increase in price from a week ago: 19.6%

• % increase in price from a month ago: 25.1%

• Current cost to fill up a 12-gallon tank: $37.55

Utah

• Current average price per gallon (regular): $3.18

• % increase in price from a week ago: 16.3%

• % increase in price from a month ago: 15.7%

• Current cost to fill up a 12-gallon tank: $38.16

Vermont

• Current average price per gallon (regular): $3.36

• % increase in price from a week ago: 11.6%

• % increase in price from a month ago: 12.6%

• Current cost to fill up a 12-gallon tank: $40.33

Virginia

• Current average price per gallon (regular): $3.30

• % increase in price from a week ago: 16.5%

• % increase in price from a month ago: 15.9%

• Current cost to fill up a 12-gallon tank: $39.60

Washington

• Current average price per gallon (regular): $4.63

• % increase in price from a week ago: 6.0%

• % increase in price from a month ago: 15%

• Current cost to fill up a 12-gallon tank: $55.56

West Virginia

• Current average price per gallon (regular): $3.39

• % increase in price from a week ago: 18.7%

• % increase in price from a month ago: 19.3%

• Current cost to fill up a 12-gallon tank: $40.67

Wisconsin

• Current average price per gallon (regular): $3.15

• % increase in price from a week ago: 13.7%

• % increase in price from a month ago: 23.0%

• Current cost to fill up a 12-gallon tank: $37.81

Wyoming

• Current average price per gallon (regular): $3.07

• % increase in price from a week ago: 12.3%

• % increase in price from a month ago: 16.0%

• Current cost to fill up a 12-gallon tank: $36.78

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This article originally appeared on GOBankingRates.com: How Much Gas Prices Have Increased in Every State Since Iran Conflict Began