STL - PER

$1,435 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 2/28. 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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Everything you should know

Cheapest round-trip
$1,435
Multiple Airlines
Sat 2/28Tue 3/3
STL - PER • 2 stops
Cheapest one-way
Multiple Airlines
Wed 12/3
STL - PER • multi-stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Perth!
Flight Deals
Useful Info
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

Sat, Feb 28 - Tue, Mar 3
Multiple Airlines Logo
10:04 am - 10:55 pmSTL-PER
46h 51m2 stops
Multiple Airlines Logo
12:25 am - 11:48 pmPER-STL
37h 23m2 stops
$1,435Multiple Airlines
Find Deal
Sat, Feb 28 - Tue, Mar 3
Cathay Pacific Logo
10:04 am - 6:55 amSTL-PER
30h 51m2 stops
Cathay Pacific Logo
12:25 am - 11:48 pmPER-STL
37h 23m2 stops
$1,474Cathay Pacific
Find Deal
Sat, Feb 28 - Wed, Mar 4
Qantas Airways Logo
3:31 pm - 5:20 pmSTL-PER
35h 49m2 stops
Qantas Airways Logo
5:00 pm - 5:05 pmPER-STL
38h 05m2 stops
$1,794Qantas Airways
Find Deal
Sat, Feb 28 - Wed, Mar 4
Multiple Airlines Logo
4:05 pm - 3:30 pmSTL-PER
57h 25m3 stops
Multiple Airlines Logo
5:45 pm - 5:05 pmPER-STL
37h 20m2 stops
$2,155Multiple Airlines
Find Deal
Mon, Mar 2 - Sat, Mar 7
Multiple Airlines Logo
4:05 pm - 8:20 pmSTL-PER
62h 15m3 stops
Multiple Airlines Logo
4:00 pm - 4:13 pmPER-STL
38h 13m2 stops
$2,462Multiple Airlines
Find Deal
Sat, Feb 28 - Wed, Mar 4
Multiple Airlines Logo
9:55 am - 4:50 pmSTL-PER
40h 55m3 stops
Multiple Airlines Logo
6:50 pm - 10:59 pmPER-STL
42h 09m3 stops
$2,632Multiple Airlines
Find Deal
Mon, Mar 2 - Sat, Mar 7
Air Canada Logo
4:05 pm - 2:30 pmSTL-PER
56h 25m3 stops
Air Canada Logo
3:15 pm - 2:29 pmPER-STL
61h 14m3 stops
$2,762Air Canada
Find Deal
Sat, Feb 28 - Wed, Mar 4
Air Canada Logo
4:05 pm - 2:30 pmSTL-PER
56h 25m3 stops
Air Canada Logo
10:55 pm - 3:29 pmPER-STL
54h 34m3 stops
$3,238Air Canada
Find Deal
Sat, Feb 28 - Wed, Mar 4
Air Canada Logo
4:05 pm - 2:30 pmSTL-PER
56h 25m3 stops
Air Canada Logo
10:55 pm - 3:29 pmPER-STL
54h 34m3 stops
$3,259Air Canada
Find Deal
Sat, Feb 28 - Wed, Mar 4
Air Canada Logo
4:05 pm - 2:30 pmSTL-PER
56h 25m3 stops
Air Canada Logo
10:55 pm - 3:29 pmPER-STL
54h 34m3 stops
$3,260Air Canada
Find Deal
Useful Info

Good to know

Cheapest flight$1,435
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 $1,435 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)