Delaware Gas Prices
Average price per gallon in Delaware, updated 10/20/26 from AAA. Regular is currently $4.02/gal — $0.26 below the national average of $4.28.
Cheapest gas in Delaware →Regular
$4.02
Mid-grade
$4.63
Premium
$4.94
Diesel
$6.34
Regular, change:▼ −$0.04 Daily change▼ −$0.21 wk▼ −$0.34 mo
Regular — price history
Showing Jun 6, 2026 – Oct 20, 2026
$4.37$3.64
Use arrow keys to inspect observations, Home for the first and End for the latest. The chart data is also available in the table below.View chart data (134 observations)
Showing Jun 6, 2026 – Oct 20, 2026.
134 observations. 3 missing dates between observations; gaps are left blank.
Change across shown dates: +$0.06/gal
Windows end on the latest source date, not today. Dates stay on the source calendar day in every time zone.
Diesel, change:▼ −$0.02 Daily change▲ +$0.03 wk▼ −$0.08 mo
Diesel — price history
Showing Jun 6, 2026 – Oct 20, 2026
$6.45$4.70
Use arrow keys to inspect observations, Home for the first and End for the latest. The chart data is also available in the table below.View chart data (134 observations)
Showing Jun 6, 2026 – Oct 20, 2026.
134 observations. 3 missing dates between observations; gaps are left blank.
Change across shown dates: +$1.25/gal
Windows end on the latest source date, not today. Dates stay on the source calendar day in every time zone.
Cheapest metros in Delaware
Metro observations: Oct 20, 2026.
| Metro | Regular | Diesel |
|---|---|---|
| Wilmington-Newark (DE only) | $4.01 | $6.36 |
| Milford-Seaford | $4.02 | $6.31 |
| Dover | $4.04 | $6.33 |