How long does it take to fly to Perth?

The flight from Missouri to Perth depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from St. Louis (a popular airport in Missouri) to Perth (the most popular airport in Perth), then the flight time is 32h 16m on average. If you fly from Kansas City (another popular airport in Missouri) to Perth, then the average flight time is 32h 26m.

When did momondo last update prices for flights from Missouri to Perth Airport?

Prices for flights from Missouri to Perth Airport are refreshed on a daily basis.

How old do you have to be to fly from Missouri to Perth Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Perth Airport.

What documentation or ID do you need to fly to Perth Airport?

The necessary travel and health documents for your Perth Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$1,605 Cheap Flights from Missouri to Perth in 2025/26

1 adult

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Find the cheapest flights from Missouri to Perth

Round-trip

One-way

Cheap return flights

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07:50 - 07:45STL-PER

34h 55m2 stops

00:10 - 22:29PER-STL

35h 19m2 stops

$2,263Cathay Pacific

Find Deal

Fri, 1 May - Fri, 8 May

07:00 - 11:55STL-PER

39h 55m2 stops

22:45 - 23:55PER-STL

38h 10m2 stops

$2,373Qatar Airways

Find Deal

Fri, 1 May - Sat, 9 May

16:05 - 14:55STL-PER

57h 50m3 stops

15:30 - 19:30PER-STL

41h 00m3 stops

$2,423Multiple Airlines

Find Deal

Fri, 1 May - Sat, 9 May

09:44 - 12:25MCI-PER

36h 41m2 stops

10:20 - 11:38PER-MCI

38h 18m2 stops

$2,873American Airlines

Find Deal

Fri, 6 Mar - Mon, 9 Mar

07:25 - 14:45MCI-PER

41h 20m2 stops

23:45 - 23:17PER-MCI

36h 32m3 stops

$3,162United Airlines

Find Deal

Fri, 6 Mar - Mon, 9 Mar

07:25 - 14:45MCI-PER

41h 20m2 stops

23:45 - 23:17PER-MCI

36h 32m3 stops

$3,164United Airlines

Find Deal

Fri, 6 Mar - Mon, 9 Mar

13:59 - 12:25MCI-PER

32h 26m2 stops

05:30 - 20:03PER-MCI

27h 33m2 stops

$3,174Qantas Airways

Find Deal

Fri, 6 Mar - Mon, 9 Mar

19:06 - 12:30STL-PER

28h 24m2 stops

15:30 - 15:21PER-STL

60h 51m3 stops

$3,344United Airlines

Find Deal

Fri, 1 May - Sat, 9 May

06:55 - 20:20STL-PER

47h 25m2 stops

15:20 - 23:51PER-STL

46h 31m2 stops

$3,837Qantas Airways

Find Deal

Sun, 14 Dec - Sun, 21 Dec

18:44 - 08:15STL-PER

71h 31m2 stops

22:40 - 23:51PER-STL

39h 11m2 stops

$4,742Multiple Airlines

Find Deal

Sat, 20 Dec - Sat, 27 Dec

United Airlines flights from Missouri to Perth

Our best United Airlines deals on Missouri to Perth flight tickets

United Airlines

6 Mar

MCI07:25Kansas City

41h 20m

2 stops

PER14:45Perth

9 Mar

PER23:45Perth

36h 32m

3 stops

MCI23:17Kansas City

$3,162

Find similar

United Airlines

6 Mar

MCI07:25Kansas City

41h 20m

2 stops

PER14:45Perth

9 Mar

PER23:45Perth

36h 32m

3 stops

MCI23:17Kansas City

$3,164

Find similar

United Airlines

1 May

STL19:06Lambert-St Louis

28h 24m

2 stops

PER12:30Perth

9 May

PER15:30Perth

60h 51m

3 stops

STL15:21Lambert-St Louis

$3,344

Find similar

Cathay Pacific flights from Missouri to Perth

Our best Cathay Pacific deals on Missouri to Perth flight tickets

Cathay Pacific

1 May

STL07:50Lambert-St Louis

34h 55m

2 stops

PER07:45Perth

8 May

PER00:10Perth

35h 19m

2 stops

STL22:29Lambert-St Louis

$2,263

Find similar

Cathay Pacific

13 Nov

STL07:00Lambert-St Louis

33h 55m

2 stops

PER06:55Perth

16 Nov

PER00:25Perth

36h 33m

2 stops

STL22:58Lambert-St Louis

$2,544

Find similar

Cathay Pacific

13 Nov

STL07:00Lambert-St Louis

33h 55m

2 stops

PER06:55Perth

16 Nov

PER00:25Perth

36h 33m

2 stops

STL22:58Lambert-St Louis

$3,099

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Fri 1/5

07:50-07:45

2 stops34h 55m

Perth

Fri 8/5

00:10-22:29

2 stops35h 19m

$2,263

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Fri 1/5

07:00-11:55

2 stops39h 55m

Perth

Sat 9/5

22:45-23:55

2 stops38h 10m

$2,373

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Fri 1/5

16:05-14:55

3 stops57h 50m

Perth

Sat 9/5

15:30-19:30

3 stops41h 00m

$2,423

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Fri 6/3

09:44-12:25

2 stops36h 41m

Perth

Mon 9/3

10:20-11:38

2 stops38h 18m

$2,872

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Fri 6/3

07:25-14:45

2 stops41h 20m

Perth

Mon 9/3

23:45-23:17

3 stops36h 32m

$3,162

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Fri 6/3

07:25-14:45

2 stops41h 20m

Perth

Mon 9/3

23:45-23:17

3 stops36h 32m

$3,164

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Fri 6/3

13:59-12:25

2 stops32h 26m

Perth

Mon 9/3

05:30-20:03

2 stops27h 33m

$3,174

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Fri 1/5

19:06-12:30

2 stops28h 24m

Perth

Sat 9/5

15:30-15:21

3 stops60h 51m

$3,344

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sun 14/12

06:55-20:20

2 stops47h 25m

Perth

Sun 21/12

15:20-23:51

2 stops46h 31m

$3,837

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sat 20/12

18:44-08:15

2 stops71h 31m

Perth

Sat 27/12

22:40-23:51

2 stops39h 11m

$4,742

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Missouri to Perth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Airlines

Other information

What is the cheapest airline that flies from Missouri to Perth?

Qantas Airways and Qatar Airways are the most popular carriers operating from Missouri to Perth

Cheap Missouri to Perth flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Perth

Direct flights	None

There are no direct flights from Missouri to Perth. There are no popular flight routes from Missouri to Perth.

Search flight deals

When did momondo last update prices for flights from Missouri to Perth Airport?
Prices for flights from Missouri to Perth Airport are refreshed on a daily basis.
How old do you have to be to fly from Missouri to Perth Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Perth Airport.
What documentation or ID do you need to fly to Perth Airport?
The necessary travel and health documents for your Perth Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Fremantle

Mandurah

Scarborough

Rottnest Island

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Perth?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Missouri to Perth . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Missouri to Perth with flexible booking policies on momondo?

momondo does allow users to show only those flights to Perth from Missouri which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Missouri to Perth?

Once all potential Missouri to Perth flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Missouri to Perth right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Perth, momondo offers a useful price alert feature which will track prices for flights to Perth from Missouri and alert you when they change.