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.

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. Hampton Inn St. Louis-Airport is the closest property to Lambert-St Louis (0.0 km away from Lambert-St Louis).

$2,022+ Flights to St. Louis, Missouri

Flights to St. Louis in 2025

Return from	$2,022
Popular in	August
Cheapest in	March
Average price	$2,281

United Airlines
18/8-8/11
4 total stops
44h 59m total
Sydney to St. Louis

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($319 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($140 potential savings vs. average return price).

Search Deals

Average for return flights in April 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 30 April 2025.

Mon 18/809:30SYD - STL

2 stops24h 23mUnited Airlines

Sat 8/1119:00STL - SYD

1 stop21h 15mUnited Airlines

Deal found 29/4$2,022

Mon 7/709:25SYD - STL

2 stops38h 01mDelta

Fri 18/710:30STL - SYD

2 stops29h 05mDelta

Deal found 29/4$2,147

Wed 28/508:55SYD - STL

2 stops53h 09mJapan Airlines

Wed 4/607:00STL - SYD

2 stops32h 20mJapan Airlines

Deal found 28/4$2,172

Sun 5/1010:20SYD - STL

3 stops49h 37mMultiple Airlines

Sat 11/1016:40STL - SYD

2 stops23h 40mMultiple Airlines

Deal found 30/4$2,475

Mon 12/510:25SYD - STL

2 stops23h 08mAmerican Airlines

Sat 31/506:52STL - SYD

1 stop33h 13mAmerican Airlines

Deal found 29/4$2,618

Mon 12/509:10SYD - STL

1 stop28h 54mQantas Airways

Sat 31/506:52STL - SYD

1 stop33h 13mQantas Airways

Deal found 29/4$2,771

Wed 28/509:20SYD - STL

3 stops49h 38mAir Canada

Wed 4/609:10STL - SYD

2 stops31h 10mAir Canada

Deal found 28/4$2,831

Sun 5/1021:55SYD - STL

3 stops56h 24mTurkish Airlines

Sat 11/1015:30STL - SYD

3 stops60h 30mTurkish Airlines

Deal found 29/4$3,157

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 30 April 2025.

Mon 18/810:20SYD - STL

2 stops21h 11mUnited Airlines

Sat 8/1116:17STL - SYD

2 stops23h 48mUnited Airlines

Deal found 29/4$2,022

Mon 7/709:25SYD - STL

2 stops38h 01mDelta

Fri 18/710:30STL - SYD

2 stops29h 05mDelta

Deal found 29/4$2,147

Wed 28/508:55SYD - STL

2 stops53h 09mJapan Airlines

Wed 4/607:00STL - SYD

2 stops32h 20mJapan Airlines

Deal found 28/4$2,172

Sun 5/1010:20SYD - STL

3 stops49h 37mMultiple Airlines

Sat 11/1016:40STL - SYD

2 stops23h 40mMultiple Airlines

Deal found 30/4$2,475

Mon 12/510:25SYD - STL

2 stops23h 08mAmerican Airlines

Sat 31/506:52STL - SYD

1 stop33h 13mAmerican Airlines

Deal found 29/4$2,618

Mon 12/509:10SYD - STL

1 stop28h 54mQantas Airways

Sat 31/506:52STL - SYD

1 stop33h 13mQantas Airways

Deal found 29/4$2,771

Wed 28/509:20SYD - STL

3 stops49h 38mAir Canada

Wed 4/609:10STL - SYD

2 stops31h 10mAir Canada

Deal found 28/4$2,831

Sun 5/1021:55SYD - STL

3 stops56h 24mTurkish Airlines

Sat 11/1015:30STL - SYD

3 stops60h 30mTurkish Airlines

Deal found 29/4$3,157

Last-minute flights to St. Louis
Discover last-minute flight deals to St. Louis. Data last updated 30 April 2025 and is based on user searches.

Mon 12/510:25SYD - STL

2 stops23h 08mAmerican Airlines

Sat 31/506:52STL - SYD

1 stop33h 13mAmerican Airlines

Deal found 29/4$2,618

Mon 12/509:25SYD - STL

2 stops26h 14mDelta

Sat 31/510:45STL - SYD

2 stops28h 50mDelta

Deal found 30/4$2,632

Mon 12/509:10SYD - STL

1 stop28h 54mQantas Airways

Sat 31/506:52STL - SYD

1 stop33h 13mQantas Airways

Deal found 29/4$2,771

Mon 12/510:25SYD - STL

2 stops26h 27mMultiple Airlines

Sat 31/510:36STL - SYD

3 stops31h 09mMultiple Airlines

Deal found 30/4$3,134

Wed 28/508:55SYD - STL

2 stops53h 09mJapan Airlines

Wed 4/607:00STL - SYD

2 stops32h 20mJapan Airlines

Deal found 28/4$2,172

Wed 28/510:20SYD - STL

1 stop22h 40mUnited Airlines

Wed 4/619:10STL - SYD

1 stop20h 45mUnited Airlines

Deal found 28/4$2,394

Wed 28/509:20SYD - STL

3 stops49h 38mAir Canada

Wed 4/609:10STL - SYD

2 stops31h 10mAir Canada

Deal found 28/4$2,831

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

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 18/8

09:30-18:53

2 stops24h 23m

Lambert-St Louis

Sat 8/11

19:00-09:15

1 stop21h 15m

$2,022

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 7/7

09:25-08:26

2 stops38h 01m

Lambert-St Louis

Fri 18/7

10:30-06:35

2 stops29h 05m

$2,147

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 28/5

08:55-23:04

2 stops53h 09m

Lambert-St Louis

Wed 4/6

07:00-06:20

2 stops32h 20m

$2,172

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Sun 5/10

10:20-19:57

3 stops49h 37m

Lambert-St Louis

Sat 11/10

16:40-08:20

2 stops23h 40m

$2,475

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 12/5

10:25-18:33

2 stops23h 08m

Lambert-St Louis

Sat 31/5

06:52-07:05

1 stop33h 13m

$2,618

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 12/5

09:10-23:04

1 stop28h 54m

Lambert-St Louis

Sat 31/5

06:52-07:05

1 stop33h 13m

$2,771

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 28/5

09:20-19:58

3 stops49h 38m

Lambert-St Louis

Wed 4/6

09:10-07:20

2 stops31h 10m

$2,831

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Sun 5/10

21:55-14:19

3 stops56h 24m

Lambert-St Louis

Sat 11/10

15:30-20:00

3 stops60h 30m

$3,157

Flights are sorted by cheapest return flights first.

Deals found on 29/4

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

How long is the flight to St. Louis?

On average, a flight from Sydney to St. Louis takes 21 hours 11 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.

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

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

United Airlines

From $968

Qantas Airways

From $1,127

Air Canada

From $984

American Airlines

From $1,096

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 American Airlines.

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

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).

Reviews of airlines servicing St. Louis

Japan Airlines

8.3

Very Good

1,459 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Japan Airlines

8.3

Very Good

1,459 reviews

Japan Airlines

8.3

Very Good

1,459 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Delta

8.0

Very Good

7,936 reviews

Japan Airlines

8.3

Very Good

1,459 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Qantas Airways

7.5

Good

829 reviews

Japan Airlines

8.3

Very Good

1,459 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

United Airlines

7.4

Good

8,696 reviews

Japan Airlines

8.3

Very Good

1,459 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Turkish Airlines

7.3

Good

3,790 reviews

Japan Airlines

8.3

Very Good

1,459 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

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.
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. 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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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.

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$2,022+ 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 18/8. 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 30 April 2025.

Return 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 30 April 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 30 April 2025.

Cheapflights Fare Finder

Locate flights to St. Louis that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 30 April 2025.

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

How long is the flight to St. Louis?

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

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

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

Reviews of airlines servicing St. Louis

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?

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 30 April 2025.