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$963+ Cheap flights to St. Louis

— STL
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

Flights to St. Louis in 2026

Enter your travel dates to find the best prices.

Cheapest flights to St. Louis

Wed 18/1114:05 -
1 stop24h 54m
Tue 1/1206:00 -
1 stop34h 00m
Deal found 21/10$1,344
Sat 21/1111:10 -
1 stop29h 48m
Sat 28/1110:21 -
1 stop27h 34m
Deal found 24/10$1,612
Sat 21/1111:15 -
1 stop29h 43m
Sat 28/1107:41 -
1 stop30h 14m
Deal found 24/10$1,727
Sat 21/1111:20 -
2 stops29h 04m
Sat 28/1113:08 -
2 stops26h 57m
Deal found 24/10$1,866

Find flight deals to St. Louis

Return from

$1,344

One-way from

$963

Popular in

January

Cheapest in

July

Average price

$1,781
American Airlines
  • American Airlines
  • 18/11-1/12
  • 2 total stops
  • 58h 54m total
  • Sydney to St. Louis
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American Airlines
  • American Airlines
  • 13/11-31/12
  • 2 total stops
  • 26h 12m total
  • Sydney to St. Louis
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($334 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease ($100 potential savings vs. average return price).
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Average for return flights in October 2026
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Cheapflights Fare Finder

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

Fly from

Route

Depart

Return

Price

Cheapest return flight

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Fri 13/11

11:10-20:22

2 stops26h 12m

Lambert-St Louis

Wed 31/12

00:00-16:00

Nonstop0h 00m

$963
Fastest return journey

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Fri 13/11

09:15-14:13

1 stop21h 58m

Lambert-St Louis

Wed 31/12

00:00-16:00

Nonstop0h 00m

$966

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Fri 13/11

11:50-23:24

3 stops28h 34m

Lambert-St Louis

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,261

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Tue 19/1

10:40-08:12

2 stops38h 32m

Lambert-St Louis

Wed 3/2

06:45-08:30

2 stops32h 45m

$1,456

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Tue 19/1

13:20-18:17

1 stop21h 57m

Lambert-St Louis

Wed 3/2

08:30-06:20

1 stop28h 50m

$1,456

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Sat 21/11

11:10-23:58

1 stop29h 48m

Lambert-St Louis

Sat 28/11

13:25-06:55

2 stops24h 30m

$1,649

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Sat 21/11

11:20-23:24

2 stops29h 04m

Lambert-St Louis

Sat 28/11

13:08-09:05

2 stops26h 57m

$1,866

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Wed 31/3

10:10-23:56

1 stop29h 46m

Lambert-St Louis

Sun 4/4

14:24-06:25

2 stops25h 01m

$2,121

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Fri 4/12

11:10-20:40

1 stop26h 30m

Lambert-St Louis

Fri 11/12

14:54-09:00

2 stops25h 06m

$2,304

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Sat 21/11

11:00-19:39

3 stops25h 39m

Lambert-St Louis

Sat 28/11

18:55-11:05

2 stops23h 10m

$2,565

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Best time to book a flight to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight to St. Louis

What are the cheapest airlines that fly to St. Louis?

The cheapest airlines flying from Sydney to St. Louis are United Airlines, American Airlines and Qantas Airways.

Reviews of airlines servicing St. Louis

Get a feel of what it's like to fly with Qantas Airways,United Airlines, andAmerican Airlines to the United States by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
1,116 reviews
Check prices

Food

7.0

Comfort

7.4

Boarding

7.7

Crew

8.1

Overall

7.5

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Jodie,Oct 2026

SYD - GFF

Pretty good but it was delayed by almost an hour
Qantas Airways
7.5
Good
1,116 reviews
Qantas Airways
7.5
Good
1,116 reviews
Check prices

Food

7.0

Comfort

7.4

Boarding

7.7

Crew

8.1

Overall

7.5

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Jodie,Oct 2026

SYD - GFF

Pretty good but it was delayed by almost an hour
United Airlines
7.3
Good
10,432 reviews
Qantas Airways
7.5
Good
1,116 reviews
Check prices

Food

7.0

Comfort

7.4

Boarding

7.7

Crew

8.1

Overall

7.5

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Jodie,Oct 2026

SYD - GFF

Pretty good but it was delayed by almost an hour
American Airlines
7.0
Good
12,193 reviews
Qantas Airways
7.5
Good
1,116 reviews
Check prices

Food

7.0

Comfort

7.4

Boarding

7.7

Crew

8.1

Overall

7.5

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Jodie,Oct 2026

SYD - GFF

Pretty good but it was delayed by almost an hour

FAQs about flying to St. Louis

  • What airport do you fly into for flights to St. Louis?

    If you book a flight to St. Louis, you will be flying into Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 20.4 km from the centre of St. Louis.

  • Can I find cheaper flights to St. Louis if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to St. Louis on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to St. Louis?

    Based on reviews from Cheapflights users, Qantas Airways is rated the highest out of the airlines that fly to St. Louis.

  • What is the cheapest airport to fly to in St. Louis?

    Lambert-St Louis is currently the cheapest airport to fly to in St. Louis. One-way flights to Lambert-St Louis typically cost $168, while return flights cost around $386.

  • How much is a return flight to St. Louis?

    A return flight to St. Louis will typically cost around $407, however they can be found for as little as $386.

  • Where does the fastest flight to St. Louis depart from?

    For those looking to save time traveling to St. Louis, Sydney Kingsford Smith offers the quickest one-way flight (22 hours 6 minutes).

  • Does Lambert-St Louis have car hire?

    Yes. Those touching down at Lambert-St Louis can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Lambert-St Louis?

    Yes. Lambert-St Louis has hotels nearby for those requiring accommodations. Hampton Inn St. Louis-Airport is the closest property to Lambert-St Louis (0.0 km away from Lambert-St Louis).

See more FAQs

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