According to GasBuddy.com, gas prices in Iowa have fallen in the past week, which is good news heading into the summer travel season. Gas this week is, on average, 6 cents cheaper than it was last week. The average price for a gallon of gas in Iowa was $2.60. That number is 12 cents cheaper than the national average. The cheapest gas in the state resides in Sioux City where gas is $2.22 a gallon.
