Costco gas prices in San Diego
San Diego stations
- Costco Mission Valley2345 Fenton Pkwy
- $5.199
- Costco Morena4605 Morena Blvd
- $5.199
- Costco SE San Diego650 Gateway Center Dr
- $5.199
- Costco Carmel Mountain12350 Carmel Mountain Rd
- $5.299
Regular per gallon · updated July 22, 2026
San Diego has 4 Costco gas stations, and today the cheapest regular among them is $5.199/gal at Costco Mission Valley. The board compares them side by side — tap a station for its full price history and hours. San Diego Costco regular prices have climbed about $0.100 per gallon over the past month, from $5.124 to $5.224. Premium is up $0.160 over the same stretch, now at $5.624.
30-day price trend
Regular$5.224Premium$5.624
View price history as a table
| Date | Regular | Premium |
|---|---|---|
| July 22, 2026 | $5.224 | $5.624 |
| July 21, 2026 | $5.224 | $5.689 |
| July 20, 2026 | $5.232 | $5.689 |
| July 19, 2026 | $5.249 | $5.699 |
| July 18, 2026 | $5.169 | $5.599 |
| July 17, 2026 | $5.169 | $5.542 |
| July 16, 2026 | $5.099 | $5.466 |
| July 15, 2026 | $5.014 | $5.449 |
| July 14, 2026 | $4.949 | $5.364 |
| July 13, 2026 | $4.949 | $5.324 |
| July 12, 2026 | $4.949 | $5.324 |
| July 11, 2026 | $4.989 | $5.299 |
| July 10, 2026 | $5.039 | $5.394 |
| July 9, 2026 | $5.039 | $5.394 |
| July 8, 2026 | $4.949 | $5.274 |
| July 7, 2026 | $4.974 | $5.299 |
| July 6, 2026 | $4.949 | $5.324 |
| July 5, 2026 | $4.999 | $5.399 |
| July 4, 2026 | $4.984 | $5.414 |
| July 3, 2026 | $4.949 | $5.364 |
| July 2, 2026 | $4.989 | $5.364 |
| July 1, 2026 | $5.004 | $5.314 |
| June 30, 2026 | $5.014 | $5.314 |
| June 29, 2026 | $5.004 | $5.349 |
| June 28, 2026 | $5.004 | $5.374 |
| June 27, 2026 | $5.004 | $5.374 |
| June 26, 2026 | $5.024 | $5.399 |
| June 25, 2026 | $5.064 | $5.399 |
| June 24, 2026 | $5.089 | $5.439 |
| June 23, 2026 | $5.124 | $5.464 |
All stations in San Diego
All 4 stations, sorted by regular price from lowest to highest, comparing every fuel. Prices in $/gal.
| Rank | Station | Regular | Premium |
|---|---|---|---|
| 1 | Costco Mission ValleySan Diego | $5.199 | $5.599 |
| 2 | Costco MorenaSan Diego | $5.199 | $5.599 |
| 3 | Costco SE San DiegoSan Diego | $5.199 | $5.599 |
| 4 | Costco Carmel MountainSan Diego | $5.299 | $5.699 |