Suburb fuel prices
Cheap Unleaded 91 in Williamstown Western Australia 6430
Whether Williamstown is running cheap or dear for Unleaded 91 right now — from 154.5 c/L, averaging 170.5 c/L across 12 tracked stations in Williamstown.
Prices as of 5 hr ago AEST · sourced from FuelWatch
FILL UP
Unleaded 91 in Williamstown is cheaper than the Western Australia average
Williamstown sits 3.3c below the Western Australia average. Williamstown is 1.5c/L over its 30-day average — prices usually dip later in the cycle.
How it compares
- Western Australia state avg173.8c/L-3.3c/L
- National avg167c/L+3.5c/L
- Wholesale (TGP)148.3c/L+22.2c/L
At a glance
Williamstown fuel prices at a glance
- Cheapest Unleaded 91
- 154.5 c/L
- Suburb average
- 170.5 c/L
- Price range
- 31.4c spread
- Stations tracked
- 12
- Nearby alternatives
- 12
- Brands
- 7
- Postcode
- 6430
- Last updated
- 3 July 2026, 6:00 am AEST
Nearby stations
Cheapest Unleaded 91 stations around Williamstown
No stations found directly in Williamstown. Showing current Unleaded 91 prices in surrounding areas.
Showing 6 of 12 stations.
FuelRadar
Loading live map
FuelWatch WA
Today and tomorrow fuel prices in Williamstown
Official WA next-day prices are published from 2:30pm and apply from 6am tomorrow. Use the tabs to compare today against the locked tomorrow price.
Liberty Kalgoorlie
69-71 Wilson St
U91
154.5 c/L
154.5 c/L
No changeEagle West Kalgoorlie Truckstop
2 Brinsden Rd
U91
156.9 c/L
156.9 c/L
No changeFuel & Fly Kalgoorlie
104 Brookman St
U91
156.9 c/L
156.9 c/L
No changeBP Golden Gate
438 Hannan St
U91
169.9 c/L
169.9 c/L
No changeAmpol Foodary Kalgoorlie
581 Hannan St
U91
171.9 c/L
171.9 c/L
No changeAmpol Foodary Kalgoorlie South
146 Boulder Rd
U91
171.9 c/L
171.9 c/L
No changeBP Kalgoorlie-Boulder Truckstop
248 Celebration Rd
U91
173.9 c/L
173.9 c/L
No changeCaltex Kalgoorlie
77 Egan St
U91
173.9 c/L
173.9 c/L
No change
Source: FuelWatch WA official next-day prices. Tomorrow prices apply from 6:00am in Western Australia.
Frequently asked
Williamstown fuel questions
The cheapest Unleaded 91 in Williamstown is currently at Liberty Kalgoorlie for 154.5 c/L.
Prices are trending higher
Latest average is 4.6c above the start of the fortnight.
30-day spread · Unleaded 91
Williamstown Unleaded 91 cycle
Williamstown is currently 1.5c/L above its 30-day average — prices may dip in the next cycle.
30-day low
154.5c/L
Lowest point in the local spread
30-day average
165.8c/L
30-day high
181.9c/L
Today's average
167.3c/L
Cheapest Unleaded 91 right now
- 1Liberty KalgoorlieLiberty · 1.4 km away154.5 c/L
- 2Eagle West Kalgoorlie TruckstopAGL · 6.4 km away156.9 c/L
- 3Fuel & Fly KalgoorlieAGL · 1.7 km away156.9 c/L
- 4BP Golden GateBP · 2.1 km away169.9 c/L
- 5Ampol Foodary KalgoorlieAmpol · 3.9 km away171.9 c/L
Source: Reported Unleaded 91 pump prices across Williamstown.
7-day outlook
Williamstown 7-day Unleaded 91 outlook
Williamstown prices follow the Perth cycle, so this outlook takes the Perth Unleaded 91 forecast and adjusts it to Williamstown's own price level using 90 days of local history. You can see the Perth benchmark alongside the local estimate below.
1 day until the cycle peak — fill up before then.
Williamstown today (est.)
168.6c/L
Perth 166.7c/L · +1.9c/L local
Predicted in 7 days
166.5c/L
7-day range
161.9 – 173.8c/L
All fuel types
Fuel prices in Williamstown by type
Low, average and high for each fuel type from the 12 stations tracked here.
| Fuel | Low | Avg | High | Stations | Cheapest at |
|---|---|---|---|---|---|
| U91 | 154.5c | 170.5c | 185.9c | 12 | Liberty Kalgoorlie |
| PDSL | 193.9c | 194.9c | 195.9c | 4 | Ampol Foodary Kalgoorlie South |
| P95 | 188.9c | 191.0c | 195.9c | 5 | Ampol Foodary Kalgoorlie South |
| P98 | 171.9c | 192.4c | 206.9c | 7 | Fuel & Fly Kalgoorlie |
| DSL | 179.5c | 189.3c | 201.9c | 6 | Liberty Kalgoorlie |
Nearby suburbs
Suburbs near Williamstown
How Williamstown compares to neighbouring areas — cheapest first, delta vs the Williamstown average.
- BiBinduliCheapest
168.6c
-1.9vs Williamstown - BrBroadwood
168.6c
-1.9vs Williamstown - HaHannans
168.6c
-1.9vs Williamstown - KaKalgoorlie
168.6c
-1.9vs Williamstown - KaKarlkurla
168.6c
-1.9vs Williamstown - LaLamington
168.6c
-1.9vs Williamstown - MuMullingar
168.6c
-1.9vs Williamstown - PiPiccadilly
168.6c
-1.9vs Williamstown - SoSomerville
168.6c
-1.9vs Williamstown - SoSouth Kalgoorlie
168.6c
-1.9vs Williamstown - WiWilliamstownYou
170.5c
0.0vs Williamstown
Local brands
Fuel brands in Williamstown
Open brand pages for broader price context, loyalty discounts and nearby station coverage before choosing a servo.
Ampol
3 stations tracked around Williamstown
Caltex
2 stations tracked around Williamstown
AGL
2 stations tracked around Williamstown
BP
2 stations tracked around Williamstown
Liberty
1 station tracked around Williamstown
Reddy
1 station tracked around Williamstown
Explore the area
Browse fuel prices around Williamstown
Step up to the city and state, compare neighbouring suburbs, or open the live Unleaded 91 map.
Williamstown snapshot
Live Unleaded 91 prices in Williamstown
Today's prices
In Williamstown, Western Australia, the cheapest U91 today is 154.5c with an area average of 170.5c across 12 listed stations. Other fuels tracked in this suburb include PDSL from 193.9c, P95 from 188.9c and P98 from 171.9c.
Tomorrow's FuelWatch prices
FuelWatch WA has published tomorrow's prices for 12 station-grade listings around Williamstown. Liberty Kalgoorlie is the cheapest tomorrow at 154.5c for U91 (0.0c vs today).
How it compares
Williamstown is currently 3.3c below the Western Australia state average of 173.8c. Open the live fuel map to see how individual stations spread within Williamstown.
Compare neighbouring suburbs
Cheaper fuel may be nearby — compare Binduli (from 154.5c), Broadwood (from 154.5c), Hannans (from 154.5c), Kalgoorlie (from 154.5c) or Karlkurla (from 154.5c) before planning a fill-up.
FuelRadar app
Keep Williamstown fuel prices in your pocket
Track Williamstown prices, watch the local cycle and get an alert before the next jump — from your phone.
