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Cheap flights from Missouri to Perth from $1,480

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
27 Feb — 6 Mar1
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 January 2026.

Mon 11/506:20
STL
-
PER
2 stops51h 20m
Cathay Pacific
Sat 16/500:10
PER
-
STL
2 stops36h 49m
Cathay Pacific
Deal found 27/1$2,185
Wed 28/111:05
STL
-
PER
2 stops29h 50m
Cathay Pacific
Wed 4/208:30
PER
-
STL
2 stops50h 45m
Cathay Pacific
Deal found 27/1$2,208
Sun 1/1109:06
MCI
-
PER
2 stops47h 49m
Cathay Pacific
Thu 19/1100:25
PER
-
MCI
2 stops34h 58m
Cathay Pacific
Deal found 25/1$2,238
Fri 13/313:58
MCI
-
PER
2 stops29h 32m
Multiple Airlines
Fri 20/307:10
PER
-
MCI
2 stops24h 53m
Multiple Airlines
Deal found 27/1$2,378
Thu 5/318:50
STL
-
PER
2 stops38h 05m
Cathay Pacific
Mon 9/308:30
PER
-
STL
2 stops46h 28m
Cathay Pacific
Deal found 25/1$2,548
Mon 11/507:30
STL
-
PER
3 stops43h 15m
Multiple Airlines
Sun 17/523:55
PER
-
STL
3 stops49h 11m
Multiple Airlines
Deal found 27/1$2,641
Sun 8/318:13
MCI
-
PER
2 stops38h 22m
Qantas Airways
Wed 11/305:30
PER
-
MCI
2 stops26h 33m
Qantas Airways
Deal found 25/1$2,821
Sun 1/1117:00
MCI
-
PER
3 stops47h 55m
Multiple Airlines
Fri 20/1108:30
PER
-
MCI
3 stops45h 28m
Multiple Airlines
Deal found 25/1$2,991
Wed 28/111:05
STL
-
PER
2 stops29h 50m
Multiple Airlines
Wed 4/222:55
PER
-
STL
3 stops54h 34m
Multiple Airlines
Deal found 27/1$3,063
Sun 1/1116:30
MCI
-
PER
2 stops28h 50m
United Airlines
Fri 20/1123:45
PER
-
MCI
3 stops37h 52m
United Airlines
Deal found 25/1$3,096
Fri 13/317:21
MCI
-
PER
3 stops52h 59m
United Airlines
Fri 20/322:55
PER
-
MCI
3 stops37h 20m
United Airlines
Deal found 27/1$3,227
Wed 28/116:05
STL
-
PER
3 stops56h 25m
Air Canada
Wed 4/215:15
PER
-
STL
3 stops62h 14m
Air Canada
Deal found 27/1$4,011

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 January 2026.

Round-trip from

$2,185

One-way from

$1,480
Cathay Pacific
  • Cathay Pacific
  • 11/5-16/5
  • 4 total stops
  • 88h 09m total
  • Missouri to Perth
Search Deals
Qatar Airways
  • Qatar Airways
  • 1/3
  • 2 total stops
  • 34h 32m 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 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

Mon 11/5

06:20-22:40

2 stops51h 20m

Perth

Sat 16/5

00:10-23:59

2 stops36h 49m

$2,185

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Fri 13/3

13:58-08:30

2 stops29h 32m

Perth

Fri 20/3

07:10-19:03

2 stops24h 53m

$2,378

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

$2,548

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 11/5

07:30-15:45

3 stops43h 15m

Perth

Sun 17/5

23:55-12:06

3 stops49h 11m

$2,641

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Sun 8/3

18:13-21:35

2 stops38h 22m

Perth

Wed 11/3

05:30-19:03

2 stops26h 33m

$2,821

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Fri 13/3

17:21-11:20

3 stops52h 59m

Perth

Fri 20/3

22:55-22:30

2 stops36h 35m

$3,227

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Sun 8/3

17:30-12:30

2 stops30h 00m

Perth

Wed 11/3

23:45-21:59

3 stops35h 14m

$4,029

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sat 14/2

13:30-18:45

2 stops39h 15m

Perth

Fri 27/2

22:45-12:33

2 stops51h 48m

$13,158

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sat 14/2

08:00-12:25

3 stops38h 25m

Perth

Fri 27/2

22:40-17:13

2 stops32h 33m

$26,097

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Sun 1/3

18:13-18:45

2 stops34h 32m

$1,480

Flights are sorted by cheapest return flights first.

Deals found on 25/1

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 Cathay Pacific, Qantas Airways, and United Airlines fly from Missouri to Perth in about 38h 22m. The time it takes to get you to your destination can typically vary by up to 14h 37m. 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
Mandurah
Rottnest Island

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Fly with Cheapflights

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How does Cheapflights help users find flights from Missouri to Perth?

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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?

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