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Cheap flights from Missouri to Perth from $727

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Perth departing on 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Qatar Airways Logo
6:00 am - 11:55 amSTL-PER
40h 55m2 stops
Qatar Airways Logo
10:45 pm - 11:59 pmPER-STL
38h 14m2 stops
$1,518Qatar Airways
Find Deal
sáb., sep. 13 - sáb., sep. 20
Air Canada Logo
4:40 pm - 12:55 pmSTL-PER
31h 15m3 stops
Air Canada Logo
11:55 pm - 8:46 pmPER-STL
33h 51m3 stops
$1,597Air Canada
Find Deal
vie., sep. 12 - vie., sep. 19
Qantas Airways Logo
3:59 pm - 3:25 pmSTL-PER
34h 26m2 stops
Qantas Airways Logo
10:00 am - 10:59 pmPER-STL
25h 59m2 stops
$1,620Qantas Airways
Find Deal
vie., sep. 12 - vie., sep. 19
Logo
4:19 pm - 11:55 amSTL-PER
30h 36m2 stops
Logo
5:15 pm - 11:53 pmPER-STL
43h 38m3 stops
$1,688
Find Deal
sáb., ago. 16 - mar., ago. 26
United Airlines Logo
5:59 pm - 2:40 pmMCI-PER
31h 41m2 stops
United Airlines Logo
5:15 pm - 5:18 pmPER-MCI
37h 03m2 stops
$1,708United Airlines
Find Deal
sáb., sep. 13 - sáb., sep. 20
Air Canada Logo
4:45 pm - 5:00 pmSTL-PER
35h 15m3 stops
Air Canada Logo
5:15 pm - 11:53 pmPER-STL
43h 38m3 stops
$1,789Air Canada
Find Deal
sáb., ago. 16 - mar., ago. 26
Qantas Airways Logo
6:45 am - 5:05 pmSTL-PER
45h 20m2 stops
Qantas Airways Logo
4:25 pm - 11:09 pmPER-STL
43h 44m2 stops
$1,808Qantas Airways
Find Deal
sáb., ago. 16 - mar., ago. 26
Cathay Pacific Logo
8:40 am - 6:55 amSTL-PER
32h 15m2 stops
Cathay Pacific Logo
8:30 am - 4:47 pmPER-STL
46h 17m2 stops
$1,881Cathay Pacific
Find Deal
jue., nov. 13 - lun., nov. 17
Cathay Pacific Logo
8:40 am - 6:55 amSTL-PER
32h 15m2 stops
Cathay Pacific Logo
8:30 am - 4:47 pmPER-STL
46h 17m2 stops
$1,882Cathay Pacific
Find Deal
jue., nov. 13 - lun., nov. 17
United Airlines Logo
5:59 pm - 12:30 pmMCI-PER
29h 31m2 stops
United Airlines Logo
11:45 pm - 9:42 pmPER-MCI
34h 57m3 stops
$1,937United Airlines
Find Deal
dom., sep. 14 - dom., sep. 21

United Airlines flights from Missouri to Perth

Our best United Airlines deals on Missouri to Perth flight tickets
United Airlines
Sep 13
MCI5:59 pmKansas City
31h 41m
2 stops
PER2:40 pmPerth
Sep 20
PER5:15 pmPerth
37h 03m
2 stops
MCI5:18 pmKansas City
$1,708
Find similar
United Airlines
Sep 14
MCI5:59 pmKansas City
29h 31m
2 stops
PER12:30 pmPerth
Sep 21
PER11:45 pmPerth
34h 57m
3 stops
MCI9:42 pmKansas City
$1,937
Find similar
United Airlines
Sep 13
MCI5:59 pmKansas City
31h 41m
2 stops
PER2:40 pmPerth
Sep 20
PER5:15 pmPerth
41h 27m
3 stops
MCI9:42 pmKansas City
$1,938
Find similar

Air Canada flights from Missouri to Perth

Our best Air Canada deals on Missouri to Perth flight tickets
Air Canada
Sep 12
STL4:40 pmLambert-St Louis
31h 15m
3 stops
PER12:55 pmPerth
Sep 19
PER11:55 pmPerth
33h 51m
3 stops
STL8:46 pmLambert-St Louis
$1,597
Find similar
Air Canada
Aug 16
STL4:45 pmLambert-St Louis
35h 15m
3 stops
PER5:00 pmPerth
Aug 26
PER5:15 pmPerth
43h 38m
3 stops
STL11:53 pmLambert-St Louis
$1,789
Find similar
Air Canada
Sep 13
STL4:05 pmLambert-St Louis
58h 40m
3 stops
PER3:45 pmPerth
Sep 20
PER1:15 pmPerth
43h 23m
3 stops
STL7:38 pmLambert-St Louis
$1,917
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to Perth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated julio 31, 2025.
Use the filters below to find and compare flights from Missouri to Perth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

sáb. 9/13

6:00 am-11:55 am

2 stops40h 55m

Perth

sáb. 9/20

10:45 pm-11:59 pm

2 stops38h 14m

$1,518

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

vie. 9/12

4:40 pm-12:55 pm

3 stops31h 15m

Perth

vie. 9/19

11:55 pm-8:46 pm

3 stops33h 51m

$1,597

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

vie. 9/12

3:59 pm-3:25 pm

2 stops34h 26m

Perth

vie. 9/19

10:00 am-10:59 pm

2 stops25h 59m

$1,620

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

sáb. 8/16

4:19 pm-11:55 am

2 stops30h 36m

Perth

mar. 8/26

5:15 pm-11:53 pm

3 stops43h 38m

$1,688

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

sáb. 9/13

5:59 pm-2:40 pm

2 stops31h 41m

Perth

sáb. 9/20

5:15 pm-5:18 pm

2 stops37h 03m

$1,708

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

sáb. 8/16

4:45 pm-5:00 pm

3 stops35h 15m

Perth

mar. 8/26

5:15 pm-11:53 pm

3 stops43h 38m

$1,789

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

sáb. 8/16

6:45 am-5:05 pm

2 stops45h 20m

Perth

mar. 8/26

4:25 pm-11:09 pm

2 stops43h 44m

$1,808

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

jue. 11/13

8:40 am-6:55 am

2 stops32h 15m

Perth

lun. 11/17

8:30 am-4:47 pm

2 stops46h 17m

$1,881

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

jue. 11/13

8:40 am-6:55 am

2 stops32h 15m

Perth

lun. 11/17

8:30 am-4:47 pm

2 stops46h 17m

$1,882

Kansas CityPerth

MCI - PER

MCIPER

Kansas City

dom. 9/14

5:59 pm-12:30 pm

2 stops29h 31m

Perth

dom. 9/21

11:45 pm-9:42 pm

3 stops34h 57m

$1,937

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Perth from

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

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

Best Price Found

$727

Fastest flight time

29h 31m

Direct flights

None

Airports in Perth

1 airport
The best one-way flight to Perth from Missouri in the past 72 hours is $727. The best round-trip flight deal from Missouri to Perth found on momondo in the last 72 hours is $1,518.
The fastest flight from Missouri to Perth takes 29h 31m
There are no direct flights from Missouri to Perth. Popular non-direct routes for this connection are Lambert-St Louis Airport - Perth Airport and Kansas City Airport - Perth Airport.
There is 1 airport near Perth: Perth (PER)
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.

Traveling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Mandurah
Fremantle
Scarborough
Rottnest Island
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.

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