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 Kansas City to Perth is 29h 13m on average, while flying from St. Louis to Perth is 48h 15m 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.

$863 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.

11:05 am - 6:55 am

STL

PER

29h 50m2 stops

12:25 am - 6:14 pm

PER

STL

31h 49m2 stops

$6,876Cathay Pacific

Sat, Jan 31 - Sun, Feb 8

5:12 pm - 6:15 pm

STL

PER

35h 03m2 stops

5:45 pm - 5:05 pm

PER

STL

37h 20m2 stops

$7,042Qantas Airways

Wed, Jan 28 - Thu, Feb 12

11:05 am - 10:55 pm

STL

PER

45h 50m2 stops

12:25 am - 6:14 pm

PER

STL

31h 49m2 stops

$7,139Cathay Pacific

Mon, Feb 2 - Sun, Feb 8

5:12 pm - 9:15 pm

STL

PER

38h 03m2 stops

5:45 pm - 11:59 pm

PER

STL

44h 14m2 stops

$7,236Qantas Airways

Wed, Jan 28 - Sun, Feb 8

5:04 pm - 10:55 pm

STL

PER

39h 51m2 stops

8:30 am - 11:59 pm

PER

STL

29h 29m2 stops

$7,372Cathay Pacific

Fri, Jan 30 - Mon, Feb 9

11:55 am - 9:15 pm

STL

PER

43h 20m2 stops

5:45 pm - 5:05 pm

PER

STL

37h 20m2 stops

$7,424Qantas Airways

Fri, Jan 30 - Thu, Feb 12

5:04 pm - 6:15 pm

STL

PER

35h 11m2 stops

5:45 pm - 5:05 pm

PER

STL

37h 20m2 stops

$7,542Qantas Airways

Thu, Jan 29 - Thu, Feb 12

7:04 am - 9:15 pm

STL

PER

48h 11m2 stops

5:45 pm - 5:05 pm

PER

STL

37h 20m2 stops

$7,617Qantas Airways

Sun, Feb 1 - Thu, Feb 12

11:05 am - 10:55 pm

STL

PER

45h 50m2 stops

8:30 am - 6:14 pm

PER

STL

47h 44m2 stops

$7,688Cathay Pacific

Tue, Feb 3 - Sun, Feb 8

5:12 pm - 6:15 pm

STL

PER

35h 03m2 stops

6:00 am - 11:59 pm

PER

STL

31h 59m2 stops

$7,736Qantas Airways

Wed, Jan 28 - Sat, Feb 7

Qatar Airways flights from Missouri to Perth

Our best Qatar Airways deals on Missouri to Perth flight tickets

Qatar Airways

Dec 24

STL7:00 amLambert-St Louis

38h 55m

2 stops

PER11:55 amPerth

Jan 4

PER3:55 pmPerth

46h 04m

2 stops

STL11:59 pmLambert-St Louis

$3,202

Find similar

Qatar Airways

Feb 3

STL9:33 amLambert-St Louis

43h 12m

2 stops

PER6:45 pmPerth

Feb 6

PER10:45 pmPerth

61h 59m

2 stops

STL10:44 pmLambert-St Louis

$10,204

Find similar

Qantas Airways flights from Missouri to Perth

Our best Qantas Airways deals on Missouri to Perth flight tickets

Qantas Airways

Dec 24

STL3:30 pmLambert-St Louis

35h 50m

2 stops

PER5:20 pmPerth

Jan 4

PER10:40 pmPerth

63h 19m

3 stops

STL11:59 pmLambert-St Louis

$3,812

Find similar

Qantas Airways

Jan 28

STL5:12 pmLambert-St Louis

35h 03m

2 stops

PER6:15 pmPerth

Feb 12

PER5:45 pmPerth

37h 20m

2 stops

STL5:05 pmLambert-St Louis

$7,042

Find similar

Qantas Airways

Jan 28

STL5:12 pmLambert-St Louis

35h 03m

2 stops

PER6:15 pmPerth

Feb 11

PER10:20 amPerth

27h 39m

2 stops

STL11:59 pmLambert-St Louis

$7,236

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sat 1/31

11:05 am-6:55 am

2 stops29h 50m

Perth

Sun 2/8

12:25 am-6:14 pm

2 stops31h 49m

$6,876

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Wed 1/28

5:12 pm-6:15 pm

2 stops35h 03m

Perth

Thu 2/12

5:45 pm-5:05 pm

2 stops37h 20m

$7,042

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 2/2

11:05 am-10:55 pm

2 stops45h 50m

Perth

Sun 2/8

12:25 am-6:14 pm

2 stops31h 49m

$7,139

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Wed 1/28

5:12 pm-9:15 pm

2 stops38h 03m

Perth

Sun 2/8

5:45 pm-11:59 pm

2 stops44h 14m

$7,236

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Fri 1/30

5:04 pm-10:55 pm

2 stops39h 51m

Perth

Mon 2/9

8:30 am-11:59 pm

2 stops29h 29m

$7,372

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Fri 1/30

11:55 am-9:15 pm

2 stops43h 20m

Perth

Thu 2/12

5:45 pm-5:05 pm

2 stops37h 20m

$7,424

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Thu 1/29

5:04 pm-6:15 pm

2 stops35h 11m

Perth

Thu 2/12

5:45 pm-5:05 pm

2 stops37h 20m

$7,542

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sun 2/1

7:04 am-9:15 pm

2 stops48h 11m

Perth

Thu 2/12

5:45 pm-5:05 pm

2 stops37h 20m

$7,617

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Tue 2/3

11:05 am-10:55 pm

2 stops45h 50m

Perth

Sun 2/8

8:30 am-6:14 pm

2 stops47h 44m

$7,688

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Wed 1/28

5:12 pm-6:15 pm

2 stops35h 03m

Perth

Sat 2/7

6:00 am-11:59 pm

2 stops31h 59m

$7,736

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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

Fastest flight time	29h 13m
Direct flights	None

The fastest flight from Missouri to Perth takes 29h 13m

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 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.