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Cheap flights from Missouri to Perth from $1,446

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 Mar — 13 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 4 February 2026.

Tue 3/217:04
STL
-
PER
2 stops29h 21m
Multiple Airlines
Tue 10/210:20
PER
-
STL
2 stops27h 39m
Multiple Airlines
Deal found 2/2$2,373
Sat 21/316:42
STL
-
PER
2 stops35h 38m
Qantas Airways
Mon 6/423:45
PER
-
STL
2 stops37h 14m
Qantas Airways
Deal found 4/2$2,455
Wed 8/719:59
MCI
-
PER
2 stops38h 56m
Multiple Airlines
Wed 22/716:55
PER
-
MCI
2 stops44h 00m
Multiple Airlines
Deal found 2/2$2,487
Thu 5/316:13
STL
-
PER
2 stops35h 47m
Qantas Airways
Mon 9/317:00
PER
-
STL
2 stops37h 13m
Qantas Airways
Deal found 3/2$2,616
Sat 21/316:05
STL
-
PER
3 stops57h 25m
Air Canada
Mon 6/423:55
PER
-
STL
3 stops52h 29m
Air Canada
Deal found 4/2$2,729
Sun 8/318:13
MCI
-
PER
2 stops37h 07m
Qantas Airways
Wed 11/307:10
PER
-
MCI
2 stops42h 58m
Qantas Airways
Deal found 3/2$2,820
Sat 21/306:00
STL
-
PER
2 stops40h 20m
Air New Zealand
Mon 6/423:55
PER
-
STL
3 stops33h 59m
Air New Zealand
Deal found 4/2$2,856
Wed 8/717:10
MCI
-
PER
3 stops34h 50m
Air Canada
Wed 22/722:40
PER
-
MCI
3 stops30h 27m
Air Canada
Deal found 2/2$3,238
Wed 8/716:26
MCI
-
PER
2 stops30h 14m
United Airlines
Wed 22/716:55
PER
-
MCI
3 stops67h 32m
United Airlines
Deal found 2/2$3,254
Sun 8/317:30
MCI
-
PER
2 stops30h 00m
United Airlines
Wed 11/323:45
PER
-
MCI
3 stops36h 30m
United Airlines
Deal found 3/2$3,927
Sat 19/1214:00
MCI
-
PER
2 stops32h 25m
Multiple Airlines
Sat 2/108:00
PER
-
MCI
3 stops29h 37m
Multiple Airlines
Deal found 3/2$4,180
Tue 3/216:15
STL
-
PER
3 stops32h 15m
Air Canada
Tue 10/222:55
PER
-
STL
3 stops32h 00m
Air Canada
Deal found 2/2$4,571

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 4 February 2026.

Round-trip from

$2,455

One-way from

$1,446
Qantas Airways
  • Qantas Airways
  • 21/3-6/4
  • 4 total stops
  • 72h 52m total
  • Missouri to Perth
Search Deals
Qatar Airways
  • Qatar Airways
  • 1/3
  • 2 total stops
  • 32h 22m 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 4 February 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

Sat 21/3

16:42-17:20

2 stops35h 38m

Perth

Mon 6/4

23:45-23:59

2 stops37h 14m

$2,455

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Wed 8/7

19:59-23:55

2 stops38h 56m

Perth

Wed 22/7

16:55-23:55

2 stops44h 00m

$2,487

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Thu 5/3

16:13-18:00

2 stops35h 47m

Perth

Mon 9/3

17:00-17:13

2 stops37h 13m

$2,616

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sat 21/3

16:05-14:30

3 stops57h 25m

Perth

Mon 6/4

23:55-15:24

3 stops52h 29m

$2,729

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Sun 8/3

18:13-20:20

2 stops37h 07m

Perth

Wed 11/3

07:10-13:08

2 stops42h 58m

$2,820

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sat 21/3

06:00-11:20

2 stops40h 20m

Perth

Mon 6/4

23:55-20:54

3 stops33h 59m

$2,856

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Wed 8/7

17:10-17:00

3 stops34h 50m

Perth

Wed 22/7

22:40-16:07

3 stops30h 27m

$3,238

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Wed 8/7

16:26-11:40

2 stops30h 14m

Perth

Wed 22/7

16:55-23:27

3 stops67h 32m

$3,254

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Sun 8/3

17:30-12:30

2 stops30h 00m

Perth

Wed 11/3

23:45-23:15

3 stops36h 30m

$3,927

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Thu 5/3

16:05-20:20

3 stops62h 15m

Perth

Mon 9/3

22:55-15:29

3 stops53h 34m

$5,560

Flights are sorted by cheapest return flights first.

Deals found on 1/2

Showing 1-10 of 13 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 Qantas Airways and Air Canada fly from Missouri to Perth in about 35h 38m. The time it takes to get you to your destination can typically vary by up to 21h 47m. 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
Fremantle
Rottnest Island
Mandurah

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

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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.

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