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 32h 33m on average, while flying from Kansas City to Perth is 57h 02m 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 February 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.

$1,013 Cheap Flights from Missouri to Perth in 2026

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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.

1:58 pm - 7:45 am

MCI

PER

27h 47m

2 stops

10:40 pm - 1:08 pm

PER

MCI

27h 28m

2 stops

$1,456Qantas Airways

Sat, Feb 28 - Sun, Mar 8

6:13 pm - 7:45 am

MCI

PER

47h 32m

2 stops

5:45 pm - 1:08 pm

PER

MCI

32h 23m

2 stops

$1,546Qantas Airways

Fri, Feb 27 - Mon, Mar 9

7:15 am - 6:50 am

STL

PER

34h 35m

2 stops

12:10 am - 11:44 pm

PER

STL

36h 34m

2 stops

$1,656Cathay Pacific

Wed, Jul 8 - Sat, Jul 25

6:50 pm - 10:55 pm

STL

PER

38h 05m

2 stops

8:30 am - 5:58 pm

PER

STL

46h 28m

2 stops

$1,772Cathay Pacific

Thu, Mar 5 - Mon, Mar 9

7:18 pm - 2:45 pm

MCI

PER

29h 27m

2 stops

11:45 pm - 9:59 pm

PER

MCI

35h 14m

3 stops

$2,107United Airlines

Fri, Feb 27 - Sun, Mar 8

9:12 am - 3:55 pm

MCI

PER

40h 43m

3 stops

10:30 pm - 4:19 pm

PER

MCI

30h 49m

3 stops

$2,195Air Canada

Fri, Feb 27 - Sun, Mar 8

8:15 am - 4:00 pm

STL

PER

42h 45m

3 stops

7:50 pm - 8:37 am

PER

STL

49h 47m

3 stops

$2,344Multiple Airlines

Wed, Jul 8 - Sun, Jul 26

7:18 pm - 2:45 pm

MCI

PER

29h 27m

2 stops

11:45 pm - 11:15 pm

PER

MCI

36h 30m

3 stops

$2,382United Airlines

Sat, Feb 28 - Sun, Mar 8

6:30 pm - 4:00 pm

STL

PER

32h 30m

2 stops

7:50 pm - 8:37 am

PER

STL

49h 47m

3 stops

$2,484Multiple Airlines

Wed, Jul 8 - Sun, Jul 26

1:50 pm - 3:55 pm

MCI

PER

36h 05m

3 stops

10:30 pm - 4:19 pm

PER

MCI

30h 49m

3 stops

$2,736Air Canada

Sat, Feb 28 - Sun, Mar 8

Cathay Pacific flights from Missouri to Perth

Our best Cathay Pacific deals on Missouri to Perth flight tickets

Cathay Pacific

Jul 8

STL7:15 amLambert-St Louis

34h 35m

2 stops

PER6:50 amPerth

Jul 25

PER12:10 amPerth

36h 34m

2 stops

STL11:44 pmLambert-St Louis

$1,656

Cathay Pacific

Mar 5

STL6:50 pmLambert-St Louis

38h 05m

2 stops

PER10:55 pmPerth

Mar 9

PER8:30 amPerth

46h 28m

2 stops

STL5:58 pmLambert-St Louis

$1,772

Cathay Pacific

Mar 5

STL6:50 pmLambert-St Louis

38h 05m

2 stops

PER10:55 pmPerth

Mar 9

PER8:30 amPerth

46h 28m

2 stops

STL5:58 pmLambert-St Louis

$1,773

Qantas Airways flights from Missouri to Perth

Our best Qantas Airways deals on Missouri to Perth flight tickets

Qantas Airways

Feb 28

MCI1:58 pmKansas City

27h 47m

2 stops

PER7:45 amPerth

Mar 8

PER10:40 pmPerth

27h 28m

2 stops

MCI1:08 pmKansas City

$1,456

Qantas Airways

Feb 27

MCI6:13 pmKansas City

47h 32m

2 stops

PER7:45 amPerth

Mar 9

PER5:45 pmPerth

32h 23m

2 stops

MCI1:08 pmKansas City

$1,546

Qantas Airways

Mar 5

STL6:50 pmLambert-St Louis

59h 30m

2 stops

PER8:20 pmPerth

Mar 9

PER10:55 pmPerth

38h 03m

2 stops

STL11:58 pmLambert-St Louis

$1,850

Fly from

Fly to

Route

Depart

Return

Price

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Sat 2/28

1:58 pm-7:45 am

2 stops27h 47m

Perth

Sun 3/8

10:40 pm-1:08 pm

2 stops27h 28m

$1,456

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Fri 2/27

6:13 pm-7:45 am

2 stops47h 32m

Perth

Mon 3/9

5:45 pm-1:08 pm

2 stops32h 23m

$1,546

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Wed 7/8

7:15 am-6:50 am

2 stops34h 35m

Perth

Sat 7/25

12:10 am-11:44 pm

2 stops36h 34m

$1,656

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Thu 3/5

6:50 pm-10:55 pm

2 stops38h 05m

Perth

Mon 3/9

8:30 am-5:58 pm

2 stops46h 28m

$1,772

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Fri 2/27

7:18 pm-2:45 pm

2 stops29h 27m

Perth

Sun 3/8

11:45 pm-9:59 pm

3 stops35h 14m

$2,107

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Fri 2/27

9:12 am-3:55 pm

3 stops40h 43m

Perth

Sun 3/8

10:30 pm-4:19 pm

3 stops30h 49m

$2,195

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Wed 7/8

8:15 am-4:00 pm

3 stops42h 45m

Perth

Sun 7/26

7:50 pm-8:37 am

3 stops49h 47m

$2,344

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Sat 2/28

7:18 pm-2:45 pm

2 stops29h 27m

Perth

Sun 3/8

11:45 pm-11:15 pm

3 stops36h 30m

$2,382

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Wed 7/8

6:30 pm-4:00 pm

2 stops32h 30m

Perth

Sun 7/26

7:50 pm-8:37 am

3 stops49h 47m

$2,484

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Sat 2/28

1:50 pm-3:55 pm

3 stops36h 05m

Perth

Sun 3/8

10:30 pm-4:19 pm

3 stops30h 49m

$2,736

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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?

Qatar Airways 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	27h 47m
Direct flights	None

The fastest flight from Missouri to Perth takes 27h 47m

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 were last updated today.
How many operators does momondo search for flights from Missouri to Perth Airport?
As of February 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 7.5 984 reviews		Search Qantas Airways flights

Mandurah

Fremantle

Rottnest Island

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.