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 $165, while return flights cost around $912.

How much is a return flight to St. Louis?

A return flight to St. Louis will typically cost around $912, however they can be found for as little as $912.

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 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. 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 21 hours 20 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).

$1,365+ 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 4 September 2026.

Wed 18/1114:05 -

1 stop24h 54m

Thu 19/1106:00 -

1 stop34h 00m

Deal found 2/9$1,365

Thu 19/1111:10 -

1 stop29h 48m

Tue 1/1214:48 -

1 stop23h 07m

Deal found 31/8$1,543

Wed 21/1010:10 -

2 stops43h 34m

Sat 24/1015:20 -

1 stop23h 35m

Deal found 2/9$1,610

Mon 12/1010:10 -

1 stop29h 36m

Thu 5/1112:58 -

1 stop24h 57m

Deal found 1/9$1,611

Tue 13/1010:10 -

1 stop29h 36m

Thu 5/1112:58 -

1 stop24h 57m

Deal found 31/8$1,613

Tue 20/1010:10 -

1 stop29h 36m

Sat 24/1008:48 -

2 stops34h 57m

Deal found 30/8$1,640

Sat 17/1010:10 -

1 stop29h 36m

Sat 24/1010:12 -

1 stop28h 43m

Deal found 2/9$1,717

Tue 13/1021:00 -

2 stops42h 46m

Thu 5/1108:10 -

1 stop31h 50m

Deal found 31/8$1,766

Find flight deals to St. Louis

Return from	$1,365
Popular in	April
Cheapest in	September
Average price	$1,446

Qantas Airways
18/11-19/11
2 total stops
58h 54m total
Sydney to St. Louis

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($220 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($48 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 12/10

10:10-23:46

1 stop29h 36m

Lambert-St Louis

Thu 5/11

12:58-06:55

1 stop24h 57m

$1,611

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Sat 14/11

10:40-20:09

2 stops26h 29m

Lambert-St Louis

Mon 23/11

06:13-08:30

2 stops33h 17m

$1,806

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Mon 12/10

10:30-16:37

2 stops22h 07m

Lambert-St Louis

Thu 5/11

11:00-09:20

2 stops29h 20m

$1,806

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Sat 14/11

09:20-14:13

1 stop21h 53m

Lambert-St Louis

Mon 23/11

11:00-07:00

1 stop27h 00m

$1,806

Fastest return journey

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Sat 14/11

09:20-14:13

1 stop21h 53m

Lambert-St Louis

Sun 22/11

14:55-07:00

1 stop23h 05m

$1,806

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Tue 13/10

10:30-17:01

2 stops22h 31m

Lambert-St Louis

Thu 5/11

13:08-09:05

3 stops26h 57m

$1,807

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Wed 20/1

11:50-16:26

2 stops21h 36m

Lambert-St Louis

Fri 12/2

13:08-09:05

3 stops26h 57m

$1,809

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Sat 17/10

11:20-18:43

1 stop23h 23m

Lambert-St Louis

Sat 24/10

15:12-08:05

2 stops24h 53m

$1,876

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Wed 20/1

09:55-20:59

3 stops28h 04m

Lambert-St Louis

Fri 12/2

08:33-08:35

3 stops31h 02m

$2,134

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Sat 14/11

10:40-20:09

2 stops26h 29m

Lambert-St Louis

Wed 18/11

19:18-08:30

2 stops44h 12m

$2,353

Flights are sorted by cheapest return flights first.

Deals found on 1/9

Showing 1-10 of 11 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

1,089 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

1,089 reviews

Qantas Airways

7.5

Good

1,089 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Tania,May 2026

SYD - DFW

United Airlines

7.4

Good

10,162 reviews

Qantas Airways

7.5

Good

1,089 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Tania,May 2026

SYD - DFW

American Airlines

7.1

Good

12,037 reviews

Qantas Airways

7.5

Good

1,089 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, 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 $165, while return flights cost around $912.
How much is a return flight to St. Louis?
A return flight to St. Louis will typically cost around $912, however they can be found for as little as $912.
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 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. 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

Browse thousands of different options on Cheapflights for your next trip

Flights by cabin class

Flights from St. Louis

Look for other cheap flights to United States

Complete your trip

Popular routes

Popular destinations

Popular flights

Popular United States flight routes

Airlines

Search flights to St. Louis by cabin class

First Class flights to St. Louis

Business Class flights to St. Louis

Prem Economy Class flights to St. Louis

Economy Class flights to St. Louis

Fly with Cheapflights

How does Cheapflights help users find flights to St. Louis?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to St. Louis today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets to St. Louis?

Millions of users choose and trust Cheapflights to book the best flight deals to St. Louis for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights to St. Louis with no change fees?

Certainly. Search results for flights to St. Louis shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights to St. Louis become cheaper?

Not ready to book yet? You can track prices for flights to St. Louis on Cheapflights with our Price Alerts feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$1,365+ 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 18/11. 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 4 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 4 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 4 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 4 September 2026.

Last-minute flights to St. LouisDiscover last-minute flight deals to St. Louis. Data last updated 4 September 2026 and is based on user searches.

Discover last-minute flight deals to St. Louis. Data last updated 4 September 2026 and is based on user searches.

Find flight deals to St. Louis

Return from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights to St. Louis that are best for you.

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.

Cheapflights Insights

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 20 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights to St. Louis by cabin class

Find flights to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Find the best flight deals from St. Louis

Some of the lowest fares we’ve come across for flights from St. Louis.

Other flight destinations closest to St. Louis

Book a flight to other destinations in United States.

Complete your trip

Reserve a car hire and hotel room to complete your trip to St. Louis.

Most traveled routes by our users

Browse our most popular destinations

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Popular United States flight routes

Browse through the most popular flight routes to the United States at this time.

Fly your favourite airline to St. Louis

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Fly with Cheapflights

How does Cheapflights help users find flights to St. Louis?

Why should you use Cheapflights to find cheap flight tickets to St. Louis?

Can Cheapflights find flights to St. Louis with no change fees?

Can Cheapflights notify me if prices for flights to St. Louis become cheaper?

100% Free

Book with flexibility

Travel Smart

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 4 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 4 September 2026.

Last-minute flights to St. Louis
Discover last-minute flight deals to St. Louis. Data last updated 4 September 2026 and is based on user searches.