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Perth

$1,028+ Cheap flights from Missouri to Perth (PER)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PER
feb. 20 — feb. 271
vie. 2/20
vie. 2/27
1 adult, Economy
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Cheap flight deals from Missouri to Perth

Cheapest flights from Missouri to Perth
Explore the most affordable flight options available from Missouri to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 21, 2026.

This Gurufare deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/2510:33 am
STL
-
PER
2 stops31h 22m
Cathay Pacific
mar. 4/1412:10 am
PER
-
STL
2 stops35h 54m
Cathay Pacific
Deal found 1/18$1,457
This KAYAK deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/249:21 am
STL
-
PER
2 stops32h 34m
Cathay Pacific
mar. 4/1412:10 am
PER
-
STL
2 stops35h 04m
Cathay Pacific
Deal found 1/18$1,459
This KAYAK deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/236:50 pm
STL
-
PER
2 stops39h 05m
Cathay Pacific
mié. 4/1512:10 am
PER
-
STL
2 stops31h 17m
Cathay Pacific
Deal found 1/18$1,533
This Cathay Pacific deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/2310:33 am
STL
-
PER
2 stops31h 22m
Cathay Pacific
dom. 4/1212:10 am
PER
-
STL
2 stops35h 54m
Cathay Pacific
Deal found 1/18$1,540
This Ovago deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/246:38 am
STL
-
PER
2 stops35h 17m
Cathay Pacific
jue. 4/1612:10 am
PER
-
STL
2 stops35h 54m
Cathay Pacific
Deal found 1/18$1,558
This Gurufare deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/96:38 am
STL
-
PER
2 stops35h 17m
Cathay Pacific
vie. 4/1712:10 am
PER
-
STL
2 stops35h 54m
Cathay Pacific
Deal found 1/18$1,582
This KAYAK deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/236:50 pm
STL
-
PER
2 stops39h 05m
Cathay Pacific
jue. 4/1612:10 am
PER
-
STL
2 stops31h 17m
Cathay Pacific
Deal found 1/18$1,583
This Cathay Pacific deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/226:38 am
STL
-
PER
2 stops51h 17m
Cathay Pacific
mié. 4/159:15 am
PER
-
STL
2 stops46h 12m
Cathay Pacific
Deal found 1/18$1,590
This Qatar Airways deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/267:00 am
STL
-
PER
2 stops39h 55m
Qatar Airways
mié. 4/153:40 pm
PER
-
STL
2 stops45h 19m
Qatar Airways
Deal found 1/18$1,593
This Cathay Pacific deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/226:38 am
STL
-
PER
2 stops51h 17m
Cathay Pacific
jue. 4/1612:10 am
PER
-
STL
2 stops31h 17m
Cathay Pacific
Deal found 1/18$1,640
This Cathay Pacific deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/236:50 pm
STL
-
PER
2 stops47h 05m
Cathay Pacific
vie. 4/1712:10 am
PER
-
STL
2 stops31h 17m
Cathay Pacific
Deal found 1/18$1,665
This Qatar Airways deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/267:00 am
STL
-
PER
2 stops39h 55m
Qatar Airways
lun. 4/133:40 pm
PER
-
STL
2 stops45h 19m
Qatar Airways
Deal found 1/18$1,667

Find flight deals from Missouri to Perth

Keep the following information in mind while searching for Missouri to Perth flight deals. Data was last updated enero 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$1,768
(Cathay Pacific)

One-way from

$1,028
(FlightHub)
Provider with most accurate pricing for Lambert-St Louis-Perth flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Perth flights.
Search Deals
From Missouri to Perth
Search Deals
One-way flight from Missouri to Perth
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Perth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 21, 2026.
Use the filters below to find and compare flights from Missouri to Perth that are best for you.

Fly from

Missouri

Fly to

Perth

Route

Depart

Return

Price

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

mié. 3/25

10:33 am-6:55 am

2 stops31h 22m

Perth

mar. 4/14

12:10 am-11:04 pm

2 stops35h 54m

$1,457

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

lun. 3/23

6:50 pm-10:55 pm

2 stops39h 05m

Perth

mié. 4/15

12:10 am-6:27 pm

2 stops31h 17m

$1,533

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

mié. 3/25

10:33 am-6:55 am

2 stops31h 22m

Perth

dom. 4/12

12:10 am-11:04 pm

2 stops35h 54m

$1,540

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

lun. 3/23

10:33 am-6:55 am

2 stops31h 22m

Perth

dom. 4/12

12:10 am-11:04 pm

2 stops35h 54m

$1,540

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

lun. 3/23

6:50 pm-10:55 pm

2 stops39h 05m

Perth

jue. 4/16

12:10 am-6:27 pm

2 stops31h 17m

$1,583

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

dom. 3/22

6:38 am-10:55 pm

2 stops51h 17m

Perth

mié. 4/15

9:15 am-6:27 pm

2 stops46h 12m

$1,590

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

dom. 3/22

6:38 am-10:55 pm

2 stops51h 17m

Perth

lun. 4/13

12:10 am-11:04 pm

2 stops35h 54m

$1,590

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

dom. 3/22

6:38 am-10:55 pm

2 stops51h 17m

Perth

jue. 4/16

12:10 am-6:27 pm

2 stops31h 17m

$1,640

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

lun. 3/23

6:50 pm-6:55 am

2 stops47h 05m

Perth

vie. 4/17

12:10 am-6:27 pm

2 stops31h 17m

$1,665

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

jue. 3/26

7:00 am-11:55 am

2 stops39h 55m

Perth

mar. 4/14

3:40 pm-11:59 pm

2 stops45h 19m

$1,667

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 17 results
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Best time to book a flight from Missouri to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Missouri with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Missouri to Perth
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Perth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Perth from Missouri?

    For a flight from Missouri to Perth, you will be flying into Perth. Perth (PER) is just 6.3 mi from the center of the city.

  • How long is the flight from Missouri to Perth?

    For as low as $1,457, Cathay Pacific can have you in Perth from Missouri in 31h 22m. The distance between Missouri and Perth is about 10878 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Missouri to Perth that include hotel bookings?

    Yes. In addition to deals on Missouri to Perth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Perth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Perth.

  • Can I find deals for business class flights from Missouri to Perth?

    Yes. Cheapflights offers flight deals from Missouri to Perth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Rottnest Island
Scarborough

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