STL - PER

$1,569 Find Cheap Flights from St. Louis to Perth

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Perth departing on 4/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Perth

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Perth, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Perth, as well as popular online travel agencies
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41.299.237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$1,569
Multiple Airlines
Tue 4/14Tue 4/21
STL - PER • 2 stops
Nonstop flights
Not available
There are currently no direct flights between St. Louis and Perth. You'll need at least 2 connections.
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We hope you love your trip to Perth!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from St. Louis to Perth (STL-PER)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Perth that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Perth

Tue, Apr 14 - Tue, Apr 21
Multiple Airlines Logo
3:50 pm - 6:35 pm
STL
-
PER
61h 45m
2 stops
Multiple Airlines Logo
3:40 pm - 11:59 pm
PER
-
STL
45h 19m
2 stops
$1,569Multiple Airlines
Mon, Mar 30 - Mon, Apr 6
Qantas Airways Logo
4:13 pm - 8:50 am
STL
-
PER
27h 37m
2 stops
Qantas Airways Logo
11:55 pm - 11:57 pm
PER
-
STL
37h 02m
2 stops
$1,602Qantas Airways
Tue, Apr 14 - Tue, Apr 21
Multiple Airlines Logo
4:05 pm - 3:45 pm
STL
-
PER
58h 40m
3 stops
Multiple Airlines Logo
11:45 pm - 11:57 pm
PER
-
STL
37h 12m
2 stops
$2,101Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
Air Canada Logo
4:05 pm - 3:45 pm
STL
-
PER
58h 40m
3 stops
Air Canada Logo
11:55 pm - 3:25 pm
PER
-
STL
52h 30m
3 stops
$2,125Air Canada
Mon, Mar 30 - Mon, Apr 6
Qantas Airways Logo
1:34 pm - 12:35 pm
STL
-
PER
34h 01m
3 stops
Qantas Airways Logo
11:55 pm - 11:57 pm
PER
-
STL
37h 02m
2 stops
$2,133Qantas Airways
Mon, Mar 30 - Mon, Apr 6
Multiple Airlines Logo
3:05 pm - 12:35 pm
STL
-
PER
32h 30m
3 stops
Multiple Airlines Logo
11:55 pm - 4:32 pm
PER
-
STL
29h 37m
3 stops
$2,685Multiple Airlines
Booking Insights

KAYAK's insights & trends for St. Louis to Perth flights

Get data-powered insights and trends into flights from St. Louis to Perth to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from St. Louis to Perth?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from St. Louis to Perth were found on Qantas Airways ($1,602) and Air Canada ($2,125).

Find deals

Good to know

Cheapest flight$1,569
Flight from St. Louis to Perth

When to book flights from St. Louis to Perth

Are your dates flexible? Find out the best times to travel from St. Louis to Perth based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Perth

  • What is the cheapest flight from St. Louis to Perth?

    In the last 3 days, the lowest price for a flight from St. Louis to Perth was $1,569 for a round-trip ticket.

  • Do I need a passport to fly between St. Louis and Perth?

    A passport is required to fly from St. Louis to Perth.

  • Which airports will I be using when flying from St. Louis to Perth?

    St. Louis and Perth are both served by 1 main airport. You will leave St. Louis from Lambert-St Louis and will be arriving at Perth.

  • Which aircraft models fly most regularly from St. Louis to Perth?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from St. Louis to Perth?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Perth.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Perth?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Perth from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Perth?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Perth with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and PER can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Perth?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Perth from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from St. Louis to Perth

Information on your arrival and departure airports

St. Louis (STL)
Perth (PER)