How do I get Price Alerts for flights from St. Louis to Cairns?

Confirm your travel details to search for the latest offers for flights from St. Louis to Cairns . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from St. Louis to Cairns with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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 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.

$1,408 Cheap Flights from St. Louis to Cairns in 2025

1 adult

0 bags

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Find the cheapest flights from St. Louis to Cairns

Round-trip

One-way

Cheap round-trip flights

7:41 pm - 11:40 amSTL-CNS

24h 59m2 stops

12:40 pm - 11:09 pmCNS-STL

25h 29m2 stops

$1,980Fiji Airways

Find Deal

Thu, Aug 14 - Mon, Aug 18

7:41 pm - 11:40 amSTL-CNS

24h 59m2 stops

12:40 pm - 11:09 pmCNS-STL

25h 29m2 stops

$2,146Fiji Airways

Find Deal

Thu, Aug 14 - Mon, Aug 18

4:00 pm - 3:55 pmSTL-CNS

56h 55m3 stops

4:35 pm - 7:45 pmCNS-STL

42h 10m3 stops

$3,305Air Canada

Find Deal

Thu, Aug 14 - Mon, Aug 18

9:15 am - 3:55 pmSTL-CNS

39h 40m3 stops

4:35 pm - 7:45 pmCNS-STL

42h 10m3 stops

$3,692Air Canada

Find Deal

Thu, Aug 14 - Mon, Aug 18

4:00 pm - 3:55 pmSTL-CNS

56h 55m3 stops

4:35 pm - 7:45 pmCNS-STL

42h 10m3 stops

$3,737Air Canada

Find Deal

Thu, Aug 14 - Mon, Aug 18

Fiji Airways flights from St. Louis to Cairns

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

Fiji Airways

Aug 14

STL7:41 pmLambert-St Louis

24h 59m

2 stops

CNS11:40 amCairns

Aug 18

CNS12:40 pmCairns

25h 29m

2 stops

STL11:09 pmLambert-St Louis

$1,979

Find similar

Fiji Airways

Aug 14

STL7:41 pmLambert-St Louis

24h 59m

2 stops

CNS11:40 amCairns

Aug 18

CNS12:40 pmCairns

25h 29m

2 stops

STL11:09 pmLambert-St Louis

$1,980

Find similar

Fiji Airways

Aug 14

STL7:41 pmLambert-St Louis

24h 59m

2 stops

CNS11:40 amCairns

Aug 18

CNS12:40 pmCairns

25h 29m

2 stops

STL11:09 pmLambert-St Louis

$2,146

Find similar

Air Canada flights from St. Louis to Cairns

Our best Air Canada deals on St. Louis to Cairns flight tickets

Air Canada

Aug 14

STL4:00 pmLambert-St Louis

56h 55m

3 stops

CNS3:55 pmCairns

Aug 18

CNS4:35 pmCairns

42h 10m

3 stops

STL7:45 pmLambert-St Louis

$3,305

Find similar

Air Canada

Aug 14

STL9:15 amLambert-St Louis

39h 40m

3 stops

CNS3:55 pmCairns

Aug 18

CNS4:35 pmCairns

42h 10m

3 stops

STL7:45 pmLambert-St Louis

$3,692

Find similar

Air Canada

Aug 14

STL4:00 pmLambert-St Louis

56h 55m

3 stops

CNS3:55 pmCairns

Aug 18

CNS4:35 pmCairns

42h 10m

3 stops

STL7:45 pmLambert-St Louis

$3,737

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Thu 8/14

7:41 pm-11:40 am

2 stops24h 59m

Cairns

Mon 8/18

12:40 pm-11:09 pm

2 stops25h 29m

$1,980

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Thu 8/14

7:41 pm-11:40 am

2 stops24h 59m

Cairns

Mon 8/18

12:40 pm-11:09 pm

2 stops25h 29m

$2,146

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Thu 8/14

4:00 pm-3:55 pm

3 stops56h 55m

Cairns

Mon 8/18

4:35 pm-7:45 pm

3 stops42h 10m

$3,305

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Thu 8/14

9:15 am-3:55 pm

3 stops39h 40m

Cairns

Mon 8/18

4:35 pm-7:45 pm

3 stops42h 10m

$3,692

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Thu 8/14

4:00 pm-3:55 pm

3 stops56h 55m

Cairns

Mon 8/18

4:35 pm-7:45 pm

3 stops42h 10m

$3,737

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Best Price Found	$1,980
Fastest flight time	24h 59m
Direct flights	None
Airports in Cairns	1 airport

The best flight deal from St. Louis to Cairns found on momondo in the last 72 hours is $1,980

The fastest flight from St. Louis to Cairns takes 24h 59m

There are no direct flights from St. Louis to Cairns. Popular non-direct route for this connection is Lambert-St Louis Airport - Cairns Airport.

There is 1 airport near Cairns: Cairns (CNS)

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 24h 59m, 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 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.

How do I get Price Alerts for flights from St. Louis to Cairns?
Confirm your travel details to search for the latest offers for flights from St. Louis to Cairns. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from St. Louis to Cairns with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Cairns. momondo saves you time and could save you money on your trip.

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.