$586+ Cheap flights from Missouri to Sydney (SYD)
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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SYD
Oct 12 — Oct 191
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 SydneyExplore the most affordable flight options available from Missouri to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
Explore the most affordable flight options available from Missouri to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
This Qantas Airways deal was found by Cheapflights users on 9/7. 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 11/82:50 pm -
1 stop23h 05m
Thu 11/127:15 pm -
2 stops38h 12m
Deal found 9/7![Qantas Airways logo]()
$1,173
This FlightHub deal was found by Cheapflights users on 9/8. 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 11/911:00 am -
2 stops28h 35m
Tue 11/247:25 pm -
2 stops43h 50m
Deal found 9/8![Air New Zealand logo]()
$1,257
This oojo deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:20 pm -
1 stop21h 35m
Mon 11/22:05 pm -
1 stop19h 22m
Deal found 9/10![Qantas Airways logo]()
$1,290
This FlightHub deal was found by Cheapflights users on 9/7. 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.
Sun 10/187:08 am -
2 stops46h 42m
Sun 11/89:55 am -
2 stops29h 31m
Deal found 9/7![Air New Zealand logo]()
$1,305
This United Airlines deal was found by Cheapflights users on 9/7. 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 11/228:30 am -
1 stop29h 30m
Mon 12/79:20 am -
1 stop19h 16m
Deal found 9/7![United Airlines logo]()
$1,310
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 10/265:20 pm -
2 stops23h 40m
Mon 11/211:15 am -
2 stops22h 12m
Deal found 9/10![American Airlines logo]()
$1,311
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/148:15 am -
1 stop31h 40m
Wed 10/2111:20 am -
1 stop21h 04m
Deal found 9/10![United Airlines logo]()
$1,321
This oojo deal was found by Cheapflights users on 9/7. 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 10/2112:47 pm -
1 stop26h 08m
Wed 10/281:05 pm -
1 stop19h 58m
Deal found 9/7![Qantas Airways logo]()
$1,327
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/211:29 pm -
2 stops26h 26m
Wed 10/289:15 am -
1 stop20h 58m
Deal found 9/7![United Airlines logo]()
$1,330
This Delta deal was found by Cheapflights users on 9/7. 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.
Sat 11/215:41 pm -
2 stops45h 49m
Mon 12/710:40 am -
2 stops39h 44m
Deal found 9/7![Delta logo]()
$1,331
This United Airlines deal was found by Cheapflights users on 9/8. 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 11/911:00 am -
1 stop27h 00m
Tue 11/2411:20 am -
2 stops23h 45m
Deal found 9/8![United Airlines logo]()
$1,331
This Justfly.com deal was found by Cheapflights users on 9/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:12 pm -
2 stops25h 33m
Sun 10/2511:50 am -
2 stops26h 36m
Deal found 9/7![Air New Zealand logo]()
$1,333
Best flights from Missouri to SydneyDiscover carefully curated flight deals from Missouri to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
Discover carefully curated flight deals from Missouri to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 10/274:00 pm -
1 stop24h 05m
Tue 11/311:20 am -
2 stops25h 23m
Deal found 9/11![United Airlines logo]()
$1,315
This Delta deal was found by Cheapflights users on 9/7. 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.
Sat 11/215:41 pm -
2 stops45h 49m
Sun 12/610:40 am -
2 stops30h 47m
Deal found 9/7![Delta logo]()
$1,381
This FlightHub deal was found by Cheapflights users on 9/8. 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.
Tue 12/155:17 pm -
1 stop20h 38m
Mon 2/157:15 pm -
2 stops38h 15m
Deal found 9/8![Qantas Airways logo]()
$1,445
This Qantas Airways deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:20 pm -
1 stop21h 35m
Sun 10/181:00 pm -
1 stop24h 57m
Deal found 9/11![Multiple Airlines logo]()
$1,507
This Qatar Airways deal was found by Cheapflights users on 9/7. 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.
Wed 10/2810:40 am -
2 stops52h 10m
Sun 11/13:50 pm -
2 stops43h 02m
Deal found 9/7![Qatar Airways logo]()
$2,319
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/148:15 am -
1 stop31h 40m
Wed 10/2111:20 am -
1 stop21h 04m
Deal found 9/10![United Airlines logo]()
$1,321
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/56:15 am -
2 stops33h 40m
Mon 10/1210:30 am -
2 stops24h 13m
Deal found 9/7![United Airlines logo]()
$1,335
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/233:52 pm -
2 stops23h 58m
Wed 10/710:15 am -
2 stops24h 00m
Deal found 9/9![Delta logo]()
$1,515
This United Airlines deal was found by Cheapflights users on 9/7. 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 11/234:00 pm -
1 stop24h 05m
Thu 12/311:20 am -
1 stop21h 13m
Deal found 9/7![United Airlines logo]()
$1,360
This Qantas Airways deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:54 pm -
1 stop23h 01m
Wed 11/119:55 am -
2 stops27h 47m
Deal found 9/9![Qantas Airways logo]()
$1,675
This Air Canada deal was found by Cheapflights users on 9/12. 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.
Wed 9/231:36 pm -
2 stops26h 44m
Wed 10/710:20 am -
3 stops48h 21m
Deal found 9/12![Multiple Airlines logo]()
$1,675
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sun 12/69:00 am -
2 stops31h 05m
Sun 1/1011:20 am -
2 stops40h 35m
Deal found 9/10![United Airlines logo]()
$1,377
This oojo deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/65:11 pm -
1 stop20h 44m
Sun 1/109:10 am -
2 stops48h 31m
Deal found 9/10![Qantas Airways logo]()
$1,767
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/253:15 pm -
2 stops24h 50m
Sun 11/19:15 am -
1 stop21h 58m
Deal found 9/9![United Airlines logo]()
$1,381
This Expedia deal was found by Cheapflights users on 9/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:11 pm -
1 stop20h 44m
Fri 11/63:50 pm -
2 stops41h 51m
Deal found 9/10![Multiple Airlines logo]()
$1,877
This United Airlines deal was found by Cheapflights users on 9/7. 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 11/195:20 pm -
2 stops22h 45m
Sat 12/59:20 am -
2 stops23h 43m
Deal found 9/7![United Airlines logo]()
$1,415
This United Airlines deal was found by Cheapflights users on 9/10. 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 11/73:15 pm -
2 stops24h 50m
Sat 11/219:20 am -
1 stop21h 53m
Deal found 9/10![United Airlines logo]()
$1,431
This Qantas Airways deal was found by Cheapflights users on 9/8. 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.
Wed 10/285:14 pm -
1 stop21h 41m
Sun 11/12:05 pm -
1 stop19h 36m
Deal found 9/8![Qantas Airways logo]()
$2,342
This Qantas Airways deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/612:05 pm -
1 stop25h 50m
Sun 1/102:05 pm -
1 stop24h 39m
Deal found 9/10![Multiple Airlines logo]()
$2,382
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/71:48 pm -
2 stops26h 12m
Wed 10/1410:30 am -
2 stops24h 00m
Deal found 9/7![United Airlines logo]()
$1,495
This United Airlines deal was found by Cheapflights users on 9/7. 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 11/204:00 pm -
1 stop24h 05m
Fri 12/411:20 am -
1 stop21h 13m
Deal found 9/7![United Airlines logo]()
$1,510
This United Airlines deal was found by Cheapflights users on 9/7. 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 11/204:00 pm -
1 stop24h 05m
Thu 12/311:20 am -
1 stop21h 13m
Deal found 9/7![United Airlines logo]()
$1,510
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/119:00 am -
2 stops30h 55m
Sun 10/1810:30 am -
2 stops26h 14m
Deal found 9/11![United Airlines logo]()
$1,545
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals ”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:15 am -
2 stops33h 45m
Fri 10/1611:20 am -
2 stops39h 19m
Deal found 9/10![United Airlines logo]()
$1,966
Last-minute flights from Missouri to SydneyDiscover last-minute flight deals from Missouri to Sydney. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Sydney. Data last updated September 12, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:30 am -
2 stops33h 15m
Sat 10/319:55 am -
2 stops48h 12m
Deal found 9/10![Air New Zealand logo]()
$1,350
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 10/136:15 am -
2 stops33h 40m
Wed 11/189:15 am -
1 stop24h 35m
Deal found 9/11![United Airlines logo]()
$1,335
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/148:15 am -
1 stop31h 40m
Wed 10/2111:20 am -
1 stop21h 04m
Deal found 9/10![United Airlines logo]()
$1,321
This Justfly.com deal was found by Cheapflights users on 9/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:12 pm -
2 stops25h 33m
Sun 10/2511:50 am -
2 stops26h 36m
Deal found 9/7![Air New Zealand logo]()
$1,333
This FlightHub deal was found by Cheapflights users on 9/7. 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.
Sun 10/187:08 am -
2 stops46h 42m
Sun 11/89:55 am -
2 stops29h 31m
Deal found 9/7![Air New Zealand logo]()
$1,305
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/184:39 pm -
2 stops23h 21m
Sun 11/811:50 am -
1 stop23h 15m
Deal found 9/7![United Airlines logo]()
$1,380
This oojo deal was found by Cheapflights users on 9/7. 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 10/2112:47 pm -
1 stop26h 08m
Wed 10/281:05 pm -
1 stop19h 58m
Deal found 9/7![Qantas Airways logo]()
$1,327
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/211:29 pm -
2 stops26h 26m
Wed 10/289:15 am -
1 stop20h 58m
Deal found 9/7![United Airlines logo]()
$1,330
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:30 am -
1 stop30h 30m
Sun 11/19:15 am -
1 stop21h 58m
Deal found 9/9![United Airlines logo]()
$1,381
This oojo deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:20 pm -
1 stop21h 35m
Mon 11/22:05 pm -
1 stop19h 22m
Deal found 9/10![Qantas Airways logo]()
$1,290
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 10/265:20 pm -
2 stops23h 40m
Mon 11/211:15 am -
2 stops22h 12m
Deal found 9/10![American Airlines logo]()
$1,311
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 10/274:00 pm -
1 stop24h 05m
Tue 11/311:20 am -
2 stops25h 23m
Deal found 9/11![United Airlines logo]()
$1,315
One-way flights from Missouri to SydneySearch for one-way flight options from Missouri to Sydney. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
Search for one-way flight options from Missouri to Sydney. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Mon 11/27:59 pm -
2 stops41h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$586
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/164:22 pm -
2 stops45h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$656
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/12:12 pm -
2 stops25h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Qantas Airways logo]()
$679
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/294:22 pm -
2 stops45h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$687
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 2/111:54 am -
2 stops28h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![American Airlines logo]()
$696
This United Airlines deal was found by Cheapflights users on 9/11. 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 2/13:08 pm -
1 stop22h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$698
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/110:53 am -
2 stops29h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$708
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/297:00 am -
1 stop30h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$758
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 11/37:00 am -
3 stops34h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$772
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/16:40 pm -
3 stops45h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Air Canada logo]()
$801
This Travelocity deal was found by Cheapflights users on 9/11. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/166:40 pm -
2 stops45h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Air Canada logo]()
$805
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Sun 11/11:28 pm -
3 stops51h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$805
Find flight deals from Missouri to Sydney
Keep the following information in mind while searching for Missouri to Sydney flight deals. Data was last updated September 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,095 (Justfly.com) |
One-way from | $586 (Kiwi.com) |
Popular in | December |
Cheapest in | July |
Average price | $1,373 |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri to Sydney 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 7,457,451 searches. Data last updated September 12, 2026.
Use the filters below to find and compare flights from Missouri to Sydney that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Mon 11/2
7:59 pm-6:25 am
2 stops41h 26m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$586
Kansas CitySydney
MCI Kansas City - SYD Sydney Kingsford Smith
MCISYD
Kansas City
Mon 2/1
3:08 pm-7:00 am
1 stop22h 52m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$698
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Tue 11/3
2:55 pm-9:05 am
2 stops25h 10m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$708
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Sun 11/1
11:00 am-7:00 am
1 stop27h 00m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$708
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Mon 11/2
8:30 am-7:00 am
1 stop29h 30m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$708
Kansas CitySydney
MCI Kansas City - SYD Sydney Kingsford Smith
MCISYD
Kansas City
Fri 1/29
7:00 am-6:20 am
1 stop30h 20m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$758
Kansas CitySydney
MCI Kansas City - SYD Sydney Kingsford Smith
MCISYD
Kansas City
Fri 1/29
4:22 pm-10:10 am
3 stops48h 48m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$786
Kansas CitySydney
MCI Kansas City - SYD Sydney Kingsford Smith
MCISYD
Kansas City
Sat 1/16
6:40 pm-9:35 am
2 stops45h 55m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$805
Quickest round-trip
Kansas CitySydney
MCI Kansas City - SYD Sydney Kingsford Smith
MCISYD
Kansas City
Sun 1/17
3:45 pm-6:50 am
1 stop22h 05m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$885
Kansas CitySydney
MCI Kansas City - SYD Sydney Kingsford Smith
MCISYD
Kansas City
Sat 1/16
5:26 pm-6:50 am
2 stops44h 24m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$890
Showing 1-10 of 37 resultsSorted by cheapest first
Best time to book a flight from Missouri to Sydney
Have a flexible travel schedule? Discover the best time to fly to Sydney from Missouri with our price prediction graph.
MCI-SYD
STL-SYD
COU-SYD
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 Sydney
USMO-SYD
MCI-SYD
STL-SYD
COU-SYD
What is the cheapest month to book a flight from Missouri to Sydney?
Currently, July is the cheapest month in which you can book a flight from Missouri to Sydney (average of $1,243). Flying from Missouri to Sydney in December is currently the most expensive (average of $1,556). 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.
How much does it cost to fly round-trip from Missouri to Sydney?
Airfare is below average for this route at the moment.
Missouri to Sydney flights typically cost between $1,372 and $1,590 in November.The cheapest round-trip price found within the last 5 days was $1,257 on Air New Zealand (Nov 9-Nov 24).
Related info for your journey
Find useful and relevant information for your journey from Missouri to Sydney. 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 Sydney?
Book flights to Sydney if you plan to visit one of these locationsParramatta
Wollongong
Coogee
Manly
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Alternative routes for Missouri to Sydney
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Complete your trip
Complete your trip to Sydney by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missouri to Sydney by cabin class
Find flights from Missouri to Sydney, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missouri and Sydney flights
Browse other Missouri and Sydney flight options. Last updated on September 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Sydney
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 12, 2026.
Missouri to Sydney flights
Consider these flights traveling from Missouri to Sydney.
Top 4 airlines flying from Missouri to Sydney
Discover the top 4 airlines that operate flights from Missouri to Sydney. 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 7,457,451 searches. Data last updated September 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$917 | Average$1,386 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,057 | Average$1,338 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,077 | Average$1,499 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,144 | Average$1,424 | FlexibilityNo cancel fee | On-time69% |