Suburb fuel prices
Cheap Petrol & Diesel in Williamstown Western Australia 6430
Whether Williamstown is running cheap or dear for U91 right now — from 154.5 c/L, averaging 179.6 c/L across 11 tracked stations in Williamstown.
Prices as of 12 hr ago AEST · sourced from FuelWatch
WAIT
U91 in Williamstown is dearer than the Western Australia average
Williamstown sits 7.5c above the Western Australia average. Williamstown is 3.1c/L under its 30-day average right now — near the bottom of the cycle.
How it compares
- Western Australia state avg172.1c/L+7.5c/L
- National avg164.8c/L+14.8c/L
- Wholesale (TGP)148.3c/L+31.3c/L
At a glance
Williamstown fuel prices at a glance
- Cheapest U91
- 154.5 c/L
- Suburb average
- 179.6 c/L
- Price range
- 52.4c spread
- Stations tracked
- 11
- Nearby alternatives
- 11
- Brands
- 7
- Postcode
- 6430
- Last updated
- 1 July 2026, 6:00 pm AEST
Nearby stations
Cheapest U91 stations around Williamstown
No stations found directly in Williamstown. Showing current U91 prices in surrounding areas.
Showing 6 of 11 stations.
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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 changeCaltex Piccadilly
7 Maritana St
U91
161.9 c/L
165.9 c/L
+4.0 c/LCaltex Kalgoorlie
77 Egan St
U91
163.9 c/L
165.9 c/L
+2.0 c/LAmpol Foodary Kalgoorlie
581 Hannan St
U91
163.9 c/L
167.9 c/L
+4.0 c/LAmpol Foodary Kalgoorlie South
146 Boulder Rd
U91
163.9 c/L
167.9 c/L
+4.0 c/LShell Reddy Express Boulder
35 Frank St
U91
165.9 c/L
169.9 c/L
+4.0 c/L
Source: FuelWatch WA official next-day prices. Tomorrow prices apply from 6:00am in Western Australia.
Frequently asked
Williamstown fuel questions
The cheapest U91 in Williamstown is currently at Liberty Kalgoorlie for 154.5 c/L.
Prices are easing
Latest average is 4.8c below the start of the fortnight.
30-day spread · U91
Williamstown U91 cycle
Williamstown is currently 3.1c/L below its 30-day average — a relatively good time to fill up.
30-day low
154.5c/L
Lowest point in the local spread
30-day average
166.2c/L
30-day high
184.9c/L
Today's average
163.1c/L
Cheapest U91 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
- 4Caltex PiccadillyCaltex · 2.0 km away161.9 c/L
- 5Ampol Foodary KalgoorlieAmpol · 3.9 km away163.9 c/L
Source: Reported U91 pump prices across Williamstown.
7-day outlook
Williamstown 7-day U91 outlook
Williamstown prices follow the Perth cycle, so this outlook takes the Perth U91 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.
Today until the cycle trough — usually the cheapest day.
Williamstown today (est.)
165.4c/L
Perth 163.5c/L · +1.9c/L local
Predicted in 7 days
167.9c/L
7-day range
161.9 – 174.3c/L
All fuel types
Fuel prices in Williamstown by type
Low, average and high for each fuel type from the 11 stations tracked here.
| Fuel | Low | Avg | High | Stations | Cheapest at |
|---|---|---|---|---|---|
| U91 | 154.5c | 165.2c | 183.9c | 11 | Liberty Kalgoorlie |
| PDSL | 185.9c | 186.2c | 186.9c | 4 | Ampol Foodary Kalgoorlie South |
| P95 | 177.9c | 180.6c | 183.4c | 5 | Caltex Piccadilly |
| P98 | 171.9c | 190.1c | 206.9c | 8 | Fuel & Fly Kalgoorlie |
| DSL | 178.9c | 189.5c | 202.9c | 7 | Astron Boulder Kalgoorlie |
Nearby suburbs
Suburbs near Williamstown
How Williamstown compares to neighbouring areas — cheapest first, delta vs the Williamstown average.
- BiBinduliCheapest
163.1c
-16.5vs Williamstown - BrBroadwood
163.1c
-16.5vs Williamstown - HaHannans
163.1c
-16.5vs Williamstown - KaKalgoorlie
163.1c
-16.5vs Williamstown - KaKarlkurla
163.1c
-16.5vs Williamstown - LaLamington
163.1c
-16.5vs Williamstown - MuMullingar
163.1c
-16.5vs Williamstown - PiPiccadilly
163.1c
-16.5vs Williamstown - SoSomerville
163.1c
-16.5vs Williamstown - SoSouth Kalgoorlie
163.1c
-16.5vs Williamstown - WiWilliamstownYou
179.6c
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.
Caltex
2 stations tracked around Williamstown
Ampol
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 U91 map.
Williamstown snapshot
Live U91 prices in Williamstown
Today's prices
In Williamstown, Western Australia, the cheapest U91 today is 154.5c with an area average of 165.2c across 11 listed stations. Other fuels tracked in this suburb include PDSL from 185.9c, P95 from 177.9c and P98 from 171.9c.
Tomorrow's FuelWatch prices
FuelWatch WA has published tomorrow's prices for 24 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 7.5c above the Western Australia state average of 172.1c. 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.
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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.
