$843+ Cheap flights from Missouri to Perth (PER)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PER
Mar 15 — Mar 221
1 adult, Economy
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Cheapest flights from Missouri to PerthExplore the most affordable flight options available from Missouri to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.
Explore the most affordable flight options available from Missouri to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.
This Trip.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:33 pm
MCI
- PER
2 stops38h 57m
Multiple Airlines
Tue 4/2811:45 pm
PER
- MCI
2 stops32h 36m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,426
This FlightHub deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/92:33 pm
MCI
- PER
2 stops29h 17m
Qantas Airways
Wed 6/106:30 am
PER
- MCI
2 stops25h 25m
Qantas Airways
Deal found 2/11![Qantas Airways logo]()
$1,531
This BusinessClass deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:00 am
MCI
- PER
2 stops50h 40m
Multiple Airlines
Mon 6/88:20 am
PER
- MCI
2 stops47h 45m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$1,603
This Expedia deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:59 pm
MCI
- PER
2 stops38h 56m
Multiple Airlines
Wed 6/101:45 pm
PER
- MCI
2 stops47h 10m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$1,662
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:13 pm
STL
- PER
2 stops35h 07m
Qantas Airways
Thu 3/1910:45 pm
PER
- STL
2 stops33h 44m
Qantas Airways
Deal found 2/10![Qantas Airways logo]()
$1,671
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/284:13 pm
STL
- PER
2 stops27h 37m
Qantas Airways
Sat 4/42:50 pm
PER
- STL
2 stops46h 08m
Qantas Airways
Deal found 2/10![Qantas Airways logo]()
$1,705
This oojo deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:00 am
STL
- PER
2 stops45h 45m
Qatar Airways
Thu 3/1910:45 pm
PER
- STL
2 stops50h 59m
Qatar Airways
Deal found 2/12![Qatar Airways logo]()
$1,748
This Qantas Airways deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:50 pm
STL
- PER
2 stops55h 25m
Qantas Airways
Mon 3/95:00 pm
PER
- STL
2 stops37h 13m
Qantas Airways
Deal found 2/9![Qantas Airways logo]()
$1,762
This Qantas Airways deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:36 am
STL
- PER
2 stops50h 19m
Qantas Airways
Mon 7/1310:30 am
PER
- STL
2 stops26h 29m
Qantas Airways
Deal found 2/10![Qantas Airways logo]()
$1,779
This Air New Zealand deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/207:30 am
STL
- PER
3 stops43h 30m
Multiple Airlines
Fri 7/107:50 pm
PER
- STL
2 stops37h 48m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,792
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/206:36 am
STL
- PER
2 stops40h 29m
Qantas Airways
Fri 7/1011:45 pm
PER
- STL
2 stops37h 14m
Qantas Airways
Deal found 2/10![Qantas Airways logo]()
$1,802
This Qantas Airways deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:36 am
STL
- PER
2 stops50h 19m
Qantas Airways
Fri 7/1011:45 pm
PER
- STL
2 stops37h 14m
Qantas Airways
Deal found 2/10![Qantas Airways logo]()
$1,811
Best flights from Missouri to PerthDiscover carefully curated flight deals from Missouri to Perth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
Discover carefully curated flight deals from Missouri to Perth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
This Trip.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:33 pm
MCI
- PER
2 stops38h 57m
Multiple Airlines
Tue 4/2811:45 pm
PER
- MCI
2 stops32h 36m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,426
This FlightHub deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/92:33 pm
MCI
- PER
2 stops29h 17m
Qantas Airways
Wed 6/106:30 am
PER
- MCI
2 stops25h 25m
Qantas Airways
Deal found 2/11![Qantas Airways logo]()
$1,531
This oojo deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:00 am
STL
- PER
2 stops45h 45m
Qatar Airways
Thu 3/1910:45 pm
PER
- STL
2 stops50h 59m
Qatar Airways
Deal found 2/12![Qatar Airways logo]()
$1,748
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/84:26 pm
MCI
- PER
2 stops31h 04m
United Airlines
Wed 7/2211:45 pm
PER
- MCI
3 stops36h 42m
United Airlines
Deal found 2/12![United Airlines logo]()
$2,107
This BusinessClass deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:00 am
MCI
- PER
2 stops50h 40m
Multiple Airlines
Mon 6/88:20 am
PER
- MCI
2 stops47h 45m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$1,603
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/284:13 pm
STL
- PER
2 stops27h 37m
Qantas Airways
Sat 4/42:50 pm
PER
- STL
2 stops46h 08m
Qantas Airways
Deal found 2/10![Qantas Airways logo]()
$1,705
This Expedia deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:59 pm
MCI
- PER
2 stops38h 56m
Multiple Airlines
Wed 6/101:45 pm
PER
- MCI
2 stops47h 10m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$1,662
This Qantas Airways deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:50 pm
STL
- PER
2 stops55h 25m
Qantas Airways
Mon 3/95:00 pm
PER
- STL
2 stops37h 13m
Qantas Airways
Deal found 2/9![Qantas Airways logo]()
$1,762
This Qantas Airways deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:36 am
STL
- PER
2 stops50h 19m
Qantas Airways
Sat 7/1110:30 am
PER
- STL
2 stops26h 29m
Qantas Airways
Deal found 2/10![Qantas Airways logo]()
$1,779
This Qantas Airways deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:36 am
STL
- PER
2 stops50h 19m
Qantas Airways
Tue 7/710:30 am
PER
- STL
2 stops26h 29m
Qantas Airways
Deal found 2/10![Qantas Airways logo]()
$1,779
This Qantas Airways deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/92:33 pm
MCI
- PER
3 stops32h 42m
Multiple Airlines
Wed 6/106:30 am
PER
- MCI
2 stops28h 30m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$2,144
This Qantas Airways deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:36 am
STL
- PER
2 stops50h 19m
Qantas Airways
Tue 7/710:30 am
PER
- STL
2 stops26h 29m
Qantas Airways
Deal found 2/10![Qantas Airways logo]()
$1,779
This Qantas Airways deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/226:36 am
STL
- PER
2 stops43h 04m
Qantas Airways
Mon 7/1310:30 am
PER
- STL
2 stops26h 29m
Qantas Airways
Deal found 2/10![Qantas Airways logo]()
$1,779
This Qantas Airways deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:36 am
STL
- PER
2 stops52h 19m
Qantas Airways
Sat 7/1110:30 am
PER
- STL
2 stops26h 29m
Qantas Airways
Deal found 2/10![Qantas Airways logo]()
$1,779
This Qantas Airways deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/226:36 am
STL
- PER
2 stops43h 04m
Qantas Airways
Tue 7/710:30 am
PER
- STL
2 stops26h 29m
Qantas Airways
Deal found 2/10![Qantas Airways logo]()
$1,779
This Qantas Airways deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/226:36 am
STL
- PER
2 stops43h 04m
Qantas Airways
Sat 7/1110:30 am
PER
- STL
2 stops26h 29m
Qantas Airways
Deal found 2/10![Qantas Airways logo]()
$1,779
This Qantas Airways deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/86:13 pm
MCI
- PER
2 stops48h 32m
Qantas Airways
Wed 3/115:45 pm
PER
- MCI
2 stops36h 32m
Qantas Airways
Deal found 2/10![Qantas Airways logo]()
$1,918
Last-minute flights from Missouri to PerthDiscover last-minute flight deals from Missouri to Perth. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Perth. Data last updated February 13, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:13 pm
STL
- PER
2 stops35h 07m
Qantas Airways
Thu 3/1910:45 pm
PER
- STL
2 stops33h 44m
Qantas Airways
Deal found 2/10![Qantas Airways logo]()
$1,671
This oojo deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:00 am
STL
- PER
2 stops45h 45m
Qatar Airways
Thu 3/1910:45 pm
PER
- STL
2 stops50h 59m
Qatar Airways
Deal found 2/12![Qatar Airways logo]()
$1,748
This Air Canada deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:05 pm
STL
- PER
3 stops55h 45m
Multiple Airlines
Thu 3/1910:40 pm
PER
- STL
3 stops53h 49m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,962
This Qantas Airways deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:50 pm
STL
- PER
2 stops55h 25m
Qantas Airways
Mon 3/95:00 pm
PER
- STL
2 stops37h 13m
Qantas Airways
Deal found 2/9![Qantas Airways logo]()
$1,762
This Qantas Airways deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/86:13 pm
MCI
- PER
2 stops48h 32m
Qantas Airways
Wed 3/115:45 pm
PER
- MCI
2 stops36h 32m
Qantas Airways
Deal found 2/10![Qantas Airways logo]()
$1,918
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/85:30 pm
MCI
- PER
2 stops28h 50m
United Airlines
Wed 3/1111:45 pm
PER
- MCI
3 stops36h 30m
United Airlines
Deal found 2/9![United Airlines logo]()
$2,755
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/276:51 am
STL
- PER
2 stops41h 04m
United Airlines
Fri 4/35:55 pm
PER
- STL
2 stops37h 29m
United Airlines
Deal found 2/10![United Airlines logo]()
$2,831
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/284:13 pm
STL
- PER
2 stops27h 37m
Qantas Airways
Sat 4/42:50 pm
PER
- STL
2 stops46h 08m
Qantas Airways
Deal found 2/10![Qantas Airways logo]()
$1,705
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/285:30 pm
MCI
- PER
2 stops32h 15m
United Airlines
Sat 4/43:00 pm
PER
- MCI
2 stops44h 29m
United Airlines
Deal found 2/11![United Airlines logo]()
$2,163
This Air Canada deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/284:05 pm
STL
- PER
3 stops56h 50m
Multiple Airlines
Sat 4/411:45 pm
PER
- STL
3 stops52h 39m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$2,812
One-way flights from Missouri to PerthSearch for one-way flight options from Missouri to Perth. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
Search for one-way flight options from Missouri to Perth. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
This Ovago deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/12:49 pm
MCI
- PER
2 stops61h 56m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$843
This oojo deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/11:58 pm
MCI
- PER
2 stops43h 52m
Qantas Airways
Deal found 2/11![Qantas Airways logo]()
$933
This oojo deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/11:58 pm
MCI
- PER
2 stops32h 22m
Qatar Airways
Deal found 2/9![Qatar Airways logo]()
$1,013
Find flight deals from Missouri to Perth
Keep the following information in mind while searching for Missouri to Perth flight deals. Data was last updated February 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,426 (Trip.com) |
One-way from | $843 (Ovago) |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Missouri to Perth that are best for you.
Fly from
Missouri
Fly to
Perth
Route
Depart
Return
Price
Kansas CityPerth
MCI - PER
MCIPER
Kansas City
Fri 4/24
2:33 pm-6:30 pm
2 stops38h 57m
Perth
Tue 4/28
11:45 pm-7:21 pm
2 stops32h 36m
$1,426
Kansas CityPerth
MCI - PER
MCIPER
Kansas City
Sat 5/9
2:33 pm-8:50 am
2 stops29h 17m
Perth
Wed 6/10
6:30 am-6:55 pm
2 stops25h 25m
$1,531
Kansas CityPerth
MCI - PER
MCIPER
Kansas City
Sat 5/9
7:00 am-10:40 pm
2 stops50h 40m
Perth
Mon 6/8
8:20 am-7:05 pm
2 stops47h 45m
$1,603
Kansas CityPerth
MCI - PER
MCIPER
Kansas City
Wed 5/13
7:59 pm-11:55 pm
2 stops38h 56m
Perth
Wed 6/10
1:45 pm-11:55 pm
2 stops47h 10m
$1,662
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Sat 3/28
4:13 pm-8:50 am
2 stops27h 37m
Perth
Sat 4/4
2:50 pm-11:58 pm
2 stops46h 08m
$1,705
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Mon 3/2
7:00 am-6:45 pm
2 stops45h 45m
Perth
Thu 3/19
10:45 pm-12:44 pm
2 stops50h 59m
$1,748
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Thu 3/5
6:50 pm-4:15 pm
2 stops55h 25m
Perth
Mon 3/9
5:00 pm-5:13 pm
2 stops37h 13m
$1,762
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Sun 6/21
6:36 am-9:55 pm
2 stops50h 19m
Perth
Sat 7/11
10:30 am-11:59 pm
2 stops26h 29m
$1,779
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Tue 6/23
6:36 am-9:55 pm
2 stops50h 19m
Perth
Tue 7/7
10:30 am-11:59 pm
2 stops26h 29m
$1,779
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Sun 6/21
6:36 am-9:55 pm
2 stops50h 19m
Perth
Tue 7/7
10:30 am-11:59 pm
2 stops26h 29m
$1,779
Showing 1-10 of 20 results
Best time to book a flight from Missouri to Perth
Have a flexible travel schedule? Discover the best time to fly to Perth from Missouri with our price prediction graph.
MCI-PER
STL-PER
Estimated round-trip price
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Cheapflights Insights
Everything you need to know about your flight from Missouri to Perth
USMO-PER
MCI-PER
STL-PER
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Traveling to a place near Perth?
Book flights to Perth if you plan to visit one of these locationsRottnest Island
Scarborough
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Alternative routes for Missouri to Perth
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Complete your trip
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Missouri and Perth flights
Browse other Missouri and Perth flight options. Last updated on February 13, 2026.
Other flights to Perth
Explore flights to Perth departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Missouri to Perth
Discover the top airline that operate flights from Missouri to Perth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,545 | Average$1,932 | FlexibilityNo cancel fee | On-time74% |