Cheap flights from St. Louis to Sydney from £579
Trusted by millions
Kiwi.com Guarantee for stress-free travel
One search, all the best deals
Explore flight deals to Sydney
Not happy with the results? Try some of our useful filters
Search by stops
- Nonstop
- Up to 1 stop
- Up to 2 stops
Search by carrier
Search by price
Search by departure date
Not happy with the results? Try some of our useful filters
How much do flights to Sydney cost?
Cheapest one-way trip | £579 |
|---|---|
Cheapest round-trip | £1,369 |
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 |
| Qantas | QFA | QF | No |
| Alaska Airlines | ASA | AS | No |
| United Airlines | UAL | UA | No |
| Air New Zealand | ANZ | NZ | 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
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.
Explore alternative trips
Flights from St. Louis
Flights to Sydney
Popular routes
The nearest countries with flights to Sydney
Here is a list of countries people are flying from
Other destination countries from St. Louis
Here is a list of countries people are flying to
Download our app