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$1,450+ Cheap flights to St. Louis

— STL
29 Oct — 5 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 28/9$1,450
Tue 27/1011:10 -
1 stop28h 36m
Tue 3/1108:10 -
1 stop31h 50m
Deal found 26/9$1,498
Wed 4/1111:10 -
1 stop26h 32m
Sun 29/1106:00 -
1 stop34h 00m
Deal found 26/9$1,503
Tue 27/1011:10 -
2 stops23h 06m
Tue 3/1114:54 -
2 stops25h 06m
Deal found 26/9$1,504
Mon 9/1109:15 -
1 stop24h 35m
Mon 16/1114:55 -
1 stop23h 05m
Deal found 25/9$1,510
Wed 4/1114:00 -
3 stops39h 33m
Sun 29/1117:15 -
3 stops59h 50m
Deal found 26/9$1,551
Wed 18/1114:05 -
1 stop23h 15m
Tue 1/1206:00 -
1 stop34h 00m
Deal found 28/9$1,553
Wed 4/1114:05 -
2 stops25h 10m
Sun 29/1106:00 -
1 stop34h 00m
Deal found 26/9$1,580
Thu 12/1114:05 -
1 stop21h 11m
Thu 19/1106:00 -
1 stop34h 00m
Deal found 28/9$1,649

Find flight deals to St. Louis

Return from

$1,450

Popular in

January

Cheapest in

July

Average price

$2,278
American Airlines
  • American Airlines
  • 21/10-24/10
  • 4 total stops
  • 66h 20m total
  • Sydney to St. Louis
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($409 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($107 potential savings vs. average return price).
Search Deals
Average for return flights in September 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
Fastest return journey

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Mon 9/11

09:15-16:50

1 stop24h 35m

Lambert-St Louis

Mon 16/11

14:55-07:00

1 stop23h 05m

$1,510

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Wed 21/10

10:10-10:50

2 stops40h 40m

Lambert-St Louis

Sat 24/10

08:48-06:55

1 stop30h 07m

$1,654

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

Thu 19/11

06:13-08:30

2 stops33h 17m

$1,943

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Wed 4/11

10:40-09:17

2 stops39h 37m

Lambert-St Louis

Sun 29/11

06:13-08:30

2 stops33h 17m

$1,991

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Mon 9/11

11:05-20:20

3 stops26h 15m

Lambert-St Louis

Mon 16/11

14:28-09:00

2 stops25h 32m

$2,305

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Wed 18/11

14:05-23:24

3 stops26h 19m

Lambert-St Louis

Thu 3/12

08:40-08:35

3 stops30h 55m

$2,450

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Wed 21/10

15:50-14:30

2 stops38h 40m

Lambert-St Louis

Sat 24/10

06:02-19:20

2 stops45h 18m

$2,543

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Wed 21/10

22:05-21:21

3 stops63h 16m

Lambert-St Louis

Sat 24/10

08:00-19:25

3 stops67h 25m

$2,686

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Wed 4/11

09:55-19:22

3 stops26h 27m

Lambert-St Louis

Sun 29/11

14:48-08:15

2 stops24h 27m

$2,857

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Thu 12/11

10:25-19:22

3 stops25h 57m

Lambert-St Louis

Thu 19/11

14:48-08:05

2 stops24h 17m

$2,862

Flights are sorted by cheapest return flights first.

Deals found on 25/9

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
1,102 reviews
Check prices

Comfort

7.4

Overall

7.5

Boarding

7.7

Entertainment

7.2

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
1,102 reviews
Qantas Airways
7.5
Good
1,102 reviews
Check prices

Comfort

7.4

Overall

7.5

Boarding

7.7

Entertainment

7.2

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
10,256 reviews
Qantas Airways
7.5
Good
1,102 reviews
Check prices

Comfort

7.4

Overall

7.5

Boarding

7.7

Entertainment

7.2

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
7.0
Good
12,100 reviews
Qantas Airways
7.5
Good
1,102 reviews
Check prices

Comfort

7.4

Overall

7.5

Boarding

7.7

Entertainment

7.2

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 $169, while return flights cost around $387.

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

    A return flight to St. Louis will typically cost around $408, however they can be found for as little as $387.

  • 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 (21 hours 11 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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