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Cheap flights from Missouri to Perth from $2,182

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PER
27 Apr — 4 May1
1 adult
1 adult, Economy, 0 bags

Cheap 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 28 March 2026.

Tue 13/1006:41
STL
-
PER
2 stops46h 54m
Qatar Airways
Tue 27/1022:45
PER
-
STL
2 stops38h 14m
Qatar Airways
Deal found 26/3$2,182
Tue 13/1006:41
STL
-
PER
2 stops46h 54m
Qatar Airways
Mon 26/1022:45
PER
-
STL
2 stops38h 14m
Qatar Airways
Deal found 26/3$2,313
Sun 10/516:46
STL
-
PER
2 stops60h 49m
Multiple Airlines
Sun 17/515:40
PER
-
STL
2 stops45h 14m
Multiple Airlines
Deal found 26/3$2,346
Tue 13/1006:41
STL
-
PER
2 stops46h 54m
Qatar Airways
Sun 25/1022:45
PER
-
STL
2 stops38h 14m
Qatar Airways
Deal found 26/3$2,371
Sat 31/1006:45
MCI
-
PER
2 stops47h 00m
Qatar Airways
Wed 4/1122:45
PER
-
MCI
2 stops38h 51m
Qatar Airways
Deal found 26/3$2,371
Sat 9/507:00
STL
-
PER
2 stops46h 35m
Multiple Airlines
Sat 16/522:45
PER
-
STL
2 stops38h 09m
Multiple Airlines
Deal found 24/3$2,473
Tue 13/1006:41
STL
-
PER
2 stops46h 54m
Qatar Airways
Sat 24/1022:45
PER
-
STL
2 stops38h 14m
Qatar Airways
Deal found 26/3$2,478
Sat 9/507:00
MCI
-
PER
2 stops39h 55m
Multiple Airlines
Sat 16/522:45
PER
-
MCI
2 stops38h 04m
Multiple Airlines
Deal found 25/3$2,555
Wed 8/714:35
MCI
-
PER
2 stops32h 40m
Qantas Airways
Wed 22/706:25
PER
-
MCI
2 stops25h 37m
Qantas Airways
Deal found 25/3$2,698
Mon 15/606:35
STL
-
PER
2 stops45h 25m
Qantas Airways
Fri 3/723:45
PER
-
STL
2 stops31h 49m
Qantas Airways
Deal found 25/3$2,798
Mon 15/606:35
STL
-
PER
2 stops45h 25m
Qantas Airways
Thu 2/710:30
PER
-
STL
2 stops26h 29m
Qantas Airways
Deal found 25/3$2,838
Tue 13/1014:40
STL
-
PER
3 stops34h 15m
Multiple Airlines
Tue 27/1014:45
PER
-
STL
3 stops61h 45m
Multiple Airlines
Deal found 26/3$2,851

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 28 March 2026.

Round-trip from

$2,346

One-way from

$983
10/5-17/5
  • 10/5-17/5
  • 4 total stops
  • 106h 03m total
  • Missouri to Perth
Search Deals
21/8
  • 21/8
  • 3 total stops
  • 47h 38m 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 28 March 2026.
Use the filters below to find and compare flights from Missouri to Perth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sun 21/6

06:35-12:05

2 stops40h 30m

Perth

Sun 28/6

23:45-18:33

2 stops31h 48m

$2,798

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Wed 17/6

06:35-12:05

2 stops40h 30m

Perth

Sat 4/7

06:15-18:34

2 stops25h 19m

$2,798

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sun 21/6

06:35-21:55

2 stops50h 20m

Perth

Wed 1/7

06:25-19:36

2 stops26h 11m

$2,798
Fastest return journey

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Wed 8/7

19:52-15:25

2 stops30h 33m

Perth

Wed 22/7

06:25-19:02

2 stops25h 37m

$2,854

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Fri 19/6

19:23-11:15

2 stops50h 52m

Perth

Tue 30/6

23:45-19:36

2 stops32h 51m

$2,878

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sat 12/9

09:46-18:35

2 stops43h 49m

Perth

Wed 16/9

22:45-23:20

2 stops37h 35m

$3,004

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Mon 11/5

16:17-11:40

2 stops30h 23m

Perth

Mon 18/5

22:40-23:59

3 stops38h 19m

$3,075

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Wed 8/7

14:35-11:15

2 stops31h 40m

Perth

Wed 22/7

23:45-17:22

3 stops30h 37m

$3,169

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Fri 8/5

19:06-12:55

2 stops28h 49m

Perth

Fri 15/5

23:45-18:22

2 stops31h 37m

$3,222

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Sat 9/5

14:59-21:55

3 stops41h 56m

Perth

Sat 16/5

16:25-22:30

3 stops43h 05m

$3,232

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 12 resultsSorted by cheapest first
1
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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 Qantas Airways, Qatar Airways, and United Airlines fly from Missouri to Perth in about 30h 23m. The time it takes to get you to your destination can typically vary by up to 13h 26m. Missouri and Perth are separated by a distance of 17127 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
Fremantle
Rottnest Island
Mandurah

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Why should you use Cheapflights to find cheap flight tickets from Missouri to Perth?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Perth from Missouri.

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

Need flexible booking options for your flight to Perth from Missouri? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Missouri to Perth become cheaper?

Not ready to book yet? You can track prices for flights from Missouri to Perth on Cheapflights with our Price Alert feature and get notified when better prices are available.

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