Cheap flights from Sydney (SYD) to St. Louis (STL) from $912

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/4. 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.
SYD — STL
jun. 13 — jun. 201

The best prices from Sydney Kingsford Smith to Lambert-St Louis are usually found in February or March, booked 14 days in advance, depart on a Wednesday or Monday and return on a Sunday

Cheap flight deals from Sydney to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated junio 8, 2024.

Popular in

December

Cheapest in

February

Average price

$1,776

Round-trip from

$318
High demand for flights, 25% potential price rise
Best time to find cheap flights, 16% potential price drop
Average for round-trip flights in June 2024
From Sydney Kingsford Smith to Lambert-St Louis

What is the cheapest day to fly round-trip from Sydney to St. Louis?

Friday flights are found to be more expensive to fly from Sydney to St. Louis. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to St. Louis.

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

Users have found that booking a flight from Sydney to St. Louis at least 15 days early can save you up to 49% on average compared to booking a flight this week. If booking 15 days before your flight isn’t an option for you, users have found flights from Sydney to St. Louis for as little as $1,098 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 $1,925 for flights departing within the next 3 days.

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

February can be a great time to fly to St. Louis from Sydney with a flight ticket averaging about $1,614. Cheapflights users have found deals in the month of February for as cheap as $1,040. The most expensive prices can be found in the month of December.

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

It’s optimal to fly from Sydney to St. Louis in the morning. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight at noon.

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

Find cheap flight options from Sydney to St. Louis specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,022,473 searches. Prices were last updated on junio 8, 2024.
Check out some of the best flight deals from Sydney to St. Louis in 2024. Check back regularly for other flight deals.
dom. 7/79:15 amSYD - STL
1 stop28h 52mAmerican Airlines
dom. 7/146:29 amSTL - SYD
1 stop33h 36mAmerican Airlines
Deal found 6/7$1,614
dom. 7/79:15 amSYD - STL
2 stops23h 04mAmerican Airlines
dom. 7/146:09 pmSTL - SYD
2 stops23h 01mAmerican Airlines
Deal found 6/7$1,615
sáb. 6/159:15 amSYD - STL
2 stops24h 28mAmerican Airlines
mié. 7/176:09 pmSTL - SYD
2 stops21h 56mAmerican Airlines
Deal found 6/7$1,818
sáb. 6/159:15 amSYD - STL
1 stop28h 43mQantas Airways
mié. 7/176:29 amSTL - SYD
1 stop33h 36mQantas Airways
Deal found 6/7$1,821
sáb. 6/159:15 amSYD - STL
1 stop28h 43mQantas Airways
lun. 7/156:29 amSTL - SYD
1 stop33h 36mQantas Airways
Deal found 6/7$1,822
sáb. 6/159:15 amSYD - STL
2 stops25h 02mAmerican Airlines
jue. 7/182:56 pmSTL - SYD
2 stops25h 09mAmerican Airlines
Deal found 6/7$1,868
sáb. 6/155:35 pmSYD - STL
1 stop20h 23mQantas Airways
jue. 7/186:29 amSTL - SYD
1 stop33h 36mQantas Airways
Deal found 6/7$1,896
jue. 6/139:25 amSYD - STL
2 stops26h 48mDelta
jue. 7/112:16 pmSTL - SYD
2 stops25h 19mDelta
Deal found 6/7$2,031
jue. 6/139:15 amSYD - STL
1 stop28h 43mAmerican Airlines
jue. 7/111:46 pmSTL - SYD
2 stops26h 19mAmerican Airlines
Deal found 6/7$2,033

Sydney to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Sydney and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,022,473 searches. Data last updated junio 8, 2024.
Check out some of the best flight deals from Sydney to St. Louis in 2024. Check back regularly for other flight deals.
jue. 8/89:15 amSYD - STL
1 stop28h 27mAmerican Airlines
jue. 12/127:20 amSTL - SYD
1 stop31h 10mAmerican Airlines
Deal found 6/7$1,130
jue. 8/89:15 amSYD - STL
2 stops27h 03mAmerican Airlines
jue. 12/1211:57 amSTL - SYD
2 stops25h 13mAmerican Airlines
Deal found 6/7$1,135
dom. 7/79:15 amSYD - STL
1 stop28h 52mAmerican Airlines
dom. 7/146:29 amSTL - SYD
1 stop33h 36mAmerican Airlines
Deal found 6/7$1,614
dom. 7/79:15 amSYD - STL
2 stops23h 04mAmerican Airlines
dom. 7/146:09 pmSTL - SYD
2 stops23h 01mAmerican Airlines
Deal found 6/7$1,615
jue. 8/89:20 amSYD - STL
3 stops50h 45mAir Canada
jue. 12/1210:40 amSTL - SYD
2 stops27h 15mAir Canada
Deal found 6/7$1,777
sáb. 6/159:15 amSYD - STL
2 stops24h 28mAmerican Airlines
mié. 7/176:09 pmSTL - SYD
2 stops21h 56mAmerican Airlines
Deal found 6/7$1,818
sáb. 6/159:15 amSYD - STL
1 stop28h 43mQantas Airways
mié. 7/176:29 amSTL - SYD
1 stop33h 36mQantas Airways
Deal found 6/7$1,821
sáb. 6/159:15 amSYD - STL
1 stop28h 43mQantas Airways
lun. 7/156:29 amSTL - SYD
1 stop33h 36mQantas Airways
Deal found 6/7$1,822
sáb. 6/159:15 amSYD - STL
2 stops25h 02mAmerican Airlines
jue. 7/182:56 pmSTL - SYD
2 stops25h 09mAmerican Airlines
Deal found 6/7$1,868

Sydney to St. Louis flights leaving soon

Find last-minute flight options from Sydney to St. Louis 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 3,022,473 searches. Data last updated junio 8, 2024.
Book one of these great deals on flights from Sydney to St. Louis. It's wise to confirm all flight details are correct before booking.
sáb. 6/159:15 amSYD - STL
2 stops24h 28mAmerican Airlines
mié. 7/176:09 pmSTL - SYD
2 stops21h 56mAmerican Airlines
Deal found 6/7$1,818
sáb. 6/159:15 amSYD - STL
1 stop28h 43mQantas Airways
mié. 7/176:29 amSTL - SYD
1 stop33h 36mQantas Airways
Deal found 6/7$1,821
sáb. 6/159:15 amSYD - STL
1 stop28h 43mQantas Airways
lun. 7/156:29 amSTL - SYD
1 stop33h 36mQantas Airways
Deal found 6/7$1,822
sáb. 6/159:15 amSYD - STL
2 stops25h 02mAmerican Airlines
jue. 7/182:56 pmSTL - SYD
2 stops25h 09mAmerican Airlines
Deal found 6/7$1,868
sáb. 6/155:35 pmSYD - STL
1 stop20h 23mQantas Airways
jue. 7/186:29 amSTL - SYD
1 stop33h 36mQantas Airways
Deal found 6/7$1,896
jue. 6/139:25 amSYD - STL
2 stops26h 48mDelta
jue. 7/112:16 pmSTL - SYD
2 stops25h 19mDelta
Deal found 6/7$2,031
jue. 6/139:15 amSYD - STL
1 stop28h 43mAmerican Airlines
jue. 7/111:46 pmSTL - SYD
2 stops26h 19mAmerican Airlines
Deal found 6/7$2,033
jue. 6/135:35 pmSYD - STL
1 stop20h 23mQantas Airways
jue. 7/116:29 amSTL - SYD
1 stop33h 36mQantas Airways
Deal found 6/7$2,063
jue. 6/139:20 amSYD - STL
3 stops50h 45mAir Canada
jue. 7/1110:10 amSTL - SYD
2 stops30h 10mAir Canada
Deal found 6/7$2,498

One-way flights to St. Louis from Sydney

Search for one-way flight options from Sydney to St. Louis. 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 3,022,473 searches. Data last updated junio 8, 2024.
Users in need of a one-way flight from Sydney to St. Louis can choose from these deals. For those needing a return trip from Sydney, there is a search form available above.
mié. 12/49:15 amSYD - STL
2 stops46h 18mJapan Airlines
Deal found 6/8$912
mié. 12/42:00 pmSYD - STL
1 stop20h 56mUnited Airlines
Deal found 6/8$1,123
mié. 12/47:30 amSYD - STL
3 stops25h 38mMultiple Airlines
Deal found 6/8$1,596
vie. 6/147:55 amSYD - STL
2 stops49h 37mSingapore Airlines
Deal found 6/7$2,136

Find flights from Sydney to St. Louis within your budget

Customize your flight search to find flights from Sydney to St. Louis 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 3,022,473 searches. Data last updated junio 8, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,130 - $3,126

Route

Depart

Return

Price

Sydney Kingsford SmithLambert-St Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

jue. 8/8

1 stop28h 27m

Lambert-St Louis

jue. 12/12

1 stop31h 10m

$1,130

Sydney Kingsford SmithLambert-St Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

jue. 8/8

2 stops27h 03m

Lambert-St Louis

jue. 12/12

2 stops25h 13m

$1,135

Sydney Kingsford SmithLambert-St Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

jue. 7/25

1 stop28h 52m

Lambert-St Louis

mié. 7/31

2 stops49h 09m

$1,136

Sydney Kingsford SmithLambert-St Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

dom. 7/7

1 stop28h 52m

Lambert-St Louis

dom. 7/14

1 stop33h 36m

$1,614

Sydney Kingsford SmithLambert-St Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

dom. 7/7

2 stops23h 04m

Lambert-St Louis

dom. 7/14

2 stops23h 01m

$1,615

Sydney Kingsford SmithLambert-St Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

jue. 8/8

3 stops50h 45m

Lambert-St Louis

jue. 12/12

2 stops27h 15m

$1,777

Sydney Kingsford SmithLambert-St Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

jue. 7/25

3 stops50h 45m

Lambert-St Louis

mié. 7/31

2 stops48h 15m

$1,929

Sydney Kingsford SmithLambert-St Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

jue. 7/25

1 stop18h 30m

Lambert-St Louis

mié. 7/31

1 stop21h 45m

$1,969

Sydney Kingsford SmithLambert-St Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

jue. 7/25

3 stops36h 27m

Lambert-St Louis

mié. 7/31

3 stops60h 35m

$3,126

Flights are sorted by cheapest first

Deals found on 6/7

How far ahead should I book a flight from Sydney to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Sydney to St. Louis. Price data was last updated on May 31, 2024.
The price you pay for your flight from Sydney to St. Louis may vary depending on when you book. For the best chance of a lower fare, look to book 14 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

What is the cheapest day to fly from Sydney to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Sydney to St. Louis. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Sydney to St. Louis flight should consider departing on Wednesday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Sydney 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.

Temperature and rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature and rainfall totals by month.

STL

Temperature

32 - 80.6 °F

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to 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 an airline for your flight to St. Louis. Reviews last updated junio 8, 2024.
See what other customers who have flown with American Airlines, LATAM Airlines and Air Canada from Sydney to St. Louis have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.3
Very good
1,460 reviews

Comfort

8.2

Crew

8.7

Overall

8.3

Food

7.8

Entertainment

7.8

Boarding

8.4

Reviews

1 / 10

Our flight was changed a couple of times. It was a choas just to a boarding pass!! Boarding was not better!

8.3
Very good
1,460 reviews
8.3
Very good
1,460 reviews

Comfort

8.2

Crew

8.7

Overall

8.3

Food

7.8

Entertainment

7.8

Boarding

8.4

Reviews

1 / 10

Our flight was changed a couple of times. It was a choas just to a boarding pass!! Boarding was not better!

8.2
Very good
1,420 reviews
8.3
Very good
1,460 reviews

Comfort

8.2

Crew

8.7

Overall

8.3

Food

7.8

Entertainment

7.8

Boarding

8.4

Reviews

1 / 10

Our flight was changed a couple of times. It was a choas just to a boarding pass!! Boarding was not better!

7.5
Good
2,316 reviews
8.3
Very good
1,460 reviews

Comfort

8.2

Crew

8.7

Overall

8.3

Food

7.8

Entertainment

7.8

Boarding

8.4

Reviews

1 / 10

Our flight was changed a couple of times. It was a choas just to a boarding pass!! Boarding was not better!

7.4
Good
10,680 reviews
8.3
Very good
1,460 reviews

Comfort

8.2

Crew

8.7

Overall

8.3

Food

7.8

Entertainment

7.8

Boarding

8.4

Reviews

1 / 10

Our flight was changed a couple of times. It was a choas just to a boarding pass!! Boarding was not better!

7.3
Good
14,186 reviews
8.3
Very good
1,460 reviews

Comfort

8.2

Crew

8.7

Overall

8.3

Food

7.8

Entertainment

7.8

Boarding

8.4

Reviews

1 / 10

Our flight was changed a couple of times. It was a choas just to a boarding pass!! Boarding was not better!

Related info for your journey

Find useful and relevant information for your journey from Sydney to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Sydney to St. Louis for under $1,200 on Cheapflights?

    Yes, there are multiple flights from Sydney to St. Louis for under $1,200. The cheapest flight booked recently is on American Airlines for just $1,130, but on average you can expect to pay $1,949.

  • Are there last-minute flights available from Sydney to St. Louis for under $1,900?

    There are currently 14+ open flights from Sydney to St. Louis within the next 7 days for less than $1,900.

  • What are the cheapest airlines flying from Sydney to St. Louis round-trip?

    Our cheapest airline available from Sydney to St. Louis is American Airlines. Our recent data shows that you can find tickets from as low as $1,130 on this airline. Additional options worth looking into are Air Canada and LATAM Airlines, starting at $1,777 and $3,126 round-trip. Users have found that American Airlines is 29% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with Japan Airlines, which is currently one of the cheapest options available, starting at $912. United Airlines flights start at $1,123 while deals on Singapore Airlines start at $2,136 one-way.

  • What does SYD to STL mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Sydney Kingsford Smith Airport to Lambert-St Louis Airport flight would often be abbreviated as a SYD to STL flight.

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

    The amount of baggage you can bring on your Sydney to St. Louis 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 Sydney to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter Sydney to St. Louis 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 Sydney to St. Louis that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Sydney to St. Louis 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 Sydney to St. Louis that allow pets onboard?

    Many airlines flying from Sydney to St. Louis 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 Sydney to St. Louis?

    Yes, you can often find last-minute deals on Sydney to St. Louis 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 Sydney to St. Louis flight deals updated?

    The Sydney to St. Louis flight deals you see on this page were last updated on 6/7.

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

    Currently, September is the cheapest month in which you can book a flight from Sydney to St. Louis (average of $318). Flying from Sydney to St. Louis in July is currently the most expensive (average of $365). 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

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

Top 2 airlines flying from Sydney to St. Louis

Discover the top 2 airlines that operate flights from Sydney to St. Louis. 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 3,022,473 searches. Data last updated junio 8, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,048Average$1,625FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,297Average$1,649FlexibilityNo cancel feeOn-time69%

Search flights from Sydney to St. Louis by cabin class

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