Costco Ajax
150 Kingston Rd E, Ajax, Ontario L1Z 1E5
Regular
152.9¢
Premium
176.9¢
Diesel
220.9¢
Updated Nov 9, 2026View details →
Costco Gas Prices in Ontario
Latest reported Costco fuel prices (cents per litre) at 44 gas stations in Ontario, Canada.
- Stations
- 44
- Avg. Regular
- 151.5¢
- Lowest Regular
- 136.9¢
- Avg. Diesel
- 201.5¢
Cities in Ontario
Costco Gas Stations (44)
Costco Ancaster
100 Legend Crt, Ancaster, Ontario L9K 1J3
Regular
149.9¢
Premium
174.9¢
Diesel
236.9¢
Updated Nov 9, 2026View details →
Costco Barrie
41 Mapleview Dr E, Barrie, Ontario L4N 9A9
Regular
147.9¢
Premium
172.9¢
Diesel
235.6¢
Updated Nov 9, 2026View details →
Costco Brampton
100 Biscayne Cres, Brampton, Ontario L6W 4S1
Regular
159.9¢
Premium
183.6¢
Diesel
244.9¢
Updated Oct 28, 2026View details →
Costco Brantford
175 Roy Boulevard, Brantford, Ontario N3R 7K1
Regular
154.9¢
Premium
176.9¢
Diesel
236.9¢
Updated Nov 9, 2026View details →
Costco Burlington ON
1225 Brant St, Burlington, Ontario L7P 1X7
Regular
159.9¢
Premium
183.6¢
Diesel
244.9¢
Updated Oct 28, 2026View details →
Costco Newmarket Business Centre
18182 Yonge St, East Gwillimbury, Ontario L9N 0J3
Regular
149.9¢
Premium
174.9¢
Diesel
N/A
Updated Nov 9, 2026View details →
Costco NW Toronto
2260 Islington Ave, Etobicoke, Ontario M9W 3W6
Regular
149.9¢
Premium
169.9¢
Diesel
238.9¢
Updated Nov 8, 2026View details →
Costco Etobicoke
50 Queen Elizabeth Blvd, Etobicoke, Ontario M8Z 1M1
Regular
147.9¢
Premium
172.9¢
Diesel
234.9¢
Updated Nov 9, 2026View details →
Costco Gloucester
1405 Blair Towers Place, Gloucester, Ontario K1J 1A5
Regular
138.9¢
Premium
163.9¢
Diesel
243.9¢
Updated Nov 9, 2026View details →
Costco Ottawa Business Centre
1900 Cyrville Rd, Gloucester, Ontario K1B 3V5
Regular
N/A
Premium
N/A
Diesel
N/A
Updated Apr 2, 2026View details →
Costco Guelph
19 Elmira Rd S, Guelph, Ontario N1K 0B6
Regular
151.9¢
Premium
176.9¢
Diesel
236.9¢
Updated Nov 9, 2026View details →
Costco Kanata
770 Silver Seven Rd, Kanata, Ontario K2V 0A1
Regular
159.9¢
Premium
183.6¢
Diesel
244.9¢
Updated Oct 28, 2026View details →
Costco Kingston
1015 Centennial Dr, Kingston, Ontario K7P 3B7
Regular
159.9¢
Premium
183.6¢
Diesel
244.9¢
Updated Oct 28, 2026View details →
Costco Kitchener
4438 King Ste East, Kitchener, Ontario N2P 2G4
Regular
159.9¢
Premium
183.6¢
Diesel
244.9¢
Updated Oct 28, 2026View details →
Costco S London
3140 Dingman Drive, London, Ontario N6E 3W8
Regular
149.9¢
Premium
174.9¢
Diesel
235.9¢
Updated Nov 9, 2026View details →
Costco N London
693 Wonderland Rd N, London, Ontario N6H 4L1
Regular
149.9¢
Premium
174.9¢
Diesel
229.9¢
Updated Nov 9, 2026View details →
Costco Markham
1 Yorktech Dr, Markham, Ontario L6G 1A6
Regular
159.9¢
Premium
183.6¢
Diesel
244.9¢
Updated Oct 28, 2026View details →
Costco E Markham
65 Kirkham Dr, Markham, Ontario L3S 0A9
Regular
159.9¢
Premium
183.6¢
Diesel
244.9¢
Updated Oct 28, 2026View details →
Costco C Mississauga
1570 Dundas Ste East, Mississauga, Ontario L4X 1L4
Regular
149.9¢
Premium
174.9¢
Diesel
0.0¢
Updated Nov 9, 2026View details →
Costco S Mississauga
3180 Laird Rd, Mississauga, Ontario L5L 6A5
Regular
166.9¢
Premium
189.9¢
Diesel
0.0¢
Updated Oct 28, 2026View details →
Costco N Mississauga
5900 Rodeo Dr, Mississauga, Ontario L5R 3S9
Regular
147.9¢
Premium
172.9¢
Diesel
0.0¢
Updated Nov 9, 2026View details →
Costco Nepean
1849 Merivale Rd, Nepean, Ontario K2G 1E3
Regular
139.9¢
Premium
164.9¢
Diesel
239.9¢
Updated Nov 9, 2026View details →
Costco Barrhaven
4315 Strandherd Dr, Nepean, Ontario K2J 6E5
Regular
139.9¢
Premium
164.9¢
Diesel
239.9¢
Updated Nov 9, 2026View details →
Costco Newmarket
107 Harry Walker Parkway S, Newmarket, Ontario L3Y 7B3
Regular
149.9¢
Premium
174.9¢
Diesel
136.3¢
Updated Nov 9, 2026View details →
Costco Niagara Falls
7500 Pin Oak Drive, Niagara Falls, Ontario L2H 3S7
Regular
145.9¢
Premium
169.9¢
Diesel
0.0¢
Updated Nov 9, 2026View details →
Costco Downsview
100 Billy Bishop Way, North York, Ontario M3K 2C8
Regular
166.9¢
Premium
189.9¢
Diesel
238.9¢
Updated Oct 29, 2026View details →
Costco Orillia
625 University Ave, Orillia, Ontario L3V 0Y7
Regular
153.9¢
Premium
178.9¢
Diesel
212.9¢
Updated Nov 9, 2026View details →
Costco N Oshawa
100 Windfields Farm Dr E, Oshawa, Ontario L1L 0R8
Regular
143.9¢
Premium
168.9¢
Diesel
236.9¢
Updated Nov 9, 2026View details →
Costco Oshawa
130 Ritson Rd North, Oshawa, Ontario L1G 0A6
Regular
145.9¢
Premium
169.9¢
Diesel
236.9¢
Updated Nov 9, 2026View details →
Costco Peterborough
485 The Parkway, Peterborough, Ontario K9J 0B3
Regular
142.9¢
Premium
167.9¢
Diesel
219.9¢
Updated Nov 9, 2026View details →
Costco Richmond Hill
35 John Birchall Rd, Richmond Hill, Ontario L4S 0B2
Regular
159.9¢
Premium
183.6¢
Diesel
244.9¢
Updated Oct 28, 2026View details →
Costco Scarborough ON
1411 Warden Ave, Scarborough, Ontario M1R 2S3
Regular
149.9¢
Premium
174.9¢
Diesel
139.9¢
Updated Nov 9, 2026View details →
Costco Scarborough
50 Thermos Rd, Scarborough, Ontario M1L 0E6
Regular
N/A
Premium
N/A
Diesel
N/A
Updated Oct 28, 2026View details →
Costco St. Catharines
3 North Service Rd, St. Catharines, Ontario L2N 7R1
Regular
N/A
Premium
N/A
Diesel
N/A
Updated Oct 28, 2026View details →
Costco Stoney Creek
1330 South Service Rd, Stoney Creek, Ontario L8E 5C5
Regular
147.9¢
Premium
169.9¢
Diesel
136.9¢
Updated Nov 9, 2026View details →
Costco Sudbury
1465 Kingsway, Sudbury, Ontario P3B 0A5
Regular
147.9¢
Premium
172.9¢
Diesel
225.9¢
Updated Nov 9, 2026View details →
Costco Thorncliffe Park
42 Overlea Blvd, Toronto, Ontario M4H 1B6
Regular
159.9¢
Premium
183.6¢
Diesel
244.9¢
Updated Oct 28, 2026View details →
Costco Wasaga Beach (warehouse opening Nov 21, 2026)
345 Lyons Court, Wasaga Beach, Ontario L9Z 1V1
Regular
166.9¢
Premium
187.9¢
Diesel
N/A
Updated Nov 9, 2026View details →
Costco Waterloo
930 Erb St W, Waterloo, Ontario N2J 3Z4
Regular
147.9¢
Premium
172.9¢
Diesel
135.9¢
Updated Nov 9, 2026View details →
Costco Windsor
4411 Walker Rd, Windsor, Ontario N8W 3T6
Regular
136.9¢
Premium
161.9¢
Diesel
223.9¢
Updated Nov 9, 2026View details →
Costco E Windsor
6670 Catherine St, Windsor, Ontario N8T 1E6
Regular
136.9¢
Premium
161.9¢
Diesel
N/A
Updated Nov 9, 2026View details →
Costco NW Vaughan
55 New Huntington Rd, Woodbridge, Ontario L4H 0S8
Regular
149.9¢
Premium
174.9¢
Diesel
238.9¢
Updated Nov 9, 2026View details →
Costco Vaughan
71 Colossus Dr, Woodbridge, Ontario L4L 9J8
Regular
149.9¢
Premium
174.9¢
Diesel
238.9¢
Updated Nov 9, 2026View details →