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Cairns

$963+ Cheap flights from St. Louis (STL) to Cairns (CNS)

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CNS
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from St. Louis to Cairns

Cheapest flights from St. Louis to Cairns
Explore the most affordable flight options available from St. Louis to Cairns. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This oojo deal was found by Cheapflights users on 1/27. 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 5/43:36 pm
STL
-
CNS
2 stops29h 14m
Qantas Airways
Sun 8/912:35 pm
CNS
-
STL
2 stops44h 54m
Qantas Airways
Deal found 1/27$1,455
This Qantas Airways deal was found by Cheapflights users on 1/26. 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 2/164:13 pm
STL
-
CNS
2 stops29h 52m
Qantas Airways
Fri 2/203:35 pm
CNS
-
STL
2 stops41h 38m
Qantas Airways
Deal found 1/26$1,624
This Air Canada deal was found by Cheapflights users on 1/26. 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 stops32h 20m
Multiple Airlines
Sun 8/97:05 pm
CNS
-
STL
3 stops57h 57m
Multiple Airlines
Deal found 1/26$2,044

Find flight deals from St. Louis to Cairns

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Cairns (CNS). 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,394
(oojo)

One-way from

$963
(Kiwi.com)
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 Lambert-St Louis to Cairns
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One-way flight from Lambert-St Louis to Cairns
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Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis 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 January 27, 2026.
Use the filters below to find and compare flights from St. Louis to Cairns that are best for you.

Fly from

St. Louis

Fly to

Cairns

Route

Depart

Return

Price

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 2/16

4:13 pm-2:05 pm

2 stops29h 52m

Cairns

Fri 2/20

3:35 pm-5:13 pm

2 stops41h 38m

$1,624

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Fri 7/10

7:30 pm-8:10 pm

3 stops57h 40m

$963

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Tue 7/7

6:36 am-11:05 am

2 stops37h 29m

$967

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Wed 7/8

7:30 pm-6:25 pm

3 stops55h 55m

$977

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Wed 7/8

7:06 pm-11:10 am

2 stops25h 04m

$1,003

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Thu 7/9

7:30 pm-6:25 pm

3 stops55h 55m

$1,033

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Thu 7/9

6:36 am-5:35 pm

2 stops43h 59m

$1,038

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Tue 7/7

7:30 pm-12:55 pm

3 stops50h 25m

$1,087

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Fri 7/10

7:06 pm-8:20 pm

2 stops34h 14m

$1,164

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

  • Most accurate provider: When it comes to deals on St. Louis-Cairns flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Cairns flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Cairns flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Cairns flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Cairns flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Cairns

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

Reviews of airlines servicing Cairns

Get insights into the airlines that provide service to Cairns. 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 Cairns. Reviews last updated January 27, 2026.
Read reviews from past customers who have flown Fiji Airways from St. Louis to Cairns. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Fiji Airways
8.0
Very good
222 reviews

Food

7.4

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Fiji Airways
8.0
Very good
222 reviews
Fiji Airways
8.0
Very good
222 reviews

Food

7.4

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Cairns. 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 St. Louis to Cairns?

    For as low as $1,624, Qantas Airways can have you in Cairns from St. Louis in 29h 52m. St. Louis and Cairns are separated by a distance of 8749 mi.

  • Can I find deals for flights from St. Louis to Cairns that include hotel bookings?

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

  • How can I find direct flights from St. Louis to Cairns?

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

  • Can I find deals for business class flights from St. Louis to Cairns?

    Yes. Cheapflights offers flight deals from St. Louis 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.

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Alternative routes for St. Louis to Cairns

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from St. Louis to Cairns

Discover the top airline that operate flights from St. Louis 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Fiji AirwaysCheapest$1,265Average$1,314FlexibilityNo cancel feeOn-time74%

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