Costco Perth fuel prices today & opening hours
Costco fuel in Perth averages 214.7c a litre for Unleaded 91 today (31 October 2026), the same price at both stations.
No Costco warehouse is called Perth. Its Costco fuel stations are Perth Airport, east of the city beside the airport, and Casuarina, in the south near Kwinana.
- Unleaded 91 avg
- 214.7c
- Premium 98 avg
- 236.7c
- Diesel avg
- 250.7c
- Stations reporting
- 2
Updated 31 October 2026 · Avg of 2 stations · cents per litre · ▲▼ change since the previous day
Costco fuel prices in Perth today
Cheapest first, cents per litre. Tap a station for its 30-day history and opening hours.
| Rank | Station | Unleaded 91 | Premium 98 | Diesel |
|---|---|---|---|---|
| 1 | Costco Casuarina (Kwinana) | 214.7c | 236.7c | 250.7c |
| 1 | Costco Perth Airport | 214.7c | 236.7c | 250.7c |
Costco fuel in Perth today
Both stations post the same Unleaded 91 price today, 214.7c.
Costco Unleaded 91 prices in Perth have eased about 3.0c over the past month, from 217.7c a month ago.
The furthest any single station moved was Casuarina, down 3.0c.
- Diesel
- sold at both stations
Average Costco fuel price in Perth
Last 30 days · cents per litreUnleaded 91: 217.7c on 2 Oct to 214.7c on 31 Oct, low 210.7c, high 228.7c. Premium 98: 241.7c on 2 Oct to 236.7c on 31 Oct, low 233.7c, high 249.7c. Diesel: 256.2c on 2 Oct to 250.7c on 31 Oct, low 248.7c, high 257.7c.
More Costco fuel guides
- Costco fuel opening hours · Every station, open now
- Costco diesel price today · Every station, cheapest first
- Which Costcos have fuel · Map of every station
- Costco fuel near me · By postcode or suburb
Costco fuel in Perth: common questions
Where is the cheapest Costco fuel in Perth today?
Nowhere in particular — both Costco fuel stations in Perth post the same Unleaded 91 price, 214.7c, as of the 31 October 2026 reading.
How many Costco fuel stations are there in Perth?
Perth has 2 Costco warehouses with a fuel station, and both of them reported a price in the last 30 days.
Does any Costco fuel station in Perth sell diesel?
Diesel is sold at both stations in Perth. Each station page lists the grades that warehouse has actually posted a price for in the last 30 days.
Are Costco fuel prices in Perth going up or down?
Down — the average Costco Unleaded 91 price in Perth has eased about 3.0c over the past month, from 217.7c to 214.7c.