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Cheap flights from St. Louis to Cairns from $1,884

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from St. Louis to Cairns

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
8:10 am - 7:15 pmSTL  Lambert-St Louis-CNS Cairns
43h 05m2 stops Los Angeles Los Angeles Brisbane
Qantas Airways Logo
9:15 am - 8:42 pmCNS  Cairns-STL Lambert-St Louis
27h 27m2 stops Brisbane Los Angeles Los Angeles
$1,884Qantas Airways
Sat, Nov 7 - Wed, Nov 11
Qantas Airways Logo
8:10 am - 10:30 amSTL  Lambert-St Louis-CNS Cairns
34h 20m2 stops Los Angeles Los Angeles Brisbane
Qantas Airways Logo
3:40 pm - 8:42 pmCNS  Cairns-STL Lambert-St Louis
45h 02m2 stops Brisbane Los Angeles Los Angeles
$1,885Qantas Airways
Sat, Nov 7 - Wed, Nov 11
Air Canada Logo
4:05 pm - 2:55 pmSTL  Lambert-St Louis-CNS Cairns
54h 50m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith
Air Canada Logo
3:45 pm - 3:26 pmCNS  Cairns-STL Lambert-St Louis
63h 41m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl
$3,410Air Canada
Sat, Nov 7 - Wed, Nov 11
Air Canada Logo
4:05 pm - 2:55 pmSTL  Lambert-St Louis-CNS Cairns
54h 50m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith
Air Canada Logo
3:45 pm - 3:26 pmCNS  Cairns-STL Lambert-St Louis
63h 41m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl
$3,411Air Canada
Sat, Nov 7 - Wed, Nov 11
Air Canada Logo
4:05 pm - 2:55 pmSTL  Lambert-St Louis-CNS Cairns
54h 50m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith
Air Canada Logo
3:45 pm - 3:26 pmCNS  Cairns-STL Lambert-St Louis
63h 41m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl
$3,451Air Canada
Sat, Nov 7 - Wed, Nov 11

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Qantas Airways flights from St. Louis to Cairns

Our best Qantas Airways deals on St. Louis to Cairns flight tickets
Qantas Airways
Nov 7
STL8:10 amLambert-St Louis
34h 20m
2 stops
CNS10:30 amCairns
Nov 11
CNS3:40 pmCairns
45h 02m
2 stops
STL8:42 pmLambert-St Louis
$1,884
Qantas Airways
Nov 7
STL8:10 amLambert-St Louis
34h 20m
2 stops
CNS10:30 amCairns
Nov 11
CNS3:40 pmCairns
45h 02m
2 stops
STL8:42 pmLambert-St Louis
$1,885

Air Canada flights from St. Louis to Cairns

Our best Air Canada deals on St. Louis to Cairns flight tickets
Air Canada
Nov 7
STL4:05 pmLambert-St Louis
54h 50m
3 stops
CNS2:55 pmCairns
Nov 11
CNS3:45 pmCairns
63h 41m
3 stops
STL3:26 pmLambert-St Louis
$3,410
Air Canada
Nov 7
STL4:05 pmLambert-St Louis
54h 50m
3 stops
CNS2:55 pmCairns
Nov 11
CNS3:45 pmCairns
63h 41m
3 stops
STL3:26 pmLambert-St Louis
$3,411
Air Canada
Nov 7
STL4:05 pmLambert-St Louis
54h 50m
3 stops
CNS2:55 pmCairns
Nov 11
CNS3:45 pmCairns
63h 41m
3 stops
STL3:26 pmLambert-St Louis
$3,451

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Cairns that are best for you.

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Cheapest round-trip
Quickest round-trip

St. LouisCairns

STL Lambert-St Louis - CNS Cairns

STLCNS

Lambert-St Louis

Sat 11/7

8:10 am-7:15 pm

2 stops43h 05m

Cairns

Wed 11/11

9:15 am-8:42 pm

2 stops27h 27m

$1,884

St. LouisCairns

STL Lambert-St Louis - CNS Cairns

STLCNS

Lambert-St Louis

Sat 11/7

8:10 am-10:30 am

2 stops34h 20m

Cairns

Wed 11/11

3:40 pm-8:42 pm

2 stops45h 02m

$1,885

St. LouisCairns

STL Lambert-St Louis - CNS Cairns

STLCNS

Lambert-St Louis

Sat 11/7

4:05 pm-2:55 pm

3 stops54h 50m

Cairns

Wed 11/11

3:45 pm-3:26 pm

3 stops63h 41m

$3,410

St. LouisCairns

STL Lambert-St Louis - CNS Cairns

STLCNS

Lambert-St Louis

Sat 11/7

4:05 pm-2:55 pm

3 stops54h 50m

Cairns

Wed 11/11

3:45 pm-3:26 pm

3 stops63h 41m

$3,411

St. LouisCairns

STL Lambert-St Louis - CNS Cairns

STLCNS

Lambert-St Louis

Sat 11/7

4:05 pm-2:55 pm

3 stops54h 50m

Cairns

Wed 11/11

3:45 pm-3:26 pm

3 stops63h 41m

$3,451

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

$1,884

Fastest flight time

34h 20m

Direct flights

None
The best flight deal from St. Louis to Cairns found on momondo in the last 72 hours is $1,884
The fastest flight from St. Louis to Cairns takes 34h 20m
There are no direct flights from St. Louis to Cairns. There are no popular flight routes from St. Louis to Cairns.
Search flight deals

Frequently asked questions about flying from St. Louis to Cairns

  • 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 34h 20m, 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.

Frequently asked questions about flying from St. Louis to Cairns

  • 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.

Traveling to a place near Cairns?

Book flights to Cairns if you plan to visit one of these locations
Port Douglas
Mission Beach
Trinity Beach

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.

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