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$1,493+ Cheap flights from Missouri to Cairns (CNS)

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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CNS
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap flight deals from Missouri to Cairns

Cheapest flights from Missouri to Cairns
Explore the most affordable flight options available from Missouri to Cairns. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This oojo deal was found by Cheapflights users on 2/10. 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 5/46:21 am
STL
-
CNS
2 stops41h 39m
Qantas Airways
Sun 8/96:20 pm
CNS
-
STL
2 stops43h 48m
Qantas Airways
Deal found 2/10$1,493
This Qantas Airways deal was found by Cheapflights users on 2/9. 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.
Sat 2/216:38 am
STL
-
CNS
2 stops60h 07m
Qantas Airways
Tue 2/243:35 pm
CNS
-
STL
2 stops43h 54m
Qantas Airways
Deal found 2/9$1,575
This Air Canada deal was found by Cheapflights users on 2/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/42:20 pm
STL
-
CNS
3 stops37h 05m
Multiple Airlines
Sun 8/97:10 pm
CNS
-
STL
3 stops57h 52m
Multiple Airlines
Deal found 2/9$1,582
This KAYAK deal was found by Cheapflights users on 2/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/44:44 pm
STL
-
CNS
3 stops29h 11m
Air New Zealand
Sun 8/911:55 am
CNS
-
STL
2 stops44h 58m
Air New Zealand
Deal found 2/9$2,048

Find flight deals from Missouri to Cairns

Keep the following information in mind while searching for Missouri to Cairns flight deals. Data was last updated February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,493
(oojo)
Provider with most accurate pricing for Lambert-St Louis-Cairns flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Cairns flights.
Search Deals
From Missouri to Cairns
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Cairns 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 February 11, 2026.
Use the filters below to find and compare flights from Missouri to Cairns that are best for you.

Fly from

Missouri

Fly to

Cairns

Route

Depart

Return

Price

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 5/4

6:21 am-3:00 pm

2 stops41h 39m

Cairns

Sun 8/9

6:20 pm-11:08 pm

2 stops43h 48m

$1,493

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Sat 2/21

6:38 am-10:45 am

2 stops60h 07m

Cairns

Tue 2/24

3:35 pm-7:29 pm

2 stops43h 54m

$1,575

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 5/4

2:20 pm-1:40 pm

3 stops32h 20m

Cairns

Sun 8/9

7:10 pm-2:02 pm

3 stops57h 52m

$1,582

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Best time to book a flight from Missouri to Cairns

Have a flexible travel schedule? Discover the best time to fly to Cairns 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 Cairns
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 Cairns. 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 Cairns from Missouri?

    Cairns (CNS), located 2.8 mi from the city center, is the airport you fly into when you book flights from Missouri to Cairns.

  • How long is the flight from Missouri to Cairns?

    There are many flights that can get you from Missouri to Cairns in 41h 39m. Fly via Qantas Airways to get the fastest option. The distance from Missouri to Cairns is about 8749 mi.

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

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

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

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

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

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

See more FAQs

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Top airline flying from Missouri to Cairns

Discover the top airline that operate flights from Missouri to Cairns. 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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Fiji AirwaysCheapest$1,265Average$1,314FlexibilityNo cancel feeOn-time74%

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