When did momondo last update prices for flights from Lambert-St Louis Airport to Cairns Airport?

Prices for flights from Lambert-St Louis Airport to Cairns Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Lambert-St Louis Airport to Cairns Airport?

As of January 2026, there is 1 operator available to choose from for flights from Lambert-St Louis Airport to Cairns Airport.

How old do you have to be to fly from Lambert-St Louis Airport to Cairns Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Cairns Airport.

What documentation or ID do you need to fly to Cairns Airport?

The travel and health documents required for your trip to Cairns Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Cairns Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$963 Cheap Flights from St. Louis to Cairns in 2026

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Find the cheapest flights from St. Louis to Cairns

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Cheap round-trip flights

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3:36 pm - 10:40 pm

STL

CNS

40h 04m

2 stops

9:35 pm - 11:08 pm

CNS

STL

40h 33m

2 stops

$1,394Multiple Airlines

Mon, May 4 - Sun, Aug 9

3:36 pm - 11:50 am

STL

CNS

29h 14m

2 stops

12:35 pm - 6:29 pm

CNS

STL

44h 54m

2 stops

$1,455Qantas Airways

Mon, May 4 - Sun, Aug 9

6:36 am - 11:05 am

STL

CNS

37h 29m

2 stops

2:00 pm - 4:33 pm

CNS

STL

41h 33m

2 stops

$1,588Qantas Airways

Thu, May 28 - Thu, Jun 11

4:13 pm - 2:05 pm

STL

CNS

29h 52m

2 stops

3:35 pm - 5:13 pm

CNS

STL

41h 38m

2 stops

$1,624Qantas Airways

Mon, Feb 16 - Fri, Feb 20

11:46 am - 11:50 am

STL

CNS

32h 04m

2 stops

12:35 pm - 7:42 pm

CNS

STL

47h 07m

2 stops

$1,669Qantas Airways

Mon, Feb 16 - Fri, Feb 20

7:06 pm - 12:40 pm

STL

CNS

26h 34m

2 stops

1:40 pm - 8:42 pm

CNS

STL

46h 02m

3 stops

$1,863Multiple Airlines

Thu, May 28 - Thu, Jun 11

5:30 pm - 1:00 pm

STL

CNS

52h 30m

3 stops

11:00 am - 6:00 pm

CNS

STL

46h 00m

3 stops

$1,970Multiple Airlines

Thu, May 28 - Thu, Jun 11

2:20 pm - 1:40 pm

STL

CNS

32h 20m

3 stops

7:05 pm - 2:02 pm

CNS

STL

57h 57m

3 stops

$2,044Multiple Airlines

Mon, May 4 - Sun, Aug 9

3:36 pm - 11:50 am

STL

CNS

29h 14m

2 stops

3:35 pm - 9:17 am

CNS

STL

32h 42m

3 stops

$2,188Multiple Airlines

Mon, May 4 - Sun, Aug 9

7:30 am - 3:55 pm

STL

CNS

41h 25m

3 stops

7:05 pm - 8:02 pm

CNS

STL

39h 57m

3 stops

$2,482Multiple Airlines

Mon, May 4 - Sun, Aug 9

Qantas Airways flights from St. Louis to Cairns

Our best Qantas Airways deals on St. Louis to Cairns flight tickets

Qantas Airways

May 4

STL3:36 pmLambert-St Louis

29h 14m

2 stops

CNS11:50 amCairns

Aug 9

CNS12:35 pmCairns

44h 54m

2 stops

STL6:29 pmLambert-St Louis

$1,455

Qantas Airways

May 28

STL6:36 amLambert-St Louis

37h 29m

2 stops

CNS11:05 amCairns

Jun 11

CNS2:00 pmCairns

41h 33m

2 stops

STL4:33 pmLambert-St Louis

$1,588

Qantas Airways

Feb 16

STL4:13 pmLambert-St Louis

29h 52m

2 stops

CNS2:05 pmCairns

Feb 20

CNS3:35 pmCairns

41h 38m

2 stops

STL5:13 pmLambert-St Louis

$1,624

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 5/4

3:36 pm-10:40 pm

2 stops40h 04m

Cairns

Sun 8/9

9:35 pm-11:08 pm

2 stops40h 33m

$1,394

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 5/4

3:36 pm-11:50 am

2 stops29h 14m

Cairns

Sun 8/9

12:35 pm-6:29 pm

2 stops44h 54m

$1,455

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Thu 5/28

6:36 am-11:05 am

2 stops37h 29m

Cairns

Thu 6/11

2:00 pm-4:33 pm

2 stops41h 33m

$1,588

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

Mon 2/16

11:46 am-11:50 am

2 stops32h 04m

Cairns

Fri 2/20

12:35 pm-7:42 pm

2 stops47h 07m

$1,669

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Thu 5/28

7:06 pm-12:40 pm

2 stops26h 34m

Cairns

Thu 6/11

1:40 pm-8:42 pm

3 stops46h 02m

$1,863

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Thu 5/28

5:30 pm-1:00 pm

3 stops52h 30m

Cairns

Thu 6/11

11:00 am-6:00 pm

3 stops46h 00m

$1,970

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 5/4

2:20 pm-1:40 pm

3 stops32h 20m

Cairns

Sun 8/9

7:05 pm-2:02 pm

3 stops57h 57m

$2,044

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 5/4

3:36 pm-11:50 am

2 stops29h 14m

Cairns

Sun 8/9

3:35 pm-9:17 am

3 stops32h 42m

$2,188

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 5/4

7:30 am-3:55 pm

3 stops41h 25m

Cairns

Sun 8/9

7:05 pm-8:02 pm

3 stops39h 57m

$2,482

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from St. Louis to Cairns

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Lambert-St Louis to Cairns?

Qantas Airways and United Airlines are the most popular carriers operating from Lambert-St Louis to Cairns

When to book flights from St. Louis to Cairns

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Cairns according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap St. Louis to Cairns (STL to CNS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Cairns

Fastest flight time	32h 04m
Direct flights	None

The fastest flight from St. Louis to Cairns takes 32h 04m

There are no direct flights from St. Louis to Cairns. There are no popular flight routes from St. Louis to Cairns.

Search flight deals

How far is Lambert-St Louis to Cairns by plane?
The distance between Lambert-St Louis and Cairns is about 8759.6 mi. Flights usually cover this in 32h 04m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Lambert-St Louis Airport to Cairns Airport?
Prices for flights from Lambert-St Louis Airport to Cairns Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Cairns Airport?
As of January 2026, there is 1 operator available to choose from for flights from Lambert-St Louis Airport to Cairns Airport.
How old do you have to be to fly from Lambert-St Louis Airport to Cairns Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Cairns Airport.
What documentation or ID do you need to fly to Cairns Airport?
The travel and health documents required for your trip to Cairns Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Cairns Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from St. Louis to Cairns?
momondo data reveals that the most frequently booked airline on the route from St. Louis to Cairns is Fiji Airways, representing 100% of all bookings.

Best airlines flying from St. Louis to Cairns

Compare and see reviews for airlines that fly from St. Louis to Cairns with momondo

Airline	Rating	Free Cancellation	Price
Fiji Airways	PriceFrom $1,265	Free Cancellation	Rating 8.0 222 reviews		Search Fiji Airways flights

Port Douglas

Mission Beach

Palm Cove

Trinity Beach

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Cairns?

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Can I find flights from St. Louis to Cairns with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Cairns flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Cairns?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Cairns from St. Louis.

I’m not ready to book a flight from St. Louis to Cairns right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Cairns now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Cairns and let you know when they change.

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Cheap flights from St. Louis to Cairns from $963

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Cairns departing on 7/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from St. Louis to Cairns

What is the cheapest airline that flies from Lambert-St Louis to Cairns?

Qantas Airways and United Airlines are the most popular carriers operating from Lambert-St Louis to Cairns

When to book flights from St. Louis to Cairns

Cheap St. Louis to Cairns (STL to CNS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Cairns

Fastest flight time

Direct flights

How far is Lambert-St Louis to Cairns by plane?

When did momondo last update prices for flights from Lambert-St Louis Airport to Cairns Airport?

How many operators does momondo search for flights from Lambert-St Louis Airport to Cairns Airport?

How old do you have to be to fly from Lambert-St Louis Airport to Cairns Airport?

What documentation or ID do you need to fly to Cairns Airport?

What is the most popular airline from St. Louis to Cairns?

Best airlines flying from St. Louis to Cairns

Compare and see reviews for airlines that fly from St. Louis to Cairns with momondo

Traveling to a place near Cairns?

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Cairns?

Can I find flights from St. Louis to Cairns with flexible booking policies on momondo?

How can momondo help me find flights from St. Louis to Cairns?

I’m not ready to book a flight from St. Louis to Cairns right now. Can momondo alert me if prices change?

An easier way to manage your Cairns trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Airports servicing Queensland