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Cheap flights from Missouri to Perth from $1,169

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Perth departing on 20/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Missouri to Perth

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:02 - 11:55
STL
-
PER
40h 53m
2 stops
Multiple Airlines Logo
22:45 - 23:59
PER
-
STL
38h 14m
2 stops
$2,227Multiple Airlines
Thu, 11 Jun - Wed, 17 Jun
Multiple Airlines Logo
16:26 - 18:30
MCI
-
PER
37h 04m
2 stops
Multiple Airlines Logo
23:45 - 15:45
PER
-
MCI
29h 00m
2 stops
$2,243Multiple Airlines
Wed, 1 Jul - Wed, 8 Jul
Qantas Airways Logo
19:20 - 22:10
STL
-
PER
61h 50m
2 stops
Qantas Airways Logo
16:25 - 23:56
PER
-
STL
44h 31m
2 stops
$2,342Qantas Airways
Fri, 29 May - Sat, 6 Jun
Multiple Airlines Logo
14:15 - 13:35
STL
-
PER
34h 20m
3 stops
Multiple Airlines Logo
13:15 - 23:57
PER
-
STL
47h 42m
3 stops
$2,453Multiple Airlines
Mon, 1 Jun - Sat, 6 Jun
Multiple Airlines Logo
19:23 - 12:30
STL
-
PER
28h 07m
2 stops
Multiple Airlines Logo
23:45 - 16:33
PER
-
STL
29h 48m
3 stops
$2,490Multiple Airlines
Fri, 29 May - Sat, 6 Jun
United Airlines Logo
19:23 - 12:30
STL
-
PER
28h 07m
2 stops
United Airlines Logo
16:45 - 15:46
PER
-
STL
60h 01m
3 stops
$2,525United Airlines
Sat, 13 Jun - Sat, 20 Jun
United Airlines Logo
19:23 - 14:40
STL
-
PER
30h 17m
2 stops
United Airlines Logo
18:10 - 15:46
PER
-
STL
58h 36m
3 stops
$2,585United Airlines
Thu, 11 Jun - Wed, 17 Jun
United Airlines Logo
16:26 - 11:40
MCI
-
PER
30h 14m
2 stops
United Airlines Logo
18:10 - 23:25
PER
-
MCI
42h 15m
3 stops
$2,948United Airlines
Wed, 1 Jul - Wed, 8 Jul
United Airlines Logo
19:59 - 14:40
MCI
-
PER
29h 41m
2 stops
United Airlines Logo
23:45 - 23:25
PER
-
MCI
36h 40m
3 stops
$3,008United Airlines
Fri, 26 Jun - Fri, 3 Jul
Air Canada Logo
17:24 - 15:45
MCI
-
PER
33h 21m
3 stops
Air Canada Logo
23:55 - 20:43
PER
-
MCI
33h 48m
3 stops
$5,179Air Canada
Wed, 1 Jul - Wed, 8 Jul

United Airlines flights from Missouri to Perth

Our best United Airlines deals on Missouri to Perth flight tickets
United Airlines
13 June
STL19:23Lambert-St Louis
28h 07m
2 stops
PER12:30Perth
20 June
PER16:45Perth
60h 01m
3 stops
STL15:46Lambert-St Louis
$2,525
United Airlines
11 June
STL19:23Lambert-St Louis
30h 17m
2 stops
PER14:40Perth
17 June
PER18:10Perth
58h 36m
3 stops
STL15:46Lambert-St Louis
$2,585
United Airlines
1 July
MCI16:26Kansas City
30h 14m
2 stops
PER11:40Perth
8 July
PER18:10Perth
42h 15m
3 stops
MCI23:25Kansas City
$2,948

Air Canada flights from Missouri to Perth

Our best Air Canada deals on Missouri to Perth flight tickets
Air Canada
29 May
STL16:48Lambert-St Louis
33h 57m
3 stops
PER15:45Perth
6 June
PER17:15Perth
43h 42m
3 stops
STL23:57Lambert-St Louis
$3,676
Air Canada
1 July
MCI17:24Kansas City
33h 21m
3 stops
PER15:45Perth
8 July
PER23:55Perth
33h 48m
3 stops
MCI20:43Kansas City
$5,179

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 17 May 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

Thu 11/6

06:02-11:55

2 stops40h 53m

Perth

Wed 17/6

22:45-23:59

2 stops38h 14m

$2,227

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Wed 1/7

16:26-18:30

2 stops37h 04m

Perth

Wed 8/7

23:45-15:45

2 stops29h 00m

$2,243

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Fri 29/5

19:20-22:10

2 stops61h 50m

Perth

Sat 6/6

16:25-23:56

2 stops44h 31m

$2,342

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 1/6

14:15-13:35

3 stops34h 20m

Perth

Sat 6/6

13:15-23:57

3 stops47h 42m

$2,453
Fastest return journey

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Fri 29/5

19:23-12:30

2 stops28h 07m

Perth

Sat 6/6

23:45-16:33

3 stops29h 48m

$2,490

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sat 13/6

19:23-12:30

2 stops28h 07m

Perth

Sat 20/6

16:45-15:46

3 stops60h 01m

$2,525

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Thu 11/6

19:23-14:40

2 stops30h 17m

Perth

Wed 17/6

18:10-15:46

3 stops58h 36m

$2,585

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Wed 1/7

16:26-11:40

2 stops30h 14m

Perth

Wed 8/7

18:10-23:25

3 stops42h 15m

$2,948

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Fri 26/6

19:59-14:40

2 stops29h 41m

Perth

Fri 3/7

23:45-23:25

3 stops36h 40m

$3,008

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Wed 1/7

17:24-15:45

3 stops33h 21m

Perth

Wed 8/7

23:55-20:43

3 stops33h 48m

$5,179

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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

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

United Airlines and Qantas 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

Fastest flight time

28h 07m

Direct flights

None
The fastest flight from Missouri to Perth takes 28h 07m
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.

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