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$241+ 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 4/8. 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
18 giu — 25 giu1
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 13 giugno 2025.

Cheapest airline

United Airlines

Good round-trip deal

$1,902 or less

Good one-way deal

$326 or less
On average, United Airlines currently has the cheapest one-way flight from Lambert-St Louis (avg. price of $2,524).
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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

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 13 giugno 2025.

mer 5/1106:15STL - SYD
2 stops43h 35mQantas Airways
dom 23/1114:20SYD - STL
1 stop18h 49mQantas Airways
Deal found 12/6$1,653
mer 29/1013:35STL - SYD
2 stops27h 00mMultiple Airlines
sab 15/1111:20SYD - STL
2 stops45h 06mMultiple Airlines
Deal found 12/6$1,796
sab 22/1116:43STL - BNE
2 stops23h 57mMultiple Airlines
ven 26/1210:45BNE - STL
2 stops44h 41mMultiple Airlines
Deal found 12/6$1,818
dom 14/913:39STL - SYD
2 stops26h 41mAir Canada
sab 27/909:20SYD - STL
2 stops29h 38mAir Canada
Deal found 12/6$1,825
sab 22/1116:15STL - BNE
3 stops55h 15mAir Canada
ven 26/1210:45BNE - STL
2 stops44h 41mAir Canada
Deal found 12/6$1,856
dom 14/919:43STL - SYD
1 stop20h 12mAmerican Airlines
sab 27/909:10SYD - STL
2 stops23h 50mAmerican Airlines
Deal found 12/6$1,933
dom 27/706:15STL - MEL
2 stops37h 35mAir New Zealand
dom 3/808:35MEL - STL
2 stops28h 40mAir New Zealand
Deal found 12/6$1,968
sab 22/1117:57STL - BNE
1 stop20h 33mQantas Airways
ven 26/1208:30BNE - STL
2 stops30h 57mQantas Airways
Deal found 12/6$1,974
mar 29/718:15STL - SYD
2 stops25h 20mAir New Zealand
mar 12/808:45SYD - STL
2 stops47h 00mAir New Zealand
Deal found 12/6$2,020
mar 28/1018:05STL - MEL
2 stops26h 55mFiji Airways
mer 5/1114:15MEL - STL
2 stops26h 42mFiji Airways
Deal found 11/6$2,054
mar 28/1013:35STL - MEL
3 stops29h 15mMultiple Airlines
mer 5/1108:35MEL - STL
2 stops27h 12mMultiple Airlines
Deal found 11/6$2,083
gio 24/706:00STL - SYD
2 stops33h 35mDelta
mar 5/809:25SYD - STL
2 stops29h 28mDelta
Deal found 12/6$2,095

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 13 giugno 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Melbourne

Route

Depart

Return

Price

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

mer 5/11

06:15-18:50

2 stops43h 35m

Sydney Kingsford Smith

dom 23/11

14:20-16:09

1 stop18h 49m

$1,653

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

mer 29/10

13:35-08:35

2 stops27h 00m

Sydney Kingsford Smith

sab 15/11

11:20-15:26

2 stops45h 06m

$1,796

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

sab 22/11

16:43-08:40

2 stops23h 57m

Brisbane

ven 26/12

10:45-15:26

2 stops44h 41m

$1,818

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

dom 14/9

13:39-07:20

2 stops26h 41m

Sydney Kingsford Smith

sab 27/9

09:20-23:58

2 stops29h 38m

$1,825

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

sab 22/11

16:15-15:30

3 stops55h 15m

Brisbane

ven 26/12

10:45-15:26

2 stops44h 41m

$1,856

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

dom 14/9

19:43-06:55

1 stop20h 12m

Sydney Kingsford Smith

sab 27/9

09:10-18:00

2 stops23h 50m

$1,933

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

dom 27/7

06:15-10:50

2 stops37h 35m

Melbourne

dom 3/8

08:35-22:15

2 stops28h 40m

$1,968

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

sab 22/11

17:57-06:30

1 stop20h 33m

Brisbane

ven 26/12

08:30-23:27

2 stops30h 57m

$1,974

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

mar 29/7

18:15-10:35

2 stops25h 20m

Sydney Kingsford Smith

mar 12/8

08:45-16:45

2 stops47h 00m

$2,020

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

mar 28/10

18:05-13:00

2 stops26h 55m

Melbourne

mer 5/11

14:15-23:57

2 stops26h 42m

$2,054

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 38 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 $1,055). Flying from St. Louis in June will prove the most costly (average of $2,260). 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 (848 flights per day), Atlanta (243 flights per day) and Dallas (192 flights per day).

Dallas/Fort Worth
Dallas/Fort Worth
From $88
Los Angeles
Los Angeles
From $158

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 $134. Explore other affordable destinations below.

Dallas/Fort Worth
Dallas/Fort Worth
From $88
Los Angeles
Los Angeles
From $158

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.
Japan Airlines
8.3
Very Good
1,490 reviews
Check prices

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Food

7.7

Overall

8.3

Crew

8.7

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

DFW - NRT

This flight was operated by American Airlines. The food was barely tolerable. Mid flight sandwich was ice cold, could not be bothered to warm it up. Staff did not seem to like their jobs very much. Too many seats packed in to maximize profit. A true “cattle car” experience. Subsequent flight from Tokyo to HCMC was on Japan Airlines which was excellent. No comparison between JAL and AA. Unfortunately that’s just the way service is in America nowadays.
Japan Airlines
8.3
Very Good
1,490 reviews
Japan Airlines
8.3
Very Good
1,490 reviews
Check prices

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Food

7.7

Overall

8.3

Crew

8.7

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

DFW - NRT

This flight was operated by American Airlines. The food was barely tolerable. Mid flight sandwich was ice cold, could not be bothered to warm it up. Staff did not seem to like their jobs very much. Too many seats packed in to maximize profit. A true “cattle car” experience. Subsequent flight from Tokyo to HCMC was on Japan Airlines which was excellent. No comparison between JAL and AA. Unfortunately that’s just the way service is in America nowadays.
Fiji Airways
8.1
Very Good
194 reviews
Japan Airlines
8.3
Very Good
1,490 reviews
Check prices

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Food

7.7

Overall

8.3

Crew

8.7

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

DFW - NRT

This flight was operated by American Airlines. The food was barely tolerable. Mid flight sandwich was ice cold, could not be bothered to warm it up. Staff did not seem to like their jobs very much. Too many seats packed in to maximize profit. A true “cattle car” experience. Subsequent flight from Tokyo to HCMC was on Japan Airlines which was excellent. No comparison between JAL and AA. Unfortunately that’s just the way service is in America nowadays.
Air New Zealand
8.0
Very Good
483 reviews
Japan Airlines
8.3
Very Good
1,490 reviews
Check prices

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Food

7.7

Overall

8.3

Crew

8.7

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

DFW - NRT

This flight was operated by American Airlines. The food was barely tolerable. Mid flight sandwich was ice cold, could not be bothered to warm it up. Staff did not seem to like their jobs very much. Too many seats packed in to maximize profit. A true “cattle car” experience. Subsequent flight from Tokyo to HCMC was on Japan Airlines which was excellent. No comparison between JAL and AA. Unfortunately that’s just the way service is in America nowadays.
Cathay Pacific
7.6
Good
892 reviews
Japan Airlines
8.3
Very Good
1,490 reviews
Check prices

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Food

7.7

Overall

8.3

Crew

8.7

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

DFW - NRT

This flight was operated by American Airlines. The food was barely tolerable. Mid flight sandwich was ice cold, could not be bothered to warm it up. Staff did not seem to like their jobs very much. Too many seats packed in to maximize profit. A true “cattle car” experience. Subsequent flight from Tokyo to HCMC was on Japan Airlines which was excellent. No comparison between JAL and AA. Unfortunately that’s just the way service is in America nowadays.
Qantas Airways
7.5
Good
854 reviews
Japan Airlines
8.3
Very Good
1,490 reviews
Check prices

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Food

7.7

Overall

8.3

Crew

8.7

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

DFW - NRT

This flight was operated by American Airlines. The food was barely tolerable. Mid flight sandwich was ice cold, could not be bothered to warm it up. Staff did not seem to like their jobs very much. Too many seats packed in to maximize profit. A true “cattle car” experience. Subsequent flight from Tokyo to HCMC was on Japan Airlines which was excellent. No comparison between JAL and AA. Unfortunately that’s just the way service is in America nowadays.

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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 13 giugno 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 Cancún, Anchorage, Boston. 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 $134 to Dallas/Fort Worth Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for $794 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 Denver starting at $1,423
    Fly from Lambert-St Louis to Houston George Bush Intcntl Airport starting at $5,683

  • 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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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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