$249+ Cheap flights from St. Louis

STL — SYD
20 Sep — 27 Sep1
1 adult
1 adult, Economy, 0 bags

Find flights from St. Louis within your budget

 

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Route

Depart

Return

Price

Cheapest return flight

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 20/10

19:20-08:50

2 stops45h 30m

Melbourne

Tue 3/11

10:10-21:09

2 stops27h 59m

$1,635

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Wed 30/9

15:12-08:15

2 stops26h 03m

Melbourne

Wed 7/10

11:55-18:43

1 stop22h 48m

$1,774

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 20/10

11:10-09:15

2 stops30h 05m

Melbourne

Tue 3/11

12:45-18:05

1 stop22h 20m

$1,781
Fastest return journey

St. LouisBrisbane

STL Lambert-St Louis - BNE Brisbane

STLBNE

Lambert-St Louis

Mon 8/2

19:06-07:30

1 stop20h 24m

Brisbane

Fri 12/2

11:40-21:55

1 stop26h 15m

$1,822

St. LouisSydney

STL Lambert-St Louis - SYD Sydney Kingsford Smith

STLSYD

Lambert-St Louis

Mon 8/2

16:17-07:00

1 stop21h 43m

Sydney Kingsford Smith

Mon 15/2

09:20-18:38

1 stop26h 18m

$1,866

St. LouisSydney

STL Lambert-St Louis - SYD Sydney Kingsford Smith

STLSYD

Lambert-St Louis

Tue 15/9

08:46-06:50

2 stops31h 04m

Sydney Kingsford Smith

Tue 22/9

09:15-17:37

2 stops23h 22m

$1,873

St. LouisSydney

STL Lambert-St Louis - SYD Sydney Kingsford Smith

STLSYD

Lambert-St Louis

Wed 23/9

16:40-06:55

2 stops23h 15m

Sydney Kingsford Smith

Wed 7/10

10:30-20:16

2 stops25h 46m

$1,873

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 27/10

13:08-08:55

3 stops27h 47m

Melbourne

Wed 11/11

08:15-22:24

3 stops31h 09m

$1,913

St. LouisSydney

STL Lambert-St Louis - SYD Sydney Kingsford Smith

STLSYD

Lambert-St Louis

Fri 18/9

15:32-07:00

2 stops24h 28m

Sydney Kingsford Smith

Wed 7/10

11:20-18:43

1 stop23h 23m

$1,943

St. LouisSydney

STL Lambert-St Louis - SYD Sydney Kingsford Smith

STLSYD

Lambert-St Louis

Sun 8/11

14:54-06:55

1 stop23h 01m

Sydney Kingsford Smith

Wed 11/11

09:55-23:45

2 stops30h 50m

$1,946

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 50 resultsSorted by cheapest first
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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

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, July is the cheapest month in which you can book a flight from St. Louis (average of $1,631). Flying from St. Louis in December will prove the most costly (average of $2,296). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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

St. Louis offers frequent flights to Chicago (763 flights per day), Atlanta (244 flights per day) and Detroit (214 flights per day).

Dallas/Fort Worth
Dallas/Fort Worth
From $1,095

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 $1,095. Explore other affordable destinations below.

Dallas/Fort Worth
Dallas/Fort Worth
From $1,095

Browse thousands of different options on Cheapflights for your next trip

Direct flights from Missouri

Direct flights from Kansas City
Direct flights from Springfield

Related info for your journey

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

    For the current month, the most popular flights from St. Louis are Denver, Atlanta, Dallas/Fort Worth Airport. Denver, Cancún, 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 $1,095 to Dallas/Fort Worth Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for $1,607 to fly from St. Louis.

  • What is the cheapest first class flight from St. Louis?

    If you’re looking to fly first-class from St. Louis to anywhere, put Charlotte on your list as prices start at $808 for this destination.

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

    Currently, the cheapest month for flights from St. Louis is July. The most expensive month for flights is December. 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.

See more FAQs

Fly with Cheapflights

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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