HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Perth

$773+ 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 25 — Feb 11
Sun 1/25
Sun 2/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missouri to Perth with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 December 26, 2025.

This oojo deal was found by Cheapflights users on 12/25. 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 12/266:44 pmSTL - PER
2 stops49h 26mQantas Airways
Wed 12/3110:45 pmPER - STL
2 stops39h 06mQantas Airways
Deal found 12/25$2,027
This Air Canada deal was found by Cheapflights users on 12/25. 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.
Fri 12/264:05 pmSTL - PER
3 stops55h 45mMultiple Airlines
Wed 12/3110:40 pmPER - STL
3 stops54h 49mMultiple Airlines
Deal found 12/25$2,873

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 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$1,403
(oojo)

One-way from

$773
(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 December 26, 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

Wed 5/6

12:06 pm-10:40 pm

2 stops45h 34m

Perth

Fri 5/15

9:15 am-10:29 pm

2 stops50h 14m

$1,403

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Sun 4/5

6:15 am-11:55 am

2 stops40h 40m

Perth

Sat 4/18

3:40 pm-11:59 pm

2 stops45h 19m

$1,472

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Thu 2/12

2:02 pm-12:05 pm

2 stops32h 03m

Perth

Fri 2/27

5:30 am-7:13 pm

2 stops27h 43m

$1,494

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Thu 3/5

6:50 pm-10:55 pm

2 stops38h 05m

Perth

Mon 3/9

8:30 am-6:01 pm

2 stops46h 31m

$1,654

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Sat 2/21

2:02 pm-5:20 pm

2 stops37h 18m

Perth

Wed 2/25

7:10 am-6:47 pm

2 stops25h 37m

$1,660

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Wed 5/6

12:06 pm-11:15 am

3 stops34h 09m

Perth

Fri 5/15

10:30 am-11:16 pm

2 stops25h 46m

$1,841

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Sun 4/5

1:58 pm-12:15 pm

3 stops33h 17m

Perth

Sat 4/18

6:20 am-10:22 pm

2 stops29h 02m

$1,854

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Thu 2/19

6:30 am-10:55 pm

2 stops50h 25m

Perth

Sun 2/22

12:25 am-11:48 pm

2 stops37h 23m

$1,880

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Thu 2/12

2:58 pm-10:20 pm

2 stops41h 22m

Perth

Fri 2/27

10:55 pm-4:38 pm

3 stops31h 43m

$1,899

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Sat 2/21

7:18 pm-2:45 pm

2 stops29h 27m

Perth

Wed 2/25

11:45 pm-9:59 pm

3 stops36h 14m

$2,840

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/23

Showing 1-10 of 12 results
1
2

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 December 26, 2025.

It’s typically best to fly out from Missouri to Perth in the morning. Doing so could potentially save you 34% on the flight price compared to flying in the evening, which is usually more expensive.

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 $1,494, Cathay Pacific can have you in Perth from Missouri in 32h 03m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Missouri to Perth

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Perth flights
John F Kennedy Intl to Perth flights
Dallas/Fort Worth to Perth flights
Los Angeles to Perth flights
Sky Harbor Intl to Perth flights
George Bush Intcntl to Perth flights
O'Hare Intl to Perth flights
Newark to Perth flights
Boston to Perth flights
Reagan-National to Perth flights
Dulles Intl to Perth flights
LaGuardia to Perth flights
San Francisco to Perth flights
Baltimore to Perth flights
Ontario to Perth flights
Denver to Perth flights
Seattle to Perth flights
Atlanta to Perth flights
San Jose to Perth flights
Santa Ana to Perth flights
Miami to Perth flights
Burbank to Perth flights
Minneapolis to Perth flights
Orlando to Perth flights
Honolulu to Perth flights
Birmingham to Perth flights
Des Moines to Perth flights
Las Vegas to Perth flights
Pittsburgh to Perth flights
St. Louis to Perth flights
Indianapolis to Perth flights
Grand Rapids to Perth flights
Salt Lake City to Perth flights
Sacramento to Perth flights
Tampa to Perth flights
Tulsa to Perth flights
Austin to Perth flights
Nashville to Perth flights
Raleigh to Perth flights
Charlotte to Perth flights
Love Field to Perth flights
Harrisburg to Perth flights
New Orleans to Perth flights
Oakland to Perth flights
Jacksonville to Perth flights
Cleveland to Perth flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights