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Cheap flights from St. Louis (STL) to Sydney (SYD) from $1,009

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 9/26. 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
May 2 — May 91
From?
To?
Thu 5/2
Thu 5/9
1 adult, Economy
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The best prices from Lambert-St Louis to Sydney Kingsford Smith are usually found in November or October, booked 47 days in advance, depart on a Sunday or Tuesday and return on a Monday

Cheap flight deals from St. Louis to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Sydney (SYD). 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 April 27, 2024.

Popular in

December

Cheapest in

November

Round-trip from

$1,116

One-way from

$1,069
High demand for flights, 34% potential price rise
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Best time to find cheap flights, 24% potential price drop
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From Lambert-St Louis to Sydney Kingsford Smith
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One-way flight from Lambert-St Louis to Sydney Kingsford Smith
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What is the cheapest day to fly round-trip from St. Louis to Sydney?

It’s generally more expensive to depart on a Saturday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

Find a great deal and save up to 81% by booking at least 48 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Sydney within the next two weeks, with the cheapest ticket starting at $2,362.

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

Flights from St. Louis to Sydney lean towards being more expensive in December. Prices are generally better when you fly from St. Louis to Sydney in November, with the cheapest ticket starting at $1,218.

When is the cheapest time to fly from St. Louis to Sydney (STL - SYD)?

It’s optimal to fly from St. Louis to Sydney in the morning. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the evening.

Cheap Air Canada flights from St. Louis to Sydney

Explore cheap flight options specifically provided by Air Canada for the route between St. Louis and Sydney. 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 2,991,349 searches. Data last updated April 27, 2024.
Peruse some of the lowest-priced Air Canada flights we've found from St. Louis to Sydney. It's recommended that users confirm their flight details before booking.
Wed 8/1410:10 amSTL - SYD
2 stops30h 10mAir Canada
Sun 8/189:20 amSYD - STL
2 stops25h 41mAir Canada
Deal found 4/25$1,940
Sat 5/1811:00 amSTL - SYD
2 stops29h 20mAir Canada
Fri 5/319:20 amSYD - STL
2 stops26h 45mAir Canada
Deal found 4/26$2,048
Sun 4/285:00 pmSTL - SYD
2 stops47h 20mAir Canada
Sun 5/59:20 amSYD - STL
2 stops26h 45mAir Canada
Deal found 4/27$2,173
Mon 4/295:00 pmSTL - SYD
2 stops47h 20mAir Canada
Wed 5/89:20 amSYD - STL
2 stops25h 41mAir Canada
Deal found 4/27$2,179
Sun 7/2110:10 amSTL - SYD
2 stops30h 10mAir Canada
Thu 7/259:20 amSYD - STL
2 stops26h 45mAir Canada
Deal found 4/26$2,298
Fri 7/58:05 amSTL - SYD
3 stops32h 15mAir Canada
Sun 7/219:20 amSYD - STL
2 stops25h 41mAir Canada
Deal found 4/26$2,308
Sun 7/2110:10 amSTL - SYD
2 stops30h 10mAir Canada
Thu 7/259:20 amSYD - STL
3 stops50h 45mAir Canada
Deal found 4/26$2,450
Sun 4/285:00 pmSTL - SYD
2 stops47h 20mAir Canada
Sun 5/59:20 amSYD - STL
3 stops50h 45mAir Canada
Deal found 4/27$2,462
Thu 5/211:00 amSTL - SYD
3 stops29h 20mAir Canada
Thu 5/99:20 amSYD - STL
2 stops25h 41mAir Canada
Deal found 4/27$2,746

Cheap Qantas Airways flights from St. Louis to Sydney

Explore cheap flight options specifically provided by Qantas Airways for the route between St. Louis and Sydney. 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 2,991,349 searches. Data last updated April 27, 2024.
Browse through some of the cheapest Qantas Airways flights traveling from St. Louis to Sydney. Check back soon if you're not seeing flights that suit your needs.
Sun 8/185:30 pmSTL - SYD
1 stop22h 35mQantas Airways
Sat 8/313:50 pmSYD - STL
1 stop19h 25mQantas Airways
Deal found 4/26$1,674
Sat 9/75:30 pmSTL - SYD
1 stop23h 40mQantas Airways
Sat 9/145:35 pmSYD - STL
1 stop37h 05mQantas Airways
Deal found 4/26$1,733
Fri 6/216:29 amSTL - SYD
1 stop33h 36mQantas Airways
Sat 7/139:15 amSYD - STL
1 stop28h 52mQantas Airways
Deal found 4/26$2,000
Sun 5/266:02 pmSTL - SYD
1 stop22h 03mQantas Airways
Sun 6/29:15 amSYD - STL
1 stop29h 02mQantas Airways
Deal found 4/26$2,076
Sun 5/266:02 pmSTL - SYD
1 stop22h 03mQantas Airways
Sun 6/26:00 pmSYD - STL
2 stops44h 17mQantas Airways
Deal found 4/26$2,212
Sat 5/187:20 pmSTL - SYD
1 stop19h 55mQantas Airways
Fri 5/315:35 pmSYD - STL
1 stop20h 42mQantas Airways
Deal found 4/26$2,275
Fri 7/56:29 amSTL - SYD
1 stop33h 36mQantas Airways
Sun 7/219:15 amSYD - STL
1 stop28h 52mQantas Airways
Deal found 4/26$2,280
Sun 7/216:29 amSTL - SYD
1 stop33h 36mQantas Airways
Thu 7/259:15 amSYD - STL
1 stop28h 52mQantas Airways
Deal found 4/26$2,507
Mon 4/296:59 pmSTL - SYD
1 stop21h 06mQantas Airways
Wed 5/89:15 amSYD - STL
1 stop29h 02mQantas Airways
Deal found 4/26$2,538

Cheap St. Louis to Sydney flights in April & May 2024

Find cheap flight options from St. Louis to Sydney specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,991,349 searches. Prices were last updated on April 27, 2024.
These are some of the best deals we've found on flights to Sydney in 2024 at this time. Check back soon for alternative fares.
Fri 5/246:02 pmSTL - SYD
1 stop22h 03mAmerican Airlines
Fri 5/319:15 amSYD - STL
1 stop29h 02mAmerican Airlines
Deal found 4/26$1,564
Fri 5/242:00 pmSTL - SYD
2 stops26h 05mAmerican Airlines
Fri 5/319:15 amSYD - STL
2 stops25h 15mAmerican Airlines
Deal found 4/26$1,565
Fri 5/246:02 pmSTL - SYD
1 stop22h 03mAmerican Airlines
Fri 5/319:15 amSYD - STL
2 stops25h 15mAmerican Airlines
Deal found 4/26$1,567
Thu 5/26:59 pmSTL - SYD
2 stops48h 51mCathay Pacific
Thu 5/99:50 pmSYD - STL
2 stops64h 27mCathay Pacific
Deal found 4/27$1,924
Fri 5/2410:15 amSTL - SYD
3 stops31h 30mMultiple Airlines
Fri 5/319:55 amSYD - STL
2 stops25h 30mMultiple Airlines
Deal found 4/26$2,077
Sun 4/285:00 pmSTL - SYD
2 stops47h 20mAir Canada
Sun 5/59:20 amSYD - STL
2 stops26h 45mAir Canada
Deal found 4/27$2,173
Mon 4/295:00 pmSTL - SYD
2 stops47h 20mAir Canada
Wed 5/89:20 amSYD - STL
2 stops25h 41mAir Canada
Deal found 4/27$2,179
Wed 5/110:09 amSTL - SYD
2 stops29h 01mJapan Airlines
Fri 5/38:15 amSYD - STL
2 stops29h 39mJapan Airlines
Deal found 4/27$2,190
Sun 4/285:00 pmSTL - SYD
2 stops47h 20mAir Canada
Sun 5/59:20 amSYD - STL
3 stops50h 45mAir Canada
Deal found 4/27$2,462

St. Louis to Sydney 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Sydney in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 27, 2024.
These are some of the best deals we've found on flights to Sydney in 2024 at this time. Check back soon for alternative fares.
Wed 8/148:58 amSTL - SYD
2 stops34h 37mAir New Zealand
Tue 9/39:55 amSYD - STL
2 stops27h 18mAir New Zealand
Deal found 4/27$1,320
Wed 8/141:45 pmSTL - SYD
3 stops28h 00mMultiple Airlines
Tue 9/311:50 amSYD - STL
2 stops25h 23mMultiple Airlines
Deal found 4/27$1,415
Fri 5/246:02 pmSTL - SYD
1 stop22h 03mAmerican Airlines
Fri 5/319:15 amSYD - STL
1 stop29h 02mAmerican Airlines
Deal found 4/26$1,564
Fri 5/242:00 pmSTL - SYD
2 stops26h 05mAmerican Airlines
Fri 5/319:15 amSYD - STL
2 stops25h 15mAmerican Airlines
Deal found 4/26$1,565
Fri 5/246:02 pmSTL - SYD
1 stop22h 03mAmerican Airlines
Fri 5/319:15 amSYD - STL
2 stops25h 15mAmerican Airlines
Deal found 4/26$1,567
Wed 8/1412:10 pmSTL - SYD
1 stop27h 05mMultiple Airlines
Tue 9/39:10 amSYD - STL
1 stop21h 30mMultiple Airlines
Deal found 4/27$1,715
Wed 8/146:08 amSTL - SYD
2 stops33h 52mUnited Airlines
Tue 9/310:20 amSYD - STL
1 stop29h 07mUnited Airlines
Deal found 4/27$1,716
Fri 9/62:05 pmSTL - SYD
1 stop25h 10mMultiple Airlines
Sun 9/153:50 pmSYD - STL
1 stop21h 34mMultiple Airlines
Deal found 4/27$1,765
Fri 9/62:38 pmSTL - SYD
2 stops25h 27mAmerican Airlines
Sun 9/159:10 amSYD - STL
2 stops23h 07mAmerican Airlines
Deal found 4/27$1,767

St. Louis to Sydney flights leaving soon

Find last-minute flight options from St. Louis to Sydney 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 2,991,349 searches. Data last updated April 27, 2024.
Book one of these great deals on flights from St. Louis to Sydney. To prevent any unwanted surprises, users should verify their flight info before booking.
Thu 5/26:59 pmSTL - SYD
2 stops48h 51mCathay Pacific
Thu 5/99:50 pmSYD - STL
2 stops64h 27mCathay Pacific
Deal found 4/27$1,924
Wed 5/16:59 pmSTL - SYD
2 stops46h 46mMultiple Airlines
Wed 5/299:50 pmSYD - STL
2 stops40h 27mMultiple Airlines
Deal found 4/26$2,034
Sun 4/285:00 pmSTL - SYD
2 stops47h 20mAir Canada
Sun 5/59:20 amSYD - STL
2 stops26h 45mAir Canada
Deal found 4/27$2,173
Mon 4/295:00 pmSTL - SYD
2 stops47h 20mAir Canada
Wed 5/89:20 amSYD - STL
2 stops25h 41mAir Canada
Deal found 4/27$2,179
Wed 5/110:09 amSTL - SYD
2 stops29h 01mJapan Airlines
Fri 5/38:15 amSYD - STL
2 stops29h 39mJapan Airlines
Deal found 4/27$2,190
Mon 4/294:52 pmSTL - SYD
2 stops24h 53mAir New Zealand
Wed 5/16:10 pmSYD - STL
2 stops61h 13mAir New Zealand
Deal found 4/25$2,249
Sun 4/285:00 pmSTL - SYD
2 stops47h 20mAir Canada
Sun 5/59:20 amSYD - STL
3 stops50h 45mAir Canada
Deal found 4/27$2,462
Mon 4/296:59 pmSTL - SYD
1 stop21h 06mQantas Airways
Wed 5/89:15 amSYD - STL
1 stop29h 02mQantas Airways
Deal found 4/26$2,538
Mon 4/296:59 pmSTL - SYD
1 stop21h 06mQantas Airways
Wed 5/89:15 amSYD - STL
1 stop29h 02mQantas Airways
Deal found 4/27$2,539

One-way flights to Sydney from St. Louis

Search for one-way flight options from St. Louis to Sydney. 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 2,991,349 searches. Data last updated April 27, 2024.
Users traveling one-way from St. Louis to Sydney can select one of these great deals. Users needing a return flight from St. Louis to Sydney should utilize the search form above.
Thu 9/265:30 pmSTL - SYD
2 stops48h 15mCathay Pacific
Deal found 4/27$1,009
Wed 10/911:09 amSTL - SYD
2 stops28h 46mUnited Airlines
Deal found 4/26$1,027
Thu 9/265:30 pmSTL - SYD
1 stop22h 35mQantas Airways
Deal found 4/27$1,030
Sat 9/285:30 pmSTL - SYD
2 stops45h 45mMultiple Airlines
Deal found 4/27$1,059
Fri 9/275:30 pmSTL - SYD
2 stops50h 20mCathay Pacific
Deal found 4/26$1,069
Fri 9/272:38 pmSTL - SYD
2 stops25h 27mAmerican Airlines
Deal found 4/27$1,090
Thu 10/106:05 pmSTL - SYD
1 stop21h 55mUnited Airlines
Deal found 4/27$1,092
Fri 9/2712:58 pmSTL - SYD
3 stops27h 47mMultiple Airlines
Deal found 4/26$1,222
Wed 10/95:30 pmSTL - SYD
1 stop21h 35mQantas Airways
Deal found 4/27$1,244

Find flights from St. Louis to Sydney within your budget

Customize your flight search to find flights from St. Louis to Sydney 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 2,991,349 searches. Data last updated April 27, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,364 - $1,940

Route

Depart

Return

Price

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Sun 8/18

2 stops35h 25m

Sydney Kingsford Smith

Sat 8/31

2 stops43h 03m

$1,364

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Sat 9/7

2 stops37h 20m

Sydney Kingsford Smith

Sat 9/14

2 stops28h 28m

$1,415

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Sat 9/7

3 stops28h 06m

Sydney Kingsford Smith

Sat 9/14

2 stops28h 28m

$1,515

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Sat 9/7

3 stops28h 06m

Sydney Kingsford Smith

Sat 9/14

3 stops27h 43m

$1,519

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Fri 5/24

1 stop22h 03m

Sydney Kingsford Smith

Fri 5/31

1 stop29h 02m

$1,564

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Fri 5/24

2 stops26h 05m

Sydney Kingsford Smith

Fri 5/31

2 stops25h 15m

$1,565

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Fri 5/24

1 stop22h 03m

Sydney Kingsford Smith

Fri 5/31

2 stops25h 15m

$1,567

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Sun 8/18

1 stop22h 35m

Sydney Kingsford Smith

Sat 8/31

1 stop19h 25m

$1,674

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Wed 8/14

2 stops30h 10m

Sydney Kingsford Smith

Sun 8/18

2 stops25h 41m

$1,940

Flights are sorted by cheapest first

Deals found on 4/26

When is the best time to book a flight from St. Louis to Sydney?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Sydney. Price data was last updated on January 28, 2024.
The best time to book flights from St. Louis to Sydney is 47 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from St. Louis to Sydney?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Sydney. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Sydney flight should consider departing on Monday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Sydney by month

Plan your trip from St. Louis to Sydney by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Sydney is currently $1,094 while a round-trip flight costs $1,569. Price data was last updated on April 21, 2024.

Currently, February is the cheapest month in which you can book a flight from St. Louis to Sydney (average of $1,116). Flying from St. Louis to Sydney in July is currently the most expensive (average of $1,431). 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.

January

$1,296

February

$1,116

March

$1,132

April

$1,360

May

$1,368

June

$1,395

July

$1,431

August

$1,325

September

$1,281

October

$1,214

November

$1,274

December

$1,400

Temperature and rainfall in Sydney by month

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

SYD

Temperature

51.8 - 71.6 °F

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated April 27, 2024.
Get a feel of what it's like to fly with Air Canada, Qantas Airways and American Airlines from St. Louis to Sydney 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.
Japan Airlines
8.3
Very good
1,485 reviews
Check prices

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.9

Overall

8.3

Crew

8.7

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

Japan Airlines
8.3
Very good
1,485 reviews
Japan Airlines
8.3
Very good
1,485 reviews
Check prices

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.9

Overall

8.3

Crew

8.7

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

Air New Zealand
8.3
Very good
647 reviews
Japan Airlines
8.3
Very good
1,485 reviews
Check prices

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.9

Overall

8.3

Crew

8.7

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

Cathay Pacific
7.8
Good
1,129 reviews
Japan Airlines
8.3
Very good
1,485 reviews
Check prices

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.9

Overall

8.3

Crew

8.7

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

Qantas Airways
7.7
Good
998 reviews
Japan Airlines
8.3
Very good
1,485 reviews
Check prices

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.9

Overall

8.3

Crew

8.7

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

LATAM Airlines
7.6
Good
2,487 reviews
Japan Airlines
8.3
Very good
1,485 reviews
Check prices

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.9

Overall

8.3

Crew

8.7

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Sydney. 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 St. Louis to Sydney for under $1,400 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Sydney for under $1,400. The cheapest flight booked recently is on Air New Zealand for just $1,364, but on average you can expect to pay $1,677.

  • Are there last-minute flights available from St. Louis to Sydney for under $2,000?

    There are currently 20+ open flights from St. Louis to Sydney within the next 7 days for less than $2,000.

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

    According to our current data, Air New Zealand ($1,364), American Airlines ($1,564), and Qantas Airways ($1,674) offers the cheapest pricing from St. Louis to Sydney. Air New Zealand is priced at 26% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with Cathay Pacific, which is currently one of the cheapest options available, starting at $1,009. United Airlines flights start at $1,027 while deals on Qantas Airways start at $1,030 one-way.

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

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

  • What does STL to SYD mean?

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

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

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

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

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

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

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

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

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

    Many airlines flying from St. Louis to Sydney 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 Sydney?

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

    The St. Louis to Sydney flight deals you see on this page were last updated on 4/27.

See more FAQs

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

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Top 6 airlines flying from St. Louis to Sydney

Discover the top 6 airlines that operate flights from St. Louis to Sydney. 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 2,991,349 searches. Data last updated April 27, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$986Average$1,364FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$1,013Average$1,535FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest$1,176Average$1,319FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest$1,214Average$1,583FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Qantas AirwaysCheapest$1,257Average$1,761FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$1,421Average$1,591FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
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