$189+ Cheap flights from Missouri

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/2. 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 — SYD
1 Feb — 8 Feb1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Missouri

Discover essential information about flights departing from Missouri, including flight schedules, destinations, airlines operating at the Missouri 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 2 January 2026.

Good round-trip deal

$266 or less

Good one-way deal

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

Enter your travel dates to find the best prices.

Cheapest flights from Missouri
Explore the most affordable flight options available from Missouri. Find the lowest fares based on data from user searches, with prices last updated on 2 January 2026.

Mon 9/207:04STL - MEL
1 stop33h 26mQantas Airways
Mon 16/206:45MEL - STL
2 stops34h 14mQantas Airways
Deal found 31/12$1,398
Thu 22/107:04STL - SYD
1 stop32h 56mQantas Airways
Thu 29/107:05SYD - STL
2 stops33h 54mQantas Airways
Deal found 1/1$1,407
Sun 1/217:10MCI - BNE
2 stops23h 35mMultiple Airlines
Sun 8/210:45BNE - MCI
2 stops21h 23mMultiple Airlines
Deal found 2/1$1,432
Sat 31/107:04STL - BNE
1 stop29h 56mQantas Airways
Sat 7/218:30BNE - STL
2 stops38h 00mQantas Airways
Deal found 1/1$1,434
Sun 15/306:38STL - SYD
1 stop34h 22mQantas Airways
Tue 24/313:05SYD - STL
2 stops42h 23mQantas Airways
Deal found 2/1$1,441
Mon 13/414:40STL - BNE
2 stops25h 25mMultiple Airlines
Sun 19/410:00BNE - STL
2 stops44h 24mMultiple Airlines
Deal found 31/12$1,444
Sun 1/217:10MCI - BNE
2 stops23h 35mMultiple Airlines
Sat 7/210:45BNE - MCI
2 stops21h 23mMultiple Airlines
Deal found 1/1$1,446
Sat 31/116:15STL - BNE
2 stops48h 30mAir Canada
Sat 7/210:45BNE - STL
2 stops26h 13mAir Canada
Deal found 1/1$1,471
Mon 13/416:05STL - BNE
3 stops52h 25mAir Canada
Sun 19/410:00BNE - STL
2 stops44h 24mAir Canada
Deal found 31/12$1,491
Sun 12/416:05STL - BNE
2 stops48h 00mAir Canada
Sun 26/410:00BNE - STL
2 stops25h 54mAir Canada
Deal found 1/1$1,494
Sun 15/219:18MCI - MEL
1 stop21h 42mUnited Airlines
Sun 22/211:30MEL - MCI
2 stops27h 29mUnited Airlines
Deal found 1/1$1,495
Mon 16/210:24MCI - MEL
2 stops30h 06mUnited Airlines
Mon 23/213:00MEL - MCI
1 stop22h 37mUnited Airlines
Deal found 2/1$1,501

Find flights from Missouri within your budget

 
Find flights departing from Missouri 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 2 January 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 9/2

07:04-09:30

1 stop33h 26m

Melbourne

Mon 16/2

06:45-23:59

2 stops34h 14m

$1,398

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 9/2

07:04-09:30

1 stop33h 26m

Melbourne

Tue 3/3

06:45-23:59

2 stops34h 14m

$1,398

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Tue 10/2

17:04-14:50

2 stops28h 46m

Sydney Kingsford Smith

Tue 17/2

11:20-23:59

1 stop29h 39m

$1,407

Kansas CityBrisbane

MCI - BNE

MCIBNE

Kansas City

Sun 1/2

17:10-08:45

2 stops23h 35m

Brisbane

Sun 8/2

10:45-16:08

2 stops21h 23m

$1,432

Kansas CityBrisbane

MCI - BNE

MCIBNE

Kansas City

Sun 1/2

17:10-08:45

2 stops23h 35m

Brisbane

Sat 7/2

10:45-16:08

2 stops21h 23m

$1,446

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Sun 12/4

16:05-07:05

2 stops48h 00m

Brisbane

Sun 26/4

10:00-20:54

2 stops25h 54m

$1,494

Kansas CityMelbourne

MCI - MEL

MCIMEL

Kansas City

Sun 15/2

19:18-10:00

1 stop21h 42m

Melbourne

Sun 22/2

11:30-21:59

2 stops27h 29m

$1,495

Kansas CityMelbourne

MCI - MEL

MCIMEL

Kansas City

Mon 16/2

09:10-09:30

2 stops31h 20m

Melbourne

Mon 23/2

11:30-16:38

2 stops22h 08m

$1,501

Kansas CityMelbourne

MCI - MEL

MCIMEL

Kansas City

Thu 12/3

20:11-07:00

2 stops42h 49m

Melbourne

Sun 22/3

09:10-00:46

2 stops31h 36m

$1,512

Kansas CityBrisbane

MCI - BNE

MCIBNE

Kansas City

Mon 6/4

13:54-07:05

2 stops26h 11m

Brisbane

Thu 30/4

10:00-16:03

2 stops21h 03m

$1,555

Flights are sorted by cheapest return flights first.

Deals found on 2/1

Showing 1-10 of 60 results
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Best time to book a flight from Missouri

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

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

What is the cheapest month to book a flight from Missouri?

Currently, May is the cheapest month in which you can book a flight from Missouri (average of $851). Flying from Missouri in July will prove the most costly (average of $1,856). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What is the cheapest place to fly to from Missouri?

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

Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From $161
Miami
Miami
From $706

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Direct flights from USA

Book a direct flight from one of these other cities located in USA.
Direct flights from St. Louis
Direct flights from Kansas City
Direct flights from Springfield

Related info for your journey

Access useful and relevant information related to your journey from Missouri. 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 2 January 2026.

  • What is the cheapest month to fly from Missouri?

    Currently, the cheapest month for flights from Missouri is May. 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 Missouri?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Missouri. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

  • Why should you use Cheapflights to find cheap flight tickets from Missouri?

    Cheapflights helps you find that perfect flight from Missouri 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 Missouri with no change fees?

    Certainly. Search results for flights from Missouri 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 from Missouri become cheaper?

    Of course! You can now track prices for flights from Missouri and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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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 Missouri?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Missouri. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Missouri?

Cheapflights helps you find that perfect flight from Missouri 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 Missouri with no change fees?

Certainly. Search results for flights from Missouri 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 from Missouri become cheaper?

Of course! You can now track prices for flights from Missouri and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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