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$889+ Cheap flights to St. Louis

— STL
5 Nov — 12 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 21/1010:10 -
2 stops40h 40m
Sat 24/1015:20 -
2 stops25h 40m
Deal found 1/10$1,447
Sun 15/1109:15 -
1 stop30h 11m
Sun 22/1119:05 -
1 stop21h 15m
Deal found 1/10$1,581
Wed 18/1109:15 -
1 stop21h 58m
Sat 12/1216:30 -
2 stops47h 35m
Deal found 5/10$1,732
Wed 21/1008:40 -
2 stops29h 19m
Sat 24/1019:10 -
2 stops33h 40m
Deal found 5/10$2,506
Wed 18/1114:05 -
1 stop21h 11m
Sat 12/1218:44 -
1 stop43h 11m
Deal found 5/10$2,522
Wed 18/1114:05 -
3 stops26h 19m
Sat 12/1209:40 -
3 stops29h 55m
Deal found 5/10$2,533

Find flight deals to St. Louis

Return from

$1,447

One-way from

$889

Popular in

January

Cheapest in

July

Average price

$1,802
American Airlines
  • American Airlines
  • 21/10-24/10
  • 4 total stops
  • 66h 20m total
  • Sydney to St. Louis
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Delta
  • Delta
  • 12/11-31/12
  • 2 total stops
  • 26h 49m total
  • Sydney to St. Louis
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($411 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($109 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

Thu 12/11

11:50-18:05

1 stop23h 15m

Lambert-St Louis

Wed 31/12

00:00-16:00

Nonstop0h 00m

$889

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Thu 12/11

10:40-20:29

2 stops26h 49m

Lambert-St Louis

Wed 31/12

00:00-16:00

Nonstop0h 00m

$889

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Fri 13/11

11:10-20:42

1 stop26h 32m

Lambert-St Louis

Wed 31/12

00:00-16:00

Nonstop0h 00m

$971
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

$973

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Thu 12/11

17:10-23:59

3 stops47h 49m

Lambert-St Louis

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,234

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Fri 13/11

14:05-23:24

3 stops26h 19m

Lambert-St Louis

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,269

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

$1,556

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Sun 15/11

11:50-18:05

1 stop23h 15m

Lambert-St Louis

Sun 22/11

14:55-09:20

2 stops25h 25m

$1,581

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Wed 18/11

09:15-14:13

1 stop21h 58m

Lambert-St Louis

Sat 12/12

16:30-09:05

2 stops47h 35m

$1,732

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Wed 21/10

08:40-21:59

2 stops29h 19m

Lambert-St Louis

Sat 24/10

19:10-20:50

2 stops33h 40m

$2,506

Flights are sorted by cheapest return flights first.

Deals found on 3/10

Showing 1-10 of 14 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
1,103 reviews
Check prices

Overall

7.5

Comfort

7.4

Food

7.0

Entertainment

7.2

Boarding

7.7

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
1,103 reviews
Qantas Airways
7.5
Good
1,103 reviews
Check prices

Overall

7.5

Comfort

7.4

Food

7.0

Entertainment

7.2

Boarding

7.7

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
10,289 reviews
Qantas Airways
7.5
Good
1,103 reviews
Check prices

Overall

7.5

Comfort

7.4

Food

7.0

Entertainment

7.2

Boarding

7.7

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
7.0
Good
12,129 reviews
Qantas Airways
7.5
Good
1,103 reviews
Check prices

Overall

7.5

Comfort

7.4

Food

7.0

Entertainment

7.2

Boarding

7.7

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 $170, while return flights cost around $390.

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

    A return flight to St. Louis will typically cost around $412, however they can be found for as little as $390.

  • 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 37 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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