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Cheap flights from Sydney to St. Louis from $1,920

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/8. 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.
SYD — STL
2 Apr — 9 Apr1
1 adult
Tue 2/4
Tue 9/4

Find deals on flights from Sydney to St. Louis by searching across hundreds of travel sites at once

 
Cheapflights users frequently choose these airlines when searching for flights from Sydney to St. Louis, based on our search results.
Cheapflights users frequently choose these airlines when searching for flights from Sydney to St. Louis, based on our search results.
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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 28 March 2024.

Popular in

December

Cheapest in

September

Average price

$2,565

Round-trip from

$1,896
High demand for flights, 39% potential price rise
Best time to find cheap flights, 21% potential price drop
Average for round-trip flights in March 2024
From Sydney Kingsford Smith to Lambert-St Louis

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

It’s generally more expensive to depart on a Tuesday, 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 Sydney to St. Louis?

Travellers have found it’s best to book a flight 25 days in advance to save up to 64% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 25 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Sydney to St. Louis 1-2 weeks in advance for as low as $2,228, or $3,736 for flights within the next 24 hours.

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

September can be a great time to fly to St. Louis from Sydney with a flight ticket averaging about $2,922. Cheapflights users have found deals in the month of September for as cheap as $1,520. The most expensive prices can be found in the month of December.

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

It’s typically best to fly out from Sydney to St. Louis at midday. Doing so could potentially save you 21% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap Qantas Airways flights from Sydney to St. Louis

Explore cheap flight options specifically provided by Qantas Airways for the route between Sydney and St. Louis. 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 654,902 searches. Data last updated 28 March 2024.
Tue 16/420:35SYD - STL
1 stop41h 19mQantas Airways
Tue 23/418:59STL - SYD
1 stop22h 11mQantas Airways
Deal found 27/3$2,309
Thu 22/809:10SYD - STL
1 stop21h 30mQantas Airways
Mon 18/1118:02STL - SYD
1 stop20h 28mQantas Airways
Deal found 26/3$2,611
Thu 22/809:10SYD - STL
1 stop21h 30mQantas Airways
Mon 18/1118:02STL - SYD
2 stops23h 48mQantas Airways
Deal found 26/3$2,636

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

Find cheap flight options from Sydney to St. Louis specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 654,902 searches. Prices were last updated on 28 March 2024.
Tue 16/409:25SYD - STL
2 stops22h 25mDelta
Tue 23/407:15STL - SYD
2 stops32h 20mDelta
Deal found 27/3$2,023
Tue 16/420:35SYD - STL
1 stop41h 19mQantas Airways
Tue 23/418:59STL - SYD
1 stop22h 11mQantas Airways
Deal found 27/3$2,309
Tue 16/409:15SYD - STL
2 stops23h 47mAmerican Airlines
Tue 23/418:59STL - SYD
1 stop21h 06mAmerican Airlines
Deal found 27/3$2,337
Tue 16/417:45SYD - STL
3 stops30h 54mMultiple Airlines
Tue 23/414:53STL - SYD
2 stops24h 12mMultiple Airlines
Deal found 27/3$3,241
Tue 16/418:00SYD - STL
3 stops30h 39mMultiple Airlines
Tue 23/418:59STL - SYD
3 stops28h 56mMultiple Airlines
Deal found 27/3$3,831

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 654,902 searches. Data last updated 28 March 2024.
Thu 22/809:55SYD - STL
2 stops27h 18mAir New Zealand
Mon 18/1108:50STL - SYD
2 stops30h 55mAir New Zealand
Deal found 26/3$1,920
Thu 22/808:45SYD - STL
3 stops27h 43mMultiple Airlines
Mon 18/1116:17STL - SYD
2 stops23h 28mMultiple Airlines
Deal found 26/3$1,960
Tue 16/409:25SYD - STL
2 stops22h 25mDelta
Tue 23/407:15STL - SYD
2 stops32h 20mDelta
Deal found 27/3$2,023
Thu 22/808:45SYD - STL
3 stops27h 43mMultiple Airlines
Mon 18/1113:30STL - SYD
3 stops26h 15mMultiple Airlines
Deal found 26/3$2,110
Tue 29/1009:15SYD - STL
2 stops53h 45mJapan Airlines
Sat 2/1118:24STL - SYD
2 stops43h 56mJapan Airlines
Deal found 26/3$2,148
Tue 16/420:35SYD - STL
1 stop41h 19mQantas Airways
Tue 23/418:59STL - SYD
1 stop22h 11mQantas Airways
Deal found 27/3$2,309
Tue 16/409:15SYD - STL
2 stops23h 47mAmerican Airlines
Tue 23/418:59STL - SYD
1 stop21h 06mAmerican Airlines
Deal found 27/3$2,337
Thu 22/809:10SYD - STL
1 stop21h 30mQantas Airways
Mon 18/1118:02STL - SYD
1 stop20h 28mQantas Airways
Deal found 26/3$2,611
Thu 22/809:10SYD - STL
1 stop21h 30mQantas Airways
Mon 18/1118:02STL - SYD
2 stops23h 48mQantas Airways
Deal found 26/3$2,636

Find flights from Sydney to St. Louis within your budget

Customise 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 654,902 searches. Data last updated 28 March 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,920 - $3,241

Route

Depart

Return

Price

Sydney Kingsford SmithLambert-St Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 22/8

2 stops27h 18m

Lambert-St Louis

Mon 18/11

2 stops30h 55m

$1,920

Sydney Kingsford SmithLambert-St Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 22/8

3 stops27h 43m

Lambert-St Louis

Mon 18/11

2 stops23h 28m

$1,960

Sydney Kingsford SmithLambert-St Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Tue 16/4

2 stops22h 25m

Lambert-St Louis

Tue 23/4

2 stops32h 20m

$2,023

Sydney Kingsford SmithLambert-St Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 22/8

3 stops27h 43m

Lambert-St Louis

Mon 18/11

3 stops26h 15m

$2,110

Sydney Kingsford SmithLambert-St Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Tue 16/4

1 stop41h 19m

Lambert-St Louis

Tue 23/4

1 stop22h 11m

$2,309

Sydney Kingsford SmithLambert-St Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Tue 16/4

2 stops23h 47m

Lambert-St Louis

Tue 23/4

1 stop21h 06m

$2,337

Sydney Kingsford SmithLambert-St Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 22/8

1 stop21h 30m

Lambert-St Louis

Mon 18/11

1 stop20h 28m

$2,611

Sydney Kingsford SmithLambert-St Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 22/8

1 stop21h 30m

Lambert-St Louis

Mon 18/11

2 stops23h 48m

$2,636

Sydney Kingsford SmithLambert-St Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Tue 16/4

3 stops30h 54m

Lambert-St Louis

Tue 23/4

2 stops24h 12m

$3,241

Flights are sorted by cheapest first

Deals found on 26/3

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

Use this chart to determine the optimal time to book a return flight from Sydney to St. Louis. Price data was last updated on 28 January 2024.
The best time to book flights from Sydney to St. Louis is 24 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 Sydney to St. Louis?

Use this chart to determine the cheapest time to fly return from Sydney to St. Louis. Price data was last updated on 24 March 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Sydney to St. Louis flight should consider departing on Tuesday mornings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to St. Louis by month

Plan your trip from Sydney to St. Louis by taking into account the cheapest months to travel. The average price of a one-way flight from Sydney to St. Louis is currently $0 while a return flight costs $2,350. Price data was last updated on 24 March 2024.

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

0 - 27 °C

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 28 March 2024.
8.3
Very Good
685 reviews

Boarding

8.4

Food

7.6

Overall

8.3

Crew

8.8

Entertainment

7.9

Comfort

8.1

Reviews

1 / 10

Everything went rather smoothly, I have no complaints or negative comments. Thanks for getting me where I needed to be.

8.3
Very Good
685 reviews
8.3
Very Good
685 reviews

Boarding

8.4

Food

7.6

Overall

8.3

Crew

8.8

Entertainment

7.9

Comfort

8.1

Reviews

1 / 10

Everything went rather smoothly, I have no complaints or negative comments. Thanks for getting me where I needed to be.

8.1
Very Good
11,418 reviews
8.3
Very Good
685 reviews

Boarding

8.4

Food

7.6

Overall

8.3

Crew

8.8

Entertainment

7.9

Comfort

8.1

Reviews

1 / 10

Everything went rather smoothly, I have no complaints or negative comments. Thanks for getting me where I needed to be.

7.7
Good
1,060 reviews
8.3
Very Good
685 reviews

Boarding

8.4

Food

7.6

Overall

8.3

Crew

8.8

Entertainment

7.9

Comfort

8.1

Reviews

1 / 10

Everything went rather smoothly, I have no complaints or negative comments. Thanks for getting me where I needed to be.

7.3
Good
15,202 reviews
8.3
Very Good
685 reviews

Boarding

8.4

Food

7.6

Overall

8.3

Crew

8.8

Entertainment

7.9

Comfort

8.1

Reviews

1 / 10

Everything went rather smoothly, I have no complaints or negative comments. Thanks for getting me where I needed to be.

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 $2,000 on Cheapflights?

    Yes, there are multiple flights from Sydney to St. Louis for under $2,000. The cheapest flight booked recently is on Air New Zealand for just $1,920, but on average you can expect to pay $2,498.

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

    Flying on Air New Zealand is currently your cheapest option to St. Louis, with prices starting at $1,920. Additional round-trip tickets that might be worth considering are offered by Delta and Qantas Airways, with the lowest prices starting at $2,023 and $2,309, respectively. Users have found that Air New Zealand is 34% cheaper than the other options available to this destination.

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

  • What does SYD to STL mean?

    Great question - SYD to STL just means Sydney Kingsford Smith Airport to Lambert-St Louis Airport. Now you’ll know what these unique codes when you look for flights!

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

    The amount of baggage you can bring 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 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 see available direct flights.

  • 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 do 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.

  • 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 27/3.

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 5 airlines flying from Sydney to St. Louis

Discover the top 5 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 654,902 searches. Data last updated 28 March 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,635Average$2,096FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$1,671Average$1,878FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,758Average$2,642FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$1,807Average$2,847FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$2,086Average$2,635FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights

Search flights from Sydney to St. Louis by cabin class

Find flights from Sydney to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.

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 Sydney to St. Louis?

When you search for this flight from Sydney to 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 flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from Sydney to St. Louis by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes! Cheapflights helps users easily find flights from Sydney to St. Louis with no change fees.

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

Not ready to book yet? You can track prices for flights from Sydney to St. Louis on Cheapflights with our Price Alert feature and get notified when better prices are available.

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 can I compare prices from different travel booking sites for flights from Sydney to St. Louis?

Cheapflights aggregates prices from various travel booking sites. This allows you to compare prices and choose the best deal.

Can I find deals for flights from Sydney to St. Louis that offer flexible cancellation policies?

Cancellation policies vary by airline and fare type. After entering your flight details, you can view the cancellation policies for each deal in the search results. Some deals may offer flexibility in terms of cancellation and changes.