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$971+ Cheap flights to St. Louis

— STL
18 Nov — 25 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 -
1 stop29h 36m
Sat 24/1015:20 -
2 stops35h 35m
Deal found 14/10$1,601
Wed 21/1015:05 -
2 stops45h 52m
Sat 24/1019:10 -
2 stops33h 40m
Deal found 14/10$2,515
Fri 18/1209:15 -
1 stop30h 15m
Sat 2/118:09 -
2 stops43h 11m
Deal found 16/10$2,601
Fri 18/1209:55 -
3 stops28h 27m
Sat 2/108:05 -
3 stops31h 30m
Deal found 16/10$2,893
Wed 21/1011:20 -
1 stop23h 23m
Sat 24/1015:12 -
1 stop23h 48m
Deal found 14/10$2,988
Fri 18/1211:50 -
2 stops25h 33m
Sat 2/117:59 -
2 stops45h 36m
Deal found 16/10$3,381
Fri 18/1209:15 -
1 stop24h 29m
Mon 4/117:07 -
1 stop23h 13m
Deal found 14/10$3,399
Fri 18/1211:50 -
2 stops27h 40m
Mon 4/106:15 -
2 stops37h 35m
Deal found 14/10$3,502

Find flight deals to St. Louis

Return from

$1,459

One-way from

$971

Popular in

January

Cheapest in

July

Average price

$1,804
Qantas Airways
  • Qantas Airways
  • 4/3-29/3
  • 2 total stops
  • 54h 07m total
  • Sydney to St. Louis
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United Airlines
  • United Airlines
  • 13/11-31/12
  • 1 total stop
  • 21h 58m total
  • Sydney to St. Louis
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($338 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($101 potential savings vs. average return price).
Search Deals
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

09:15-21:40

2 stops29h 25m

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

11:10-20:22

2 stops26h 12m

Lambert-St Louis

Wed 31/12

00:00-16:00

Nonstop0h 00m

$971

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

$1,316

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Thu 4/3

09:20-17:09

2 stops24h 49m

Lambert-St Louis

Mon 29/3

19:06-07:55

1 stop20h 49m

$1,460

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Tue 19/1

09:20-14:06

1 stop21h 46m

Lambert-St Louis

Wed 3/2

08:30-06:20

1 stop28h 50m

$1,460

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Tue 19/1

14:05-23:30

1 stop26h 25m

Lambert-St Louis

Wed 3/2

14:28-06:25

2 stops22h 57m

$1,475

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

$2,126

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Thu 4/3

14:05-23:19

3 stops26h 14m

Lambert-St Louis

Mon 29/3

13:30-08:45

3 stops27h 15m

$2,141

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Tue 19/1

09:55-23:20

3 stops30h 25m

Lambert-St Louis

Wed 3/2

10:45-08:35

3 stops28h 50m

$2,270

Flights are sorted by cheapest return flights first.

Deals found on 16/10

Sorted by cheapest first

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
1,114 reviews
Check prices

Food

7.0

Comfort

7.4

Crew

8.1

Entertainment

7.2

Overall

7.5

Boarding

7.7

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
1,114 reviews
Qantas Airways
7.5
Good
1,114 reviews
Check prices

Food

7.0

Comfort

7.4

Crew

8.1

Entertainment

7.2

Overall

7.5

Boarding

7.7

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
7.3
Good
10,389 reviews
Qantas Airways
7.5
Good
1,114 reviews
Check prices

Food

7.0

Comfort

7.4

Crew

8.1

Entertainment

7.2

Overall

7.5

Boarding

7.7

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
12,178 reviews
Qantas Airways
7.5
Good
1,114 reviews
Check prices

Food

7.0

Comfort

7.4

Crew

8.1

Entertainment

7.2

Overall

7.5

Boarding

7.7

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, Melbourne offers the quickest one-way flight (22 hours 20 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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