Costco Plainfield Gas Prices – S. Boulevard Place
- Regular · today
- $4.469▼ −$0.030
- Premium · today
- $5.699▼ −$0.060
USD per gallon · Last updated September 30, 2026 · This station does not sell diesel
16261 S. Boulevard Place, Plainfield, IL 60586-2202 · Open in Maps ↗
30-day range
where today sits- Regular$4.469 today · avg $4.294$3.959 low$4.699 high
- Premium$5.699 today · avg $5.467$5.099 low$5.859 high
Price history at Plainfield
Last 30 days · USD per gallonView data as table
| Date | Regular | Premium |
|---|---|---|
| Sep 1 | $3.959 | $5.099 |
| Sep 2 | $3.959 | $5.099 |
| Sep 3 | $3.959 | $5.099 |
| Sep 4 | $3.959 | $5.199 |
| Sep 5 | $3.959 | $5.199 |
| Sep 6 | $3.999 | $5.199 |
| Sep 7 | $3.999 | $5.199 |
| Sep 8 | $3.999 | $5.199 |
| Sep 9 | $3.999 | $5.199 |
| Sep 10 | $3.999 | $5.199 |
| Sep 11 | $4.059 | $5.199 |
| Sep 12 | $4.059 | $5.149 |
| Sep 13 | $4.099 | $5.249 |
| Sep 14 | $4.159 | $5.249 |
| Sep 15 | $4.199 | $5.359 |
| Sep 16 | $4.299 | $5.459 |
| Sep 17 | $4.399 | $5.559 |
| Sep 18 | — | — |
| Sep 19 | $4.699 | $5.849 |
| Sep 20 | $4.699 | $5.859 |
| Sep 21 | $4.699 | $5.859 |
| Sep 22 | $4.699 | $5.859 |
| Sep 23 | $4.659 | $5.799 |
| Sep 24 | $4.649 | $5.759 |
| Sep 25 | $4.599 | $5.799 |
| Sep 26 | $4.599 | $5.799 |
| Sep 27 | $4.599 | $5.799 |
| Sep 28 | $4.599 | $5.799 |
| Sep 29 | $4.499 | $5.759 |
| Sep 30 | $4.469 | $5.699 |
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 $4.469 for Regular, Plainfield is the 9th cheapest of 24 Costco gas stations in Illinois today, $0.057 below the Illinois average of $4.526.
Naperville, 11.1 mi away, is $0.080 cheaper.
- vs the US average
- $0.137 below, at $4.606
- Premium over Regular
- $1.230 — the Illinois median is $1.105
- Over the last 30 days
- up $0.510
- Days the price changed
- 13 of 29 reported days
- Cheapest day in the window
- September 5, 2026, at $3.959
- 15-gallon fill
- $67.04, $7.65 more than at the 30-day low
- Nearest cheaper station
- Naperville — 11.1 mi
Plainfield is located at 16261 S. Boulevard Place, Plainfield, IL 60586-2202, in Illinois. The gas station sits in the warehouse parking lot and is open to Costco members, selling Regular and Premium — this location does not sell 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. – 7:30 p.m. on Sundays, in local time.
Station details
Plainfield Gas station hours
- Mon–Fri
- 6 a.m. – 10 p.m.
- Saturday
- 6 a.m. – 8:30 p.m.
- Sunday
- 6 a.m. – 7:30 p.m.
Plainfield 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 Plainfield
- 1NapervilleNaperville, IL · 11.1 mi$4.389Regular
- 2BolingbrookBolingbrook, IL · 12.0 mi$4.699Regular
- 3YorkvilleYorkville, IL · 14.4 mi$4.389Regular
- 4NE NapervilleNaperville, IL · 14.8 mi$4.579Regular
- 5Orland ParkOrland Park, IL · 15.9 mi$4.579Regular
Distances are straight-line. Prices across the border are shown in that country’s units (¢ per litre).
Cities near Plainfield
- Costco gas prices Bolingbrook · IL · 12 mi$4.699
- Costco gas prices Naperville · IL · 13 mi$4.484
- Costco gas prices Yorkville · IL · 14 mi$4.389
- Costco gas prices Orland Park · IL · 16 mi$4.579
- Costco gas prices Oak Brook · IL · 21 mi$4.299
- Costco gas prices Saint Charles · IL · 24 mi$4.539
- Costco gas prices Bloomingdale · IL · 24 mi$4.199
- Costco gas prices North Riverside · IL · 26 mi$4.559
At this location
- Warehouse opened
- November 2020
- Warehouse phone
- (815) 676-1170
- 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 Plainfield today?
As of the September 30, 2026 reading: Regular $4.469 and Premium $5.699 per gallon. Prices are collected once a day, so the pump can differ.
What time does the Costco Plainfield 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. – 7:30 p.m. Sundays, in local time. The pumps open 4 hours before the warehouse on weekdays.
Does the Costco Plainfield gas station sell diesel?
No — this station sells Regular and Premium, and has reported no diesel price in the last 30 days.
Is Costco Plainfield cheaper than the average Costco station in Illinois?
Yes — at $4.469, Regular here is $0.057 below the Illinois Costco average of $4.526.
Where is the Costco Plainfield gas station?
At 16261 S. Boulevard Place, Plainfield, IL 60586-2202. 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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