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 $172, while return flights cost around $393.

How much is a return flight to St. Louis?

A return flight to St. Louis will typically cost around $415, however they can be found for as little as $393.

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 4 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).

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 21 hours 4 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).

$805+ 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

One-way

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 10 November 2026.

Thu 12/1111:10 -

2 stops40h 43m

Mon 16/1114:54 -

1 stop23h 01m

Deal found 6/11$1,602

Sat 7/1111:10 -

1 stop26h 32m

Sat 14/1114:54 -

2 stops25h 06m

Deal found 5/11$1,882

Sat 7/1111:00 -

3 stops25h 39m

Sat 14/1114:28 -

2 stops22h 57m

Deal found 5/11$2,539

Thu 24/1211:10 -

1 stop27h 18m

Thu 31/1206:01 -

1 stop33h 59m

Deal found 8/11$2,918

Thu 24/1219:25 -

2 stops41h 58m

Thu 31/1206:15 -

2 stops33h 20m

Deal found 8/11$2,931

Thu 12/1111:20 -

2 stops24h 18m

Mon 16/1116:39 -

2 stops23h 41m

Deal found 7/11$2,955

Thu 24/1211:10 -

1 stop27h 18m

Thu 31/1214:50 -

2 stops25h 10m

Deal found 8/11$2,957

Find flight deals to St. Louis

Return from	$1,685
One-way from	$805
Popular in	June
Cheapest in	January
Average price	$1,759

American Airlines
27/2-31/3
2 total stops
55h 09m total
Sydney to St. Louis

Search Deals

28/2-31/12
3 total stops
36h 25m total
Sydney to St. Louis

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($111 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($55 potential savings vs. average return price).

Search Deals

Average for return flights in November 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

Sun 28/2

14:55-10:20

3 stops36h 25m

Lambert-St Louis

Wed 31/12

00:00-16:00

Nonstop0h 00m

$805

Fastest return journey

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Sun 22/11

06:20-12:26

2 stops23h 06m

Lambert-St Louis

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,059

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Sat 14/11

09:10-18:09

2 stops25h 59m

Lambert-St Louis

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,095

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Sat 14/11

11:10-20:42

1 stop26h 32m

Lambert-St Louis

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,111

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Sun 22/11

11:50-22:15

1 stop27h 25m

Lambert-St Louis

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,113

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Sun 28/2

11:20-23:59

1 stop29h 39m

Lambert-St Louis

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,134

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Sun 18/4

13:15-23:44

3 stops49h 29m

Lambert-St Louis

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,155

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Sat 14/11

21:40-11:19

3 stops30h 39m

Lambert-St Louis

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,281

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Sun 18/4

10:20-22:09

1 stop26h 49m

Lambert-St Louis

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,672

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Sun 28/2

14:05-20:46

2 stops23h 41m

Lambert-St Louis

Wed 31/3

06:00-08:05

1 stop34h 05m

$1,718

Flights are sorted by cheapest return flights first.

Deals found on 8/11

Showing 1-10 of 19 resultsSorted 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

1,123 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Jodie,Oct 2026

SYD - GFF

Pretty good but it was delayed by almost an hour

Qantas Airways

7.5

Good

1,123 reviews

Qantas Airways

7.5

Good

1,123 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Jodie,Oct 2026

SYD - GFF

Pretty good but it was delayed by almost an hour

United Airlines

7.3

Good

10,476 reviews

Qantas Airways

7.5

Good

1,123 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Jodie,Oct 2026

SYD - GFF

Pretty good but it was delayed by almost an hour

American Airlines

7.0

Good

12,226 reviews

Qantas Airways

7.5

Good

1,123 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Jodie,Oct 2026

SYD - GFF

Pretty good but it was delayed by almost an hour

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 $172, while return flights cost around $393.
How much is a return flight to St. Louis?
A return flight to St. Louis will typically cost around $415, however they can be found for as little as $393.
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 4 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).

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$805+ 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 28/2. 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 10 November 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 10 November 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 10 November 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 10 November 2026.

Last-minute flights to St. LouisDiscover last-minute flight deals to St. Louis. Data last updated 10 November 2026 and is based on user searches.

Discover last-minute flight deals to St. Louis. Data last updated 10 November 2026 and is based on user searches.

One-way flights to St. LouisSearch for one-way flight options to St. Louis. Find affordable one-way fares based on user searches. Data last updated 10 November 2026.

Search for one-way flight options to St. Louis. Find affordable one-way fares based on user searches. Data last updated 10 November 2026.

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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 21 hours 4 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 10 November 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 10 November 2026.

Last-minute flights to St. Louis
Discover last-minute flight deals to St. Louis. Data last updated 10 November 2026 and is based on user searches.

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Search for one-way flight options to St. Louis. Find affordable one-way fares based on user searches. Data last updated 10 November 2026.