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

Qantas Airways and United Airlines are the most popular carriers operating from Missouri to Perth

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 31h 43m on average, while flying from Kansas City to Perth is 32h 20m 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 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.

$854 Cheap Flights from Missouri to Perth in 2025/26

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Find the cheapest flights from Missouri to Perth

Round-trip

One-way

Last minute

Cheap round-trip flights

2:15 pm - 6:45 pmSTL-PER

39h 30m2 stops

10:45 pm - 11:59 pmPER-STL

39h 14m2 stops

$1,519Qatar Airways

Find Deal

Wed, Oct 29 - Sun, Nov 2

10:13 am - 6:45 pmSTL-PER

43h 32m2 stops

10:45 pm - 11:56 pmPER-STL

39h 11m2 stops

$1,547Qatar Airways

Find Deal

Fri, Oct 31 - Fri, Nov 7

2:17 pm - 12:00 pmSTL-PER

31h 43m2 stops

10:45 pm - 11:59 pmPER-STL

39h 14m2 stops

$1,579Qatar Airways

Find Deal

Sun, Nov 2 - Sun, Nov 9

7:00 am - 10:55 pmSTL-PER

49h 55m2 stops

12:25 am - 10:58 pmPER-STL

36h 33m2 stops

$1,582Cathay Pacific

Find Deal

Thu, Nov 13 - Sun, Nov 16

7:00 am - 10:55 pmSTL-PER

49h 55m2 stops

12:25 am - 10:58 pmPER-STL

36h 33m2 stops

$1,583Cathay Pacific

Find Deal

Thu, Nov 13 - Sun, Nov 16

5:09 pm - 9:15 pmSTL-PER

39h 06m2 stops

10:40 pm - 5:08 pmPER-STL

32h 28m2 stops

$1,601Qantas Airways

Find Deal

Sat, Nov 1 - Sat, Nov 8

5:09 pm - 9:15 pmSTL-PER

39h 06m2 stops

10:40 pm - 5:08 pmPER-STL

32h 28m3 stops

$1,727Qantas Airways

Find Deal

Sat, Nov 1 - Sat, Nov 8

5:29 pm - 6:15 pmSTL-PER

34h 46m2 stops

10:55 pm - 10:22 pmPER-STL

37h 27m3 stops

$1,912Air New Zealand

Find Deal

Sun, Nov 2 - Sun, Nov 9

9:35 am - 6:40 pmSTL-PER

44h 05m2 stops

3:00 pm - 7:48 pmPER-STL

41h 48m3 stops

$1,974Multiple Airlines

Find Deal

Wed, Oct 15 - Wed, Oct 22

4:35 pm - 9:40 pmSTL-PER

40h 05m2 stops

10:40 pm - 10:22 pmPER-STL

37h 42m3 stops

$1,980Multiple Airlines

Find Deal

Fri, Oct 31 - Fri, Nov 7

Qantas Airways flights from Missouri to Perth

Our best Qantas Airways deals on Missouri to Perth flight tickets

Qantas Airways

Nov 1

STL5:09 pmLambert-St Louis

39h 06m

2 stops

PER9:15 pmPerth

Nov 8

PER10:40 pmPerth

32h 28m

2 stops

STL5:08 pmLambert-St Louis

$1,601

Find similar

Qantas Airways

Nov 1

STL5:09 pmLambert-St Louis

39h 06m

2 stops

PER9:15 pmPerth

Nov 8

PER10:40 pmPerth

32h 28m

3 stops

STL5:08 pmLambert-St Louis

$1,727

Find similar

Qantas Airways

Nov 13

STL7:00 amLambert-St Louis

41h 15m

2 stops

PER2:15 pmPerth

Nov 17

PER7:30 amPerth

30h 12m

2 stops

STL11:42 pmLambert-St Louis

$1,898

Find similar

United Airlines flights from Missouri to Perth

Our best United Airlines deals on Missouri to Perth flight tickets

United Airlines

Nov 1

MCI5:10 pmKansas City

32h 20m

3 stops

PER2:30 pmPerth

Nov 8

PER4:45 pmPerth

37h 52m

2 stops

MCI4:37 pmKansas City

$2,059

Find similar

United Airlines

Mar 6

MCI3:50 pmKansas City

34h 05m

2 stops

PER3:55 pmPerth

Mar 9

PER11:45 pmPerth

34h 50m

3 stops

MCI9:35 pmKansas City

$2,061

Find similar

United Airlines

Nov 1

MCI5:10 pmKansas City

32h 20m

3 stops

PER2:30 pmPerth

Nov 8

PER3:15 pmPerth

44h 35m

3 stops

MCI9:50 pmKansas City

$2,249

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Wed 10/29

2:15 pm-6:45 pm

2 stops39h 30m

Perth

Sun 11/2

10:45 pm-11:59 pm

2 stops39h 14m

$1,519

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Fri 10/31

10:13 am-6:45 pm

2 stops43h 32m

Perth

Fri 11/7

10:45 pm-11:56 pm

2 stops39h 11m

$1,547

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sun 11/2

2:17 pm-12:00 pm

2 stops31h 43m

Perth

Sun 11/9

10:45 pm-11:59 pm

2 stops39h 14m

$1,579

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Thu 11/13

7:00 am-10:55 pm

2 stops49h 55m

Perth

Sun 11/16

12:25 am-10:58 pm

2 stops36h 33m

$1,582

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Thu 11/13

7:00 am-10:55 pm

2 stops49h 55m

Perth

Sun 11/16

12:25 am-10:58 pm

2 stops36h 33m

$1,583

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sat 11/1

5:09 pm-9:15 pm

2 stops39h 06m

Perth

Sat 11/8

10:40 pm-5:08 pm

2 stops32h 28m

$1,601

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sat 11/1

5:09 pm-9:15 pm

2 stops39h 06m

Perth

Sat 11/8

10:40 pm-5:08 pm

3 stops32h 28m

$1,727

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sun 11/2

5:29 pm-6:15 pm

2 stops34h 46m

Perth

Sun 11/9

10:55 pm-10:22 pm

3 stops37h 27m

$1,912

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Wed 10/15

9:35 am-6:40 pm

2 stops44h 05m

Perth

Wed 10/22

3:00 pm-7:48 pm

3 stops41h 48m

$1,974

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Fri 10/31

4:35 pm-9:40 pm

2 stops40h 05m

Perth

Fri 11/7

10:40 pm-10:22 pm

3 stops37h 42m

$1,980

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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

Prices

Airlines

Other information

What is the cheapest day to depart on your flight to Perth?

The cheapest day to depart on your flight to Perth is on a Thursday when prices can be found for as low as $1,649. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Perth is Wednesday, with ticket prices averaging around $1,955.

What is the cheapest time of day to depart on your flight to Perth?

At noon is the cheapest time of day to fly from Missouri to Perth when you can find flight prices for as low as $1,804. Flying to Perth at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $3,392. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Missouri to Perth flight deals and tips

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

Direct flights	None

There are no direct flights from Missouri to Perth. There are no popular flight routes from Missouri to Perth.

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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 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.

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.