Costco Ajax Gas Prices – Kingston Rd E
- Regular · today
- 151.9¢▼ −6.0¢
- Premium · today
- 176.9¢▼ −6.0¢
¢ per litre · Last updated October 31, 2026 · This station does not sell diesel
150 Kingston Rd E, Ajax, ON L1Z 1E5 · Open in Maps ↗
30-day range
where today sits- Regular151.9¢ today · avg 166.9¢151.9¢ low179.9¢ high
- Premium176.9¢ today · avg 191.4¢176.9¢ low204.9¢ high
Price history at Ajax
Last 30 days · ¢ per litreRegular: 168.9¢ on Oct 2 to 151.9¢ on Oct 31, low 151.9¢, high 179.9¢. Premium: 192.9¢ on Oct 2 to 176.9¢ on Oct 31, low 176.9¢, high 204.9¢.
Last updated October 31, 2026. Prices are collected once daily and can lag same-day changes at the pump.
Today’s price in context
At 151.9¢ for Regular, Ajax is the 3rd cheapest of 28 Costco gas stations in Ontario today, 6.5¢ below the Ontario average of 158.4¢.
Oshawa, 13.7 km away, is 4.0¢ cheaper.
- vs the Canadian average
- 10.8¢ below, at 162.7¢
- Premium over Regular
- 25.0¢ — the Ontario median is 25.0¢
- Regular over the last 30 days
- down 17.0¢
- Days the price changed
- 24 of 30 reported days
- Latest day at the 30-day low
- today, at 151.9¢
- 50-litre fill
- $75.95 — the cheapest it has been in 30 days
- Nearest cheaper station
- Oshawa — 13.7 km
Ajax is located at 150 Kingston Rd E, Ajax, ON L1Z 1E5, in Ontario. 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. – 9:30 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
Ajax Gas station hours
- Mon–Fri
- 6 a.m. – 9:30 p.m.
- Saturday
- 6 a.m. – 8:30 p.m.
- Sunday
- 6 a.m. – 7:30 p.m.
Ajax Warehouse hours
- Mon–Fri
- 9 a.m. – 8:30 p.m.
- Saturday
- 9 a.m. – 7 p.m.
- Sunday
- 9 a.m. – 7 p.m.
Cities near Ajax
- Costco gas prices Oshawa · ON · 14 km147.9¢
- Costco gas prices Scarborough · ON · 25 km156.9¢
- Costco gas prices Newmarket · ON · 39 km162.9¢
- Costco gas prices Toronto · ON · 39 km158.9¢
- Costco gas prices East Gwillimbury · ON · 44 km162.9¢
- Costco gas prices Etobicoke · ON · 47 km159.9¢
- Costco gas prices Vaughan · ON · 47 km161.9¢
- Costco gas prices Mississauga · ON · 57 km156.9¢
At this location
- Warehouse opened
- December 1993
- Warehouse phone
- (905) 619-6677
- Pumps open early
- 3 hours before the warehouse on weekdays
Also at this warehouse: a food court, a pharmacy, an optical department, a hearing aid center and a tire center.
Frequently asked questions
How much is gas at Costco Ajax today?
As of October 31, 2026: Regular 151.9¢ and Premium 176.9¢ per litre. Prices are collected once a day, so the pump can differ.
What time does the Costco Ajax gas station open?
The pumps are open 6 a.m. – 9:30 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 3 hours before the warehouse on weekdays.
Does the Costco Ajax gas station sell diesel?
No — this station sells Regular and Premium, and has reported no diesel price in the last 30 days.
Is Costco Ajax cheaper than the average Costco station in Ontario?
Yes — at 151.9¢, Regular here is 6.5¢ below the average Costco price in Ontario, 158.4¢.
Where is the Costco Ajax gas station?
At 150 Kingston Rd E, Ajax, ON L1Z 1E5. 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 Costco membership card has to be scanned at the pump, and a Costco Shop Card works for non-members.
What payment methods does the Costco gas bar accept?
Cards and the Costco Shop Card; Canadian Costco gas bars take no cash at the pump.
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