The Colony, Texas — Gas prices in the Dallas area averaged $3.9816 per gallon for regular unleaded on September 19, 2026, according to AAA, down from $3.9820 yesterday. That is up from $3.8829 a week ago but higher than $3.7018 a month ago.
The statewide average in Texas stands at $3.9516, while the national average is $4.4759. Drivers in the Dallas area are paying above the state average and below the national average.




