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$227+ Cheap flights from St. Louis

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — MEL
9 Jul — 16 Jul1
1 adult

What to know about flights from St. Louis

Discover essential information about flights departing from St. Louis, including flight schedules, destinations, airlines operating at the St. Louis airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 4 July 2025.

Cheapest airline

United Airlines

Good one-way deal

$381 or less
On average, United Airlines currently has the cheapest one-way flight from Lambert-St Louis (avg. price of $2,494).
Search Deals
Price to beat on a one-way flight from Lambert-St Louis.
Search Deals

Find flights from St. Louis

Cheapest flights from St. Louis
Explore the most affordable flight options available from St. Louis. Find the lowest fares based on data from user searches, with prices last updated on 4 July 2025.

Fri 1/812:27STL - BNE
2 stops25h 58mAmerican Airlines
Fri 8/820:05BNE - STL
2 stops27h 15mAmerican Airlines
Deal found 2/7$1,596
Fri 28/1106:15STL - SYD
2 stops34h 05mQantas Airways
Sun 14/1214:20SYD - STL
1 stop18h 47mQantas Airways
Deal found 3/7$1,716
Sun 14/913:30STL - SYD
2 stops26h 50mMultiple Airlines
Sat 27/909:20SYD - STL
2 stops22h 12mMultiple Airlines
Deal found 2/7$1,744
Thu 21/809:15STL - SYD
2 stops31h 05mAir Canada
Wed 3/909:20SYD - STL
2 stops44h 58mAir Canada
Deal found 3/7$1,750
Fri 1/817:27STL - SYD
1 stop22h 28mAmerican Airlines
Thu 14/809:10SYD - STL
2 stops22h 36mAmerican Airlines
Deal found 2/7$1,768
Sun 14/917:49STL - SYD
1 stop22h 06mUnited Airlines
Sat 27/910:20SYD - STL
1 stop21h 25mUnited Airlines
Deal found 2/7$1,797
Sat 16/817:52STL - MEL
2 stops34h 28mMultiple Airlines
Sat 23/807:30MEL - STL
2 stops27h 52mMultiple Airlines
Deal found 2/7$1,823
Sat 16/817:52STL - BNE
2 stops25h 33mFiji Airways
Sat 23/811:40BNE - STL
2 stops23h 42mFiji Airways
Deal found 2/7$1,926
Thu 14/809:15STL - CNS
3 stops39h 40mMultiple Airlines
Mon 18/817:35CNS - STL
3 stops41h 10mMultiple Airlines
Deal found 1/7$1,969
Fri 15/806:41STL - SYD
2 stops33h 49mAlaska Airlines
Fri 22/817:45SYD - STL
2 stops35h 54mAlaska Airlines
Deal found 1/7$1,976
Sat 16/817:52STL - SYD
2 stops26h 53mFiji Airways
Sat 23/813:45SYD - STL
2 stops21h 37mFiji Airways
Deal found 2/7$1,984
Thu 14/819:41STL - CNS
2 stops24h 59mFiji Airways
Mon 18/812:40CNS - STL
2 stops25h 29mFiji Airways
Deal found 1/7$1,986

Find flights from St. Louis within your budget

Find flights departing from St. Louis that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 4 July 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Melbourne

Route

Depart

Return

Price

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Fri 1/8

12:27-05:25

2 stops25h 58m

Brisbane

Fri 8/8

20:05-08:20

2 stops27h 15m

$1,596

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Fri 28/11

06:15-09:20

2 stops34h 05m

Sydney Kingsford Smith

Sun 14/12

14:20-16:07

1 stop18h 47m

$1,716

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Sun 14/9

13:30-07:20

2 stops26h 50m

Sydney Kingsford Smith

Sat 27/9

09:20-16:32

2 stops22h 12m

$1,744

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Thu 21/8

09:15-07:20

2 stops31h 05m

Sydney Kingsford Smith

Wed 3/9

09:20-15:18

2 stops44h 58m

$1,750

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Fri 1/8

17:27-06:55

1 stop22h 28m

Sydney Kingsford Smith

Thu 14/8

09:10-16:46

2 stops22h 36m

$1,768

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Sun 14/9

17:49-06:55

1 stop22h 06m

Sydney Kingsford Smith

Sat 27/9

10:20-16:45

1 stop21h 25m

$1,797

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 16/8

17:52-19:20

2 stops34h 28m

Melbourne

Sat 23/8

07:30-20:22

2 stops27h 52m

$1,823

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Sat 16/8

17:52-10:25

2 stops25h 33m

Brisbane

Sat 23/8

11:40-20:22

2 stops23h 42m

$1,926

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Thu 14/8

09:15-15:55

3 stops39h 40m

Cairns

Mon 18/8

17:35-19:45

3 stops41h 10m

$1,969

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Fri 15/8

06:41-07:30

2 stops33h 49m

Sydney Kingsford Smith

Fri 22/8

17:45-14:39

2 stops35h 54m

$1,976

Flights are sorted by cheapest return flights first.

Deals found on 3/7

Showing 1-10 of 46 results
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Best time to book a flight from St. Louis

Have a flexible travel schedule? Discover the best time to fly from 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.

Travel insights for flights from St. Louis

Get recent, data-driven insights about flights from St. Louis including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from St. Louis?

Currently, February is the cheapest month in which you can book a flight from St. Louis (average of $1,045). Flying from St. Louis in June will prove the most costly (average of $2,240). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from St. Louis?

When flying from St. Louis check dates and pricing for the following: United Airlines. As it departs for the following popular destinations: Melbourne.

United Airlines
United Airlines
From $1,305

What are popular destinations to fly to from St. Louis?

St. Louis offers frequent flights to Chicago (604 flights per day), Atlanta (186 flights per day) and Dallas (116 flights per day).

Dallas/Fort Worth
Dallas/Fort Worth
From $88

What is the cheapest place to fly to from St. Louis?

The cheapest city to fly to from St. Louis is Dallas/Fort Worth, with prices starting at $133. Explore other affordable destinations below.

Dallas/Fort Worth
Dallas/Fort Worth
From $88

Airline reviews for flights from St. Louis

Get insights into the airlines that provide service from St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from St. Louis. In the last 7 days, Cheapflights users made a total of 647,157 searches.
Get a feel of what it's like to fly with Fiji Airways, Air New Zealand, andCathay Pacific from St. Louis 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.
Fiji Airways
8.0
Very Good
202 reviews
Check prices

Boarding

8.1

Entertainment

7.5

Comfort

7.9

Food

7.5

Overall

8.0

Crew

8.5

Reviews

1 / 16
6.0
Good

Christopher,June 2025

LAX - NAN

No attempt to make you comfortable. All they care about is how can they pack more people on the plane and how can they charge you for as much as possible. I find it invasive and discriminatory that you weigh my carryon (or any of my naggage frankly). If I physically weighed 15kilos more and my bag weighed under your stupid and arbitrary weight limit I would not be charged... but if I'm a person who is skinny and weighs less, well heaven forbid my bag is 1 kilo heavier than you wish!! $$$ VERY VERY DISCRIMINATORY POLICY!! NEXT TIME I'LL TRY TO EAT MY BAGGAGE SO THAT I CAN TAKE ON AS MUCH WEIGHT AS I WANT! Yeah... sounds ridiculous doesn't it!? No more ridiculous than you charging more for people who bring more baggage weight while letting obese people carry on all the weight they want! It just proves it has absolutely nothing to do with safety, or even your operating costs... Just squeezing as much money out of us as possible!!
Fiji Airways
8.0
Very Good
202 reviews
Fiji Airways
8.0
Very Good
202 reviews
Check prices

Boarding

8.1

Entertainment

7.5

Comfort

7.9

Food

7.5

Overall

8.0

Crew

8.5

Reviews

1 / 16
6.0
Good

Christopher,June 2025

LAX - NAN

No attempt to make you comfortable. All they care about is how can they pack more people on the plane and how can they charge you for as much as possible. I find it invasive and discriminatory that you weigh my carryon (or any of my naggage frankly). If I physically weighed 15kilos more and my bag weighed under your stupid and arbitrary weight limit I would not be charged... but if I'm a person who is skinny and weighs less, well heaven forbid my bag is 1 kilo heavier than you wish!! $$$ VERY VERY DISCRIMINATORY POLICY!! NEXT TIME I'LL TRY TO EAT MY BAGGAGE SO THAT I CAN TAKE ON AS MUCH WEIGHT AS I WANT! Yeah... sounds ridiculous doesn't it!? No more ridiculous than you charging more for people who bring more baggage weight while letting obese people carry on all the weight they want! It just proves it has absolutely nothing to do with safety, or even your operating costs... Just squeezing as much money out of us as possible!!
Air New Zealand
8.0
Very Good
484 reviews
Fiji Airways
8.0
Very Good
202 reviews
Check prices

Boarding

8.1

Entertainment

7.5

Comfort

7.9

Food

7.5

Overall

8.0

Crew

8.5

Reviews

1 / 16
6.0
Good

Christopher,June 2025

LAX - NAN

No attempt to make you comfortable. All they care about is how can they pack more people on the plane and how can they charge you for as much as possible. I find it invasive and discriminatory that you weigh my carryon (or any of my naggage frankly). If I physically weighed 15kilos more and my bag weighed under your stupid and arbitrary weight limit I would not be charged... but if I'm a person who is skinny and weighs less, well heaven forbid my bag is 1 kilo heavier than you wish!! $$$ VERY VERY DISCRIMINATORY POLICY!! NEXT TIME I'LL TRY TO EAT MY BAGGAGE SO THAT I CAN TAKE ON AS MUCH WEIGHT AS I WANT! Yeah... sounds ridiculous doesn't it!? No more ridiculous than you charging more for people who bring more baggage weight while letting obese people carry on all the weight they want! It just proves it has absolutely nothing to do with safety, or even your operating costs... Just squeezing as much money out of us as possible!!
Cathay Pacific
7.6
Good
921 reviews
Fiji Airways
8.0
Very Good
202 reviews
Check prices

Boarding

8.1

Entertainment

7.5

Comfort

7.9

Food

7.5

Overall

8.0

Crew

8.5

Reviews

1 / 16
6.0
Good

Christopher,June 2025

LAX - NAN

No attempt to make you comfortable. All they care about is how can they pack more people on the plane and how can they charge you for as much as possible. I find it invasive and discriminatory that you weigh my carryon (or any of my naggage frankly). If I physically weighed 15kilos more and my bag weighed under your stupid and arbitrary weight limit I would not be charged... but if I'm a person who is skinny and weighs less, well heaven forbid my bag is 1 kilo heavier than you wish!! $$$ VERY VERY DISCRIMINATORY POLICY!! NEXT TIME I'LL TRY TO EAT MY BAGGAGE SO THAT I CAN TAKE ON AS MUCH WEIGHT AS I WANT! Yeah... sounds ridiculous doesn't it!? No more ridiculous than you charging more for people who bring more baggage weight while letting obese people carry on all the weight they want! It just proves it has absolutely nothing to do with safety, or even your operating costs... Just squeezing as much money out of us as possible!!
Qantas Airways
7.5
Good
868 reviews
Fiji Airways
8.0
Very Good
202 reviews
Check prices

Boarding

8.1

Entertainment

7.5

Comfort

7.9

Food

7.5

Overall

8.0

Crew

8.5

Reviews

1 / 16
6.0
Good

Christopher,June 2025

LAX - NAN

No attempt to make you comfortable. All they care about is how can they pack more people on the plane and how can they charge you for as much as possible. I find it invasive and discriminatory that you weigh my carryon (or any of my naggage frankly). If I physically weighed 15kilos more and my bag weighed under your stupid and arbitrary weight limit I would not be charged... but if I'm a person who is skinny and weighs less, well heaven forbid my bag is 1 kilo heavier than you wish!! $$$ VERY VERY DISCRIMINATORY POLICY!! NEXT TIME I'LL TRY TO EAT MY BAGGAGE SO THAT I CAN TAKE ON AS MUCH WEIGHT AS I WANT! Yeah... sounds ridiculous doesn't it!? No more ridiculous than you charging more for people who bring more baggage weight while letting obese people carry on all the weight they want! It just proves it has absolutely nothing to do with safety, or even your operating costs... Just squeezing as much money out of us as possible!!
United Airlines
7.4
Good
8,844 reviews
Fiji Airways
8.0
Very Good
202 reviews
Check prices

Boarding

8.1

Entertainment

7.5

Comfort

7.9

Food

7.5

Overall

8.0

Crew

8.5

Reviews

1 / 16
6.0
Good

Christopher,June 2025

LAX - NAN

No attempt to make you comfortable. All they care about is how can they pack more people on the plane and how can they charge you for as much as possible. I find it invasive and discriminatory that you weigh my carryon (or any of my naggage frankly). If I physically weighed 15kilos more and my bag weighed under your stupid and arbitrary weight limit I would not be charged... but if I'm a person who is skinny and weighs less, well heaven forbid my bag is 1 kilo heavier than you wish!! $$$ VERY VERY DISCRIMINATORY POLICY!! NEXT TIME I'LL TRY TO EAT MY BAGGAGE SO THAT I CAN TAKE ON AS MUCH WEIGHT AS I WANT! Yeah... sounds ridiculous doesn't it!? No more ridiculous than you charging more for people who bring more baggage weight while letting obese people carry on all the weight they want! It just proves it has absolutely nothing to do with safety, or even your operating costs... Just squeezing as much money out of us as possible!!

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Related info for your journey

Access useful and relevant information related to your journey from St. Louis. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 4 July 2025.

  • What are the most popular destinations to fly to from St. Louis?

    For the current month, the most popular flights from St. Louis are Boston, Cancún, Atlanta. Cancún, Boston, Atlanta are the most popular locations from St. Louis year round.

  • What is the cheapest flight from St. Louis to anywhere?

    Users have flown out of St. Louis for as low as $133 to Dallas/Fort Worth Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for $419 to fly from St. Louis.

  • What is the cheapest premium economy flight from St. Louis?

    Options for some of the cheapest premium economy flights from St. Louis we have found on Cheapflights are as follows:
    Fly from Lambert-St Louis to Houston George Bush Intcntl Airport starting at $5,633

  • What is the cheapest month to fly from St. Louis?

    Currently, the cheapest month for flights from St. Louis is February. The most expensive month for flights is June. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • How does Cheapflights help users find flights from St. Louis?

    When you search for this flight from St. Louis, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

    Cheapflights helps you find that perfect flight from St. Louis by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

    Yes, we can. To see specific flights from St. Louis with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

    Yes, Cheapflights offers price alerts on flights from St. Louis so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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

When you search for this flight from St. Louis, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

Cheapflights helps you find that perfect flight from St. Louis by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from St. Louis with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on flights from St. Louis so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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