$870+ 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 6/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PER
Jun 7 — Jun 141
Round-trip
1 adult, Economy
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Last-minute
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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 May 8, 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 May 8, 2026.
This oojo deal was found by Cheapflights users on 5/4. 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 10/126:13 am
MCI
- PER
2 stops47h 22m
Qatar Airways
Mon 10/2610:45 pm
PER
- MCI
2 stops38h 14m
Qatar Airways
Deal found 5/4![Qatar Airways logo]()
$1,472
This oojo deal was found by Cheapflights users on 5/4. 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 8/186:02 am
STL
- PER
2 stops47h 33m
Qatar Airways
Sun 9/2010:45 pm
PER
- STL
2 stops38h 14m
Qatar Airways
Deal found 5/4![Qatar Airways logo]()
$1,587
This oojo deal was found by Cheapflights users on 5/6. 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 5/196:21 am
STL
- PER
2 stops45h 39m
Qantas Airways
Tue 5/2611:45 pm
PER
- STL
2 stops32h 51m
Qantas Airways
Deal found 5/6![Qantas Airways logo]()
$1,696
This Cathay Pacific deal was found by Cheapflights users on 5/5. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:16 am
STL
- PER
2 stops47h 24m
Multiple Airlines
Sun 9/2012:10 am
PER
- STL
2 stops31h 28m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,826
This BusinessClass deal was found by Cheapflights users on 5/6. 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.
Tue 8/186:00 am
STL
- PER
2 stops35h 50m
Cathay Pacific
Sun 9/2012:10 am
PER
- STL
2 stops34h 50m
Cathay Pacific
Deal found 5/6![Cathay Pacific logo]()
$1,854
This Jetabroad deal was found by Cheapflights users on 5/4. 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.
Mon 10/126:13 am
MCI
- PER
2 stops35h 37m
Multiple Airlines
Mon 10/268:30 am
PER
- MCI
3 stops42h 47m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,970
This oojo deal was found by Cheapflights users on 5/4. 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 12/307:00 am
STL
- PER
2 stops45h 45m
Qatar Airways
Mon 1/410:45 pm
PER
- STL
2 stops39h 14m
Qatar Airways
Deal found 5/4![Qatar Airways logo]()
$2,125
This SmartFares deal was found by Cheapflights users on 5/6. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/207:56 pm
STL
- PER
2 stops57h 39m
Multiple Airlines
Sat 6/2710:45 pm
PER
- STL
2 stops38h 14m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$2,132
This United Airlines deal was found by Cheapflights users on 5/6. 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 5/207:00 am
MCI
- PER
2 stops42h 40m
United Airlines
Sat 5/231:15 pm
PER
- MCI
2 stops46h 00m
United Airlines
Deal found 5/6![United Airlines logo]()
$2,234
This Cathay Pacific deal was found by Cheapflights users on 5/3. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:30 am
STL
- PER
2 stops51h 25m
Cathay Pacific
Tue 10/2712:25 am
PER
- STL
2 stops30h 39m
Cathay Pacific
Deal found 5/3![Cathay Pacific logo]()
$2,252
This United Airlines deal was found by Cheapflights users on 5/6. 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 5/217:59 pm
MCI
- PER
2 stops29h 41m
United Airlines
Wed 5/276:10 pm
PER
- MCI
3 stops42h 15m
United Airlines
Deal found 5/6![United Airlines logo]()
$2,321
This United Airlines deal was found by Cheapflights users on 5/6. 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 6/207:59 pm
MCI
- PER
2 stops29h 41m
United Airlines
Sat 6/271:15 pm
PER
- MCI
2 stops39h 34m
United Airlines
Deal found 5/6![United Airlines logo]()
$2,658
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 May 8, 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 May 8, 2026.
This Cathay Pacific deal was found by Cheapflights users on 5/5. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:16 am
STL
- PER
2 stops47h 24m
Multiple Airlines
Sun 9/2012:10 am
PER
- STL
2 stops31h 28m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,826
This United Airlines deal was found by Cheapflights users on 5/6. 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 5/207:00 am
MCI
- PER
2 stops42h 40m
United Airlines
Sat 5/231:15 pm
PER
- MCI
3 stops47h 10m
United Airlines
Deal found 5/6![United Airlines logo]()
$2,234
This Cathay Pacific deal was found by Cheapflights users on 5/3. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:30 am
STL
- PER
2 stops51h 25m
Cathay Pacific
Tue 10/2712:25 am
PER
- STL
2 stops30h 39m
Cathay Pacific
Deal found 5/3![Cathay Pacific logo]()
$2,252
This United Airlines deal was found by Cheapflights users on 5/6. 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 5/217:59 pm
MCI
- PER
2 stops29h 41m
United Airlines
Wed 5/276:10 pm
PER
- MCI
3 stops42h 15m
United Airlines
Deal found 5/6![United Airlines logo]()
$2,321
This Qantas Airways deal was found by Cheapflights users on 5/4. 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 8/1812:45 pm
STL
- PER
3 stops33h 30m
Multiple Airlines
Sun 9/2010:30 am
PER
- STL
2 stops25h 32m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$2,615
This United Airlines deal was found by Cheapflights users on 5/6. 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 6/207:59 pm
MCI
- PER
2 stops29h 41m
United Airlines
Sat 6/271:15 pm
PER
- MCI
3 stops47h 10m
United Airlines
Deal found 5/6![United Airlines logo]()
$2,923
This Air New Zealand deal was found by Cheapflights users on 5/6. 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.
Tue 5/198:46 am
STL
- PER
3 stops42h 14m
Multiple Airlines
Tue 5/267:50 pm
PER
- STL
3 stops41h 07m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$2,981
This United Airlines deal was found by Cheapflights users on 5/4. 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 6/187:59 pm
MCI
- PER
2 stops29h 41m
United Airlines
Thu 6/2511:55 pm
PER
- MCI
2 stops35h 36m
United Airlines
Deal found 5/4![United Airlines logo]()
$3,347
Last-minute flights from Missouri to PerthDiscover last-minute flight deals from Missouri to Perth. Data last updated May 8, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Perth. Data last updated May 8, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 5/6. 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 5/196:21 am
STL
- PER
2 stops45h 39m
Qantas Airways
Tue 5/2611:45 pm
PER
- STL
2 stops32h 51m
Qantas Airways
Deal found 5/6![Qantas Airways logo]()
$1,696
This Qantas Airways deal was found by Cheapflights users on 5/6. 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 5/193:38 pm
STL
- PER
3 stops32h 57m
Multiple Airlines
Tue 5/2610:30 am
PER
- STL
2 stops26h 26m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$2,651
This United Airlines deal was found by Cheapflights users on 5/6. 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 5/207:00 am
MCI
- PER
2 stops42h 40m
United Airlines
Sat 5/231:15 pm
PER
- MCI
2 stops46h 00m
United Airlines
Deal found 5/6![United Airlines logo]()
$2,234
This United Airlines deal was found by Cheapflights users on 5/6. 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 5/217:59 pm
MCI
- PER
2 stops29h 41m
United Airlines
Wed 5/273:30 pm
PER
- MCI
2 stops43h 45m
United Airlines
Deal found 5/6![United Airlines logo]()
$2,321
This Orbitz deal was found by Cheapflights users on 5/5. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:24 pm
STL
- PER
2 stops46h 26m
Multiple Airlines
Thu 6/118:20 am
PER
- STL
2 stops64h 46m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$5,512
This BusinessClass deal was found by Cheapflights users on 5/5. 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.
Thu 6/410:45 am
STL
- PER
3 stops43h 25m
Qantas Airways
Thu 6/1111:45 pm
PER
- STL
3 stops37h 12m
Qantas Airways
Deal found 5/5![Qantas Airways logo]()
$9,823
This United Airlines deal was found by Cheapflights users on 5/4. 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 6/187:59 pm
MCI
- PER
2 stops29h 41m
United Airlines
Thu 6/2511:55 pm
PER
- MCI
2 stops35h 36m
United Airlines
Deal found 5/4![United Airlines logo]()
$3,347
This SmartFares deal was found by Cheapflights users on 5/6. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/207:56 pm
STL
- PER
2 stops57h 39m
Multiple Airlines
Sat 6/2710:45 pm
PER
- STL
2 stops38h 14m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$2,132
This United Airlines deal was found by Cheapflights users on 5/6. 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 6/207:59 pm
MCI
- PER
2 stops29h 41m
United Airlines
Sat 6/271:15 pm
PER
- MCI
2 stops39h 34m
United Airlines
Deal found 5/6![United Airlines logo]()
$2,658
This Jetabroad deal was found by Cheapflights users on 5/6. 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 6/2011:10 am
STL
- PER
3 stops39h 15m
Air New Zealand
Sat 6/274:25 pm
PER
- STL
2 stops38h 52m
Air New Zealand
Deal found 5/6![Air New Zealand logo]()
$2,967
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 May 8, 2026.
Search for one-way flight options from Missouri to Perth. Find affordable one-way fares based on user searches. Data last updated May 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/207:19 pm
STL
- PER
3 stops58h 11m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$870
This oojo deal was found by Cheapflights users on 5/6. 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 6/206:35 am
STL
- PER
2 stops39h 40m
Qantas Airways
Deal found 5/6![Qantas Airways logo]()
$1,065
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 May 8, 2026.
Round-trip from | $1,472 (oojo) |
|---|---|
One-way from | $870 (Kiwi.com) |
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 May 8, 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
Tue 8/18
10:16 am-10:40 pm
2 stops47h 24m
Perth
Sun 9/20
12:10 am-6:38 pm
2 stops31h 28m
$1,826
Kansas CityPerth
MCI - PER
MCIPER
Kansas City
Wed 5/20
7:00 am-2:40 pm
2 stops42h 40m
Perth
Sat 5/23
1:15 pm-11:25 pm
3 stops47h 10m
$2,234
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Sat 10/24
6:30 am-10:55 pm
2 stops51h 25m
Perth
Tue 10/27
12:25 am-6:04 pm
2 stops30h 39m
$2,252
Kansas CityPerth
MCI - PER
MCIPER
Kansas City
Thu 5/21
7:59 pm-2:40 pm
2 stops29h 41m
Perth
Wed 5/27
6:10 pm-11:25 pm
3 stops42h 15m
$2,321
Quickest round-trip
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Tue 8/18
12:45 pm-11:15 am
3 stops33h 30m
Perth
Sun 9/20
10:30 am-11:02 pm
2 stops25h 32m
$2,615
Kansas CityPerth
MCI - PER
MCIPER
Kansas City
Sat 6/20
7:59 pm-2:40 pm
2 stops29h 41m
Perth
Sat 6/27
1:15 pm-11:25 pm
3 stops47h 10m
$2,923
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Tue 5/19
8:46 am-4:00 pm
3 stops42h 14m
Perth
Tue 5/26
7:50 pm-11:57 pm
3 stops41h 07m
$2,981
Kansas CityPerth
MCI - PER
MCIPER
Kansas City
Thu 6/18
7:59 pm-2:40 pm
2 stops29h 41m
Perth
Thu 6/25
11:55 pm-10:31 pm
2 stops35h 36m
$3,347
Cheapest one-way
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Sat 6/20
7:19 pm-6:30 pm
3 stops58h 11m
$870
Quickest one-way
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Sat 6/20
6:35 am-11:15 am
2 stops39h 40m
$1,065
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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Alternative routes for Missouri to Perth
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Complete your trip
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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 May 8, 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 May 8, 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 May 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,545 | Average$1,924 | FlexibilityNo cancel fee | On-time74% |