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 16m on average, while flying from Kansas City to Perth is 32h 26m on average. Perth is the most popular airport in Perth.

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

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.

$1,145 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

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:50 am - 7:45 amSTL-PER

34h 55m2 stops

12:10 am - 10:29 pmPER-STL

35h 19m2 stops

$1,469Cathay Pacific

Find Deal

Fri, May 1 - Fri, May 8

7:00 am - 11:55 amSTL-PER

39h 55m2 stops

10:45 pm - 11:55 pmPER-STL

38h 10m2 stops

$1,541Qatar Airways

Find Deal

Fri, May 1 - Sat, May 9

4:05 pm - 2:55 pmSTL-PER

57h 50m3 stops

3:30 pm - 7:30 pmPER-STL

41h 00m3 stops

$1,573Multiple Airlines

Find Deal

Fri, May 1 - Sat, May 9

9:44 am - 12:25 pmMCI-PER

36h 41m2 stops

10:20 am - 11:38 amPER-MCI

38h 18m2 stops

$1,865American Airlines

Find Deal

Fri, Mar 6 - Mon, Mar 9

7:25 am - 2:45 pmMCI-PER

41h 20m2 stops

11:45 pm - 11:17 pmPER-MCI

36h 32m3 stops

$2,053United Airlines

Find Deal

Fri, Mar 6 - Mon, Mar 9

7:25 am - 2:45 pmMCI-PER

41h 20m2 stops

11:45 pm - 11:17 pmPER-MCI

36h 32m3 stops

$2,054United Airlines

Find Deal

Fri, Mar 6 - Mon, Mar 9

7:06 pm - 12:30 pmSTL-PER

28h 24m2 stops

3:30 pm - 3:21 pmPER-STL

60h 51m3 stops

$2,171United Airlines

Find Deal

Fri, May 1 - Sat, May 9

6:55 am - 8:20 pmSTL-PER

47h 25m2 stops

3:20 pm - 11:51 pmPER-STL

46h 31m2 stops

$2,491Qantas Airways

Find Deal

Sun, Dec 14 - Sun, Dec 21

1:20 pm - 7:45 amSTL-PER

28h 25m2 stops

3:20 pm - 5:10 pmPER-STL

39h 50m2 stops

$2,536Qantas Airways

Find Deal

Tue, Dec 16 - Sun, Dec 21

6:44 pm - 8:15 amSTL-PER

71h 31m2 stops

10:40 pm - 11:51 pmPER-STL

39h 11m2 stops

$3,079Multiple Airlines

Find Deal

Sat, Dec 20 - Sat, Dec 27

United Airlines flights from Missouri to Perth

Our best United Airlines deals on Missouri to Perth flight tickets

United Airlines

Mar 6

MCI7:25 amKansas City

41h 20m

2 stops

PER2:45 pmPerth

Mar 9

PER11:45 pmPerth

36h 32m

3 stops

MCI11:17 pmKansas City

$2,053

Find similar

United Airlines

Mar 6

MCI7:25 amKansas City

41h 20m

2 stops

PER2:45 pmPerth

Mar 9

PER11:45 pmPerth

36h 32m

3 stops

MCI11:17 pmKansas City

$2,054

Find similar

United Airlines

May 1

STL7:06 pmLambert-St Louis

28h 24m

2 stops

PER12:30 pmPerth

May 9

PER3:30 pmPerth

60h 51m

3 stops

STL3:21 pmLambert-St Louis

$2,171

Find similar

Cathay Pacific flights from Missouri to Perth

Our best Cathay Pacific deals on Missouri to Perth flight tickets

Cathay Pacific

May 1

STL7:50 amLambert-St Louis

34h 55m

2 stops

PER7:45 amPerth

May 8

PER12:10 amPerth

35h 19m

2 stops

STL10:29 pmLambert-St Louis

$1,469

Find similar

Cathay Pacific

Nov 13

STL7:00 amLambert-St Louis

33h 55m

2 stops

PER6:55 amPerth

Nov 16

PER12:25 amPerth

36h 33m

2 stops

STL10:58 pmLambert-St Louis

$1,652

Find similar

Cathay Pacific

Nov 13

STL8:39 amLambert-St Louis

32h 16m

2 stops

PER6:55 amPerth

Nov 17

PER8:30 amPerth

46h 17m

2 stops

STL4:47 pmLambert-St Louis

$2,012

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Fri 5/1

7:50 am-7:45 am

2 stops34h 55m

Perth

Fri 5/8

12:10 am-10:29 pm

2 stops35h 19m

$1,469

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Fri 5/1

7:00 am-11:55 am

2 stops39h 55m

Perth

Sat 5/9

10:45 pm-11:55 pm

2 stops38h 10m

$1,541

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Fri 5/1

4:05 pm-2:55 pm

3 stops57h 50m

Perth

Sat 5/9

3:30 pm-7:30 pm

3 stops41h 00m

$1,573

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Fri 3/6

9:44 am-12:25 pm

2 stops36h 41m

Perth

Mon 3/9

10:20 am-11:38 am

2 stops38h 18m

$1,865

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Fri 3/6

7:25 am-2:45 pm

2 stops41h 20m

Perth

Mon 3/9

11:45 pm-11:17 pm

3 stops36h 32m

$2,053

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

Fri 3/6

7:25 am-2:45 pm

2 stops41h 20m

Perth

Mon 3/9

11:45 pm-11:17 pm

3 stops36h 32m

$2,054

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Fri 5/1

7:06 pm-12:30 pm

2 stops28h 24m

Perth

Sat 5/9

3:30 pm-3:21 pm

3 stops60h 51m

$2,171

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sun 12/14

6:55 am-8:20 pm

2 stops47h 25m

Perth

Sun 12/21

3:20 pm-11:51 pm

2 stops46h 31m

$2,491

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Tue 12/16

1:20 pm-7:45 am

2 stops28h 25m

Perth

Sun 12/21

3:20 pm-5:10 pm

2 stops39h 50m

$2,536

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sat 12/20

6:44 pm-8:15 am

2 stops71h 31m

Perth

Sat 12/27

10:40 pm-11:51 pm

2 stops39h 11m

$3,079

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

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.