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Cheap flights from Missouri to Perth from $1,524

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
6 Feb — 13 Feb1
1 adult
1 adult, Economy, 0 bags

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 7 January 2026.

Round-trip from

$2,084

One-way from

$1,524
Qantas Airways
  • Qantas Airways
  • 20/2-27/2
  • 4 total stops
  • 84h 02m total
  • Missouri to Perth
Search Deals
Qatar Airways
  • Qatar Airways
  • 1/3
  • 2 total stops
  • 38h 47m total
  • Missouri to Perth
Search Deals

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 7 January 2026.

Fri 20/218:13MCI - PER
2 stops49h 57mQantas Airways
Fri 27/222:45PER - MCI
2 stops34h 05mQantas Airways
Deal found 6/1$2,084
Sun 30/819:20MCI - PER
2 stops47h 25mCathay Pacific
Wed 30/909:15PER - MCI
2 stops48h 04mCathay Pacific
Deal found 6/1$2,170
Mon 31/818:15MCI - PER
2 stops39h 05mAir New Zealand
Mon 28/918:50PER - MCI
2 stops40h 17mAir New Zealand
Deal found 6/1$2,243
Tue 1/912:10MCI - PER
2 stops45h 30mCathay Pacific
Thu 1/1000:10PER - MCI
2 stops33h 09mCathay Pacific
Deal found 6/1$2,273
Fri 20/207:00STL - PER
2 stops38h 55mQatar Airways
Fri 27/215:55PER - STL
2 stops60h 28mQatar Airways
Deal found 6/1$2,300
Mon 31/818:15MCI - PER
2 stops32h 45mAir New Zealand
Tue 29/918:50PER - MCI
2 stops40h 17mAir New Zealand
Deal found 6/1$2,314
Wed 2/906:10MCI - PER
2 stops44h 50mAir New Zealand
Sun 27/918:50PER - MCI
2 stops40h 17mAir New Zealand
Deal found 6/1$2,322
Sun 30/807:00MCI - PER
2 stops44h 00mAir New Zealand
Sun 27/918:50PER - MCI
2 stops40h 17mAir New Zealand
Deal found 6/1$2,328
Fri 28/807:00MCI - PER
2 stops44h 00mAir New Zealand
Mon 28/918:50PER - MCI
2 stops40h 17mAir New Zealand
Deal found 6/1$2,332
Sat 29/818:15MCI - PER
2 stops32h 45mAir New Zealand
Wed 30/918:50PER - MCI
2 stops40h 17mAir New Zealand
Deal found 6/1$2,337
Sun 30/817:59MCI - PER
2 stops39h 41mCathay Pacific
Thu 1/1000:10PER - MCI
2 stops33h 09mCathay Pacific
Deal found 6/1$2,347
Fri 28/807:00MCI - PER
2 stops44h 00mAir New Zealand
Tue 29/918:50PER - MCI
2 stops40h 17mAir New Zealand
Deal found 6/1$2,355

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 7 January 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

Fri 20/2

07:00-11:55

2 stops38h 55m

Perth

Fri 27/2

15:55-14:23

2 stops60h 28m

$2,300

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Thu 5/3

18:50-22:55

2 stops38h 05m

Perth

Mon 9/3

08:30-17:58

2 stops46h 28m

$2,630

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Sun 8/3

18:13-11:15

2 stops52h 02m

Perth

Wed 11/3

22:55-17:17

2 stops31h 22m

$2,921

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Fri 20/2

13:58-12:05

3 stops32h 07m

Perth

Fri 27/2

07:10-19:03

2 stops25h 53m

$3,135

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Fri 20/2

17:25-14:45

2 stops31h 20m

Perth

Fri 27/2

23:45-16:27

2 stops30h 42m

$3,258

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Fri 20/2

06:15-14:30

2 stops42h 15m

Perth

Fri 27/2

22:55-21:59

3 stops37h 04m

$3,278

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Fri 20/2

08:41-16:50

3 stops42h 09m

Perth

Fri 27/2

18:50-20:26

3 stops39h 36m

$3,288

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Fri 20/2

13:50-14:30

3 stops34h 40m

Perth

Fri 27/2

22:30-16:19

3 stops31h 49m

$3,718

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Sun 8/3

17:21-14:30

3 stops32h 09m

Perth

Wed 11/3

23:45-23:15

3 stops36h 30m

$4,161

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Fri 20/2

16:05-14:30

3 stops56h 25m

Perth

Fri 27/2

22:55-15:29

3 stops54h 34m

$4,233

Flights are sorted by cheapest return flights first.

Deals found on 4/1

Showing 1-10 of 12 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 Qatar Airways, Cathay Pacific, and Qantas Airways fly from Missouri to Perth in about 38h 05m. The time it takes to get you to your destination can typically vary by up to 13h 57m. Missouri and Perth are separated by a distance of 17506 km. This flight may include one or multiple stops.

  • 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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Can Cheapflights find flights from Missouri to Perth with no change fees?

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