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Perth

$854+ 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
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Missouri to Perth

Keep the following information in mind while searching for Missouri to Perth flight deals. Data was last updated September 17, 2025.

Round-trip from

$1,519
(oojo)

One-way from

$854
(Qantas Airways)
From Missouri to Perth
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One-way flight from Missouri to Perth
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Find 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 September 17, 2025.

This oojo deal was found by Cheapflights users on 9/15. 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.
Fri 9/197:00 amMCI - PER
2 stops46h 40mQatar Airways
Sun 9/2110:45 pmPER - MCI
2 stops38h 14mQatar Airways
Deal found 9/15$1,545
This Gotogate deal was found by Cheapflights users on 9/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3110:13 amSTL - PER
2 stops43h 32mQatar Airways
Fri 11/710:45 pmPER - STL
2 stops39h 11mQatar Airways
Deal found 9/16$1,547
This Cathay Pacific deal was found by Cheapflights users on 9/14. 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.
Thu 11/137:00 amSTL - PER
2 stops49h 50mCathay Pacific
Sun 11/1612:15 amPER - STL
2 stops37h 27mCathay Pacific
Deal found 9/14$1,582
This Jetabroad deal was found by Cheapflights users on 9/17. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:09 pmSTL - PER
2 stops39h 06mQantas Airways
Sat 11/810:40 pmPER - STL
2 stops32h 28mQantas Airways
Deal found 9/17$1,601
This BYOjet deal was found by Cheapflights users on 9/17. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:09 pmSTL - PER
2 stops40h 46mCathay Pacific
Fri 11/712:25 amPER - STL
2 stops33h 02mCathay Pacific
Deal found 9/17$1,629
This FlightHub deal was found by Cheapflights users on 9/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/158:42 amSTL - PER
2 stops44h 58mQatar Airways
Wed 10/2210:45 pmPER - STL
2 stops34h 41mQatar Airways
Deal found 9/17$1,651
This lastminute.com deal was found by Cheapflights users on 9/16. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3110:13 amSTL - PER
2 stops31h 42mCathay Pacific
Thu 11/612:25 amPER - STL
2 stops36h 33mCathay Pacific
Deal found 9/16$1,836
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/302:55 pmMCI - PER
2 stops34h 35mUnited Airlines
Thu 11/610:30 pmPER - MCI
2 stops32h 07mUnited Airlines
Deal found 9/14$1,865
This Gotogate deal was found by Cheapflights users on 9/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/159:35 amSTL - PER
2 stops44h 05mMultiple Airlines
Wed 10/223:00 pmPER - STL
3 stops41h 48mMultiple Airlines
Deal found 9/17$1,974
This Trip.com deal was found by Cheapflights users on 9/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/314:35 pmSTL - PER
2 stops40h 05mMultiple Airlines
Fri 11/710:40 pmPER - STL
3 stops37h 42mMultiple Airlines
Deal found 9/16$1,980
This Air Canada deal was found by Cheapflights users on 9/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/14:05 pmSTL - PER
3 stops56h 45mMultiple Airlines
Sat 11/810:40 pmPER - STL
3 stops54h 49mMultiple Airlines
Deal found 9/17$2,059
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 11/15:10 pmMCI - PER
3 stops32h 20mUnited Airlines
Sat 11/84:45 pmPER - MCI
2 stops37h 52mUnited Airlines
Deal found 9/16$2,059

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 September 17, 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

Fri 10/31

10:13 am-6:45 pm

2 stops43h 32m

Perth

Fri 11/7

10:45 pm-11:56 pm

2 stops39h 11m

$1,547

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Thu 11/13

7:00 am-10:50 pm

2 stops49h 50m

Perth

Sun 11/16

12:15 am-11:42 pm

2 stops37h 27m

$1,582

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sat 11/1

5:09 pm-9:15 pm

2 stops39h 06m

Perth

Sat 11/8

10:40 pm-5:08 pm

2 stops32h 28m

$1,601

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sat 11/1

5:09 pm-10:55 pm

2 stops40h 46m

Perth

Fri 11/7

12:25 am-7:27 pm

2 stops33h 02m

$1,629

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Wed 10/15

8:42 am-6:40 pm

2 stops44h 58m

Perth

Wed 10/22

10:45 pm-8:26 pm

2 stops34h 41m

$1,651

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Fri 3/6

7:00 am-12:00 pm

2 stops39h 00m

Perth

Mon 3/9

10:45 pm-11:47 pm

2 stops38h 02m

$1,774

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Fri 10/31

10:13 am-6:55 am

2 stops31h 42m

Perth

Thu 11/6

12:25 am-10:58 pm

2 stops36h 33m

$1,836

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Thu 10/30

5:10 pm-2:30 pm

3 stops32h 20m

Perth

Thu 11/6

10:30 pm-4:37 pm

2 stops32h 07m

$1,865

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Sat 11/1

5:35 pm-2:30 pm

2 stops31h 55m

Perth

Sat 11/8

4:45 pm-4:37 pm

2 stops37h 52m

$2,059

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Fri 3/6

3:50 pm-3:55 pm

2 stops34h 05m

Perth

Mon 3/9

11:45 pm-11:28 pm

3 stops36h 43m

$2,061

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 13 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

What is the cheapest time of day to fly from MO to PER?

Find hourly flight availability from Missouri to Perth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Perth as you normally would.

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 $1,865, Qatar Airways can have you in Perth from Missouri in 32h 20m. 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.

  • What is the cheapest month to book a flight from Missouri to Perth?

    Currently, February is the cheapest month in which you can book a flight from Missouri to Perth (average of $1,436). Flying from Missouri to Perth in December is currently the most expensive (average of $2,094). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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