Cheap flights from St. Louis to Sydney from £489
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How much do flights to Sydney cost?
Cheapest one-way trip | £489 |
|---|---|
Cheapest round-trip | £1,080 |
Average round-trip | £1,444 |
Includes rare itinerary | |
Most popular airline | Frontier Airlines |
Getting from Sydney airport to the city center
Fastest option: Airport Link train. Best value: buses and shuttle services.
Transport Option | Typical time | Typical cost | Frequency | Best for |
|---|---|---|---|---|
13-15 min | $18 – $21; includes station access fee (~USD 11–14) | every 10 min (traffic dependent) | fastest to CBD | |
35-50 min | $4 – $5; Opal card fare (~USD 2.50–3.30) | every 15–20 min (traffic dependent) | budget travelers | |
20-45 min | $45 – $65; metered; varies by traffic (~USD 29–42) | on-demand 24/7 (traffic dependent) | door-to-door convenience | |
20-45 min | $35 – $60; surge pricing may apply (~USD 23–39) | on-demand 24/7 (traffic dependent) | app-based convenience | |
20-45 min | $80 – $150; pre-booked; fixed rate (~USD 52–97) | pre-booked (traffic dependent) | groups or business travelers | |
20-45 min | $50 – $120; per day; plus parking (~USD 32–78) | on-demand (traffic dependent) | flexibility and onward travel |
Notes:
- Prices in AUD; table created in 2025 and subject to change.
- Airport Link train includes a station access fee on top of the standard Opal fare.
- Opal cards can be used on trains, buses, ferries, and light rail throughout Sydney.
- Taxi and ride-hailing journey times vary significantly during peak hours.
- We recommend checking official transport websites for your travel planning.
Updated: December 2025
Key info about flying to Sydney
Check-in for a flight from St. Louis to Sydney
| Name | Carrier code | IATA Code | Passport needed during booking |
|---|---|---|---|
| Frontier Airlines | FFT | F9 | No |
| Alaska Airlines | ASA | AS | No |
| Jetstar Airways | JST | JQ | No |
| Qantas | QFA | QF | No |
| United Airlines | UAL | UA | No |
Online check-in is not available for these airlines.
Weather in Sydney
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | 26°C | 20°C |
| February | 25°C | 20°C |
| March | 24°C | 19°C |
| April | 22°C | 16°C |
| May | 19°C | 13°C |
| June | 17°C | 11°C |
| July | 16°C | 10°C |
| August | 17°C | 10°C |
| September | 20°C | 12°C |
| October | 22°C | 14°C |
| November | 23°C | 16°C |
| December | 24°C | 18°C |
14 day forecast
Frequently asked questions
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