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$13,085+ Cheap flights from Missouri to Adelaide (ADL)

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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ADL
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from Missouri to Adelaide

Keep the following information in mind while searching for Missouri to Adelaide flight deals. Data was last updated August 18, 2025.

Round-trip from

$13,085
(United Airlines)

Popular in

May

Cheapest in

June

Average price

$1,369
From Missouri to Adelaide
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($800 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($233 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Missouri to Adelaide

Cheapest flights from Missouri to Adelaide
Explore the most affordable flight options available from Missouri to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This United Airlines deal was found by Cheapflights users on 8/16. 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 9/306:00 pmMCI - ADL
2 stops26h 35mUnited Airlines
Tue 10/77:40 amADL - MCI
2 stops25h 05mUnited Airlines
Deal found 8/16$13,085

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Adelaide 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 August 18, 2025.
Use the filters below to find and compare flights from Missouri to Adelaide that are best for you.

Fly from

Missouri

Fly to

Adelaide

Route

Depart

Return

Price

Kansas CityAdelaide

MCI - ADL

MCIADL

Kansas City

Tue 9/30

6:00 pm-11:05 am

2 stops26h 35m

Adelaide

Tue 10/7

7:40 am-5:15 pm

2 stops25h 05m

$13,085

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Best time to book a flight from Missouri to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from Missouri 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 Missouri to Adelaide
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • What airport do you fly into for flights to Adelaide from Missouri?

    Most people fly into Adelaide (ADL) if they book a flight to Adelaide from Missouri. Adelaide is conveniently located just 4.1 mi from Adelaide’s city center.

  • How long is the flight from Missouri to Adelaide?

    There are many flights that can get you from Missouri to Adelaide in 26h 35m. Fly via United Airlines to get the fastest option. Missouri and Adelaide are separated by a distance of 9523 mi.

  • Can I find deals for flights from Missouri to Adelaide that include hotel bookings?

    Yes. In addition to deals on Missouri to Adelaide flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Adelaide?

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

  • Can I find deals for business class flights from Missouri to Adelaide?

    Yes. Cheapflights offers flight deals from Missouri to Adelaide 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 Missouri to Adelaide?

    Currently, August is the cheapest month in which you can book a flight from Missouri to Adelaide (average of $1,214). Flying from Missouri to Adelaide in December is currently the most expensive (average of $2,057). 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 Adelaide?

Book flights to Adelaide if you plan to visit one of these locations
Glenelg

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Top airline flying from Missouri to Adelaide

Discover the top airline that operate flights from Missouri to Adelaide. 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,322Average$1,663FlexibilityNo cancel feeOn-time74%

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