Updated April 5, 2026 — Prices updated regularly from EIA data
$3.11
Average regular unleaded — Delaware
Today's Delaware Gas Prices
At $$3.11 per gallon, Delaware fuel costs are below ($0.88) the national average of ${natAvg}. Motorists in Delaware benefit from {supplyNote}, which helps state fuel tax of 23 cents per gallon offset the state's {tax}-cent per gallon fuel tax.
Delaware's gas prices reflect its state fuel tax of 23 cents per gallon state fuel tax of 23 cents per gallon and its Northeast location. {supplyNote} also plays a significant role in what Delaware drivers pay at the pump.
Gas prices within Delaware typically vary 10-20 cents across cities. Urban areas with intense station competition often have better prices than rural regions with fewer options. Warehouse clubs in any major Delaware city consistently offer the best prices statewide.
In Delaware, as in most US states, Monday and Tuesday tend to show the lowest weekly prices. Prices rise Thursday through Sunday as weekend demand increases. Filling up Tuesday afternoon typically captures the weekly low.
Delaware charges 23 cents per gallon in state fuel taxes. The national average is around 30 cents per gallon. Delaware's tax places it among the mid-range states nationally for fuel taxation.
Delaware gas stations offer regular (87 octane) at $$3.11, mid-grade (89 octane) at approximately $$3.59, premium (91-93 octane) at $$3.88, and diesel at $$4.21 per gallon. Most stations also offer E85 ethanol blend where flex-fuel vehicles are common.