$625+ Cheap flights from Missouri to Australia
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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — SYD
Jul 15 — Jul 221
Round-trip
1 adult, Economy
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Cheapest flights from Missouri to AustraliaExplore the most affordable flight options available from Missouri to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
Explore the most affordable flight options available from Missouri to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
This oojo deal was found by Cheapflights users on 6/12. 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.
Sun 11/156:13 pm
STL
- SYD
2 stops33h 37m
Qantas Airways
Wed 11/2511:15 am
SYD
- STL
1 stop29h 27m
Qantas Airways
Deal found 6/12![Qantas Airways logo]()
$1,041
This oojo deal was found by Cheapflights users on 6/11. 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.
Mon 11/167:00 am
STL
- SYD
1 stop33h 00m
Qantas Airways
Sat 11/215:50 pm
SYD
- STL
2 stops35h 47m
Qantas Airways
Deal found 6/11![Qantas Airways logo]()
$1,042
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:45 pm
STL
- MEL
2 stops27h 00m
American Airlines
Mon 8/319:45 am
MEL
- STL
2 stops24h 14m
American Airlines
Deal found 6/12![American Airlines logo]()
$1,084
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:31 pm
MCI
- MEL
2 stops25h 59m
American Airlines
Mon 11/1611:15 pm
MEL
- MCI
2 stops26h 31m
American Airlines
Deal found 6/11![American Airlines logo]()
$1,084
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/252:18 pm
MCI
- MEL
2 stops25h 27m
American Airlines
Sat 8/19:45 am
MEL
- MCI
2 stops27h 12m
American Airlines
Deal found 6/10![American Airlines logo]()
$1,088
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:37 am
STL
- MEL
1 stop33h 08m
American Airlines
Sat 8/19:45 am
MEL
- STL
1 stop29h 14m
American Airlines
Deal found 6/10![American Airlines logo]()
$1,089
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 6/307:59 pm
MCI
- MEL
1 stop21h 16m
United Airlines
Fri 7/1010:55 am
MEL
- MCI
2 stops27h 30m
United Airlines
Deal found 6/14![United Airlines logo]()
$1,090
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 7/247:59 pm
MCI
- MEL
1 stop21h 16m
United Airlines
Fri 7/3110:55 am
MEL
- MCI
2 stops27h 30m
United Airlines
Deal found 6/11![United Airlines logo]()
$1,091
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:30 am
STL
- MEL
1 stop32h 15m
American Airlines
Tue 11/311:15 pm
MEL
- STL
2 stops26h 43m
American Airlines
Deal found 6/11![American Airlines logo]()
$1,093
This oojo deal was found by Cheapflights users on 6/15. 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 10/276:30 am
STL
- MEL
1 stop35h 00m
Qantas Airways
Wed 11/1111:15 pm
MEL
- STL
1 stop41h 27m
Qantas Airways
Deal found 6/15![Qantas Airways logo]()
$1,095
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/258:30 am
MCI
- MEL
2 stops32h 45m
United Airlines
Sun 8/29:30 am
MEL
- MCI
1 stop21h 15m
United Airlines
Deal found 6/11![United Airlines logo]()
$1,095
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:45 pm
MCI
- MEL
1 stop25h 05m
Delta
Mon 11/1612:00 pm
MEL
- MCI
1 stop28h 08m
Delta
Deal found 6/11![Delta logo]()
$1,098
Best flights from Missouri to AustraliaDiscover carefully curated flight deals from Missouri to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
Discover carefully curated flight deals from Missouri to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/251:14 pm
STL
- MEL
2 stops26h 31m
American Airlines
Sat 8/19:45 am
MEL
- STL
2 stops25h 08m
American Airlines
Deal found 6/10![American Airlines logo]()
$1,084
This United Airlines deal was found by Cheapflights users on 6/13. 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 7/257:59 pm
MCI
- MEL
1 stop21h 16m
United Airlines
Sat 8/110:55 am
MEL
- MCI
1 stop26h 36m
United Airlines
Deal found 6/13![United Airlines logo]()
$1,090
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:45 pm
MCI
- MEL
1 stop25h 05m
Delta
Mon 11/1612:00 pm
MEL
- MCI
1 stop19h 47m
Delta
Deal found 6/14![Delta logo]()
$1,098
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Mon 7/207:11 pm
MCI
- SYD
2 stops45h 09m
Air Canada
Sun 7/269:20 am
SYD
- MCI
2 stops29h 05m
Air Canada
Deal found 6/11![Air Canada logo]()
$1,169
This KAYAK deal was found by Cheapflights users on 6/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:13 pm
MCI
- SYD
2 stops46h 47m
Air New Zealand
Mon 9/2810:20 am
SYD
- MCI
2 stops21h 02m
Air New Zealand
Deal found 6/10![Air New Zealand logo]()
$1,317
This oojo deal was found by Cheapflights users on 6/13. 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 8/36:37 am
STL
- BNE
2 stops41h 08m
Qantas Airways
Mon 8/318:45 pm
BNE
- STL
2 stops41h 14m
Qantas Airways
Deal found 6/13![Qantas Airways logo]()
$1,404
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:40 pm
STL
- AVV
3 stops31h 30m
Multiple Airlines
Tue 11/36:00 am
AVV
- STL
3 stops50h 30m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$1,437
This Qatar Airways deal was found by Cheapflights users on 6/12. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:43 pm
COU
- MEL
2 stops42h 22m
Qatar Airways
Fri 8/2110:45 pm
MEL
- COU
2 stops37h 35m
Qatar Airways
Deal found 6/12![Qatar Airways logo]()
$2,116
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 7/266:00 am
MCI
- MEL
2 stops35h 15m
United Airlines
Wed 8/510:55 am
MEL
- MCI
2 stops24h 48m
United Airlines
Deal found 6/11![United Airlines logo]()
$1,109
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:23 pm
STL
- MEL
2 stops47h 27m
Delta
Wed 9/910:00 am
MEL
- STL
2 stops25h 35m
Delta
Deal found 6/14![Delta logo]()
$1,115
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 7/64:26 pm
MCI
- MEL
1 stop24h 04m
United Airlines
Sun 7/129:00 am
MEL
- MCI
2 stops52h 15m
United Airlines
Deal found 6/11![United Airlines logo]()
$1,111
This Delta deal was found by Cheapflights users on 6/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:55 pm
STL
- MEL
2 stops45h 55m
Delta
Fri 10/911:00 am
MEL
- STL
2 stops25h 37m
Delta
Deal found 6/13![Delta logo]()
$1,115
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/151:43 pm
MCI
- SYD
2 stops50h 37m
Air Canada
Wed 8/199:20 am
SYD
- MCI
2 stops29h 10m
Air Canada
Deal found 6/11![Air Canada logo]()
$1,243
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:15 pm
STL
- AVV
3 stops63h 00m
Multiple Airlines
Wed 11/116:00 am
AVV
- STL
3 stops50h 30m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,438
This KAYAK deal was found by Cheapflights users on 6/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:42 am
STL
- SYD
1 stop31h 13m
Air New Zealand
Mon 9/1410:20 am
SYD
- STL
1 stop23h 19m
Air New Zealand
Deal found 6/12![Air New Zealand logo]()
$1,457
This United Airlines deal was found by Cheapflights users on 6/14. 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 6/1911:25 am
MCI
- SYD
2 stops28h 30m
United Airlines
Fri 6/269:30 am
SYD
- MCI
2 stops22h 17m
United Airlines
Deal found 6/14![United Airlines logo]()
$1,262
This Air Canada deal was found by Cheapflights users on 6/15. 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.
Wed 9/2312:10 pm
STL
- SYD
2 stops28h 10m
Air Canada
Wed 10/710:20 am
SYD
- STL
2 stops24h 21m
Air Canada
Deal found 6/15![Air Canada logo]()
$1,403
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:07 am
MCI
- SYD
2 stops32h 43m
Delta
Wed 9/29:15 am
SYD
- MCI
1 stop24h 57m
Delta
Deal found 6/14![Delta logo]()
$1,315
This oojo deal was found by Cheapflights users on 6/15. 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 11/25:35 pm
MCI
- AVV
2 stops29h 15m
Qantas Airways
Mon 11/168:10 am
AVV
- MCI
2 stops25h 33m
Qantas Airways
Deal found 6/15![Qantas Airways logo]()
$1,646
This Air Canada deal was found by Cheapflights users on 6/13. 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 9/228:55 am
STL
- AVV
3 stops38h 15m
Multiple Airlines
Fri 10/96:00 am
AVV
- STL
3 stops48h 00m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$1,529
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 9/13:13 pm
STL
- MEL
2 stops26h 02m
United Airlines
Wed 9/910:55 am
MEL
- STL
1 stop22h 44m
United Airlines
Deal found 6/14![United Airlines logo]()
$1,275
This Orbitz deal was found by Cheapflights users on 6/13. 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.
Sun 9/1310:00 am
MCI
- SYD
3 stops30h 20m
Air Canada
Sat 9/199:20 am
SYD
- MCI
3 stops38h 38m
Air Canada
Deal found 6/13![Air Canada logo]()
$1,437
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 10/277:06 pm
STL
- MEL
1 stop21h 54m
United Airlines
Wed 11/1111:30 am
MEL
- STL
2 stops27h 36m
United Airlines
Deal found 6/14![United Airlines logo]()
$1,280
This Orbitz deal was found by Cheapflights users on 6/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:00 am
MCI
- SYD
2 stops34h 20m
Air Canada
Mon 9/289:20 am
SYD
- MCI
3 stops38h 47m
Air Canada
Deal found 6/10![Air Canada logo]()
$1,437
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:40 pm
STL
- AVV
3 stops34h 25m
Multiple Airlines
Mon 8/318:55 pm
AVV
- STL
3 stops38h 12m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$1,588
This Priceline deal was found by Cheapflights users on 6/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:37 am
STL
- CBR
2 stops43h 53m
Qantas Airways
Sat 8/89:35 am
CBR
- STL
2 stops23h 30m
Qantas Airways
Deal found 6/10![Qantas Airways logo]()
$1,787
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 9/14:40 pm
STL
- MEL
2 stops24h 35m
United Airlines
Thu 9/1010:55 am
MEL
- STL
2 stops25h 41m
United Airlines
Deal found 6/14![United Airlines logo]()
$1,280
This Air Canada deal was found by Cheapflights users on 6/13. 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 7/282:40 pm
STL
- BNE
3 stops30h 20m
Multiple Airlines
Tue 8/48:40 pm
BNE
- STL
3 stops38h 42m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$1,594
This Qatar Airways deal was found by Cheapflights users on 6/14. 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 8/1412:43 pm
COU
- MEL
2 stops42h 22m
Qatar Airways
Tue 8/1810:45 pm
MEL
- COU
2 stops37h 35m
Qatar Airways
Deal found 6/14![Qatar Airways logo]()
$2,156
This Air Canada deal was found by Cheapflights users on 6/13. 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 9/18:55 am
STL
- AVV
3 stops38h 15m
Multiple Airlines
Wed 9/98:55 pm
AVV
- STL
3 stops56h 05m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$1,625
Last-minute flights from Missouri to AustraliaDiscover last-minute flight deals from Missouri to Australia. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Australia. Data last updated June 15, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 6/307:59 pm
MCI
- MEL
1 stop21h 16m
United Airlines
Fri 7/1010:55 am
MEL
- MCI
2 stops27h 30m
United Airlines
Deal found 6/14![United Airlines logo]()
$1,090
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 7/64:26 pm
MCI
- MEL
1 stop24h 04m
United Airlines
Sun 7/129:00 am
MEL
- MCI
2 stops52h 15m
United Airlines
Deal found 6/11![United Airlines logo]()
$1,111
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 7/235:37 pm
MCI
- MEL
2 stops46h 53m
United Airlines
Sun 8/29:30 am
MEL
- MCI
1 stop21h 15m
United Airlines
Deal found 6/11![United Airlines logo]()
$1,110
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 7/238:30 am
MCI
- MEL
2 stops56h 45m
United Airlines
Sat 8/17:00 am
MEL
- MCI
2 stops30h 31m
United Airlines
Deal found 6/11![United Airlines logo]()
$1,131
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 7/247:59 pm
MCI
- MEL
1 stop21h 16m
United Airlines
Fri 7/3110:55 am
MEL
- MCI
2 stops27h 30m
United Airlines
Deal found 6/11![United Airlines logo]()
$1,091
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:05 am
MCI
- MEL
2 stops33h 45m
Delta
Fri 7/3110:00 am
MEL
- MCI
2 stops40h 48m
Delta
Deal found 6/11![Delta logo]()
$1,103
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 7/246:00 am
MCI
- MEL
2 stops34h 30m
United Airlines
Sat 8/17:00 am
MEL
- MCI
2 stops30h 31m
United Airlines
Deal found 6/11![United Airlines logo]()
$1,130
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/252:46 pm
STL
- MEL
2 stops24h 59m
American Airlines
Sat 8/19:45 am
MEL
- STL
1 stop29h 14m
American Airlines
Deal found 6/10![American Airlines logo]()
$1,084
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/252:18 pm
MCI
- MEL
2 stops25h 27m
American Airlines
Sat 8/19:45 am
MEL
- MCI
2 stops27h 12m
American Airlines
Deal found 6/10![American Airlines logo]()
$1,088
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/258:30 am
MCI
- MEL
2 stops32h 45m
United Airlines
Sun 8/29:30 am
MEL
- MCI
1 stop21h 15m
United Airlines
Deal found 6/11![United Airlines logo]()
$1,095
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 7/257:59 pm
MCI
- MEL
1 stop21h 16m
United Airlines
Sat 8/17:00 am
MEL
- MCI
2 stops30h 31m
United Airlines
Deal found 6/10![United Airlines logo]()
$1,112
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 7/266:00 am
MCI
- MEL
2 stops35h 15m
United Airlines
Mon 8/310:55 am
MEL
- MCI
2 stops36h 47m
United Airlines
Deal found 6/11![United Airlines logo]()
$1,109
One-way flights from Missouri to AustraliaSearch for one-way flight options from Missouri to Australia. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
Search for one-way flight options from Missouri to Australia. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:08 pm
STL
- SYD
2 stops44h 22m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$625
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:45 pm
MCI
- SYD
2 stops50h 45m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$643
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/267:10 pm
STL
- SYD
2 stops32h 40m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$706
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 9/111:15 am
STL
- MEL
2 stops30h 00m
United Airlines
Deal found 6/14![United Airlines logo]()
$710
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 7/267:23 pm
STL
- SYD
1 stop20h 32m
United Airlines
Deal found 6/11![United Airlines logo]()
$751
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 9/53:29 pm
MCI
- SYD
1 stop24h 26m
United Airlines
Deal found 6/12![United Airlines logo]()
$798
This Ovago deal was found by Cheapflights users on 6/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:55 am
STL
- SYD
1 stop31h 25m
Air New Zealand
Deal found 6/11![Air New Zealand logo]()
$801
This Air Canada deal was found by Cheapflights users on 6/14. 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 9/12:40 pm
STL
- AVV
3 stops34h 25m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,047
This Air Canada deal was found by Cheapflights users on 6/14. 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 9/12:40 pm
STL
- MEL
3 stops29h 40m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,053
This oojo deal was found by Cheapflights users on 6/14. 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 9/16:00 am
STL
- AVV
2 stops41h 20m
Qantas Airways
Deal found 6/14![Qantas Airways logo]()
$1,334
This American Airlines deal was found by Cheapflights users on 6/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
STL
- MEL
1 stop33h 45m
American Airlines
Deal found 6/14![American Airlines logo]()
$2,311
This Qantas Airways deal was found by Cheapflights users on 6/14. 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 9/15:11 pm
STL
- MEL
3 stops29h 39m
Qantas Airways
Deal found 6/14![Qantas Airways logo]()
$2,355
Find flight deals from Missouri to Australia
Keep the following information in mind while searching for Missouri to Australia flight deals. Data was last updated June 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,041 (oojo) |
One-way from | $625 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $1,560 |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri to Australia 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 June 15, 2026.
Use the filters below to find and compare flights from Missouri to Australia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisMelbourne
STL - MEL
STLMEL
Lambert-St Louis
Sat 7/25
1:14 pm-6:45 am
2 stops26h 31m
Melbourne
Sat 8/1
9:45 am-7:53 pm
2 stops25h 08m
$1,084
Kansas CityMelbourne
MCI - MEL
MCIMEL
Kansas City
Sat 7/25
7:59 pm-8:15 am
1 stop21h 16m
Melbourne
Sat 8/1
10:55 am-10:31 pm
1 stop26h 36m
$1,090
Quickest round-trip
Kansas CityMelbourne
MCI - MEL
MCIMEL
Kansas City
Mon 11/2
3:45 pm-9:50 am
1 stop25h 05m
Melbourne
Mon 11/16
12:00 pm-2:47 pm
1 stop19h 47m
$1,098
Kansas CityMelbourne
MCI - MEL
MCIMEL
Kansas City
Sun 7/26
6:00 am-8:15 am
2 stops35h 15m
Melbourne
Wed 8/5
10:55 am-8:43 pm
2 stops24h 48m
$1,109
Kansas CityMelbourne
MCI - MEL
MCIMEL
Kansas City
Mon 7/6
4:26 pm-7:30 am
1 stop24h 04m
Melbourne
Sun 7/12
9:00 am-10:15 pm
2 stops52h 15m
$1,111
St. LouisMelbourne
STL - MEL
STLMEL
Lambert-St Louis
Tue 9/1
5:23 pm-7:50 am
2 stops47h 27m
Melbourne
Wed 9/9
10:00 am-8:35 pm
2 stops25h 35m
$1,115
St. LouisMelbourne
STL - MEL
STLMEL
Lambert-St Louis
Tue 9/22
6:55 pm-7:50 am
2 stops45h 55m
Melbourne
Fri 10/9
11:00 am-8:37 pm
2 stops25h 37m
$1,115
Kansas CitySydney
MCI - SYD
MCISYD
Kansas City
Mon 7/20
7:11 pm-7:20 am
2 stops45h 09m
Sydney Kingsford Smith
Sun 7/26
9:20 am-11:25 pm
2 stops29h 05m
$1,169
Kansas CitySydney
MCI - SYD
MCISYD
Kansas City
Sat 8/15
1:43 pm-7:20 am
2 stops50h 37m
Sydney Kingsford Smith
Wed 8/19
9:20 am-11:30 pm
2 stops29h 10m
$1,243
Kansas CitySydney
MCI - SYD
MCISYD
Kansas City
Fri 6/19
11:25 am-6:55 am
2 stops28h 30m
Sydney Kingsford Smith
Fri 6/26
9:30 am-4:47 pm
2 stops22h 17m
$1,262
Showing 1-10 of 43 resultsSorted by cheapest first
Best time to book a flight from Missouri to Australia
Have a flexible travel schedule? Discover the best time to fly to Australia from Missouri with our price prediction graph.
STL-MEL
MCI-MEL
MCI-SYD
STL-BNE
STL-AVV
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 Australia
USMO-AU0
STL-MEL
MCI-MEL
MCI-SYD
STL-BNE
What is the cheapest month to book a flight from Missouri to Australia?
Currently, May is the cheapest month in which you can book a flight from Missouri to Australia (average of $310). Flying from Missouri to Australia in June is currently the most expensive (average of $1,144). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Related info for your journey
Find useful and relevant information for your journey from Missouri to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Missouri to Australia
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Australia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missouri to Australia by cabin class
Find flights from Missouri to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missouri and Australia flights
Browse other Missouri and Australia flight options. Last updated on June 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Australia
Find the right flight back to Missouri after your stay in Australia
Missouri to Australia flights
Consider these flights traveling from Missouri to Australia.
Fly to Australia regions
Consider these flights traveling to Australia regions.
Top 6 airlines flying from Missouri to Australia
Discover the top 6 airlines that operate flights from Missouri to Australia. 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 June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$857 | Average$1,445 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$894 | Average$1,001 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$917 | Average$1,435 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$917 | Average$1,423 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$962 | Average$1,371 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,265 | Average$1,314 | FlexibilityNo cancel fee | On-time74% |