How long does it take to fly to Perth?

Average flight duration from Missouri to Perth depends on which airport you fly into and out of. Flying from St. Louis to Perth is 30h 49m on average, while flying from Kansas City to Perth is 30h 56m on average. Perth is the most popular airport in Perth.

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

Prices for flights from Missouri to Perth Airport were last updated today.

How many operators does momondo search for flights from Missouri to Perth Airport?

As of August 2026, there is 1 operator available to choose from for flights from Missouri to Perth Airport.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. 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 travel and health documents required for your trip to Perth Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Perth Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$715 Cheap Flights from Missouri to Perth in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Missouri to Perth

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:17 am - 6:50 amMCI Kansas City-PER Perth

35h 33m2 stops Seattle/Tacoma Intl Hong Kong Intl

12:25 am - 11:59 pmPER Perth-MCI Kansas City

37h 34m2 stops Hong Kong Intl Seattle/Tacoma Intl

$1,418Multiple Airlines

Tue, Oct 20 - Mon, Nov 2

7:00 am - 6:55 amMCI Kansas City-PER Perth

33h 55m2 stops Seattle/Tacoma Intl Hong Kong Intl

12:25 am - 11:59 pmPER Perth-MCI Kansas City

37h 34m2 stops Hong Kong Intl Seattle/Tacoma Intl

$1,418Multiple Airlines

Mon, Nov 2 - Tue, Nov 10

11:01 am - 10:40 pmSTL Lambert-St Louis-PER Perth

46h 39m2 stops Chicago O'Hare Intl Hong Kong Intl

12:10 am - 11:46 pmPER Perth-STL Lambert-St Louis

36h 36m2 stops Hong Kong Intl Los Angeles

$1,546Multiple Airlines

Thu, Oct 1 - Wed, Oct 7

2:52 pm - 6:45 pmMCI Kansas City-PER Perth

61h 53m2 stops Seattle/Tacoma Intl Doha Hamad Intl

10:45 pm - 11:59 pmPER Perth-MCI Kansas City

39h 14m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,604Qatar Airways

Wed, Nov 4 - Sun, Nov 8

11:01 am - 6:50 amSTL Lambert-St Louis-PER Perth

30h 49m2 stops Chicago O'Hare Intl Hong Kong Intl

8:20 am - 9:59 pmPER Perth-STL Lambert-St Louis

50h 39m2 stops Hong Kong Intl Dallas/Fort Worth

$1,635Cathay Pacific

Tue, Sep 29 - Tue, Oct 6

2:40 pm - 9:40 pmSTL Lambert-St Louis-PER Perth

42h 00m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

10:55 pm - 2:00 pmPER Perth-STL Lambert-St Louis

52h 05m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,669Air Canada

Tue, Sep 29 - Tue, Oct 6

11:22 am - 8:10 pmMCI Kansas City-PER Perth

43h 48m3 stops Chicago O'Hare Intl San Francisco Melbourne

11:45 pm - 2:45 pmPER Perth-MCI Kansas City

29h 00m2 stops Melbourne Los Angeles

$1,704Multiple Airlines

Tue, Oct 20 - Tue, Nov 3

11:01 am - 6:50 amSTL Lambert-St Louis-PER Perth

30h 49m2 stops Chicago O'Hare Intl Hong Kong Intl

12:10 am - 11:59 pmPER Perth-STL Lambert-St Louis

36h 49m3 stops Hong Kong Intl Vancouver Intl Seattle/Tacoma Intl

$1,734Multiple Airlines

Thu, Oct 1 - Wed, Oct 7

3:17 pm - 6:35 pmMCI Kansas City-PER Perth

62h 18m2 stops Seattle/Tacoma Intl Doha Hamad Intl

10:45 pm - 11:59 pmPER Perth-MCI Kansas City

38h 14m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,827Qatar Airways

Sat, Oct 17 - Wed, Oct 21

6:24 pm - 10:20 pmMCI Kansas City-PER Perth

61h 56m2 stops Houston George Bush Intcntl Auckland Intl

10:55 pm - 9:51 pmPER Perth-MCI Kansas City

36h 56m3 stops Sydney Kingsford Smith Los Angeles Chicago O'Hare Intl

$1,851Air New Zealand

Mon, Nov 2 - Wed, Nov 11

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Air Canada flights from Missouri to Perth

Our best Air Canada deals on Missouri to Perth flight tickets

Air Canada

Sep 29

STL2:40 pmLambert-St Louis

42h 00m

3 stops

PER9:40 pmPerth

Oct 6

PER10:55 pmPerth

52h 05m

3 stops

STL2:00 pmLambert-St Louis

$1,669

Air Canada

Nov 2

MCI1:34 pmKansas City

34h 56m

3 stops

PER2:30 pmPerth

Nov 11

PER10:30 pmPerth

31h 41m

3 stops

MCI4:11 pmKansas City

$3,594

Air Canada

Dec 22

STL8:48 amLambert-St Louis

41h 07m

3 stops

PER3:55 pmPerth

Jan 4

PER11:55 pmPerth

31h 01m

3 stops

STL4:56 pmLambert-St Louis

$3,922

United Airlines flights from Missouri to Perth

Our best United Airlines deals on Missouri to Perth flight tickets

United Airlines

Sep 28

MCI11:22 amKansas City

36h 33m

3 stops

PER12:55 pmPerth

Oct 5

PER11:45 pmPerth

36h 59m

3 stops

MCI11:44 pmKansas City

$2,135

United Airlines

Sep 28

MCI7:38 amKansas City

40h 17m

2 stops

PER12:55 pmPerth

Oct 5

PER11:45 pmPerth

29h 39m

2 stops

MCI4:24 pmKansas City

$2,150

United Airlines

Oct 1

MCI5:35 pmKansas City

32h 05m

2 stops

PER2:40 pmPerth

Oct 8

PER10:40 pmPerth

38h 04m

3 stops

MCI11:44 pmKansas City

$2,406

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CityPerth

MCI Kansas City - PER Perth

MCIPER

Kansas City

Tue 10/20

6:17 am-6:50 am

2 stops35h 33m

Perth

Mon 11/2

12:25 am-11:59 pm

2 stops37h 34m

$1,418

Kansas CityPerth

MCI Kansas City - PER Perth

MCIPER

Kansas City

Mon 11/2

7:00 am-6:55 am

2 stops33h 55m

Perth

Tue 11/10

12:25 am-11:59 pm

2 stops37h 34m

$1,418

St. LouisPerth

STL Lambert-St Louis - PER Perth

STLPER

Lambert-St Louis

Thu 10/1

11:01 am-10:40 pm

2 stops46h 39m

Perth

Wed 10/7

12:10 am-11:46 pm

2 stops36h 36m

$1,546

Kansas CityPerth

MCI Kansas City - PER Perth

MCIPER

Kansas City

Wed 11/4

2:52 pm-6:45 pm

2 stops61h 53m

Perth

Sun 11/8

10:45 pm-11:59 pm

2 stops39h 14m

$1,604

St. LouisPerth

STL Lambert-St Louis - PER Perth

STLPER

Lambert-St Louis

Tue 9/29

11:01 am-6:50 am

2 stops30h 49m

Perth

Tue 10/6

8:20 am-9:59 pm

2 stops50h 39m

$1,635

St. LouisPerth

STL Lambert-St Louis - PER Perth

STLPER

Lambert-St Louis

Tue 9/29

2:40 pm-9:40 pm

3 stops42h 00m

Perth

Tue 10/6

10:55 pm-2:00 pm

3 stops52h 05m

$1,669

Kansas CityPerth

MCI Kansas City - PER Perth

MCIPER

Kansas City

Tue 10/20

11:22 am-8:10 pm

3 stops43h 48m

Perth

Tue 11/3

11:45 pm-2:45 pm

2 stops29h 00m

$1,704

Quickest round-trip

St. LouisPerth

STL Lambert-St Louis - PER Perth

STLPER

Lambert-St Louis

Thu 10/1

11:01 am-6:50 am

2 stops30h 49m

Perth

Wed 10/7

12:10 am-11:59 pm

3 stops36h 49m

$1,734

Kansas CityPerth

MCI Kansas City - PER Perth

MCIPER

Kansas City

Sat 10/17

3:17 pm-6:35 pm

2 stops62h 18m

Perth

Wed 10/21

10:45 pm-11:59 pm

2 stops38h 14m

$1,827

Kansas CityPerth

MCI Kansas City - PER Perth

MCIPER

Kansas City

Mon 11/2

6:24 pm-10:20 pm

2 stops61h 56m

Perth

Wed 11/11

10:55 pm-9:51 pm

3 stops36h 56m

$1,851

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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?

Cathay Pacific and United Airlines 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

Best Price Found	$715
Fastest flight time	30h 49m
Direct flights	None

The best one-way flight to Perth from Missouri in the past 72 hours is $715. The best round-trip flight deal from Missouri to Perth found on momondo in the last 72 hours is $1,418.

The fastest flight from Missouri to Perth takes 30h 49m

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 were last updated today.
How many operators does momondo search for flights from Missouri to Perth Airport?
As of August 2026, there is 1 operator available to choose from for flights from Missouri to Perth Airport.
How old do you have to be to fly from Missouri to Perth Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. 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 travel and health documents required for your trip to Perth Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Perth Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Missouri to Perth

Compare and see reviews for airlines that fly from Missouri to Perth with momondo

Airline	Rating	Free Cancellation	Price
Qantas Airways	PriceFrom $1,545	Free Cancellation	Rating 7.5 1,083 reviews		Search Qantas Airways flights

Rottnest Island

Fremantle

Mandurah

Scarborough

Waikiki

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Missouri to Perth for you.

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

Yes. momondo allows you to filter the results for Missouri to Perth flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Missouri and Perth by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Perth from Missouri. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.