$788 Cheap flight deals from St. Louis (STL) to Perth (PER)

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Airfares from $788 One Way, $1,459 Round Trip from St. Louis to Perth

Prices starting at $1,459 for return flights and $788 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.

Tue, Dec 2 - Wed, Dec 10
STL
St. Louis
PER
Perth
$1,459 Roundtrip, found 3 days ago
$1,459
Roundtrip
found 3 days ago
Select Qantas Airways flight, departing Tue, Dec 2 from St. Louis to Perth, returning Wed, Dec 10, priced at $1,459 found 3 days ago
Thu, Dec 4 - Wed, Dec 10
STL
St. Louis
PER
Perth
$1,464 Roundtrip, found 3 days ago
$1,464
Roundtrip
found 3 days ago
Select Qantas Airways flight, departing Thu, Dec 4 from St. Louis to Perth, returning Wed, Dec 10, priced at $1,464 found 3 days ago
Sat, Dec 6 - Sat, Dec 13
STL
St. Louis
PER
Perth
$1,465 Roundtrip, found 3 days ago
$1,465
Roundtrip
found 3 days ago
Select Qantas Airways flight, departing Sat, Dec 6 from St. Louis to Perth, returning Sat, Dec 13, priced at $1,465 found 3 days ago
Thu, Sep 4 - Mon, Sep 8
STL
St. Louis
PER
Perth
$1,665 Roundtrip, found 1 day ago
$1,665
Roundtrip
found 1 day ago
Select Air Canada flight, departing Thu, Sep 4 from St. Louis to Perth, returning Mon, Sep 8, priced at $1,665 found 1 day ago
Thu, Sep 4 - Mon, Sep 8
STL
St. Louis
PER
Perth
$1,746 Roundtrip, found 1 day ago
$1,746
Roundtrip
found 1 day ago
Select Qatar Airways flight, departing Thu, Sep 4 from St. Louis to Perth, returning Mon, Sep 8, priced at $1,746 found 1 day 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

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.

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.