Cheap flights from St Louis (STL) to Sydney (SYD)

Flight FAQs

From St Louis to Sydney

Are flight prices decreasing from St Louis to Sydney due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Sydney for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Lambert-St Louis to Sydney Kingsford Smith have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Lambert-St Louis to Sydney Kingsford Smith that may be offering flexible cancellation policies are United Airlines, Qantas Airways, and American Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from St Louis to Sydney for under $1,700 on Cheapflights?

Yes, there are multiple flights from St Louis to Sydney for under $1,700. The cheapest flight booked recently is on Multiple Airlines for just $1,642, but on average you can expect to pay $2,164.

Are there nonstop flights from St Louis to Sydney for under $1,600 on Cheapflights?

There are no nonstop flights from St Louis to Sydney, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from St Louis to Sydney for under $4,400?

There are currently 3+ open flights from St Louis to Sydney within the next 7 days for less than $4,400.

Does it rain more in St Louis or Sydney?

The rainfall in St Louis is generally more than the rainfall in Sydney. This will continue over the next 14 days.

Is St Louis weather warmer or cooler than Sydney?

Expect the weather to be around 90 °F on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Sydney is generally colder than in St Louis.

How long is the flight from St Louis to Sydney?

Departing from St Louis to Sydney will take you 20h 48m. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from St Louis to Sydney round-trip?

Flying on Fiji Airways is currently your cheapest option to Sydney, with prices starting at $1,663. Additional round-trip tickets that might be worth considering are offered by British Airways and United Airlines, with the lowest prices starting at $3,091 and $4,982, respectively.