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, United Airlines 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 $386.

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 $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 (23 hours 28 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).

What are the most popular airlines that fly to St. Louis?

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

How long is the flight to St. Louis?

On average, a flight from Sydney to St. Louis takes 23 hours 28 minutes. Flights to St. Louis from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.

In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 mm per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

$1,509+ Cheap Flights to St. Louis, Missouri

Flights to St. Louis in 2026

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

Cheapest flights to St. Louis
Explore the most affordable flight options available to St. Louis. Find the lowest fares based on data from user searches, with prices last updated on 26 September 2026.

Mon 9/1109:15 -

1 stop24h 35m

Mon 16/1114:55 -

1 stop23h 05m

Deal found 25/9$1,509

Wed 21/1010:10 -

2 stops43h 34m

Sat 24/1006:32 -

1 stop32h 23m

Deal found 23/9$1,630

Fri 6/1110:40 -

2 stops30h 14m

Fri 13/1112:28 -

2 stops27h 02m

Deal found 21/9$1,895

Fri 6/1114:05 -

1 stop24h 54m

Fri 13/1108:10 -

1 stop29h 15m

Deal found 21/9$1,898

Mon 9/1111:05 -

3 stops26h 15m

Mon 16/1114:28 -

2 stops25h 32m

Deal found 25/9$2,304

Wed 21/1015:50 -

2 stops38h 40m

Sat 24/1006:02 -

2 stops45h 18m

Deal found 24/9$2,541

Find flight deals to St. Louis

Return from	$1,509
Popular in	January
Cheapest in	July
Average price	$2,276

United Airlines
9/11-16/11
3 total stops
48h 38m 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

Search Deals

Fly from

Route

Depart

Return

Price

Cheapest return flight

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

$1,509

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

$1,653

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

$2,541

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Wed 21/10

22:05-21:21

3 stops39h 16m

Lambert-St Louis

Sat 24/10

08:00-19:25

3 stops67h 25m

$2,698

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Thu 17/12

11:50-05:26

1 stop34h 36m

Lambert-St Louis

Sun 27/12

06:11-09:20

1 stop34h 09m

$2,938

Fastest return journey

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Wed 21/10

11:20-18:43

1 stop23h 23m

Lambert-St Louis

Sat 24/10

15:12-07:00

1 stop23h 48m

$2,971

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Fri 18/12

11:50-21:08

2 stops26h 18m

Lambert-St Louis

Sat 26/12

09:35-09:05

2 stops30h 30m

$3,242

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.

SYD-STL

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

Airlines

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

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

Reviews

1 / 20

10.0

Excellent

Tania,May 2026

SYD - DFW

United Airlines

7.4

Good

10,248 reviews

Qantas Airways

7.5

Good

1,102 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Tania,May 2026

SYD - DFW

American Airlines

7.0

Good

12,097 reviews

Qantas Airways

7.5

Good

1,102 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Tania,May 2026

SYD - DFW

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, United Airlines 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 $386.
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 $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 (23 hours 28 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).

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$1,509+ Cheap flights to St. Louis

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.

Flights to St. Louis in 2026

Cheapest flights to St. LouisExplore the most affordable flight options available to St. Louis. Find the lowest fares based on data from user searches, with prices last updated on 26 September 2026.

Explore the most affordable flight options available to St. Louis. Find the lowest fares based on data from user searches, with prices last updated on 26 September 2026.

Best flights to St. LouisDiscover carefully curated flight deals to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 September 2026.

Discover carefully curated flight deals to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 September 2026.

Last-minute flights to St. LouisDiscover last-minute flight deals to St. Louis. Data last updated 26 September 2026 and is based on user searches.

Discover last-minute flight deals to St. Louis. Data last updated 26 September 2026 and is based on user searches.

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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.

Rainfall in St. Louis by month

In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 mm per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.

Temperature in St. Louis by month

How long is the flight to St. Louis?

On average, a flight from Sydney to St. Louis takes 23 hours 28 minutes. Flights to St. Louis from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.

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.

FAQs about flying to St. Louis

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

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

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

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

How much is a return flight to St. Louis?

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

Does Lambert-St Louis have car hire?

Are there hotels close to Lambert-St Louis?

Browse thousands of different options on Cheapflights for your next trip

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Cheapest flights to St. Louis
Explore the most affordable flight options available to St. Louis. Find the lowest fares based on data from user searches, with prices last updated on 26 September 2026.

Best flights to St. Louis
Discover carefully curated flight deals to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 September 2026.

Last-minute flights to St. Louis
Discover last-minute flight deals to St. Louis. Data last updated 26 September 2026 and is based on user searches.