Cheap flights from St. Louis to Perth from £596
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How much do flights to Perth cost?
Cheapest one-way trip | £596 |
|---|---|
Cheapest round-trip | £1,186 |
Average round-trip | £1,412 |
Includes rare itinerary | |
Most popular airline | Alaska Airlines |
Getting from Perth airport to the city center
Fastest options: taxi or ride-hailing services. Best value: Transperth bus route 380.
Transport Option | Typical Time | Typical Cost | Frequency | Best For |
|---|---|---|---|---|
35-50 min | $5; standard Transperth fare (approx. USD $3.20) | every 15–30 min (traffic dependent) | budget travelers | |
20-35 min | $40 – $60; metered fare (approx. USD $26–39) | on-demand 24/7 (traffic dependent) | door-to-door convenience | |
20-35 min | $30 – $55; varies with demand (approx. USD $19–36) | on-demand 24/7 (traffic dependent) | app-based booking | |
20-35 min | $50 – $90; pre-booked (approx. USD $32–58) | pre-booked (traffic dependent) | groups or guaranteed pickup | |
20-35 min | $50 – $120; per day (approx. USD $32–78) | on-demand (traffic dependent) | flexibility and onward travel |
Notes:
- Prices in AUD; table created in 2025 and subject to change.
- The Transperth 380 bus connects both Terminal 1/2 and Terminal 3/4 to Elizabeth Quay Bus Station in the CBD.
- SmartRider cards or contactless payment accepted on Transperth services.
- Taxi and ride-hailing pickup zones are located outside each terminal.
- Road traffic can significantly affect journey times, especially during peak hours.
- We recommend checking official transport websites for your travel planning.
Updated: December 2025
Key info about flying to Perth
Check-in for a flight from St. Louis to Perth
| Name | Carrier code | IATA Code | Passport needed during booking |
|---|---|---|---|
| Alaska Airlines | ASA | AS | No |
| Qantas | QFA | QF | No |
| Frontier Airlines | FFT | F9 | No |
| Korean Air | KAL | KE | Yes |
| Cathay Pacific | CPA | CX | No |
Online check-in is not available for these airlines.
Weather in Perth
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | 31°C | 19°C |
| February | 31°C | 19°C |
| March | 29°C | 18°C |
| April | 25°C | 15°C |
| May | 21°C | 13°C |
| June | 18°C | 11°C |
| July | 17°C | 10°C |
| August | 17°C | 10°C |
| September | 19°C | 10°C |
| October | 22°C | 12°C |
| November | 26°C | 15°C |
| December | 30°C | 17°C |
14 day forecast
Frequently asked questions
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