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$1,010+ Cheap flights to St. Louis

— STL
24 Sep — 1 Oct1
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

Tue 17/1111:15 -
1 stop29h 30m
Tue 1/1208:29 -
1 stop29h 26m
Deal found 21/8$1,372
Wed 21/1010:10 -
2 stops43h 34m
Sat 24/1015:20 -
1 stop23h 35m
Deal found 21/8$1,506
Thu 8/1013:00 -
1 stop21h 20m
Thu 15/1006:04 -
2 stops36h 26m
Deal found 24/8$1,656
Tue 17/1111:50 -
2 stops22h 07m
Tue 1/1213:15 -
3 stops26h 50m
Deal found 21/8$1,749
Tue 13/1010:10 -
1 stop29h 36m
Thu 5/1106:02 -
1 stop33h 58m
Deal found 20/8$1,774

Find flight deals to St. Louis

Return from

$1,372

One-way from

$1,010

Popular in

April

Cheapest in

September

Average price

$1,486
American Airlines
  • American Airlines
  • 17/11-1/12
  • 2 total stops
  • 58h 56m total
  • Sydney to St. Louis
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American Airlines
  • American Airlines
  • 2/11
  • 1 total stop
  • 26h 32m total
  • Sydney to St. Louis
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($221 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($48 potential savings vs. average return price).
Search Deals
Average for return flights in August 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

Wed 21/10

10:10-13:44

2 stops43h 34m

Lambert-St Louis

Sat 24/10

15:20-06:55

1 stop23h 35m

$1,506
Fastest return journey

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Tue 13/10

11:20-16:37

2 stops21h 17m

Lambert-St Louis

Thu 5/11

13:08-09:20

2 stops27h 12m

$1,799

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Sat 21/11

11:20-16:57

2 stops22h 37m

Lambert-St Louis

Sat 28/11

21:48-07:00

2 stops40h 12m

$1,799

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Sun 4/10

11:20-18:43

1 stop23h 23m

Lambert-St Louis

Sun 11/10

09:00-08:00

2 stops31h 00m

$2,219

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Thu 8/10

06:25-18:43

3 stops28h 18m

Lambert-St Louis

Thu 15/10

14:27-08:05

2 stops25h 38m

$2,309

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Sun 4/10

10:10-23:30

1 stop29h 20m

Lambert-St Louis

Sun 11/10

06:04-08:05

1 stop34h 01m

$2,363

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Sun 4/10

10:10-23:30

1 stop29h 20m

Lambert-St Louis

Sun 11/10

06:04-10:30

2 stops36h 26m

$2,377

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Wed 21/10

10:20-16:37

2 stops22h 17m

Lambert-St Louis

Sat 24/10

13:36-08:35

2 stops26h 59m

$2,529
Cheapest one-way

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Mon 2/11

11:10-18:16

2 stops24h 06m

$1,017
Fastest single journey

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Sat 21/11

11:20-18:15

2 stops23h 55m

$1,085

Flights are sorted by cheapest return flights first.

Deals found on 24/8

Showing 1-10 of 16 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
1,085 reviews
Check prices

Entertainment

7.2

Overall

7.5

Boarding

7.7

Comfort

7.4

Food

7.0

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!
Qantas Airways
7.5
Good
1,085 reviews
Qantas Airways
7.5
Good
1,085 reviews
Check prices

Entertainment

7.2

Overall

7.5

Boarding

7.7

Comfort

7.4

Food

7.0

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!
United Airlines
7.4
Good
10,116 reviews
Qantas Airways
7.5
Good
1,085 reviews
Check prices

Entertainment

7.2

Overall

7.5

Boarding

7.7

Comfort

7.4

Food

7.0

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!
American Airlines
7.1
Good
11,982 reviews
Qantas Airways
7.5
Good
1,085 reviews
Check prices

Entertainment

7.2

Overall

7.5

Boarding

7.7

Comfort

7.4

Food

7.0

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!

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 $165, while return flights cost around $916.

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

    A return flight to St. Louis will typically cost around $916, however they can be found for as little as $916.

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

    For those looking to save time traveling to St. Louis, Melbourne offers the quickest one-way flight (24 hours 51 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. St Ann Townhome Less Than 1 Mi to International Airport! is the closest property to Lambert-St Louis (0.0 km away from Lambert-St Louis).

See more FAQs

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