Costco Connecticut Gas Prices
Find the cheapest Costco gas in Connecticut— every fuel center ranked by today's price.
7 Costco fuel centers in 7 cities · 0 of 7 sell diesel
Costco operates 7 fuel centers in Connecticut, spread across 7 cities. Across the state, regular gas averages $3.958 and premium runs about $0.907 higher at $4.865. The lowest-priced regular pump is at Costco Waterbury in Waterbury at $3.879, while Enfield in Enfield sits about $0.170 higher. Across the state, regular pump prices have held roughly flat over the past month.
If your vehicle takes premium, the lowest in Connecticut is Costco Brookfield in Brookfield at $4.759. Pump prices shift from one warehouse to the next with local taxes, fuel-blend rules, and transport costs, but Costco fuel is members-only and usually runs below nearby branded stations — which is what keeps these pumps busy.
30-day Connecticut average price trend
Browse Connecticut cities
All Connecticut stations by price
| Station | Regular | Premium |
|---|---|---|
| Waterbury Waterbury | $3.879 | $4.859 |
| New Britain New Britain | $3.899 | $4.799 |
| Brookfield Brookfield | $3.919 | $4.759 |
| Milford Milford | $3.959 | $4.959 |
| E Lyme East Lyme | $3.999 | $4.879 |
| South Windsor South Windsor | $3.999 | $4.799 |
| Enfield Enfield | $4.049 | $4.999 |