Costco gas prices in Tustin
Tustin stations
- Costco Tustin Ranch2655 El Camino Real
- $5.079
- Costco Tustin2700 Park Ave
- $5.299
Regular per gallon · updated July 22, 2026
Tustin has 2 Costco gas stations, and today the cheapest regular among them is $5.079/gal at Costco Tustin Ranch. The board compares them side by side — tap a station for its full price history and hours. Tustin Costco regular prices have climbed about $0.230 per gallon over the past month, from $4.959 to $5.189. Premium is up $0.270 over the same stretch, now at $5.589.
30-day price trend
Regular$5.189Premium$5.589
View price history as a table
| Date | Regular | Premium |
|---|---|---|
| July 22, 2026 | $5.189 | $5.589 |
| July 21, 2026 | $5.179 | $5.579 |
| July 20, 2026 | $5.049 | $5.449 |
| July 19, 2026 | $5.099 | $5.499 |
| July 18, 2026 | $5.079 | $5.499 |
| July 17, 2026 | $4.999 | $5.449 |
| July 16, 2026 | $4.979 | $5.429 |
| July 15, 2026 | $4.899 | $5.349 |
| July 14, 2026 | $4.879 | $5.329 |
| July 13, 2026 | $4.859 | $5.329 |
| July 12, 2026 | $4.859 | $5.329 |
| July 11, 2026 | $4.879 | $5.379 |
| July 10, 2026 | $4.929 | $5.399 |
| July 9, 2026 | $4.909 | $5.359 |
| July 8, 2026 | $4.799 | $5.189 |
| July 7, 2026 | $4.799 | $5.119 |
| July 6, 2026 | $4.849 | $5.119 |
| July 5, 2026 | $4.849 | $5.179 |
| July 4, 2026 | $4.799 | $5.179 |
| July 3, 2026 | $4.799 | $5.169 |
| July 2, 2026 | $4.799 | $5.179 |
| July 1, 2026 | $4.859 | $5.179 |
| June 30, 2026 | $4.879 | $5.259 |
| June 29, 2026 | $4.959 | $5.259 |
| June 28, 2026 | $4.959 | $5.259 |
| June 27, 2026 | $4.959 | $5.259 |
| June 26, 2026 | $4.959 | $5.259 |
| June 25, 2026 | $4.959 | $5.259 |
| June 24, 2026 | $4.959 | $5.259 |
| June 23, 2026 | $4.959 | $5.319 |
All stations in Tustin
All 2 stations, sorted by regular price from lowest to highest, comparing every fuel. Prices in $/gal.
| Rank | Station | Regular | Premium |
|---|---|---|---|
| 1 | Costco Tustin RanchTustin | $5.079 | $5.479 |
| 2 | Costco TustinTustin | $5.299 | $5.699 |