$696+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SYD
Dec 5 — Dec 121
Round-trip
1 adult, Economy
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Find cheap flights from Missouri to Sydney with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Missouri to Sydney
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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 November 5, 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 November 5, 2026.
This Qantas Airways deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/305:10 pm -
2 stops28h 40m
Mon 12/711:15 am -
1 stop21h 16m
Deal found 10/31![Multiple Airlines logo]()
$1,047
This FlightHub deal was found by Cheapflights users on 11/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:10 pm -
1 stop20h 45m
Tue 12/85:50 pm -
2 stops39h 28m
Deal found 11/3![Qantas Airways logo]()
$1,105
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:10 am -
1 stop29h 15m
Mon 11/169:50 pm -
2 stops39h 52m
Deal found 11/2![Qantas Airways logo]()
$1,293
This SmartFares deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/286:00 am -
1 stop34h 00m
Sat 12/56:05 am -
2 stops28h 41m
Deal found 10/31![Qantas Airways logo]()
$1,297
This oojo deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:28 am -
2 stops33h 07m
Mon 12/77:25 pm -
2 stops39h 43m
Deal found 10/31![Air New Zealand logo]()
$1,418
This Cathay Pacific deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:00 am -
2 stops38h 00m
Mon 11/168:45 am -
2 stops30h 14m
Deal found 11/2![Multiple Airlines logo]()
$1,523
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/308:45 am -
1 stop29h 15m
Mon 12/711:50 am -
1 stop23h 18m
Deal found 10/31![United Airlines logo]()
$1,548
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/236:57 pm -
2 stops32h 43m
Mon 1/1811:20 am -
1 stop29h 16m
Deal found 11/1![Qantas Airways logo]()
$1,553
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/286:15 am -
1 stop31h 45m
Sat 12/59:10 am -
1 stop26h 31m
Deal found 10/31![United Airlines logo]()
$1,598
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:20 pm -
2 stops44h 40m
Sun 11/2911:50 am -
1 stop22h 17m
Deal found 11/2![United Airlines logo]()
$1,618
This BusinessClass deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:16 pm -
2 stops24h 49m
Sun 11/296:05 am -
2 stops27h 15m
Deal found 11/2![Qantas Airways logo]()
$1,636
This Qantas Airways deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/236:01 am -
2 stops47h 24m
Fri 1/156:55 am -
2 stops33h 41m
Deal found 11/1![Qantas Airways logo]()
$1,711
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 November 5, 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 November 5, 2026.
This FlightHub deal was found by Cheapflights users on 11/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2512:01 pm -
1 stop25h 54m
Sun 3/712:45 pm -
2 stops44h 42m
Deal found 11/4![Qantas Airways logo]()
$1,205
This Qantas Airways deal was found by Cheapflights users on 11/3. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/12:38 pm -
3 stops27h 27m
Mon 2/152:05 pm -
1 stop23h 03m
Deal found 11/3![Multiple Airlines logo]()
$1,270
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/15:12 pm -
1 stop22h 18m
Mon 2/1510:40 am -
1 stop21h 18m
Deal found 11/3![Delta logo]()
$1,448
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/188:30 am -
1 stop28h 50m
Tue 2/211:50 am -
1 stop23h 27m
Deal found 10/31![United Airlines logo]()
$1,498
This Qantas Airways deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/411:05 am -
3 stops28h 25m
Tue 5/189:50 am -
3 stops24h 31m
Deal found 10/31![Multiple Airlines logo]()
$1,279
This Qantas Airways deal was found by Cheapflights users on 11/3. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/255:21 pm -
2 stops24h 44m
Sun 3/711:15 am -
2 stops22h 15m
Deal found 11/3![Multiple Airlines logo]()
$1,319
This Qantas Airways deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/55:07 pm -
2 stops31h 53m
Tue 2/92:05 pm -
1 stop19h 12m
Deal found 11/2![Qantas Airways logo]()
$1,458
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/112:55 pm -
1 stop25h 05m
Mon 2/159:15 am -
1 stop26h 36m
Deal found 10/31![United Airlines logo]()
$1,548
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/308:45 am -
1 stop29h 15m
Mon 12/711:50 am -
1 stop23h 18m
Deal found 10/31![United Airlines logo]()
$1,548
This Qantas Airways deal was found by Cheapflights users on 11/4. 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.
Fri 1/299:41 am -
3 stops27h 44m
Sat 5/159:50 am -
3 stops24h 40m
Deal found 11/4![Multiple Airlines logo]()
$1,441
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/232:15 pm -
2 stops23h 50m
Sun 4/49:15 am -
2 stops30h 21m
Deal found 10/31![Delta logo]()
$1,853
This Air New Zealand deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1810:45 am -
3 stops30h 50m
Tue 2/29:55 am -
3 stops30h 25m
Deal found 10/31![Multiple Airlines logo]()
$1,482
This Qantas Airways deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/297:43 pm -
2 stops48h 17m
Mon 5/312:00 pm -
1 stop19h 51m
Deal found 10/31![Qantas Airways logo]()
$1,820
This Qantas Airways deal was found by Cheapflights users on 11/3. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/146:00 pm -
2 stops24h 05m
Mon 2/111:15 am -
2 stops22h 54m
Deal found 11/3![Multiple Airlines logo]()
$1,485
This Air New Zealand deal was found by Cheapflights users on 11/3. 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 Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/248:52 am -
3 stops32h 43m
Sun 1/312:05 pm -
3 stops26h 15m
Deal found 11/3![Multiple Airlines logo]()
$1,563
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/298:00 am -
2 stops56h 00m
Mon 5/310:20 am -
2 stops27h 38m
Deal found 11/1![United Airlines logo]()
$2,110
This Qantas Airways deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/82:23 pm -
3 stops29h 02m
Sat 3/206:05 am -
2 stops23h 36m
Deal found 10/31![Multiple Airlines logo]()
$1,687
This Cathay Pacific deal was found by Cheapflights users on 11/3. 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 4/106:20 am -
2 stops38h 25m
Sat 4/1710:00 pm -
3 stops40h 04m
Deal found 11/3![Multiple Airlines logo]()
$1,707
Last-minute flights from Missouri to SydneyDiscover last-minute flight deals from Missouri to Sydney. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Sydney. Data last updated November 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:10 am -
1 stop29h 15m
Mon 11/169:50 pm -
2 stops39h 52m
Deal found 11/2![Qantas Airways logo]()
$1,293
This Cathay Pacific deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:00 am -
2 stops38h 00m
Mon 11/168:45 am -
2 stops30h 14m
Deal found 11/2![Multiple Airlines logo]()
$1,523
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:20 pm -
2 stops44h 40m
Sun 11/2911:50 am -
1 stop22h 17m
Deal found 11/2![United Airlines logo]()
$1,618
This BusinessClass deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:16 pm -
2 stops24h 49m
Sun 11/296:05 am -
2 stops27h 15m
Deal found 11/2![Qantas Airways logo]()
$1,636
This SmartFares deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/286:00 am -
1 stop34h 00m
Sat 12/56:05 am -
2 stops28h 41m
Deal found 10/31![Qantas Airways logo]()
$1,297
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/286:15 am -
1 stop31h 45m
Sat 12/59:10 am -
1 stop26h 31m
Deal found 10/31![United Airlines logo]()
$1,598
This Qantas Airways deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/305:10 pm -
2 stops28h 40m
Mon 12/711:15 am -
1 stop21h 16m
Deal found 10/31![Multiple Airlines logo]()
$1,047
This oojo deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:28 am -
2 stops33h 07m
Mon 12/77:25 pm -
2 stops39h 43m
Deal found 10/31![Air New Zealand logo]()
$1,418
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/308:45 am -
1 stop29h 15m
Mon 12/711:50 am -
1 stop23h 18m
Deal found 10/31![United Airlines logo]()
$1,548
This FlightHub deal was found by Cheapflights users on 11/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:10 pm -
1 stop20h 45m
Tue 12/85:50 pm -
2 stops39h 28m
Deal found 11/3![Qantas Airways logo]()
$1,105
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/236:57 pm -
2 stops32h 43m
Mon 1/1811:20 am -
1 stop29h 16m
Deal found 11/1![Qantas Airways logo]()
$1,553
This Qantas Airways deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/236:01 am -
2 stops47h 24m
Fri 1/156:55 am -
2 stops33h 41m
Deal found 11/1![Qantas Airways logo]()
$1,711
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 November 5, 2026.
Search for one-way flight options from Missouri to Sydney. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
This Qantas Airways deal was found by Cheapflights users on 11/4. 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.
Mon 2/15:07 pm -
2 stops24h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Qantas Airways logo]()
$696
This Trip.com deal was found by Cheapflights users on 11/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/255:21 pm -
2 stops36h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$711
This Qantas Airways deal was found by Cheapflights users on 11/3. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/12:38 pm -
3 stops27h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$728
This oojo deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/812:08 pm -
1 stop25h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Qantas Airways logo]()
$729
This Qantas Airways deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/82:35 pm -
2 stops25h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$740
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/15:12 pm -
1 stop22h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Delta logo]()
$768
This oojo deal was found by Cheapflights users on 11/4. 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.
Thu 3/255:21 pm -
1 stop21h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Qantas Airways logo]()
$777
This oojo deal was found by Cheapflights users on 11/4. 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 12/286:57 pm -
1 stop42h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Qantas Airways logo]()
$782
This KAYAK deal was found by Cheapflights users on 11/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:15 pm -
2 stops25h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Qantas Airways logo]()
$817
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/13:05 pm -
1 stop22h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![United Airlines logo]()
$828
This Travelocity deal was found by Cheapflights users on 11/4. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/256:00 am -
3 stops34h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Air Canada logo]()
$901
This Turkish Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/287:55 pm -
3 stops54h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$966
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 November 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $973 (oojo) |
One-way from | $696 (Qantas Airways) |
Popular in | December |
Cheapest in | March |
Average price | $1,470 |
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 November 5, 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
Kansas CitySydney
MCI Kansas City - SYD Sydney Kingsford Smith
MCISYD
Kansas City
Mon 2/1
5:07 pm-11:45 am
2 stops25h 38m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$696
Kansas CitySydney
MCI Kansas City - SYD Sydney Kingsford Smith
MCISYD
Kansas City
Mon 2/1
2:38 pm-11:05 am
3 stops27h 27m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$728
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Mon 3/8
2:35 pm-9:00 am
2 stops25h 25m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$740
Quickest round-trip
Kansas CitySydney
MCI Kansas City - SYD Sydney Kingsford Smith
MCISYD
Kansas City
Mon 2/1
5:12 pm-8:30 am
1 stop22h 18m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$768
Kansas CitySydney
MCI Kansas City - SYD Sydney Kingsford Smith
MCISYD
Kansas City
Mon 2/1
3:05 pm-7:00 am
1 stop22h 55m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$828
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Mon 12/28
7:55 pm-7:25 pm
3 stops54h 30m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$966
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Mon 12/28
8:22 pm-6:35 am
2 stops41h 13m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$981
Kansas CitySydney
MCI Kansas City - SYD Sydney Kingsford Smith
MCISYD
Kansas City
Fri 1/1
7:31 am-7:25 pm
3 stops42h 54m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$1,046
Kansas CitySydney
MCI Kansas City - SYD Sydney Kingsford Smith
MCISYD
Kansas City
Thu 2/25
12:01 pm-6:55 am
1 stop25h 54m
Sydney Kingsford Smith
Sun 3/7
12:45 pm-4:27 pm
2 stops44h 42m
$1,205
Kansas CitySydney
MCI Kansas City - SYD Sydney Kingsford Smith
MCISYD
Kansas City
Mon 2/1
2:38 pm-11:05 am
3 stops27h 27m
Sydney Kingsford Smith
Mon 2/15
2:05 pm-8:08 pm
1 stop23h 03m
$1,270
Showing 1-10 of 28 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 $1,284). Flying from Missouri to Sydney in December is currently the most expensive (average of $1,724). 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 $1,374 and $1,867 in March.The cheapest round-trip price found within the last 5 days was $1,072 on Qantas Airways (Mar 8-Mar 20).
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
Browse thousands of different options on Cheapflights for your next trip
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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 November 5, 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 November 5, 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 November 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$848 | Average$1,306 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,039 | Average$1,328 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,077 | Average$1,527 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,161 | Average$1,485 | FlexibilityNo cancel fee | On-time69% |