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$205+ 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 22/2. 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 Feb — 16 Feb1
1 adult
1 adult, Economy, 0 bags

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 10 January 2026.

Good round-trip deal

$265 or less

Good one-way deal

$163 or less
Price to beat on a round-trip flight from Lambert-St Louis.
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Price to beat on a one-way flight from Lambert-St Louis.
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Find flights from St. Louis

Enter your travel dates to find the best prices.

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 10 January 2026.

Tue 24/216:13STL - MEL
2 stops30h 22mQantas Airways
Tue 3/312:00MEL - STL
1 stop28h 59mQantas Airways
Deal found 10/1$1,384
Thu 5/318:50STL - MEL
2 stops29h 25mQantas Airways
Thu 12/312:00MEL - STL
1 stop27h 59mQantas Airways
Deal found 10/1$1,393
Tue 24/206:38STL - SYD
1 stop33h 22mQantas Airways
Tue 3/307:05SYD - STL
2 stops33h 54mQantas Airways
Deal found 10/1$1,404
Mon 23/206:38STL - SYD
1 stop33h 22mQantas Airways
Mon 2/307:05SYD - STL
2 stops33h 54mQantas Airways
Deal found 9/1$1,405
Tue 24/218:18STL - BNE
2 stops30h 57mQantas Airways
Tue 3/319:40BNE - STL
1 stop20h 19mQantas Airways
Deal found 10/1$1,421
Wed 18/206:38STL - MEL
1 stop33h 52mQantas Airways
Tue 24/213:55MEL - STL
2 stops42h 33mQantas Airways
Deal found 10/1$1,426
Sun 8/214:45STL - BNE
2 stops26h 00mMultiple Airlines
Sun 15/210:45BNE - STL
2 stops44h 44mMultiple Airlines
Deal found 10/1$1,426
Tue 10/216:05STL - BNE
2 stops48h 40mMultiple Airlines
Wed 18/210:45BNE - STL
2 stops22h 13mMultiple Airlines
Deal found 10/1$1,435
Sat 14/306:38STL - SYD
1 stop34h 22mQantas Airways
Mon 23/317:50SYD - STL
2 stops37h 38mQantas Airways
Deal found 10/1$1,438
Sun 10/513:00STL - BNE
2 stops27h 05mAir Canada
Tue 19/510:00BNE - STL
2 stops25h 05mAir Canada
Deal found 9/1$1,444
Sun 22/316:13STL - SYD
2 stops36h 37mQantas Airways
Sat 28/311:20SYD - STL
1 stop28h 39mQantas Airways
Deal found 10/1$1,507
Tue 10/207:04STL - BNE
1 stop29h 56mQantas Airways
Wed 18/218:30BNE - STL
2 stops38h 43mQantas Airways
Deal found 10/1$1,517

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 10 January 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Melbourne

Route

Depart

Return

Price

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 24/2

16:13-15:35

2 stops30h 22m

Melbourne

Tue 3/3

12:00-23:59

1 stop28h 59m

$1,384

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Tue 24/2

18:18-17:15

2 stops30h 57m

Brisbane

Tue 3/3

19:40-23:59

1 stop20h 19m

$1,421

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Sun 8/2

14:45-08:45

2 stops26h 00m

Brisbane

Sun 15/2

10:45-15:29

2 stops44h 44m

$1,426

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Sat 14/3

06:38-09:00

1 stop34h 22m

Sydney Kingsford Smith

Mon 23/3

17:50-15:28

2 stops37h 38m

$1,438

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Sun 10/5

13:00-07:05

2 stops27h 05m

Brisbane

Tue 19/5

10:00-20:05

2 stops25h 05m

$1,444

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Tue 10/2

16:05-08:45

2 stops48h 40m

Brisbane

Wed 18/2

19:40-15:29

3 stops59h 49m

$1,459

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 5/3

16:13-22:45

2 stops37h 32m

Melbourne

Thu 12/3

12:00-23:59

1 stop27h 59m

$1,478

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Sun 22/3

16:13-20:50

2 stops36h 37m

Sydney Kingsford Smith

Sat 28/3

11:20-23:59

1 stop28h 39m

$1,507

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Fri 15/5

13:00-07:05

2 stops27h 05m

Brisbane

Thu 28/5

10:00-20:05

2 stops25h 05m

$1,569

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Sat 16/5

14:20-07:05

2 stops25h 45m

Brisbane

Thu 28/5

10:00-20:05

2 stops25h 05m

$1,577

Flights are sorted by cheapest return flights first.

Deals found on 9/1

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, August is the cheapest month in which you can book a flight from St. Louis (average of $1,607). Flying from St. Louis in July will prove the most costly (average of $2,321). 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 $2,115

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

St. Louis offers frequent flights to Chicago (689 flights per day), New York (184 flights per day) and Dallas (177 flights per day).

Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From $161

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

The cheapest city to fly to from St. Louis is Atlanta Hartsfield-Jackson, with prices starting at $161. Explore other affordable destinations below.

Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From $161

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 United Airlines 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.
United Airlines
7.4
Good
9,144 reviews
Check prices

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,144 reviews
United Airlines
7.4
Good
9,144 reviews
Check prices

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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Direct flights from Missouri

Book a direct flight from one of these other cities located in Missouri.
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Direct flights from Springfield

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 10 January 2026.

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

    For the current month, the most popular flights from St. Louis are Cancún, Denver, Atlanta. 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 $161 to Atlanta (prices may vary depending on the airline and departure time). On average, users have booked flights for $218 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 $5,533

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

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