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Costco Gas Prices in Chicago, IL

Regular avg
$4.786▼ −$0.063
Premium avg
$5.886▼ −$0.030
Stations reporting
3

Avg of 3 stations · per gallon · ▲▼ change since the previous day

Price history in Chicago

Last 30 days · per gallon
RegularPremium
View data as table
Price history by date
DateRegularPremium
Sep 1$4.444$5.544
Sep 2$4.474$5.594
Sep 3$4.474$5.594
Sep 4$4.474$5.594
Sep 5$4.474$5.599
Sep 6$4.449$5.599
Sep 7$4.449$5.599
Sep 8$4.449$5.599
Sep 9$4.449$5.599
Sep 10$4.449$5.649
Sep 11$4.474$5.649
Sep 12$4.474$5.649
Sep 13$4.499$5.649
Sep 14$4.474$5.599
Sep 15$4.544$5.724
Sep 16$4.724$5.889
Sep 17$4.899$5.949
Sep 18——
Sep 19$5.099$6.199
Sep 20$4.982$6.132
Sep 21$4.982$6.132
Sep 22$4.966$6.116
Sep 23$4.936$6.032
Sep 24$4.902$5.992
Sep 25$4.882$5.956
Sep 26$4.866$5.932
Sep 27$4.866$5.932
Sep 28$4.876$5.942
Sep 29$4.849$5.916
Sep 30$4.786$5.886

Costco gas in Chicago today

Chicago has 3 Costco gas stations: Bedford Park Business Center at 7300 S Cicero Ave, Chicago South Loop at 1430 S Ashland Ave, and Lincoln Park at 2746 N Clybourn Ave.

Today’s Regular prices span $0.740 across the 3 stations reporting, from the cheapest to the most expensive.

Costco Regular prices in Chicago have climbed about $0.312 over the past month, from $4.474 a month ago.

The furthest any single station moved was Lincoln Park, up $0.650.

Most expensive today
Lincoln Park — $5.199
vs the Illinois average
$0.260 above, at $4.526
Diesel
sold at none of the 3 stations
EV charging
Lincoln Park

Costco gas stations in Chicago

Fuel grades at Costco in Chicago

All 3 Costco gas stations in Chicago sell Kirkland Signature fuel, which is Top Tier certified. None of them reported a diesel price in the last 30 days.

Fuel grades at Costco in Chicago
GradeStationsAvg todayCheapest
Regular3$4.786Bedford Park Business Center $4.459
Premium3$5.886Bedford Park Business Center $5.559

Regular

all 3 stations

87-octane Kirkland Signature unleaded, the grade most cars are built for.

  • Same TOP TIER detergent package as premium. The only difference between the two is octane.
  • Can contain up to 10% ethanol, like most US gasoline. The pump label shows the blend.

Premium

all 3 stations

Kirkland Signature premium: 91 octane at most stations, 93 in some regions.

  • Only needed if your owner’s manual requires or recommends premium. Higher octane resists engine knock; it adds nothing to an engine built for regular.
  • Carries the same detergent additives as regular.

Not sold at Costco

  • Mid-grade (89): Costco pumps offer regular and premium only.
  • Cash sales: every Costco pump is card-only.

Is Costco gas in Chicago good quality?

Costco does not sell a refiner’s brand. Every pump in Chicago dispenses Costco’s own Kirkland Signature fuel, bought from major refiners and distributors in the region and finished with Costco’s additive package.

Kirkland Signature gasoline is licensed TOP TIER, the detergent standard set by automakers including GM, Ford, Toyota, Honda and BMW. Costco puts its detergent level at about five times the EPA minimum, which is what keeps intake valves and fuel injectors clear of carbon deposits. Costco’s gasoline also contains friction modifiers that it says reduce engine wear.

In short, the low price is not a lower grade. The saving comes from Costco running its gas as a membership perk on thin margins, not from the fuel.

Costco gas station hours in Chicago

On weekdays the earliest pumps in Chicago come on at 6 a.m. (Bedford Park Business Center) and the last ones switch off at 10 p.m. (Bedford Park Business Center). Pump hours run longer than the warehouse's, and weekends are shorter. Times are local.

Costco gas station hours in Chicago
StationMon–FriSatSun
Bedford Park Business Center6 a.m. – 10 p.m.6 a.m. – 8:30 p.m.6 a.m. – 7:30 p.m.
Chicago South Loop6 a.m. – 10 p.m.6 a.m. – 8:30 p.m.6 a.m. – 7:30 p.m.
Lincoln Park6 a.m. – 10 p.m.6 a.m. – 8:30 p.m.6 a.m. – 7:30 p.m.

What else is at Costco warehouses in Chicago

Every Costco gas station sits in a warehouse parking lot, so a fill-up can share a trip with the rest of the list. EV charging is on site at one.

Food court
2 of 3
Pharmacy
2 of 3
Optical
2 of 3
Tire center
2 of 3
Car wash
0 of 3
EV charging
1 of 3

EV charging: Lincoln Park.

How Costco gas works in Chicago

Bring your card. The pump asks for an active Costco membership card before it starts, at all 3 gas stations in Chicago. Without a membership, a Costco Shop Card loaded with credit works the same way.

Pay by card. The pumps take Visa, most debit cards and the Costco Shop Card. There is no cash, and a card hold of up to $150 can show until the fill posts.

Check the price first. Each station sets its own price, usually once a day, so two Costco stations in Chicago can differ. Today the regular average here is $4.786. The prices on this page are collected once daily and can lag a same-day change at the pump.

Go early or late. Lines are longest on weekend afternoons and weekday evenings. The first pumps here open at 6 a.m. on weekdays.

ZIP codes with Costco gas in Chicago

Costco gas in Chicago is in 3 ZIP codes. Each links to the station there.

Cities near Chicago

States near Illinois

Costco gas in Chicago: common questions

Where is the cheapest Costco gas in Chicago today?

Bedford Park Business Center posts the lowest Regular price in Chicago, $4.459 as of the September 30, 2026 reading — $0.740 under Lincoln Park, the most expensive of the 3 stations reporting.

How many Costco gas stations are there in Chicago?

Chicago has 3 Costco warehouses with a gas station, and all of them reported a price in the last 30 days.

Does any Costco gas station in Chicago sell diesel?

No — none of the 3 stations in Chicago has reported a diesel price in the last 30 days. Costco sells diesel at a minority of its locations in the US.

Is Costco gas cheaper in Chicago than in Illinois?

No — the Chicago Costco average for Regular is $4.786, $0.260 above the Illinois average of $4.526 as of the September 30, 2026 reading.

Are Costco gas prices in Chicago going up or down?

Up — the Chicago Costco average for Regular has climbed about $0.312 over the past month, from $4.474 to $4.786.