HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from St. Louis (STL) to Australia from $1,295

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. 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
Jun 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

How far in advance should I book a flight from St. Louis to Australia?

Users have found that booking a flight from St. Louis to Australia at least 61 days early can save you up to 109% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from St. Louis to Australia for as little as $989 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,954 for flights departing within the next 3 days.

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

The best pricing can be found in the month of February. Prices to Australia from St. Louis average $1,676. You can even find prices in February for less than $1,676, as users have found deals to Australia from as low as $1,195. The month of December appears to be one of the more expensive times to travel to Australia from St. Louis. Flying in the targeted month can save you up to 55%.

What is the cheapest time of day to fly from STL to AU?

When flying from St. Louis to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Air New Zealand flights from St. Louis to Australia

Explore cheap flight options specifically provided by Air New Zealand for the route between St. Louis and Australia. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Find some of the cheapest Air New Zealand flights traveling from St. Louis to Australia. It's recommended that users confirm their flight details before booking.
Mon 8/125:03 pmSTL - SYD
2 stops26h 32mAir New Zealand
Sat 8/179:30 amSYD - STL
2 stops21h 58mAir New Zealand
Deal found 6/1$1,943
Mon 6/244:55 pmSTL - SYD
2 stops26h 40mAir New Zealand
Mon 7/16:10 pmSYD - STL
2 stops41h 21mAir New Zealand
Deal found 6/1$2,054
Wed 11/2011:05 amSTL - CBR
3 stops35h 40mAir New Zealand
Tue 11/267:05 amCBR - STL
2 stops34h 22mAir New Zealand
Deal found 6/2$2,124
Fri 6/214:55 pmSTL - SYD
2 stops26h 40mAir New Zealand
Sat 7/139:55 amSYD - STL
2 stops27h 22mAir New Zealand
Deal found 6/1$2,136
Fri 9/276:05 pmSTL - SYD
1 stop21h 55mAir New Zealand
Sat 10/58:55 amSYD - STL
2 stops28h 20mAir New Zealand
Deal found 6/1$10,278
Tue 11/197:09 pmSTL - CBR
2 stops30h 21mAir New Zealand
Mon 11/258:50 amCBR - STL
3 stops29h 02mAir New Zealand
Deal found 6/2$11,146

Cheap American Airlines flights from St. Louis to Australia

Explore cheap flight options specifically provided by American Airlines for the route between St. Louis and Australia. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Take a gander at the lowest prices we've found on American Airlines flights from St. Louis to Australia. Deals frequently update to provide users with more options.
Sun 6/96:11 pmSTL - SYD
2 stops21h 54mAmerican Airlines
Wed 6/199:15 amSYD - STL
1 stop28h 43mAmerican Airlines
Deal found 6/1$2,722
Mon 8/126:10 pmSTL - SYD
2 stops21h 55mAmerican Airlines
Sat 8/179:15 amSYD - STL
1 stop28h 27mAmerican Airlines
Deal found 6/1$2,772

Cheap St. Louis to Australia flights in June & July 2024

Find cheap flight options from St. Louis to Australia specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Prices were last updated on June 2, 2024.
These are some of the best deals we've found on flights to Australia in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 6/44:55 pmSTL - SYD
2 stops23h 00mAir New Zealand
Thu 6/69:55 amSYD - STL
2 stops27h 20mAir New Zealand
Deal found 5/31$2,034
Mon 6/244:55 pmSTL - SYD
2 stops26h 40mAir New Zealand
Mon 7/16:10 pmSYD - STL
2 stops41h 21mAir New Zealand
Deal found 6/1$2,054
Fri 6/214:55 pmSTL - SYD
2 stops26h 40mAir New Zealand
Sat 7/139:55 amSYD - STL
2 stops27h 22mAir New Zealand
Deal found 6/1$2,136
Fri 6/214:55 pmSTL - SYD
2 stops24h 50mMultiple Airlines
Sat 7/138:45 amSYD - STL
3 stops28h 35mMultiple Airlines
Deal found 6/1$2,241
Fri 6/214:45 pmSTL - SYD
3 stops25h 00mMultiple Airlines
Sat 7/138:45 amSYD - STL
3 stops28h 35mMultiple Airlines
Deal found 6/1$2,246
Thu 6/278:58 amSTL - MEL
2 stops34h 52mAir New Zealand
Thu 7/48:45 amMEL - STL
2 stops26h 46mAir New Zealand
Deal found 6/2$2,275
Fri 6/216:29 amSTL - SYD
1 stop33h 36mQantas Airways
Sat 7/139:15 amSYD - STL
1 stop28h 52mQantas Airways
Deal found 6/1$2,281
Wed 6/54:55 pmSTL - SYD
2 stops23h 00mAir New Zealand
Fri 6/79:55 amSYD - STL
2 stops27h 20mAir New Zealand
Deal found 6/1$2,292
Sun 6/99:50 amSTL - SYD
2 stops54h 30mAir Canada
Wed 6/199:20 amSYD - STL
2 stops42h 26mAir Canada
Deal found 6/1$2,295

St. Louis to Australia 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Australia in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
These are some of the best deals we've found on flights to Australia in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Sat 11/94:10 pmSTL - SYD
2 stops48h 10mAir Canada
Sat 11/1611:20 amSYD - STL
2 stops39h 33mAir Canada
Deal found 5/31$1,295
Thu 11/710:40 amSTL - SYD
2 stops29h 40mAir Canada
Sat 11/1611:20 amSYD - STL
2 stops39h 33mAir Canada
Deal found 6/1$1,360
Sat 11/97:09 pmSTL - SYD
1 stop21h 06mUnited Airlines
Sat 11/1612:10 pmSYD - STL
1 stop22h 41mUnited Airlines
Deal found 5/31$1,425
Thu 11/712:58 pmSTL - SYD
2 stops27h 17mUnited Airlines
Sat 11/162:00 pmSYD - STL
1 stop20h 51mUnited Airlines
Deal found 6/1$1,430
Thu 11/77:23 pmSTL - SYD
1 stop20h 37mQantas Airways
Sat 11/165:30 pmSYD - STL
1 stop22h 30mQantas Airways
Deal found 6/1$1,452
Sat 7/63:43 pmSTL - BNE
2 stops47h 47mUnited Airlines
Wed 7/1710:30 amBNE - STL
2 stops21h 42mUnited Airlines
Deal found 6/1$1,503
Sun 10/206:05 pmSTL - MEL
1 stop23h 10mUnited Airlines
Sat 11/212:00 pmMEL - STL
1 stop28h 27mUnited Airlines
Deal found 6/2$1,514
Wed 11/2010:40 amSTL - CBR
3 stops33h 30mMultiple Airlines
Tue 11/267:55 amCBR - STL
3 stops42h 58mMultiple Airlines
Deal found 6/2$1,517
Sun 10/204:55 pmSTL - MEL
2 stops24h 20mUnited Airlines
Sat 11/212:00 pmMEL - STL
2 stops26h 15mUnited Airlines
Deal found 6/2$1,519

St. Louis to Australia flights leaving soon

Find last-minute flight options from St. Louis to Australia for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Book one of these great deals on flights from St. Louis to Australia. Users should examine the flight details to ensure there are no surprises.
Sun 6/99:50 amSTL - SYD
2 stops54h 30mAir Canada
Wed 6/199:20 amSYD - STL
2 stops42h 26mAir Canada
Deal found 6/1$2,295
Sun 6/911:00 amSTL - SYD
3 stops53h 20mAir Canada
Wed 6/199:20 amSYD - STL
2 stops45h 01mAir Canada
Deal found 6/1$2,453
Sun 6/96:29 amSTL - SYD
1 stop33h 36mQantas Airways
Wed 6/199:15 amSYD - STL
1 stop28h 43mQantas Airways
Deal found 6/1$2,560
Sun 6/96:11 pmSTL - SYD
2 stops21h 54mAmerican Airlines
Wed 6/199:15 amSYD - STL
1 stop28h 43mAmerican Airlines
Deal found 6/1$2,722
Sun 6/92:56 pmSTL - SYD
3 stops47h 14mBritish Airways
Wed 6/192:40 pmSYD - STL
3 stops41h 38mBritish Airways
Deal found 6/1$10,663

One-way flights to Australia from St. Louis

Search for one-way flight options from St. Louis to Australia. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
If you're seeking multiple options on one-way flights from St. Louis to Australia, be sure to check out these deals, which are updated often. Users needing a return flight from St. Louis to Australia should utilize the search form above.
Fri 6/214:55 pmSTL - MEL
2 stops26h 55mAir New Zealand
Deal found 6/1$1,403
Wed 6/1911:05 amSTL - MEL
2 stops38h 40mQatar Airways
Deal found 6/1$1,439
Fri 6/211:42 pmSTL - MEL
3 stops30h 08mMultiple Airlines
Deal found 6/1$1,510
Fri 6/215:27 pmSTL - MEL
1 stop20h 58mQantas Airways
Deal found 6/1$1,527
Fri 6/2111:00 amSTL - AVV
3 stops38h 00mMultiple Airlines
Deal found 6/1$1,552
Wed 6/198:01 amSTL - MEL
1 stop30h 24mMultiple Airlines
Deal found 6/1$1,557
Fri 6/216:29 amSTL - AVV
2 stops49h 21mQantas Airways
Deal found 6/1$1,574
Wed 6/196:29 amSTL - AVV
2 stops46h 46mQantas Airways
Deal found 6/1$1,740
Wed 6/198:05 amSTL - MEL
3 stops35h 45mMultiple Airlines
Deal found 6/1$1,743

Find flights from St. Louis to Australia within your budget

Customize your flight search to find flights from St. Louis to Australia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,295 - $2,772

Route

Depart

Return

Price

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Sat 11/9

2 stops48h 10m

Sydney Kingsford Smith

Sat 11/16

2 stops39h 33m

$1,295

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Tue 7/2

2 stops30h 57m

Sydney Kingsford Smith

Tue 7/9

2 stops26h 51m

$1,330

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Thu 11/7

2 stops29h 40m

Sydney Kingsford Smith

Sat 11/16

2 stops39h 33m

$1,360

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Sat 11/9

1 stop21h 06m

Sydney Kingsford Smith

Sat 11/16

1 stop22h 41m

$1,425

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Tue 7/2

1 stop33h 36m

Sydney Kingsford Smith

Tue 7/9

1 stop20h 32m

$1,437

Lambert-St LouisCanberra

STL - CBR

STLCBR

Lambert-St Louis

Wed 11/20

3 stops33h 30m

Canberra

Tue 11/26

3 stops42h 58m

$1,517

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Mon 8/12

2 stops26h 32m

Sydney Kingsford Smith

Sat 8/17

2 stops21h 58m

$1,943

Lambert-St LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Sat 7/6

2 stops62h 26m

Brisbane

Tue 7/16

2 stops61h 12m

$2,514

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Mon 8/12

2 stops21h 55m

Sydney Kingsford Smith

Sat 8/17

1 stop28h 27m

$2,772

Flights are sorted by cheapest first

Deals found on 5/31

No data available for this route at this time. Please check back soon.

Best time to book a flight from St. Louis to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from St. Louis with our price prediction graph.
Estimated round-trip 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.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated June 2, 2024.
Get a feel of what it's like to fly with Air New Zealand, American Airlines and Air Canada from St. Louis to Australia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.5
Very good
914 reviews
Check prices

Crew

8.8

Comfort

8.3

Entertainment

8.0

Boarding

8.6

Food

7.8

Overall

8.5

Reviews

1 / 10

Got me there and back on time. Except for a 30 min maintenance delay, but that meant more time for nap. Crew was super nice.

ANA
8.5
Very good
914 reviews
ANA
8.5
Very good
914 reviews
Check prices

Crew

8.8

Comfort

8.3

Entertainment

8.0

Boarding

8.6

Food

7.8

Overall

8.5

Reviews

1 / 10

Got me there and back on time. Except for a 30 min maintenance delay, but that meant more time for nap. Crew was super nice.

Japan Airlines
8.3
Very good
1,466 reviews
ANA
8.5
Very good
914 reviews
Check prices

Crew

8.8

Comfort

8.3

Entertainment

8.0

Boarding

8.6

Food

7.8

Overall

8.5

Reviews

1 / 10

Got me there and back on time. Except for a 30 min maintenance delay, but that meant more time for nap. Crew was super nice.

Air New Zealand
8.3
Very good
606 reviews
ANA
8.5
Very good
914 reviews
Check prices

Crew

8.8

Comfort

8.3

Entertainment

8.0

Boarding

8.6

Food

7.8

Overall

8.5

Reviews

1 / 10

Got me there and back on time. Except for a 30 min maintenance delay, but that meant more time for nap. Crew was super nice.

Emirates
8.1
Very good
3,907 reviews
ANA
8.5
Very good
914 reviews
Check prices

Crew

8.8

Comfort

8.3

Entertainment

8.0

Boarding

8.6

Food

7.8

Overall

8.5

Reviews

1 / 10

Got me there and back on time. Except for a 30 min maintenance delay, but that meant more time for nap. Crew was super nice.

Cathay Pacific
7.8
Good
1,049 reviews
ANA
8.5
Very good
914 reviews
Check prices

Crew

8.8

Comfort

8.3

Entertainment

8.0

Boarding

8.6

Food

7.8

Overall

8.5

Reviews

1 / 10

Got me there and back on time. Except for a 30 min maintenance delay, but that meant more time for nap. Crew was super nice.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Australia?

    For a flight from St. Louis to Australia, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

  • Can I find flights from St. Louis to Australia for under $1,300 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Australia for under $1,300. The cheapest flight booked recently is on Air Canada for just $1,295, but on average you can expect to pay $1,532.

  • Are there last-minute flights available from St. Louis to Australia for under $2,300?

    There are currently 5+ open flights from St. Louis to Australia within the next 7 days for less than $2,300.

  • What are the cheapest airlines to fly from St. Louis to Australia one-way?

    To fly one-way, consider booking your trip with Air New Zealand, which is currently one of the cheapest options available, starting at $1,403. Qatar Airways flights start at $1,439 while deals on Qantas Airways start at $1,527 one-way.

  • What are the most popular routes from St. Louis to Australia?

    The most popular flight routes from St. Louis to Australia are Lambert-St Louis - Sydney Kingsford Smith, Lambert-St Louis - Melbourne and Lambert-St Louis - Melbourne Avalon.

  • What does STL to SYD mean?

    STL and SYD are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. STL to SYD refers to a flight route from Lambert-St Louis Airport to Sydney Kingsford Smith Airport. Melbourne Airport (MEL), Brisbane Airport (BNE), Perth Airport (PER), Adelaide Airport (ADL), Cairns Airport (CNS) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from St. Louis to Australia that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Australia flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Australia with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Australia flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Australia that include hotel bookings?

    Yes. In addition to deals on St. Louis to Australia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Australia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Australia.

  • Can I find deals for business class flights from St. Louis to Australia?

    Yes. Cheapflights offers flight deals from St. Louis to Australia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Australia that allow pets onboard?

    Many airlines flying from St. Louis to Australia offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Australia?

    Yes, you can often find last-minute deals on St. Louis to Australia flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Australia flight deals updated?

    The St. Louis to Australia flight deals you see on this page were last updated on 6/2.

  • What are the most popular airlines that fly from St. Louis to Australia?

    Consider American Airlines, Air Canada or Delta when booking your flight. These represent the most popular airlines when flying from St. Louis to Australia.

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

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Australia (average of $1,097). Flying from St. Louis to Australia in July is currently the most expensive (average of $1,385). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Australia
See prices for flight routes from nearby airports that may be better suited for you.

Kansas City to Sydney flights
St. Louis to Sydney flights
St. Louis to Melbourne flights
Kansas City to Auckland flights
Kansas City to Tamuning flights
St. Louis to Tamuning flights
Kansas City to Papeete flights
Kansas City to Brisbane flights
Columbia to Melbourne flights
Kansas City to Pago Pago flights
St. Louis to Auckland flights
Kansas City to Apia flights
Kansas City to Canberra flights
Kansas City to Melbourne flights
St. Louis to Hobart flights
St. Louis to Christchurch flights
Kansas City to Vaitape flights
St. Louis to Cairns flights
St. Louis to Brisbane flights
St. Louis to Perth flights
Springfield to Brisbane flights
Springfield to Coolangatta flights
Kansas City to Avalon flights
St. Louis to Nadi flights
Kansas City to Port Moresby flights
Kansas City to Nadi flights
St. Louis to Papeete flights
St. Louis to Wellington flights
St. Louis to Suva flights
St. Louis to Canberra flights
St. Louis to Vaitape flights
Kansas City to Queenstown flights
Kansas City to Wellington flights
Kansas City to Rarotonga flights
Kansas City to Perth flights
Kansas City to Christchurch flights
Kansas City to Adelaide flights
Columbia to Sydney flights

Top 6 airlines flying from St. Louis to Australia

Discover the top 6 airlines that operate flights from St. Louis to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$924Average$1,448FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$1,013Average$1,535FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest$1,127Average$1,391FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest$1,205Average$1,523FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Qantas AirwaysCheapest$1,257Average$2,191FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$1,422Average$1,842FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
San Diego to Dallas flights
New York to Tampa flights
Miami to The Bahamas flights
Boston to Newark Airport flights
Buffalo to New York flights
New York John F Kennedy Intl Airport to Miami flights
Los Angeles to Toronto flights
Philadelphia to Las Vegas flights
Los Angeles to Honolulu flights
Boston to Myrtle Beach flights
San Diego to Los Angeles flights
St. Louis to Oranjestad flights

Search flights from St. Louis to Australia by cabin class

Find flights from St. Louis to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Laayoune Hassan I
Flights to Virac
Flights to Figari-Sud Corse
Flights to Edremit/Korfez
Flights to Rhinelander Oneida County
Flights to Girona Costa Brava
Flights to Brainerd Crow Wing County
Flights to Parikia Paros
Flights to Cortez Montezuma County
Flights to Miyakojima Hirara
Flights to Zadar
Flights to Trapani Birgi
Flights to Provincetown
Flights to Oran Es Senia
Flights to Constanţa Mihail Kogalniceanu
Flights to Vava'u Lupepau'U
Flights to Urumqi
Flights to Hakodate
Flights to Naxos
Flights to Dalaman
Flights to Hyannis Barnstable
Flights to Devils Lake
Flights to Bastia Poretta
Flights to Karpathos

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Australia from St. Louis today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from St. Louis to Australia.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis to Australia, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Australia from St. Louis today and book when prices fit your budget.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines