$1,503+ Cheap flights from Missouri to Perth (PER)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PER
Apr 28 — May 51
Round-trip
1 adult, Economy
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Best
Last-minute
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 March 29, 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 March 29, 2026.
This oojo deal was found by Cheapflights users on 3/26. 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.
Tue 10/136:41 am
STL
- PER
2 stops46h 54m
Qatar Airways
Tue 10/2710:45 pm
PER
- STL
2 stops38h 14m
Qatar Airways
Deal found 3/26![Qatar Airways logo]()
$1,503
This Qatar Airways deal was found by Cheapflights users on 3/26. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:41 am
STL
- PER
2 stops46h 54m
Qatar Airways
Mon 10/2610:45 pm
PER
- STL
2 stops38h 14m
Qatar Airways
Deal found 3/26![Qatar Airways logo]()
$1,593
This Sembo deal was found by Cheapflights users on 3/26. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/104:46 pm
STL
- PER
2 stops60h 49m
Multiple Airlines
Sun 5/173:40 pm
PER
- STL
2 stops45h 14m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$1,616
This Qatar Airways deal was found by Cheapflights users on 3/26. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:41 am
STL
- PER
2 stops46h 54m
Qatar Airways
Sun 10/2510:45 pm
PER
- STL
2 stops38h 14m
Qatar Airways
Deal found 3/26![Qatar Airways logo]()
$1,633
This Qatar Airways deal was found by Cheapflights users on 3/26. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:45 am
MCI
- PER
2 stops47h 00m
Qatar Airways
Wed 11/410:45 pm
PER
- MCI
2 stops38h 51m
Qatar Airways
Deal found 3/26![Qatar Airways logo]()
$1,633
This Sembo deal was found by Cheapflights users on 3/24. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:00 am
STL
- PER
2 stops46h 35m
Multiple Airlines
Sat 5/1610:45 pm
PER
- STL
2 stops38h 09m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$1,703
This Qatar Airways deal was found by Cheapflights users on 3/26. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:41 am
STL
- PER
2 stops46h 54m
Qatar Airways
Sat 10/2410:45 pm
PER
- STL
2 stops38h 14m
Qatar Airways
Deal found 3/26![Qatar Airways logo]()
$1,707
This Jetabroad deal was found by Cheapflights users on 3/25. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:00 am
MCI
- PER
2 stops39h 55m
Multiple Airlines
Sat 5/1610:45 pm
PER
- MCI
2 stops38h 04m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$1,760
This oojo deal was found by Cheapflights users on 3/25. 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.
Wed 7/82:35 pm
MCI
- PER
2 stops32h 40m
Qantas Airways
Wed 7/226:25 am
PER
- MCI
2 stops25h 37m
Qantas Airways
Deal found 3/25![Qantas Airways logo]()
$1,858
This Qantas Airways deal was found by Cheapflights users on 3/25. 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 6/156:35 am
STL
- PER
2 stops45h 25m
Qantas Airways
Fri 7/311:45 pm
PER
- STL
2 stops31h 49m
Qantas Airways
Deal found 3/25![Qantas Airways logo]()
$1,927
This Qantas Airways deal was found by Cheapflights users on 3/25. 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 6/156:35 am
STL
- PER
2 stops45h 25m
Qantas Airways
Thu 7/210:30 am
PER
- STL
2 stops26h 29m
Qantas Airways
Deal found 3/25![Qantas Airways logo]()
$1,955
This Air Canada deal was found by Cheapflights users on 3/26. 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.
Tue 10/132:40 pm
STL
- PER
3 stops34h 15m
Multiple Airlines
Tue 10/272:45 pm
PER
- STL
3 stops61h 45m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$1,964
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 March 29, 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 March 29, 2026.
This Sembo deal was found by Cheapflights users on 3/26. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/104:46 pm
STL
- PER
2 stops60h 49m
Multiple Airlines
Sun 5/173:40 pm
PER
- STL
2 stops45h 14m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$1,616
This Qantas Airways deal was found by Cheapflights users on 3/25. 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 6/216:35 am
STL
- PER
2 stops40h 30m
Qantas Airways
Sun 6/2811:45 pm
PER
- STL
2 stops31h 48m
Qantas Airways
Deal found 3/25![Qantas Airways logo]()
$1,927
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Mon 5/114:17 pm
MCI
- PER
2 stops30h 23m
United Airlines
Mon 5/1810:40 pm
PER
- MCI
3 stops38h 19m
United Airlines
Deal found 3/27![United Airlines logo]()
$2,118
This BYOjet deal was found by Cheapflights users on 3/25. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/92:59 pm
MCI
- PER
3 stops41h 56m
Air New Zealand
Sat 5/164:25 pm
PER
- MCI
3 stops43h 05m
Air New Zealand
Deal found 3/25![Air New Zealand logo]()
$2,226
This Jetabroad deal was found by Cheapflights users on 3/25. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:00 am
MCI
- PER
2 stops39h 55m
Multiple Airlines
Sat 5/1610:45 pm
PER
- MCI
2 stops38h 04m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$1,760
This Qantas Airways deal was found by Cheapflights users on 3/25. 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 6/216:35 am
STL
- PER
2 stops50h 20m
Qantas Airways
Wed 7/16:25 am
PER
- STL
2 stops26h 11m
Qantas Airways
Deal found 3/25![Qantas Airways logo]()
$1,927
This Qantas Airways deal was found by Cheapflights users on 3/25. 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 6/206:35 am
STL
- PER
2 stops40h 30m
Qantas Airways
Sat 7/46:15 am
PER
- STL
2 stops25h 19m
Qantas Airways
Deal found 3/25![Qantas Airways logo]()
$1,978
This United Airlines deal was found by Cheapflights users on 3/24. 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 5/87:06 pm
STL
- PER
2 stops28h 49m
United Airlines
Fri 5/1511:45 pm
PER
- STL
2 stops31h 37m
United Airlines
Deal found 3/24![United Airlines logo]()
$2,219
This Qantas Airways deal was found by Cheapflights users on 3/25. 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.
Fri 6/197:23 pm
STL
- PER
2 stops50h 52m
Qantas Airways
Tue 6/3011:45 pm
PER
- STL
2 stops32h 51m
Qantas Airways
Deal found 3/25![Qantas Airways logo]()
$1,982
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Thu 6/187:23 pm
STL
- PER
2 stops30h 17m
United Airlines
Wed 7/111:45 pm
PER
- STL
3 stops53h 01m
United Airlines
Deal found 3/24![United Airlines logo]()
$2,258
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Thu 6/187:23 pm
STL
- PER
2 stops30h 17m
United Airlines
Sat 7/44:45 pm
PER
- STL
3 stops60h 01m
United Airlines
Deal found 3/25![United Airlines logo]()
$2,265
This Priceline deal was found by Cheapflights users on 3/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:38 am
STL
- PER
2 stops35h 12m
Multiple Airlines
Wed 4/810:35 pm
PER
- STL
2 stops36h 49m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$3,003
Last-minute flights from Missouri to PerthDiscover last-minute flight deals from Missouri to Perth. Data last updated March 29, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Perth. Data last updated March 29, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 3/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:38 am
STL
- PER
2 stops35h 12m
Multiple Airlines
Wed 4/810:35 pm
PER
- STL
2 stops36h 49m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$3,003
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 March 29, 2026.
Round-trip from | $1,616 (Sembo) |
|---|
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 March 29, 2026.
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
Cheapest round-trip
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Sun 5/10
4:46 pm-6:35 pm
2 stops60h 49m
Perth
Sun 5/17
3:40 pm-11:54 pm
2 stops45h 14m
$1,616
Kansas CityPerth
MCI - PER
MCIPER
Kansas City
Sat 5/9
7:00 am-11:55 am
2 stops39h 55m
Perth
Sat 5/16
10:45 pm-11:49 pm
2 stops38h 04m
$1,760
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Sun 6/21
6:35 am-12:05 pm
2 stops40h 30m
Perth
Sun 6/28
11:45 pm-6:33 pm
2 stops31h 48m
$1,927
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Sun 6/21
6:35 am-9:55 pm
2 stops50h 20m
Perth
Wed 7/1
6:25 am-7:36 pm
2 stops26h 11m
$1,927
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Sat 6/20
6:35 am-12:05 pm
2 stops40h 30m
Perth
Sat 7/4
6:15 am-6:34 pm
2 stops25h 19m
$1,978
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Fri 6/19
7:23 pm-11:15 am
2 stops50h 52m
Perth
Tue 6/30
11:45 pm-7:36 pm
2 stops32h 51m
$1,982
Kansas CityPerth
MCI - PER
MCIPER
Kansas City
Mon 5/11
4:17 pm-11:40 am
2 stops30h 23m
Perth
Mon 5/18
10:40 pm-11:59 pm
3 stops38h 19m
$2,118
Quickest round-trip
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Fri 5/8
7:06 pm-12:55 pm
2 stops28h 49m
Perth
Fri 5/15
11:45 pm-6:22 pm
2 stops31h 37m
$2,219
Kansas CityPerth
MCI - PER
MCIPER
Kansas City
Sat 5/9
2:59 pm-9:55 pm
3 stops41h 56m
Perth
Sat 5/16
4:25 pm-10:30 pm
3 stops43h 05m
$2,226
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Thu 6/18
7:23 pm-2:40 pm
2 stops30h 17m
Perth
Wed 7/1
11:45 pm-3:46 pm
3 stops53h 01m
$2,258
Showing 1-10 of 12 resultsSorted by cheapest first
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.
STL-PER
MCI-PER
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Missouri to Perth
USMO-PER
STL-PER
MCI-PER
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Missouri to Perth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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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Complete your trip
Complete your trip to Perth by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missouri to Perth by cabin class
Find flights from Missouri to Perth, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missouri and Perth flights
Browse other Missouri and Perth flight options. Last updated on March 29, 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 March 29, 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 March 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,545 | Average$1,932 | FlexibilityNo cancel fee | On-time74% |