$773 Cheap flight deals from St. Louis (STL) to Perth (PER)

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Airfares from $773 One Way, $1,535 Round Trip from St. Louis to Perth

Prices starting at $1,535 for return flights and $773 for one-way flights to Perth were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Apr 19 - Fri, Apr 23
STL
St. Louis
PER
Perth
$1,535 Roundtrip, found 2 days ago
$1,535
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Apr 19 from St. Louis to Perth, returning Fri, Apr 23, priced at $1,535 found 2 days ago
Mon, Apr 19 - Fri, Apr 23
STL
St. Louis
PER
Perth
$1,546 Roundtrip, found 2 days ago
$1,546
Roundtrip
found 2 days ago
Select Qatar Airways flight, departing Mon, Apr 19 from St. Louis to Perth, returning Fri, Apr 23, priced at $1,546 found 2 days ago
Mon, Apr 19 - Fri, Apr 23
STL
St. Louis
PER
Perth
$1,557 Roundtrip, found 2 days ago
$1,557
Roundtrip
found 2 days ago
Select Qatar Airways flight, departing Mon, Apr 19 from St. Louis to Perth, returning Fri, Apr 23, priced at $1,557 found 2 days ago
Mon, Apr 19 - Fri, Apr 23
STL
St. Louis
PER
Perth
$1,585 Roundtrip, found 2 days ago
$1,585
Roundtrip
found 2 days ago
Select Cathay Pacific flight, departing Mon, Apr 19 from St. Louis to Perth, returning Fri, Apr 23, priced at $1,585 found 2 days ago
Tue, Nov 10 - Tue, Nov 17
STL
St. Louis
PER
Perth
$1,585 Roundtrip, found 6 days ago
$1,585
Roundtrip
found 6 days ago
Select Cathay Pacific flight, departing Tue, Nov 10 from St. Louis to Perth, returning Tue, Nov 17, priced at $1,585 found 6 days ago

More About Flying To Perth from St. Louis

Route Information for Flights from St. Louis to Perth

Origin Airport IATA Code
STL
Destination Airport IATA Code
PER
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

St. Louis to Perth

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Frequently asked questions

What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won't keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.