Costco St George Gas Prices – Saint George, UT
- Regular · today
- $4.899
- Premium · today
- $5.399
- Diesel · today
- $6.359
USD per gallon · Last updated September 30, 2026
835 N 3050 E, Saint George, UT 84790-9041 · Open in Maps ↗
30-day range
where today sits- Regular$4.899 today · avg $4.638$4.279 low$4.899 high
- Premium$5.399 today · avg $5.184$4.849 low$5.399 high
- Diesel$6.359 today · avg $6.005$5.499 low$6.499 high
Price history at St George
Last 30 days · USD per gallonView data as table
| Date | Regular | Premium | Diesel |
|---|---|---|---|
| Sep 1 | $4.329 | $4.949 | $5.499 |
| Sep 2 | $4.329 | $4.979 | $5.499 |
| Sep 3 | $4.329 | $4.979 | $5.499 |
| Sep 4 | $4.329 | $4.929 | $5.499 |
| Sep 5 | $4.279 | $4.849 | $5.549 |
| Sep 6 | $4.279 | $4.849 | $5.599 |
| Sep 7 | $4.299 | $4.869 | $5.629 |
| Sep 8 | $4.299 | $4.869 | $5.629 |
| Sep 9 | $4.399 | $4.999 | $5.759 |
| Sep 10 | $4.599 | $5.099 | $5.799 |
| Sep 11 | $4.669 | $5.149 | $5.799 |
| Sep 12 | $4.669 | $5.149 | $5.799 |
| Sep 13 | $4.669 | $5.199 | $5.859 |
| Sep 14 | $4.669 | $5.199 | $5.879 |
| Sep 15 | $4.699 | $5.199 | $5.899 |
| Sep 16 | $4.699 | $5.359 | $5.999 |
| Sep 17 | $4.759 | $5.359 | $6.089 |
| Sep 18 | — | — | — |
| Sep 19 | $4.749 | $5.269 | $6.299 |
| Sep 20 | $4.749 | $5.269 | $6.299 |
| Sep 21 | $4.799 | $5.299 | $6.399 |
| Sep 22 | $4.799 | $5.359 | $6.399 |
| Sep 23 | $4.899 | $5.379 | $6.399 |
| Sep 24 | $4.899 | $5.379 | $6.499 |
| Sep 25 | $4.899 | $5.399 | $6.499 |
| Sep 26 | $4.899 | $5.399 | $6.499 |
| Sep 27 | $4.849 | $5.399 | $6.399 |
| Sep 28 | $4.849 | $5.399 | $6.439 |
| Sep 29 | $4.899 | $5.399 | $6.359 |
| Sep 30 | $4.899 | $5.399 | $6.359 |
Last updated September 30, 2026. Prices are collected once daily and can lag same-day changes at the pump.
Today’s price in context
At $4.899 for Regular, St George is tied for the most expensive of 16 Costco gas stations in Utah today, $0.139 above the Utah average of $4.760.
None of the 5 nearest Costco stations is cheaper today.
- vs the US average
- $0.293 above, at $4.606
- Premium over Regular
- $0.500 — the Utah median is $0.480
- Over the last 30 days
- up $0.570
- Days the price changed
- 12 of 29 reported days
- Cheapest day in the window
- September 6, 2026, at $4.279
- 15-gallon fill
- $73.48, $9.30 more than at the 30-day low
St George is located at 835 N 3050 E, Saint George, UT 84790-9041, in Utah. The gas station sits in the warehouse parking lot and is open to Costco members, selling Regular, Premium and Diesel. Gas station hours are 6 a.m. – 10 p.m. on weekdays, 6 a.m. – 8:30 p.m. on Saturdays and 6 a.m. – 8 p.m. on Sundays, in local time.
Station details
Saint George Gas station hours
- Mon–Fri
- 6 a.m. – 10 p.m.
- Saturday
- 6 a.m. – 8:30 p.m.
- Sunday
- 6 a.m. – 8 p.m.
Saint George Warehouse hours
- Mon–Fri
- 10 a.m. – 8:30 p.m.
- Saturday
- 9:30 a.m. – 7 p.m.
- Sunday
- 10 a.m. – 6 p.m.
Costco gas near St George
- 1S St GeorgeSt. George, UT · 7.9 mi$4.899Regular
- 2CentennialLas Vegas, NV · 110.1 mi$5.099Regular
- 3HendersonHenderson, NV · 111.2 mi$5.049Regular
- 4Las Vegas Business CenterLas Vegas, NV · 112.1 mi$5.099Regular
- 5SW HendersonHenderson, NV · 119.1 mi$4.999Regular
Distances are straight-line. Prices across the border are shown in that country’s units (¢ per litre).
Cities near Saint George
- Costco gas prices St. George · UT · 8 mi$4.899
- Costco gas prices Henderson · NV · 115 mi$5.024
- Costco gas prices Las Vegas · NV · 116 mi$5.114
At this location
- Warehouse opened
- November 2000
- Warehouse phone
- (435) 256-0003
- Pumps open before the warehouse
- 4 hours on weekdays
Also at this warehouse: a food court, a pharmacy, an optical department and a tire center.
Costco publishes one number per warehouse; there is no separate line for the gas station.
Frequently asked questions
How much is gas at Costco St George today?
As of the September 30, 2026 reading: Regular $4.899, Premium $5.399 and Diesel $6.359 per gallon. Prices are collected once a day, so the pump can differ.
What time does the Costco St George gas station open?
The pumps are open 6 a.m. – 10 p.m. weekdays, 6 a.m. – 8:30 p.m. Saturdays and 6 a.m. – 8 p.m. Sundays, in local time. The pumps open 4 hours before the warehouse on weekdays.
Does the Costco St George gas station sell diesel?
Yes — diesel is $6.359 per gallon here as of September 30, 2026.
Is Costco St George cheaper than the average Costco station in Utah?
No — at $4.899, Regular here is $0.139 above the Utah Costco average of $4.760.
Where is the Costco St George gas station?
At 835 N 3050 E, Saint George, UT 84790-9041. It sits in the Costco warehouse parking lot and is open to members only.
Do you need a Costco membership to buy gas?
Yes — a Gold Star, Executive or Business membership card has to be scanned at the pump before it will dispense, though a Costco Shop Card also works for non-members.
What payment methods does the Costco gas station accept?
Visa, PIN debit and the Costco Shop Card; US Costco fuel pumps take no cash and no Mastercard, American Express or Discover.
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