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 May 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.

$1,593 Cheap Flights from Missouri to Perth in 2026

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Find the cheapest flights from Missouri to Perth

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:02 am - 11:55 am

STL

PER

40h 53m

2 stops

10:45 pm - 11:59 pm

PER

STL

38h 14m

2 stops

$1,593Multiple Airlines

Thu, Jun 11 - Wed, Jun 17

4:26 pm - 6:30 pm

MCI

PER

37h 04m

2 stops

11:45 pm - 3:45 pm

PER

MCI

29h 00m

2 stops

$1,604Multiple Airlines

Wed, Jul 1 - Wed, Jul 8

7:20 pm - 10:10 pm

STL

PER

61h 50m

2 stops

4:25 pm - 11:56 pm

PER

STL

44h 31m

2 stops

$1,675Qantas Airways

Fri, May 29 - Sat, Jun 6

2:15 pm - 1:35 pm

STL

PER

34h 20m

3 stops

1:15 pm - 11:57 pm

PER

STL

47h 42m

3 stops

$1,754Multiple Airlines

Mon, Jun 1 - Sat, Jun 6

7:23 pm - 12:30 pm

STL

PER

28h 07m

2 stops

11:45 pm - 4:33 pm

PER

STL

29h 48m

3 stops

$1,781Multiple Airlines

Fri, May 29 - Sat, Jun 6

7:23 pm - 12:30 pm

STL

PER

28h 07m

2 stops

4:45 pm - 3:46 pm

PER

STL

60h 01m

3 stops

$1,806United Airlines

Sat, Jun 13 - Sat, Jun 20

7:23 pm - 2:40 pm

STL

PER

30h 17m

2 stops

6:10 pm - 3:46 pm

PER

STL

58h 36m

3 stops

$1,849United Airlines

Thu, Jun 11 - Wed, Jun 17

4:26 pm - 11:40 am

MCI

PER

30h 14m

2 stops

6:10 pm - 11:25 pm

PER

MCI

42h 15m

3 stops

$2,108United Airlines

Wed, Jul 1 - Wed, Jul 8

2:15 pm - 9:40 pm

STL

PER

42h 25m

3 stops

4:05 pm - 12:16 pm

PER

STL

57h 11m

3 stops

$2,277Multiple Airlines

Mon, Jun 1 - Sat, Jun 6

5:24 pm - 3:45 pm

MCI

PER

33h 21m

3 stops

11:55 pm - 8:43 pm

PER

MCI

33h 48m

3 stops

$3,704Air Canada

Wed, Jul 1 - Wed, Jul 8

United Airlines flights from Missouri to Perth

Our best United Airlines deals on Missouri to Perth flight tickets

United Airlines

Jun 13

STL7:23 pmLambert-St Louis

28h 07m

2 stops

PER12:30 pmPerth

Jun 20

PER4:45 pmPerth

60h 01m

3 stops

STL3:46 pmLambert-St Louis

$1,806

United Airlines

Jun 11

STL7:23 pmLambert-St Louis

30h 17m

2 stops

PER2:40 pmPerth

Jun 17

PER6:10 pmPerth

58h 36m

3 stops

STL3:46 pmLambert-St Louis

$1,849

United Airlines

Jul 1

MCI4:26 pmKansas City

30h 14m

2 stops

PER11:40 amPerth

Jul 8

PER6:10 pmPerth

42h 15m

3 stops

MCI11:25 pmKansas City

$2,108

Air Canada flights from Missouri to Perth

Our best Air Canada deals on Missouri to Perth flight tickets

Air Canada

May 29

STL4:48 pmLambert-St Louis

33h 57m

3 stops

PER3:45 pmPerth

Jun 6

PER5:15 pmPerth

43h 42m

3 stops

STL11:57 pmLambert-St Louis

$2,629

Air Canada

Jul 1

MCI5:24 pmKansas City

33h 21m

3 stops

PER3:45 pmPerth

Jul 8

PER11:55 pmPerth

33h 48m

3 stops

MCI8:43 pmKansas City

$3,704

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Thu 6/11

6:02 am-11:55 am

2 stops40h 53m

Perth

Wed 6/17

10:45 pm-11:59 pm

2 stops38h 14m

$1,593

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Wed 7/1

4:26 pm-6:30 pm

2 stops37h 04m

Perth

Wed 7/8

11:45 pm-3:45 pm

2 stops29h 00m

$1,604

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Fri 5/29

7:20 pm-10:10 pm

2 stops61h 50m

Perth

Sat 6/6

4:25 pm-11:56 pm

2 stops44h 31m

$1,675

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 6/1

2:15 pm-1:35 pm

3 stops34h 20m

Perth

Sat 6/6

1:15 pm-11:57 pm

3 stops47h 42m

$1,754

Quickest round-trip

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Fri 5/29

7:23 pm-12:30 pm

2 stops28h 07m

Perth

Sat 6/6

11:45 pm-4:33 pm

3 stops29h 48m

$1,781

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sat 6/13

7:23 pm-12:30 pm

2 stops28h 07m

Perth

Sat 6/20

4:45 pm-3:46 pm

3 stops60h 01m

$1,806

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Thu 6/11

7:23 pm-2:40 pm

2 stops30h 17m

Perth

Wed 6/17

6:10 pm-3:46 pm

3 stops58h 36m

$1,849

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Wed 7/1

4:26 pm-11:40 am

2 stops30h 14m

Perth

Wed 7/8

6:10 pm-11:25 pm

3 stops42h 15m

$2,108

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 6/1

2:15 pm-9:40 pm

3 stops42h 25m

Perth

Sat 6/6

4:05 pm-12:16 pm

3 stops57h 11m

$2,277

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Wed 7/1

5:24 pm-3:45 pm

3 stops33h 21m

Perth

Wed 7/8

11:55 pm-8:43 pm

3 stops33h 48m

$3,704

Flights are sorted by cheapest round-trip flights first.

Sorted 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

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 28h 07m on average, while flying from Kansas City to Perth is 29h 41m on average. Perth is the most popular airport in 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 were last updated today.
How many operators does momondo search for flights from Missouri to Perth Airport?
As of May 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 1,037 reviews		Search Qantas Airways flights

Rottnest Island

Mandurah

Fremantle

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.