Costco Gas Prices in Ancaster, Ontario
1 station tracked · Prices last updated: October 1, 2026 at 12:19 AM EDT. Prices refresh about once an hour; the price at the pump is what applies.
Regular$1.679
Premium$1.949
Diesel—
100 Legend Crt, Ancaster, ON, L9K 1J3
Gas hours: Mon-Fri. 6:00am - 9:30pm; Sat. 6:00am - 8:30pm; Sun. 6:00am - 8:30pm
Get directions
Compare Costco gas prices in Ancaster before you drive. UPump refreshes prices automatically about once an hour from Costco's public warehouse information.