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Cheap flights from Sydney to St. Louis from $1,018

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Sydney to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:10 am - 10:50 amSYD  Sydney Kingsford Smith-STL Lambert-St Louis
40h 40m2 stops Los Angeles Chicago O'Hare Intl
American Airlines Logo
3:20 pm - 9:00 amSTL  Lambert-St Louis-SYD Sydney Kingsford Smith
25h 40m2 stops Dallas/Fort Worth Los Angeles
$1,018American Airlines
Wed, Oct 21 - Sat, Oct 24
Qantas Airways Logo
1:00 pm - 6:20 pmSYD  Sydney Kingsford Smith-STL Lambert-St Louis
21h 20m1 stop Dallas/Fort Worth
Qantas Airways Logo
2:54 pm - 6:55 amSTL  Lambert-St Louis-SYD Sydney Kingsford Smith
23h 01m1 stop Dallas/Fort Worth
$1,047Qantas Airways
Mon, Oct 19 - Wed, Nov 11
Qantas Airways Logo
11:10 am - 11:46 pmSYD  Sydney Kingsford Smith-STL Lambert-St Louis
28h 36m1 stop Los Angeles
Qantas Airways Logo
8:10 am - 9:00 amSTL  Lambert-St Louis-SYD Sydney Kingsford Smith
31h 50m1 stop Los Angeles
$1,052Qantas Airways
Tue, Oct 27 - Tue, Nov 3
Qantas Airways Logo
11:10 am - 8:42 pmSYD  Sydney Kingsford Smith-STL Lambert-St Louis
26h 32m1 stop Los Angeles
Qantas Airways Logo
6:00 am - 9:00 amSTL  Lambert-St Louis-SYD Sydney Kingsford Smith
34h 00m1 stop Los Angeles
$1,055Qantas Airways
Wed, Nov 4 - Sun, Nov 29
American Airlines Logo
10:10 am - 11:46 pmSYD  Sydney Kingsford Smith-STL Lambert-St Louis
29h 36m1 stop Los Angeles
American Airlines Logo
2:54 pm - 9:00 amSTL  Lambert-St Louis-SYD Sydney Kingsford Smith
25h 06m2 stops Dallas/Fort Worth Los Angeles
$1,056American Airlines
Mon, Oct 19 - Wed, Nov 11
Qantas Airways Logo
11:10 am - 8:42 pmSYD  Sydney Kingsford Smith-STL Lambert-St Louis
26h 32m1 stop Los Angeles
Qantas Airways Logo
6:00 am - 9:00 amSTL  Lambert-St Louis-SYD Sydney Kingsford Smith
34h 00m1 stop Los Angeles
$1,056Qantas Airways
Wed, Nov 4 - Sun, Nov 29
American Airlines Logo
11:10 am - 11:46 pmSYD  Sydney Kingsford Smith-STL Lambert-St Louis
28h 36m1 stop Los Angeles
American Airlines Logo
2:54 pm - 9:00 amSTL  Lambert-St Louis-SYD Sydney Kingsford Smith
25h 06m2 stops Dallas/Fort Worth Los Angeles
$1,056American Airlines
Tue, Oct 27 - Tue, Nov 3
American Airlines Logo
11:10 am - 6:16 pmSYD  Sydney Kingsford Smith-STL Lambert-St Louis
23h 06m2 stops Los Angeles Chicago O'Hare Intl
American Airlines Logo
2:54 pm - 9:00 amSTL  Lambert-St Louis-SYD Sydney Kingsford Smith
25h 06m2 stops Dallas/Fort Worth Los Angeles
$1,056American Airlines
Tue, Oct 27 - Tue, Nov 3
United Airlines Logo
9:15 am - 2:13 pmSYD  Sydney Kingsford Smith-STL Lambert-St Louis
21h 58m1 stop Houston George Bush Intcntl
United Airlines Logo
1:40 pm - 9:20 amSTL  Lambert-St Louis-SYD Sydney Kingsford Smith
26h 40m2 stops Denver Intl San Francisco
$1,060United Airlines
Mon, Nov 9 - Mon, Nov 16
United Airlines Logo
11:50 am - 8:59 pmSYD  Sydney Kingsford Smith-STL Lambert-St Louis
26h 09m2 stops San Francisco Denver Intl
United Airlines Logo
4:39 pm - 9:05 amSTL  Lambert-St Louis-SYD Sydney Kingsford Smith
23h 26m2 stops Denver Intl Los Angeles
$1,060United Airlines
Mon, Nov 9 - Mon, Nov 16

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United Airlines flights from Sydney to St. Louis

Our best United Airlines deals on Sydney to St. Louis flight tickets
United Airlines
Nov 9
SYD9:15 amSydney Kingsford Smith
24h 35m
1 stop
STL4:50 pmLambert-St Louis
Nov 16
STL2:55 pmLambert-St Louis
23h 05m
1 stop
SYD7:00 amSydney Kingsford Smith
$1,060
United Airlines
Nov 4
SYD11:20 amSydney Kingsford Smith
22h 39m
2 stops
STL4:59 pmLambert-St Louis
Nov 29
STL1:08 pmLambert-St Louis
26h 57m
2 stops
SYD9:05 amSydney Kingsford Smith
$1,441
United Airlines
Oct 21
SYD11:20 amSydney Kingsford Smith
23h 23m
1 stop
STL6:43 pmLambert-St Louis
Oct 24
STL3:12 pmLambert-St Louis
23h 48m
1 stop
SYD7:00 amSydney Kingsford Smith
$2,086

Delta flights from Sydney to St. Louis

Our best Delta deals on Sydney to St. Louis flight tickets
Delta
Nov 12
SYD10:40 amSydney Kingsford Smith
26h 49m
2 stops
STL8:29 pmLambert-St Louis
Nov 19
STL6:13 amLambert-St Louis
33h 17m
2 stops
SYD8:30 amSydney Kingsford Smith
$1,364
Delta
Nov 4
SYD10:40 amSydney Kingsford Smith
39h 37m
2 stops
STL9:17 amLambert-St Louis
Nov 29
STL6:13 amLambert-St Louis
33h 17m
2 stops
SYD8:30 amSydney Kingsford Smith
$1,398

momondo Fare Finder

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

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Price

Cheapest round-trip

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Wed 10/21

10:10 am-10:50 am

2 stops40h 40m

Lambert-St Louis

Sat 10/24

3:20 pm-9:00 am

2 stops25h 40m

$1,018
Quickest round-trip

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Mon 10/19

1:00 pm-6:20 pm

1 stop21h 20m

Lambert-St Louis

Wed 11/11

2:54 pm-6:55 am

1 stop23h 01m

$1,047

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Tue 10/27

11:10 am-11:46 pm

1 stop28h 36m

Lambert-St Louis

Tue 11/3

8:10 am-9:00 am

1 stop31h 50m

$1,052

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Wed 11/4

11:10 am-8:42 pm

1 stop26h 32m

Lambert-St Louis

Sun 11/29

6:00 am-9:00 am

1 stop34h 00m

$1,055

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Mon 10/19

10:10 am-11:46 pm

1 stop29h 36m

Lambert-St Louis

Wed 11/11

2:54 pm-9:00 am

2 stops25h 06m

$1,056

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Wed 11/4

11:10 am-8:42 pm

1 stop26h 32m

Lambert-St Louis

Sun 11/29

6:00 am-9:00 am

1 stop34h 00m

$1,056

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Tue 10/27

11:10 am-11:46 pm

1 stop28h 36m

Lambert-St Louis

Tue 11/3

2:54 pm-9:00 am

2 stops25h 06m

$1,056

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Tue 10/27

11:10 am-6:16 pm

2 stops23h 06m

Lambert-St Louis

Tue 11/3

2:54 pm-9:00 am

2 stops25h 06m

$1,056

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Mon 11/9

9:15 am-2:13 pm

1 stop21h 58m

Lambert-St Louis

Mon 11/16

1:40 pm-9:20 am

2 stops26h 40m

$1,060

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Mon 11/9

11:50 am-8:59 pm

2 stops26h 09m

Lambert-St Louis

Mon 11/16

4:39 pm-9:05 am

2 stops23h 26m

$1,060

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to St. Louis from

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

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 typical price of a round-trip flight between Sydney and St. Louis?

Prices are currently low for flights on this route.

Typical prices usually range from $1,137 to $1,254.
The lowest price recently found on this route was $1,018.

What is the cheapest month to fly to St. Louis?

In general, July is the cheapest month to fly from Sydney to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,060. The month of August is another great option to travel to St. Louis, with average flight prices from Sydney averaging around $1,064.

Can stopping save me money on Sydney to St. Louis flights?

You could potentially save up to 51% on your flight if you consider stops on a Sydney to St. Louis flight.

When to book flights from Sydney to St. Louis

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

Cheap Sydney to St. Louis (SYD to STL) flight deals and tips

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

Best Price Found

$1,018

Fastest flight time

21h 11m

Direct flights

None
The best flight deal from Sydney to St. Louis found on momondo in the last 72 hours is $1,018
The fastest flight from Sydney to St. Louis takes 21h 11m
There are no direct flights from Sydney to St. Louis. There are no popular flight routes from Sydney to St. Louis.
Search flight deals

Frequently asked questions about flying from Sydney to St. Louis

  • How far is Sydney Kingsford Smith to Lambert-St Louis by plane?

    A flight from Sydney Kingsford Smith to Lambert-St Louis will travel around 9057.2 mi. Typically, this will take 21h 11m by plane in normal conditions.

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Lambert-St Louis Airport?

    Prices for flights from Sydney Kingsford Smith Airport to Lambert-St Louis Airport are updated daily.

  • How old do you have to be to fly from Sydney Kingsford Smith Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Maryland Heights
St. Peters
Alton
Collinsville
Florissant
Hermann
Farmington
Clayton
Festus
O'Fallon
Fenton
Edwardsville
Eureka
Wentzville
Litchfield
Grafton
Waterloo

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Sydney to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to St. Louis from Sydney with this policy.

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

Once all potential Sydney to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Sydney to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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