Cheap flights from Australia to St. Louis from $724
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 6/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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, November 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 $1,065. The month of March is another great option to travel to St. Louis, with average flight prices from Australia averaging around $1,196.
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.
What is the cheapest time of day to depart on your flight to St. Louis?
Flying to St. Louis from Australia in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,352 when looking at flights departing in the morning. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $1,824 per ticket.
Can stopping save me money on Australia to St. Louis flights?
You could potentially save up to 59% on your flight if you consider stops on a Australia to St. Louis flight.
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 June 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 7.5 857 reviews | |||
| PriceFrom $1,300 | Free Cancellation | Rating 7.4 8,801 reviews |
Traveling to a place near St. Louis?
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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.