Cheap flights from Australia to St. Louis from $810
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Australia to St. Louis departing on 10/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Australia to St. Louis
Recent round-trip flight deals from Australia to St. Louis
Recent one-way flight deals from Australia to St. Louis
United Airlines flights from Australia to St. Louis
Our best United Airlines deals on Australia to St. Louis flight tickets
Air Canada flights from Australia to St. Louis
Our best Air Canada deals on Australia to St. Louis flight tickets
See travel insights to St. Louis from
How to get the cheapest flight ticket from Australia to St. Louis
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to St. Louis?
In general, March is the cheapest month to fly from Australia to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,196. The month of November is another great option to travel to St. Louis, with average flight prices from Australia averaging around $1,200.
What is the cheapest day to depart on your flight to St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Friday when prices can be found for as low as $1,050. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,861. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
Cheap Australia to St. Louis flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Australia to St. Louis
When did momondo last update prices for flights from Australia to Lambert-St Louis Airport?
Prices for flights from Australia to Lambert-St Louis Airport are updated daily.
How many operators does momondo search for flights from Australia to Lambert-St Louis Airport?
As of April 2025, there are 2 operators available to choose from for flights from Australia to Lambert-St Louis Airport.
How old do you have to be to fly from Australia to Lambert-St Louis Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Australia to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Australia to St. Louis
Compare and see reviews for airlines that fly from Australia to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $1,101 | Free Cancellation | Rating 7.5 829 reviews | |||
| PriceFrom $1,300 | Free Cancellation | Rating 7.4 8,696 reviews |
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Australia to St. Louis?
It is quick and easy to find Australia to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.
Can I find flights from Australia to St. Louis with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to St. Louis from Australia with this policy.
How can momondo help me find flights from Australia to St. Louis?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Australia.
I’m not ready to book a flight from Australia to St. Louis right now. Can momondo alert me if prices change?
Price alerts on flights to St. Louis from Australia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.