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Cheap flights from Missouri to Perth from $2,143

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Perth departing on 1/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Missouri to Perth

Cheap return flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
07:00 - 18:35
MCI
-
PER
46h 35m
2 stops
Qatar Airways Logo
22:45 - 23:59
PER
-
MCI
38h 14m
2 stops
$2,143Qatar Airways
Tue, 1 Sep - Tue, 8 Sep
American Airlines Logo
15:32 - 11:15
STL
-
PER
30h 43m
2 stops
American Airlines Logo
23:55 - 22:59
PER
-
STL
36h 04m
2 stops
$2,178American Airlines
Mon, 17 Aug - Mon, 24 Aug
Qatar Airways Logo
07:00 - 18:45
STL
-
PER
45h 45m
2 stops
Qatar Airways Logo
22:45 - 23:59
PER
-
STL
39h 14m
2 stops
$2,263Qatar Airways
Sat, 5 Dec - Sat, 12 Dec
Multiple Airlines Logo
08:42 - 12:30
STL
-
PER
38h 48m
2 stops
Multiple Airlines Logo
18:10 - 15:38
PER
-
STL
58h 28m
3 stops
$2,279Multiple Airlines
Mon, 17 Aug - Mon, 24 Aug
United Airlines Logo
08:42 - 12:30
STL
-
PER
38h 48m
2 stops
United Airlines Logo
15:30 - 15:38
PER
-
STL
61h 08m
3 stops
$2,321United Airlines
Mon, 17 Aug - Mon, 24 Aug
Qantas Airways Logo
06:00 - 19:10
STL
-
PER
48h 10m
2 stops
Qantas Airways Logo
10:30 - 22:59
PER
-
STL
25h 29m
2 stops
$2,347Qantas Airways
Mon, 17 Aug - Mon, 24 Aug
United Airlines Logo
16:20 - 12:30
MCI
-
PER
31h 10m
2 stops
United Airlines Logo
22:40 - 14:33
PER
-
MCI
28h 53m
2 stops
$2,356United Airlines
Fri, 14 Aug - Mon, 14 Sep
Qantas Airways Logo
06:00 - 12:25
STL
-
PER
41h 25m
2 stops
Qantas Airways Logo
23:45 - 22:59
PER
-
STL
36h 14m
2 stops
$2,379Qantas Airways
Thu, 13 Aug - Thu, 20 Aug
Air Canada Logo
14:40 - 21:40
STL
-
PER
42h 00m
3 stops
Air Canada Logo
15:30 - 14:02
PER
-
STL
59h 32m
3 stops
$2,455Air Canada
Mon, 17 Aug - Mon, 24 Aug
Air Canada Logo
14:40 - 21:40
STL
-
PER
42h 00m
3 stops
Air Canada Logo
15:30 - 14:02
PER
-
STL
59h 32m
3 stops
$2,457Air Canada
Mon, 17 Aug - Mon, 24 Aug

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Qatar Airways flights from Missouri to Perth

Our best Qatar Airways deals on Missouri to Perth flight tickets
Qatar Airways
1 Sept
MCI07:00Kansas City
46h 35m
2 stops
PER18:35Perth
8 Sept
PER22:45Perth
38h 14m
2 stops
MCI23:59Kansas City
$2,143
Qatar Airways
5 Dec
STL07:00Lambert-St Louis
45h 45m
2 stops
PER18:45Perth
12 Dec
PER22:45Perth
39h 14m
2 stops
STL23:59Lambert-St Louis
$2,263

United Airlines flights from Missouri to Perth

Our best United Airlines deals on Missouri to Perth flight tickets
United Airlines
17 Aug
STL08:42Lambert-St Louis
38h 48m
2 stops
PER12:30Perth
24 Aug
PER15:30Perth
61h 08m
3 stops
STL15:38Lambert-St Louis
$2,321
United Airlines
14 Aug
MCI16:20Kansas City
31h 10m
2 stops
PER12:30Perth
14 Sept
PER22:40Perth
37h 50m
3 stops
MCI23:30Kansas City
$2,356
United Airlines
13 Aug
STL18:59Lambert-St Louis
51h 41m
3 stops
PER11:40Perth
20 Aug
PER23:45Perth
31h 54m
2 stops
STL18:39Lambert-St Louis
$2,446

momondo 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, momondo users made 78,305 searches. Data last updated 3 July 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

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Tue 1/9

07:00-18:35

2 stops46h 35m

Perth

Tue 8/9

22:45-23:59

2 stops38h 14m

$2,143

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 17/8

15:32-11:15

2 stops30h 43m

Perth

Mon 24/8

23:55-22:59

2 stops36h 04m

$2,178

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sat 5/12

07:00-18:45

2 stops45h 45m

Perth

Sat 12/12

22:45-23:59

2 stops39h 14m

$2,263

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 17/8

08:42-12:30

2 stops38h 48m

Perth

Mon 24/8

18:10-15:38

3 stops58h 28m

$2,279

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 17/8

08:42-12:30

2 stops38h 48m

Perth

Mon 24/8

15:30-15:38

3 stops61h 08m

$2,321

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 17/8

06:00-19:10

2 stops48h 10m

Perth

Mon 24/8

10:30-22:59

2 stops25h 29m

$2,347
Fastest return journey

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Fri 14/8

16:20-12:30

2 stops31h 10m

Perth

Mon 14/9

22:40-14:33

2 stops28h 53m

$2,356

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Thu 13/8

06:00-12:25

2 stops41h 25m

Perth

Thu 20/8

23:45-22:59

2 stops36h 14m

$2,379

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 17/8

14:40-21:40

3 stops42h 00m

Perth

Mon 24/8

15:30-14:02

3 stops59h 32m

$2,455

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 17/8

14:40-21:40

3 stops42h 00m

Perth

Mon 24/8

15:30-14:02

3 stops59h 32m

$2,457

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Perth from

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

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 Kansas City (a popular airport in Missouri) to Perth (the most popular airport in Perth), then the flight time is 30h 14m on average. If you fly from St. Louis (another popular airport in Missouri) to Perth, then the average flight time is 38h 48m.

Cheap Missouri to Perth flight deals and tips

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

Fastest flight time

30h 14m

Direct flights

None
The fastest flight from Missouri to Perth takes 30h 14m
There are no direct flights from Missouri to Perth. There are no popular flight routes from Missouri to Perth.
Search flight deals

Frequently asked questions about flying from Missouri to Perth

  • 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.

Travelling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Mandurah
Fremantle
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.

An easier way to manage your Perth trip

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