Cheap flights from St. Louis, MO to Perth, Australia
Flights starting at $802. Choose between Alaska Airlines, Qatar Airways, or Frontier Airlines to find the best price.
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Tips to know when travelling to Perth
Cheapest one-way trip | $822 |
---|---|
Cheapest round-trip | $1,521 |
Average round-trip | $1,788 |
Includes rare itinerary | |
Most popular airline | Alaska Airlines |
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The most popular airlines for this route are Alaska Airlines, Qatar Airways, Frontier Airlines, Qantas, and Korean Air. St. Louis and Perth have 130 direct flights per week.
Check-in for a flight from St. Louis to Perth
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Qatar Airways | QTR | QR | Yes | 0 0 |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Qantas | QFA | QF | Yes | 0 0 |
Korean Air | KAL | KE | Yes | 0 0 |
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 | 12°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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