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Cheap flight deals from St. Louis to Sydney Starting at PHP 36,116

For as little as PHP 36,116, you can take your next adventure to Sydney without breaking the bank. Choose between one-way and return tickets from St. Louis below.

  • One way
  • Round-trip
      • STL06:10
        31h 40m
        1 stop
        SYD06:50
        Tue, Mar 4|St. Louis - Sydney|American Airlines
        PHP 36,116PHP 57,379
        37% OFF
        37% OFF
        PHP 57,379PHP 36,116

        Choose American Airlines flights from St. Louis to Sydney. The one-way connecting flight with American Airlines departs from St. Louis Lambert International Airport on Tue, Mar 4, arriving at Kingsford Smith Airport. One-way Prices start from PHP 36,116 including taxes and charges.

      • STL06:10
        33h 55m
        1 stop
        SYD09:05
        Sat, Feb 15|St. Louis - Sydney|American Airlines
        PHP 38,926PHP 57,379
        32% OFF
        32% OFF
        PHP 57,379PHP 38,926

        Choose American Airlines flights from St. Louis to Sydney. The one-way connecting flight with American Airlines departs from St. Louis Lambert International Airport on Sat, Feb 15, arriving at Kingsford Smith Airport. One-way Prices start from PHP 38,926 including taxes and charges.

      • STL06:52
        33h 8m
        1 stop
        SYD07:00
        Mon, May 5|St. Louis - Sydney|American Airlines
        PHP 39,538PHP 57,379
        31% OFF
        31% OFF
        PHP 57,379PHP 39,538

        Choose American Airlines flights from St. Louis to Sydney. The one-way connecting flight with American Airlines departs from St. Louis Lambert International Airport on Mon, May 5, arriving at Kingsford Smith Airport. One-way Prices start from PHP 39,538 including taxes and charges.

      • STL15:50
        48h 30m
        1 stop
        SYD07:20
        Sat, Apr 26|St. Louis - Sydney|Air Canada
        PHP 42,913
        PHP 42,913

        Choose Air Canada flights from St. Louis to Sydney. The one-way connecting flight with Air Canada departs from St. Louis Lambert International Airport on Sat, Apr 26, arriving at Kingsford Smith Airport. One-way Prices start from PHP 42,913 including taxes and charges.

      • STL15:50
        48h 30m
        1 stop
        SYD07:20
        Sun, Apr 27|St. Louis - Sydney|Air Canada
        PHP 45,292
        PHP 45,292

        Choose Air Canada flights from St. Louis to Sydney. The one-way connecting flight with Air Canada departs from St. Louis Lambert International Airport on Sun, Apr 27, arriving at Kingsford Smith Airport. One-way Prices start from PHP 45,292 including taxes and charges.

      • STL06:15
        33h 20m
        1 stop
        SYD08:35
        Sat, Mar 8|St. Louis - Sydney|American Airlines
        PHP 46,112
        PHP 46,112

        Choose American Airlines flights from St. Louis to Sydney. The one-way connecting flight with American Airlines departs from St. Louis Lambert International Airport on Sat, Mar 8, arriving at Kingsford Smith Airport. One-way Prices start from PHP 46,112 including taxes and charges.

      • STL17:50
        22h 5m
        1 stop
        SYD06:55
        Sun, Apr 27|St. Louis - Sydney|United Airlines
        PHP 46,248
        PHP 46,248

        Choose United Airlines flights from St. Louis to Sydney. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Sun, Apr 27, arriving at Kingsford Smith Airport. One-way Prices start from PHP 46,248 including taxes and charges.

      • STL06:10
        33h 55m
        1 stop
        SYD09:05
        Fri, Feb 28|St. Louis - Sydney|Alaska Airlines
        PHP 47,457
        PHP 47,457

        Choose Alaska Airlines flights from St. Louis to Sydney. The one-way connecting flight with Alaska Airlines departs from St. Louis Lambert International Airport on Fri, Feb 28, arriving at Kingsford Smith Airport. One-way Prices start from PHP 47,457 including taxes and charges.

      • STL06:15
        33h 50m
        1 stop
        SYD07:05
        Thu, Apr 24|St. Louis - Sydney|American Airlines
        PHP 47,529
        PHP 47,529

        Choose American Airlines flights from St. Louis to Sydney. The one-way connecting flight with American Airlines departs from St. Louis Lambert International Airport on Thu, Apr 24, arriving at Kingsford Smith Airport. One-way Prices start from PHP 47,529 including taxes and charges.

      • STL15:50
        48h 30m
        1 stop
        SYD07:20
        Thu, Apr 10|St. Louis - Sydney|Air Canada
        PHP 47,561
        PHP 47,561

        Choose Air Canada flights from St. Louis to Sydney. The one-way connecting flight with Air Canada departs from St. Louis Lambert International Airport on Thu, Apr 10, arriving at Kingsford Smith Airport. One-way Prices start from PHP 47,561 including taxes and charges.

      • STL01:00 pm
        3h 5m
        Nonstop
        SYD02:00 pm
        Thu, Feb 20|St. Louis - Sydney|American Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

St. Louis to Sydney flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL1571

    Delta Air Lines

    10:10

    STL

    1.6h

    12:46

    ATL

    SMTWTFS
    Search

  2. QF4483

    Qantas Airways

    17:52

    ATL

    4.9h

    19:47

    LAX

    SMTWTFS

  3. QF4112

    Qantas Airways

    22:55

    LAX

    15.2h

    07:05

    SYD

    SMTWTFS

  4. UA4383

    United Airlines

    11:45

    STL

    1.4h

    13:12

    ORD

    SMTWTFS
    Search

  5. QF4557

    Qantas Airways

    15:24

    ORD

    4.5h

    17:57

    LAX

    SMTWTFS

  6. QF012

    Qantas Airways

    22:30

    LAX

    15.1h

    06:35

    SYD

    SMTWTFS

  7. AA4595

    American Airlines

    11:55

    STL

    1.4h

    13:17

    ORD

    SMTWTFS
    Search

  8. AA529

    American Airlines

    15:17

    ORD

    4.6h

    17:54

    LAX

    SMTWTFS

  9. QF4112

    Qantas Airways

    22:55

    LAX

    15.2h

    07:05

    SYD

    SMTWTFS

  10. AA4595

    American Airlines

    11:55

    STL

    1.4h

    13:17

    ORD

    SMTWTFS
    Search

  11. AA529

    American Airlines

    15:17

    ORD

    4.6h

    17:54

    LAX

    SMTWTFS

  12. AA7387

    American Airlines

    22:30

    LAX

    15.1h

    06:35

    SYD

    SMTWTFS

  13. UA4566

    United Airlines

    13:03

    STL

    1.5h

    14:35

    ORD

    SMTWTFS
    Search

  14. AA2364

    American Airlines

    17:40

    ORD

    4.6h

    20:18

    LAX

    SMTWTFS

  15. AA073

    American Airlines

    22:35

    LAX

    15.4h

    09:00

    SYD

    SMTWTFS

  16. UA4566

    United Airlines

    13:03

    STL

    1.5h

    14:35

    ORD

    SMTWTFS
    Search

  17. QF3102

    Qantas Airways

    17:38

    ORD

    4.5h

    20:11

    LAX

    SMTWTFS

  18. QF4112

    Qantas Airways

    22:55

    LAX

    15.2h

    07:05

    SYD

    SMTWTFS

  19. UA2625

    United Airlines

    13:41

    STL

    2.5h

    15:10

    DEN

    SMTWTFS
    Search

  20. AS6319

    Alaska Airlines

    16:30

    DEN

    2.6h

    18:06

    LAX

    SMTWTFS

  21. AS6973

    Alaska Airlines

    22:55

    LAX

    15.2h

    07:05

    SYD

    SMTWTFS

  22. AA3855

    American Airlines

    15:43

    STL

    2.1h

    17:49

    DFW

    SMTWTFS
    Search

  23. FJ891

    Fiji Airways

    23:10

    DFW

    13.2h

    05:20

    NAN

    -M-W-F-

  24. FJ911

    Fiji Airways

    09:00

    NAN

    4.8h

    11:45

    SYD

    SMTWTFS

  25. AA2487

    American Airlines

    17:37

    STL

    2.2h

    19:48

    DFW

    SMTWTFS
    Search

  26. FJ891

    Fiji Airways

    23:10

    DFW

    13.2h

    05:20

    NAN

    -M-W-F-

  27. FJ911

    Fiji Airways

    09:00

    NAN

    4.8h

    11:45

    SYD

    SMTWTFS

  28. FJ5087

    Fiji Airways

    19:05

    STL

    2.0h

    21:06

    DFW

    -M-W-F-
    Search

  29. FJ891

    Fiji Airways

    23:10

    DFW

    13.2h

    05:20

    NAN

    -M-W-F-

  30. FJ911

    Fiji Airways

    09:00

    NAN

    4.8h

    11:45

    SYD

    SMTWTFS
Find more flights and airlines

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

These price trend charts carefully monitor and predict how flight prices from St. Louis to Sydney will change. Keep a close eye on them to understand when the best time to buy your tickets is.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from St. Louis (STL) to Sydney (SYD) the cheapest?

    Airlines adjust prices for flights from St. Louis to Sydney based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from St. Louis (STL) to Sydney (SYD) cost?

    According to Trip.com's data, the lowest price is around PHP 122,085.

  • What is the transportation method from the main airport to downtown in Sydney?

    • The distance from Kingsford Smith Airport to downtown is about 8 km, by taxi about 20 minutes.

  • How many airports are there in Sydney (SYD)?

    There are 1 airport(s) near Sydney (SYD): Kingsford Smith Airport.

How to find a cheap flight from St. Louis to Sydney

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | St. Louis to Sydney

Cheapest direct flight pricePHP 36,116
Off-season for travelFebruary
Peak season for travelNovember
Flight distance14,593.19 km
Popular airlineAmerican Airlines

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