$1,544+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PER
May 2 — May 91
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 April 2, 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 April 2, 2026.
This oojo deal was found by Cheapflights users on 3/31. 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.
Fri 9/186:41 am
STL
- PER
2 stops46h 54m
Qatar Airways
Tue 10/203:40 pm
PER
- STL
2 stops45h 19m
Qatar Airways
Deal found 3/31![Qatar Airways logo]()
$1,544
This oojo deal was found by Cheapflights users on 3/30. 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 9/66:41 am
STL
- PER
2 stops46h 54m
Qatar Airways
Fri 9/1110:45 pm
PER
- STL
2 stops38h 14m
Qatar Airways
Deal found 3/30![Qatar Airways logo]()
$1,548
This Qatar Airways deal was found by Cheapflights users on 3/31. 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 9/156:41 am
STL
- PER
2 stops46h 54m
Qatar Airways
Fri 10/2310:45 pm
PER
- STL
2 stops38h 14m
Qatar Airways
Deal found 3/31![Qatar Airways logo]()
$1,592
This Qatar Airways deal was found by Cheapflights users on 3/31. 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 9/196:41 am
STL
- PER
2 stops46h 54m
Qatar Airways
Tue 10/2010:45 pm
PER
- STL
2 stops38h 14m
Qatar Airways
Deal found 3/31![Qatar Airways logo]()
$1,632
This Qatar Airways deal was found by Cheapflights users on 3/31. 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 3/31![Qatar Airways logo]()
$1,632
This Qatar Airways deal was found by Cheapflights users on 3/31. 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 9/156:41 am
STL
- PER
2 stops46h 54m
Qatar Airways
Sat 10/1710:45 pm
PER
- STL
2 stops38h 14m
Qatar Airways
Deal found 3/31![Qatar Airways logo]()
$1,706
This Expedia deal was found by Cheapflights users on 3/30. 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.
Thu 5/147:41 pm
STL
- PER
2 stops57h 54m
Multiple Airlines
Thu 5/2110:45 pm
PER
- STL
2 stops38h 09m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$1,708
This Expedia deal was found by Cheapflights users on 3/29. 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.
Thu 5/147:55 pm
MCI
- PER
2 stops57h 40m
Multiple Airlines
Thu 5/2810:45 pm
PER
- MCI
2 stops38h 04m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$1,708
This Qatar Airways deal was found by Cheapflights users on 4/2. 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.
Thu 12/36:45 am
MCI
- PER
2 stops39h 10m
Qatar Airways
Fri 12/1110:45 pm
PER
- MCI
2 stops38h 51m
Qatar Airways
Deal found 4/2![Qatar Airways logo]()
$1,718
This Qatar Airways deal was found by Cheapflights users on 3/31. 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.
Fri 9/186:41 am
STL
- PER
2 stops46h 54m
Qatar Airways
Sat 10/1710:45 pm
PER
- STL
2 stops38h 14m
Qatar Airways
Deal found 3/31![Qatar Airways logo]()
$1,746
This Qatar Airways deal was found by Cheapflights users on 3/29. 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.
Thu 10/299:35 am
STL
- PER
2 stops44h 10m
Qatar Airways
Mon 11/210:45 pm
PER
- STL
2 stops34h 42m
Qatar Airways
Deal found 3/29![Qatar Airways logo]()
$2,028
This Qatar Airways deal was found by Cheapflights users on 3/31. 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 10/139:47 am
STL
- PER
2 stops43h 48m
Qatar Airways
Sat 10/1710:45 pm
PER
- STL
2 stops34h 23m
Qatar Airways
Deal found 3/31![Qatar Airways logo]()
$2,140
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 April 2, 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 April 2, 2026.
This Expedia deal was found by Cheapflights users on 3/29. 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.
Thu 5/147:55 pm
MCI
- PER
2 stops57h 40m
Multiple Airlines
Thu 5/2810:45 pm
PER
- MCI
2 stops38h 04m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$1,708
This KAYAK deal was found by Cheapflights users on 3/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/144:17 pm
MCI
- PER
2 stops31h 13m
Air New Zealand
Thu 5/2811:45 pm
PER
- MCI
3 stops33h 58m
Air New Zealand
Deal found 3/29![Air New Zealand logo]()
$2,161
This United Airlines deal was found by Cheapflights users on 4/1. 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 5/164:17 pm
MCI
- PER
2 stops31h 13m
United Airlines
Sat 5/231:15 pm
PER
- MCI
2 stops39h 30m
United Airlines
Deal found 4/1![United Airlines logo]()
$2,196
This Air Canada deal was found by Cheapflights users on 3/30. 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.
Thu 5/142:15 pm
STL
- PER
3 stops35h 40m
Multiple Airlines
Thu 5/2111:45 pm
PER
- STL
3 stops33h 24m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$2,186
This United Airlines deal was found by Cheapflights users on 3/30. 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 5/148:30 am
STL
- PER
2 stops39h 00m
United Airlines
Thu 5/2111:45 pm
PER
- STL
3 stops53h 01m
United Airlines
Deal found 3/30![United Airlines logo]()
$2,328
This Qantas Airways deal was found by Cheapflights users on 4/1. 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 5/164:30 pm
STL
- PER
3 stops32h 05m
Multiple Airlines
Sat 5/236:15 am
PER
- STL
2 stops25h 15m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$2,424
This BusinessClass deal was found by Cheapflights users on 4/2. 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.
Sun 5/174:44 pm
STL
- PER
3 stops30h 46m
Multiple Airlines
Sun 5/2411:55 pm
PER
- STL
2 stops31h 22m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$9,981
Last-minute flights from Missouri to PerthDiscover last-minute flight deals from Missouri to Perth. Data last updated April 2, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Perth. Data last updated April 2, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 3/30. 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.
Thu 5/147:41 pm
STL
- PER
2 stops57h 54m
Multiple Airlines
Thu 5/2110:45 pm
PER
- STL
2 stops38h 09m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$1,708
This Expedia deal was found by Cheapflights users on 3/29. 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.
Thu 5/147:55 pm
MCI
- PER
2 stops57h 40m
Multiple Airlines
Thu 5/2810:45 pm
PER
- MCI
2 stops38h 04m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$1,708
This KAYAK deal was found by Cheapflights users on 3/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/144:17 pm
MCI
- PER
2 stops31h 13m
Air New Zealand
Thu 5/2811:45 pm
PER
- MCI
3 stops33h 58m
Air New Zealand
Deal found 3/29![Air New Zealand logo]()
$2,161
This United Airlines deal was found by Cheapflights users on 3/30. 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 5/148:30 am
STL
- PER
2 stops39h 00m
United Airlines
Thu 5/2111:45 pm
PER
- STL
3 stops53h 01m
United Airlines
Deal found 3/30![United Airlines logo]()
$2,328
This oojo deal was found by Cheapflights users on 4/2. 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 5/166:21 am
STL
- PER
2 stops47h 49m
Qantas Airways
Sat 5/2312:25 pm
PER
- STL
2 stops48h 31m
Qantas Airways
Deal found 4/2![Qantas Airways logo]()
$2,023
This United Airlines deal was found by Cheapflights users on 4/1. 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 5/164:17 pm
MCI
- PER
2 stops31h 13m
United Airlines
Sat 5/231:15 pm
PER
- MCI
3 stops47h 10m
United Airlines
Deal found 4/1![United Airlines logo]()
$2,196
This United Airlines deal was found by Cheapflights users on 4/2. 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 5/168:30 am
STL
- PER
2 stops39h 00m
United Airlines
Sat 5/234:45 pm
PER
- STL
3 stops60h 01m
United Airlines
Deal found 4/2![United Airlines logo]()
$2,218
This Qantas Airways deal was found by Cheapflights users on 4/1. 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 5/164:30 pm
STL
- PER
3 stops32h 05m
Multiple Airlines
Sat 5/236:15 am
PER
- STL
2 stops25h 15m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$2,424
This Gotogate deal was found by Cheapflights users on 4/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/164:15 pm
STL
- PER
3 stops35h 45m
Air Canada
Sat 5/235:15 pm
PER
- STL
3 stops40h 28m
Air Canada
Deal found 4/2![Air Canada logo]()
$2,530
This BusinessClass deal was found by Cheapflights users on 4/2. 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.
Sun 5/176:11 pm
STL
- PER
2 stops35h 59m
Qantas Airways
Sun 5/2411:45 pm
PER
- STL
2 stops37h 11m
Qantas Airways
Deal found 4/2![Qantas Airways logo]()
$7,130
This BusinessClass deal was found by Cheapflights users on 4/2. 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.
Sun 5/174:44 pm
STL
- PER
3 stops30h 46m
Multiple Airlines
Sun 5/2411:55 pm
PER
- STL
2 stops31h 22m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$9,981
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 April 2, 2026.
Round-trip from | $1,544 (oojo) |
|---|
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 April 2, 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
Kansas CityPerth
MCI - PER
MCIPER
Kansas City
Thu 5/14
7:55 pm-6:35 pm
2 stops57h 40m
Perth
Thu 5/28
10:45 pm-11:49 pm
2 stops38h 04m
$1,708
Kansas CityPerth
MCI - PER
MCIPER
Kansas City
Thu 5/14
4:17 pm-12:30 pm
2 stops31h 13m
Perth
Thu 5/28
11:45 pm-8:43 pm
3 stops33h 58m
$2,161
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Thu 5/14
2:15 pm-2:55 pm
3 stops35h 40m
Perth
Thu 5/21
11:45 pm-8:09 pm
3 stops33h 24m
$2,186
Kansas CityPerth
MCI - PER
MCIPER
Kansas City
Sat 5/16
4:17 pm-12:30 pm
2 stops31h 13m
Perth
Sat 5/23
1:15 pm-3:45 pm
2 stops39h 30m
$2,196
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Thu 5/14
8:30 am-12:30 pm
2 stops39h 00m
Perth
Thu 5/21
11:45 pm-3:46 pm
3 stops53h 01m
$2,328
Quickest round-trip
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Sat 5/16
4:30 pm-1:35 pm
3 stops32h 05m
Perth
Sat 5/23
6:15 am-6:30 pm
2 stops25h 15m
$2,424
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Sun 5/17
4:44 pm-12:30 pm
3 stops30h 46m
Perth
Sun 5/24
11:55 pm-6:17 pm
2 stops31h 22m
$9,981
Sorted 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 April 2, 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 April 2, 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 April 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,545 | Average$1,932 | FlexibilityNo cancel fee | On-time74% |