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Perth

$782+ 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
Jan 30 — Feb 61
Fri 1/30
Fri 2/6
1 adult, Economy
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Cheap flight deals from Missouri to Perth

Best flights from Missouri to Perth
Discover carefully curated flight deals from Missouri to Perth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 31, 2025.

This Cathay Pacific deal was found by Cheapflights users on 12/31. 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.
Tue 4/76:11 pmSTL - PER
2 stops48h 34mCathay Pacific
Mon 4/2012:10 amPER - STL
2 stops35h 54mCathay Pacific
Deal found 12/31$1,426
This Qantas Airways deal was found by Cheapflights users on 12/29. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/126:13 pmMCI - PER
2 stops27h 52mQantas Airways
Thu 2/1910:40 pmPER - MCI
2 stops28h 28mQantas Airways
Deal found 12/29$1,517
This United Airlines deal was found by Cheapflights users on 12/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/85:21 pmMCI - PER
3 stops32h 09mUnited Airlines
Sun 3/2211:15 pmPER - MCI
3 stops35h 44mUnited Airlines
Deal found 12/29$2,098
This Qatar Airways deal was found by Cheapflights users on 12/28. 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.
Sun 3/812:50 pmMCI - PER
2 stops40h 55mQatar Airways
Wed 3/1110:45 pmPER - MCI
2 stops60h 35mQatar Airways
Deal found 12/28$2,217
This Cathay Pacific deal was found by Cheapflights users on 12/31. 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.
Wed 4/812:11 pmSTL - PER
2 stops30h 34mCathay Pacific
Wed 4/2212:10 amPER - STL
2 stops31h 17mCathay Pacific
Deal found 12/31$1,426
This oojo deal was found by Cheapflights users on 12/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/86:13 pmMCI - PER
2 stops48h 32mQantas Airways
Sun 3/2210:45 pmPER - MCI
2 stops33h 18mQantas Airways
Deal found 12/29$1,548
This Cathay Pacific deal was found by Cheapflights users on 12/31. 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.
Wed 4/86:20 amSTL - PER
2 stops36h 25mCathay Pacific
Sun 4/1912:10 amPER - STL
2 stops31h 17mCathay Pacific
Deal found 12/31$1,426
This Cathay Pacific deal was found by Cheapflights users on 12/31. 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.
Mon 4/612:03 pmSTL - PER
2 stops30h 42mCathay Pacific
Wed 4/229:15 amPER - STL
2 stops46h 12mCathay Pacific
Deal found 12/31$1,426
This Cathay Pacific deal was found by Cheapflights users on 12/31. 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.
Tue 4/712:11 pmSTL - PER
2 stops45h 29mCathay Pacific
Sun 4/199:15 amPER - STL
2 stops46h 12mCathay Pacific
Deal found 12/31$1,426
This Cathay Pacific deal was found by Cheapflights users on 12/31. 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.
Tue 4/712:11 pmSTL - PER
2 stops45h 29mCathay Pacific
Wed 4/2212:10 amPER - STL
2 stops31h 17mCathay Pacific
Deal found 12/31$1,426
This Qantas Airways deal was found by Cheapflights users on 12/29. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/86:13 pmMCI - PER
2 stops48h 32mQantas Airways
Wed 3/1110:55 pmPER - MCI
2 stops31h 22mQantas Airways
Deal found 12/29$1,958
This Cathay Pacific deal was found by Cheapflights users on 12/31. 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.
Wed 4/812:11 pmSTL - PER
2 stops30h 34mCathay Pacific
Wed 4/229:15 amPER - STL
2 stops46h 12mCathay Pacific
Deal found 12/31$1,426
This United Airlines deal was found by Cheapflights users on 12/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/127:18 pmMCI - PER
2 stops29h 27mUnited Airlines
Thu 2/1911:45 pmPER - MCI
3 stops36h 14mUnited Airlines
Deal found 12/29$2,341
This Cathay Pacific deal was found by Cheapflights users on 12/31. 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.
Wed 4/86:20 amSTL - PER
2 stops36h 25mCathay Pacific
Mon 4/2012:10 amPER - STL
2 stops35h 54mCathay Pacific
Deal found 12/31$1,426
This Cathay Pacific deal was found by Cheapflights users on 12/31. 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.
Mon 4/612:03 pmSTL - PER
2 stops45h 37mCathay Pacific
Sun 4/199:15 amPER - STL
2 stops46h 12mCathay Pacific
Deal found 12/31$1,426
This United Airlines deal was found by Cheapflights users on 12/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/85:21 pmMCI - PER
3 stops32h 09mUnited Airlines
Wed 3/1111:45 pmPER - MCI
3 stops36h 30mUnited Airlines
Deal found 12/28$2,799
This Cathay Pacific deal was found by Cheapflights users on 12/31. 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.
Sun 4/512:03 pmSTL - PER
2 stops45h 37mCathay Pacific
Sun 4/199:15 amPER - STL
2 stops46h 12mCathay Pacific
Deal found 12/31$1,476
This Cathay Pacific deal was found by Cheapflights users on 12/31. 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.
Fri 4/36:50 pmSTL - PER
2 stops47h 55mCathay Pacific
Wed 4/229:15 amPER - STL
2 stops50h 49mCathay Pacific
Deal found 12/31$1,476
This Cathay Pacific deal was found by Cheapflights users on 12/31. 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.
Sat 4/410:33 amSTL - PER
2 stops32h 12mCathay Pacific
Mon 4/2012:10 amPER - STL
2 stops35h 54mCathay Pacific
Deal found 12/31$1,476

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 December 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$1,354
(oojo)

One-way from

$782
(Qantas Airways)
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 December 31, 2025.
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

Tue 4/7

6:11 pm-7:45 am

2 stops48h 34m

Perth

Mon 4/20

12:10 am-11:04 pm

2 stops35h 54m

$1,426

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Wed 4/8

12:11 pm-7:45 am

2 stops30h 34m

Perth

Wed 4/22

12:10 am-6:27 pm

2 stops31h 17m

$1,426

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Wed 4/8

6:20 am-7:45 am

2 stops36h 25m

Perth

Sun 4/19

12:10 am-6:27 pm

2 stops31h 17m

$1,426

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 4/6

12:03 pm-7:45 am

2 stops30h 42m

Perth

Wed 4/22

9:15 am-6:27 pm

2 stops46h 12m

$1,426

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Tue 4/7

12:11 pm-10:40 pm

2 stops45h 29m

Perth

Sun 4/19

9:15 am-6:27 pm

2 stops46h 12m

$1,426

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Tue 4/7

12:11 pm-10:40 pm

2 stops45h 29m

Perth

Wed 4/22

12:10 am-6:27 pm

2 stops31h 17m

$1,426

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Wed 4/8

12:11 pm-7:45 am

2 stops30h 34m

Perth

Wed 4/22

9:15 am-6:27 pm

2 stops46h 12m

$1,426

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Wed 4/8

6:20 am-7:45 am

2 stops36h 25m

Perth

Mon 4/20

12:10 am-11:04 pm

2 stops35h 54m

$1,426

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 4/6

12:03 pm-10:40 pm

2 stops45h 37m

Perth

Sun 4/19

9:15 am-6:27 pm

2 stops46h 12m

$1,426

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sun 4/5

12:03 pm-10:40 pm

2 stops45h 37m

Perth

Sun 4/19

9:15 am-6:27 pm

2 stops46h 12m

$1,476

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/28

Showing 1-10 of 25 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 $1,517, Cathay Pacific can have you in Perth from Missouri in 27h 52m. The distance between Missouri and Perth is about 10642 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
Fremantle
Rottnest Island
Scarborough

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