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, Air Canada 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 $280, while return flights cost around $476.

How much is a return flight to St. Louis?

A return flight to St. Louis will typically cost around $317, however they can be found for as little as $310.

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 (20 hours 58 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).

How long is the flight to St. Louis?

On average, a flight from Sydney to St. Louis takes 25 hours 18 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).

$767+ Flights to St. Louis, Missouri

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

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

Flights to St. Louis in 2025

Return from	$1,946
One-way from	$767
Popular in	December
Cheapest in	November
Average price	$2,134

Air Canada
2/9-5/9
4 total stops
97h 33m total
Sydney to St. Louis

Search Deals

Delta
15/9
2 total stops
26h 50m total
Sydney to St. Louis

Search Deals

Highest demand for flights based on searches. 0% potential increase in price ($14 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($51 potential savings vs. average return price).

Search Deals

Average for return flights in August 2025

Search Deals

Find flight deals to St. Louis

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 19 August 2025.

Mon 18/809:10SYD - STL

2 stops24h 19mAmerican Airlines

Sat 8/1108:40STL - SYD

2 stops31h 20mAmerican Airlines

Deal found 17/8$1,256

Mon 18/810:20SYD - STL

1 stop21h 25mUnited Airlines

Sat 8/1108:20STL - SYD

1 stop29h 40mUnited Airlines

Deal found 17/8$1,282

Tue 2/909:20SYD - STL

2 stops49h 18mAir Canada

Fri 5/916:05STL - SYD

2 stops48h 15mAir Canada

Deal found 18/8$1,946

Thu 2/1009:20SYD - STL

2 stops25h 18mMultiple Airlines

Thu 9/1006:39STL - SYD

1 stop32h 51mMultiple Airlines

Deal found 18/8$1,969

Tue 2/912:10SYD - STL

1 stop18h 58mAmerican Airlines

Fri 5/906:20STL - SYD

1 stop33h 45mAmerican Airlines

Deal found 18/8$2,147

Thu 2/1010:20SYD - STL

2 stops26h 40mUnited Airlines

Thu 9/1009:00STL - SYD

2 stops30h 55mUnited Airlines

Deal found 18/8$2,153

Thu 2/1009:10SYD - STL

1 stop28h 49mAmerican Airlines

Thu 9/1006:39STL - SYD

1 stop33h 26mAmerican Airlines

Deal found 18/8$2,304

Mon 18/809:55SYD - STL

3 stops29h 04mMultiple Airlines

Sat 8/1109:00STL - SYD

3 stops30h 45mMultiple Airlines

Deal found 17/8$2,744

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 19 August 2025.

Tue 2/909:20SYD - STL

2 stops49h 18mAir Canada

Fri 5/916:05STL - SYD

2 stops48h 15mAir Canada

Deal found 18/8$1,946

Thu 2/1009:20SYD - STL

2 stops25h 18mMultiple Airlines

Thu 9/1006:39STL - SYD

1 stop32h 51mMultiple Airlines

Deal found 18/8$1,969

Tue 2/912:10SYD - STL

1 stop18h 58mAmerican Airlines

Fri 5/906:20STL - SYD

1 stop33h 45mAmerican Airlines

Deal found 18/8$2,147

Thu 2/1010:20SYD - STL

2 stops26h 40mUnited Airlines

Thu 9/1009:00STL - SYD

2 stops30h 55mUnited Airlines

Deal found 18/8$2,153

Thu 2/1009:10SYD - STL

1 stop28h 49mAmerican Airlines

Thu 9/1006:39STL - SYD

1 stop33h 26mAmerican Airlines

Deal found 18/8$2,304

Tue 2/911:50SYD - STL

3 stops27h 03mMultiple Airlines

Fri 5/912:35STL - SYD

3 stops29h 10mMultiple Airlines

Deal found 18/8$5,163

Last-minute flights to St. Louis
Discover last-minute flight deals to St. Louis. Data last updated 19 August 2025 and is based on user searches.

Tue 2/909:20SYD - STL

2 stops49h 18mAir Canada

Fri 5/916:05STL - SYD

2 stops48h 15mAir Canada

Deal found 18/8$1,946

Tue 2/912:10SYD - STL

1 stop18h 58mAmerican Airlines

Fri 5/906:20STL - SYD

1 stop33h 45mAmerican Airlines

Deal found 18/8$2,147

Tue 2/911:50SYD - STL

3 stops27h 03mMultiple Airlines

Fri 5/912:35STL - SYD

3 stops29h 10mMultiple Airlines

Deal found 18/8$5,163

Thu 11/909:25SYD - STL

2 stops26h 50mDelta

Sat 13/910:40STL - SYD

2 stops28h 55mDelta

Deal found 19/8$1,330

Thu 11/909:10SYD - STL

1 stop28h 49mAmerican Airlines

Sat 13/914:01STL - SYD

2 stops26h 04mAmerican Airlines

Deal found 19/8$1,437

Thu 11/909:20SYD - STL

2 stops24h 38mMultiple Airlines

Sat 13/913:30STL - SYD

3 stops50h 50mMultiple Airlines

Deal found 19/8$2,044

One-way flights to St. Louis
Search for one-way flight options to St. Louis. Find affordable one-way fares based on user searches. Data last updated 19 August 2025.

Mon 15/909:25SYD - STL

2 stops26h 50mDelta

Deal found 16/8$767

Sat 13/909:10SYD - STL

1 stop28h 49mAmerican Airlines

Deal found 16/8$861

Sat 13/920:20SYD - STL

3 stops57h 44mMultiple Airlines

Deal found 16/8$1,125

Tue 2/1217:45SYD - STL

1 stop22h 57mMultiple Airlines

Deal found 18/8$1,173

Sat 29/1117:45SYD - STL

1 stop22h 57mAmerican Airlines

Deal found 18/8$1,180

Sun 30/1117:45SYD - STL

2 stops32h 13mAmerican Airlines

Deal found 18/8$1,187

Mon 15/917:45SYD - STL

3 stops30h 41mMultiple Airlines

Deal found 16/8$1,239

Thu 4/1217:45SYD - STL

3 stops32h 40mMultiple Airlines

Deal found 18/8$1,248

Tue 2/917:45SYD - STL

1 stop20h 24mQantas Airways

Deal found 18/8$1,277

Tue 2/906:00SYD - STL

3 stops42h 11mMultiple Airlines

Deal found 18/8$1,311

Sun 30/1106:20SYD - STL

3 stops53h 18mMultiple Airlines

Deal found 18/8$1,331

Sat 29/1111:20SYD - STL

2 stops29h 24mAir Canada

Deal found 18/8$1,365

Fly from

Route

Depart

Return

Price

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Tue 2/9

09:20-19:38

2 stops49h 18m

Lambert-St Louis

Fri 5/9

16:05-07:20

2 stops48h 15m

$1,946

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 2/10

09:20-19:38

2 stops25h 18m

Lambert-St Louis

Thu 9/10

06:39-07:30

1 stop32h 51m

$1,969

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Tue 2/9

12:10-16:08

1 stop18h 58m

Lambert-St Louis

Fri 5/9

06:20-07:05

1 stop33h 45m

$2,147

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 2/10

10:20-22:00

2 stops26h 40m

Lambert-St Louis

Thu 9/10

09:00-07:55

2 stops30h 55m

$2,153

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 2/10

09:10-22:59

1 stop28h 49m

Lambert-St Louis

Thu 9/10

06:39-08:05

1 stop33h 26m

$2,304

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Tue 2/9

11:50-23:53

3 stops27h 03m

Lambert-St Louis

Fri 5/9

12:35-08:45

3 stops29h 10m

$5,163

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 15/12

10:40-08:44

2 stops39h 04m

$767

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Fri 5/12

11:50-10:04

1 stop39h 14m

$767

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 3/12

11:20-17:03

2 stops22h 43m

$767

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Sat 13/9

09:25-08:14

2 stops37h 49m

$767

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Showing 1-10 of 16 results

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

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

What are the cheapest airlines that fly to St. Louis?

The cheapest airlines flying from Sydney to St. Louis are United Airlines, Air Canada 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

896 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Qantas Airways

7.5

Good

896 reviews

Qantas Airways

7.5

Good

896 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

United Airlines

7.4

Good

8,922 reviews

Qantas Airways

7.5

Good

896 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

American Airlines

7.2

Good

10,000 reviews

Qantas Airways

7.5

Good

896 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Air Canada

7.1

Good

9,997 reviews

Qantas Airways

7.5

Good

896 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

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, Air Canada 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 $280, while return flights cost around $476.
How much is a return flight to St. Louis?
A return flight to St. Louis will typically cost around $317, however they can be found for as little as $310.
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 (20 hours 58 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

Browse thousands of different options on Cheapflights for your next trip

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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.

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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.

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$767+ Cheap flights to St. Louis

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/9. Fares are subject to change and may not be available on all flights or dates of travel.

Flights to St. Louis in 2025

Find the latest flights to St. Louis in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 19 August 2025.

Return from

One-way from

Popular in

Cheapest in

Average price

Find flight deals to St. Louis

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 19 August 2025.

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 19 August 2025.

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

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

What are the cheapest airlines that fly to St. Louis?

Rainfall in St. Louis by month

Temperature in St. Louis by month

How long is the flight to St. Louis?

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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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 19 August 2025.