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Cheap flights from Missouri to Perth from $1,514

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PER
3 Dec — 10 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Missouri to Perth

Enter your travel dates to find the best prices.

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 3 November 2025.

Thu 13/1108:39STL - PER
2 stops32h 16mCathay Pacific
Sun 16/1100:25PER - STL
2 stops36h 33mCathay Pacific
Deal found 2/11$2,523
Thu 13/1118:13STL - PER
2 stops34h 02mQantas Airways
Mon 17/1117:45PER - STL
2 stops32h 52mQantas Airways
Deal found 31/10$2,775
Thu 13/1116:05STL - PER
3 stops62h 15mAir Canada
Mon 17/1122:55PER - STL
3 stops54h 34mAir Canada
Deal found 31/10$5,807
Tue 16/1206:00MCI - PER
3 stops42h 30mUnited Airlines
Tue 23/1223:55PER - MCI
3 stops35h 55mUnited Airlines
Deal found 1/11$5,987

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 3 November 2025.

Round-trip from

$2,523

One-way from

$1,514
Cathay Pacific
  • Cathay Pacific
  • 13/11-16/11
  • 4 total stops
  • 70h 28m total
  • Missouri to Perth
Search Deals
United Airlines
  • United Airlines
  • 1/3
  • 2 total stops
  • 29h 27m total
  • Missouri to Perth
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 3 November 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

Thu 13/11

07:00-06:55

2 stops33h 55m

Perth

Sun 16/11

00:25-22:58

2 stops36h 33m

$2,523

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Fri 6/3

13:59-12:05

2 stops32h 06m

Perth

Mon 9/3

08:00-20:03

2 stops49h 03m

$2,716

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Thu 13/11

18:13-18:15

2 stops34h 02m

Perth

Mon 17/11

17:45-12:37

2 stops32h 52m

$2,775

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Fri 6/3

13:59-10:10

2 stops30h 11m

Perth

Mon 9/3

11:20-16:01

2 stops41h 41m

$2,971

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Fri 6/3

07:25-14:45

2 stops41h 20m

Perth

Mon 9/3

23:45-21:35

3 stops34h 50m

$3,137

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Thu 13/11

16:05-20:20

3 stops62h 15m

Perth

Mon 17/11

22:55-15:29

3 stops54h 34m

$5,807

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Tue 16/12

06:00-14:30

3 stops42h 30m

Perth

Tue 23/12

23:55-21:50

3 stops35h 55m

$5,987

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Sun 1/3

19:18-14:45

2 stops29h 27m

$1,514

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Sun 1/3

06:00-18:45

2 stops46h 45m

$1,724

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Sun 1/3

13:59-12:05

3 stops32h 06m

$2,962

Flights are sorted by cheapest return flights first.

Deals found on 31/10

Showing 1-10 of 11 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 return 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?

    If you book a flight to Perth from Missouri, you will be flying to Perth, which is the city’s only airport. Perth (PER) is located 10.2 km from the centre of Perth.

  • How long is the flight from Missouri to Perth?

    Airlines like Cathay Pacific, American Airlines, and Qantas Airways fly from Missouri to Perth in about 32h 06m. The time it takes to get you to your destination can typically vary by up to 1h 56m. Missouri and Perth are separated by a distance of 17127 km. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Missouri to Perth one-way?

    The cheapet airlines for a one-way flight from Missouri to Perth are United Airlines ($1,514), Qatar Airways ($1,724), and Qantas Airways ($3,182).

  • 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 holiday 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

Travelling to a place near Perth?

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

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