The price of a gallon of gasoline in Massachusetts has soared 8 cents in the past week, just one week after a modest decrease.

AAA Northeast in its weekly price survey released Monday found self-serve, regular selling for an average of $2.25 per gallon.

That’s still 3 cents per gallon lower than the national average and 41 cents lower than the average price a year ago.

It’s also the lowest gas has been heading into the Memorial Day weekend in 11 years.

AAA found self-serve, regular selling for as low as $2.11 per gallon and as high as $2.49.

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