Costco gas prices in Maine
Maine average
- Regular
- $3.859
- Premium
- $4.659
Average across 1 station, per gallon · updated July 22, 2026
Costco has 1 gas station in Maine — the cheapest regular today is $3.859/gal at Costco Scarborough ME in Scarborough. Maine Costco regular prices have climbed about $0.060 per gallon over the past month, from $3.799 to $3.859. Premium is down $0.040 over the same stretch, now at $4.659.
Gas stations
1
Maine
Avg regular
$3.859
per gallon, USD
Cheapest now
$3.859
Costco Scarborough ME
30-day price trend
Regular$3.859Premium$4.659
View price history as a table
| Date | Regular | Premium |
|---|---|---|
| July 22, 2026 | $3.859 | $4.659 |
| July 21, 2026 | $3.859 | $4.659 |
| July 20, 2026 | $3.859 | $4.659 |
| July 19, 2026 | $3.799 | $4.599 |
| July 18, 2026 | $3.779 | $4.599 |
| July 17, 2026 | $3.779 | $4.599 |
| July 16, 2026 | $3.699 | $4.599 |
| July 15, 2026 | $3.699 | $4.599 |
| July 14, 2026 | $3.699 | $4.599 |
| July 13, 2026 | $3.699 | $4.499 |
| July 12, 2026 | $3.699 | $4.499 |
| July 11, 2026 | $3.659 | $4.499 |
| July 10, 2026 | $3.659 | $4.499 |
| July 9, 2026 | $3.589 | $4.399 |
| July 8, 2026 | $3.589 | $4.359 |
| July 7, 2026 | $3.589 | $4.359 |
| July 6, 2026 | $3.589 | $4.399 |
| July 5, 2026 | $3.659 | $4.499 |
| July 4, 2026 | $3.659 | $4.499 |
| July 3, 2026 | $3.579 | $4.399 |
| July 2, 2026 | $3.589 | $4.459 |
| July 1, 2026 | $3.589 | $4.459 |
| June 30, 2026 | $3.589 | $4.559 |
| June 29, 2026 | $3.589 | $4.589 |
| June 28, 2026 | $3.599 | $4.599 |
| June 27, 2026 | $3.599 | $4.599 |
| June 26, 2026 | $3.649 | $4.649 |
| June 25, 2026 | $3.649 | $4.649 |
| June 24, 2026 | $3.769 | $4.689 |
| June 23, 2026 | $3.799 | $4.699 |
All stations in Maine
All 1 station, sorted by regular price from lowest to highest. Prices in $/gal.
| Rank | Station | Regular | Premium |
|---|---|---|---|
| 1 | Costco Scarborough MEScarborough | $3.859 | $4.659 |