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$852+ Cheap flights from Kansas City (MCI) to Sydney (SYD)

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 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — SYD
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Kansas City to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Kansas City (MCI) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$1,115
(Booking.com)

One-way from

$852
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$1,291
From Kansas City to Sydney Kingsford Smith
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One-way flight from Kansas City to Sydney Kingsford Smith
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Highest demand for flights based on searches. 8% potential increase in price ($131 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Kansas City to Sydney

Cheapest flights from Kansas City to Sydney
Explore the most affordable flight options available from Kansas City to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This FlightHub deal was found by Cheapflights users on 9/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:26 pmMCI - SYD
1 stop21h 29mQantas Airways
Fri 9/1912:10 pmSYD - MCI
1 stop21h 55mQantas Airways
Deal found 9/13$1,072
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/155:59 pmMCI - SYD
1 stop21h 56mUnited Airlines
Tue 9/2310:20 amSYD - MCI
1 stop21h 58mUnited Airlines
Deal found 9/15$1,078
This Delta deal was found by Cheapflights users on 9/14. 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 9/156:03 pmMCI - SYD
2 stops21h 32mDelta
Tue 9/239:25 amSYD - MCI
2 stops26h 57mDelta
Deal found 9/14$1,082
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:47 pmMCI - SYD
2 stops26h 48mAir Canada
Wed 11/511:20 amSYD - MCI
2 stops21h 45mAir Canada
Deal found 9/14$1,115
This Fareboom deal was found by Cheapflights users on 9/13. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/178:30 amMCI - SYD
2 stops33h 15mAir New Zealand
Fri 9/1911:50 amSYD - MCI
2 stops39h 10mAir New Zealand
Deal found 9/13$1,123
This Air Canada deal was found by Cheapflights users on 9/13. 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.
Sat 11/16:00 amMCI - SYD
2 stops34h 35mAir Canada
Wed 11/511:20 amSYD - MCI
2 stops29h 22mAir Canada
Deal found 9/13$1,169
This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:18 pmMCI - SYD
1 stop20h 37mQantas Airways
Wed 11/52:05 pmSYD - MCI
1 stop19h 38mQantas Airways
Deal found 9/14$1,213
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 10/292:56 pmMCI - SYD
2 stops26h 04mAmerican Airlines
Wed 11/52:05 pmSYD - MCI
1 stop19h 38mAmerican Airlines
Deal found 9/14$1,217
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/292:55 pmMCI - SYD
3 stops29h 50mMultiple Airlines
Wed 11/52:00 pmSYD - MCI
3 stops27h 40mMultiple Airlines
Deal found 9/14$1,223
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 10/295:11 pmMCI - SYD
2 stops24h 04mUnited Airlines
Wed 11/512:10 pmSYD - MCI
1 stop21h 27mUnited Airlines
Deal found 9/14$1,229
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:44 pmMCI - SYD
2 stops23h 16mUnited Airlines
Fri 10/1710:30 amSYD - MCI
2 stops22h 56mUnited Airlines
Deal found 9/15$1,233
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 9/178:30 amMCI - SYD
2 stops31h 25mUnited Airlines
Fri 9/1910:20 amSYD - MCI
1 stop21h 58mUnited Airlines
Deal found 9/13$1,346

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kansas City 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 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Kansas City to Sydney that are best for you.

Fly from

Kansas City

Fly to

Sydney

Route

Depart

Return

Price

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Wed 10/29

1:47 pm-8:35 am

2 stops26h 48m

Sydney Kingsford Smith

Wed 11/5

11:20 am-4:05 pm

2 stops21h 45m

$1,115

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Wed 10/29

6:18 pm-6:55 am

1 stop20h 37m

Sydney Kingsford Smith

Wed 11/5

2:05 pm-4:43 pm

1 stop19h 38m

$1,213

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Tue 1/20

12:11 pm-7:25 am

2 stops26h 14m

Sydney Kingsford Smith

Sat 1/31

11:15 am-8:08 pm

2 stops25h 53m

$1,217

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Wed 10/29

2:56 pm-9:00 am

2 stops26h 04m

Sydney Kingsford Smith

Wed 11/5

2:05 pm-4:43 pm

1 stop19h 38m

$1,217

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Tue 1/20

2:04 pm-7:25 am

2 stops24h 21m

Sydney Kingsford Smith

Fri 2/20

2:05 pm-10:21 pm

1 stop25h 16m

$1,218

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Sat 1/17

3:03 pm-7:25 am

2 stops23h 22m

Sydney Kingsford Smith

Sun 1/25

2:05 pm-8:08 pm

1 stop23h 03m

$1,218

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Wed 10/29

2:55 pm-12:45 pm

3 stops29h 50m

Sydney Kingsford Smith

Wed 11/5

2:00 pm-12:40 am

3 stops27h 40m

$1,223

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Tue 1/20

7:00 am-6:20 am

1 stop30h 20m

Sydney Kingsford Smith

Fri 2/20

11:50 am-2:10 pm

1 stop19h 20m

$1,229

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Wed 10/1

3:40 pm-6:35 am

1 stop23h 55m

Sydney Kingsford Smith

Fri 10/17

10:25 am-11:27 pm

1 stop29h 02m

$1,229

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Tue 12/9

1:40 pm-7:00 am

2 stops24h 20m

Sydney Kingsford Smith

Tue 12/23

11:50 am-2:13 pm

1 stop19h 23m

$1,229

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 13 results
1
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Best time to book a flight from Kansas City to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Kansas City with our price prediction graph.
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 Kansas City to Sydney

What is the cheapest month to book a flight from Kansas City to Sydney?

Currently, March is the cheapest month in which you can book a flight from Kansas City to Sydney (average of $1,032). Flying from Kansas City to Sydney in December is currently the most expensive (average of $1,627). 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.

What is the cheapest time of day to fly from MCI to SYD?

Find hourly flight availability from Kansas City to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

It’s typically best to fly out from Kansas City to Sydney in the morning. Doing so could potentially save you 11% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated September 16, 2025.
Get a feel of what it's like to fly with Delta, Qantas Airways, and United Airlines from Kansas City to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Qantas Airways
7.5
Good
907 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Kansas City to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Kansas City to Sydney?

    Departing from Kansas City to Sydney will take you 20h 37m. The distance between Kansas City and Sydney is about 8839 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Kansas City to Sydney round-trip?

    Cheapflights users have booked flights from Kansas City to Sydney round-trip from $1,000. Other airlines that can offer you cheap pricing are American Airlines, from $1,044, and Qantas Airways, from $1,130. Air Canada is priced at 30% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Kansas City to Sydney that include hotel bookings?

    Yes. In addition to deals on Kansas City to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kansas City to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansas City to Sydney.

  • Can I find deals for business class flights from Kansas City to Sydney?

    Yes. Cheapflights offers flight deals from Kansas City to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kansas City to Sydney?

    Currently, March is the cheapest month in which you can book a flight from Kansas City to Sydney (average of $1,032). Flying from Kansas City to Sydney in December is currently the most expensive (average of $1,627). 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.

See more FAQs

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Manly
Coogee

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Kansas City to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Sydney flights
Columbia to Sydney flights
Springfield to Coolangatta flights

Top 5 airlines flying from Kansas City to Sydney

Discover the top 5 airlines that operate flights from Kansas City 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 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,000Average$1,122FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$1,044Average$1,726FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$1,130Average$1,551FlexibilityNo cancel feeOn-time74%
DeltaCheapest$1,211Average$1,442FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,224Average$1,440FlexibilityNo cancel feeOn-time69%

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