Cheap Flights from Sydney (SYD) to St. Louis (STL) from AU$1,042

Featured airlines

    Plan, book, fly with confidence
  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 35% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Sydney (SYD) to St. Louis (STL)

Prices were available within the past 7 days and start at AU$1,042 for one-way flights and AU$1,628 for round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon., 3 Jun. - Mon., 10 Jun.
SYD
Sydney
STL
St. Louis
AU$1,628 Return, found 16 hours ago
AU$1,628
Return
found 16 hours ago
Select American Airlines flight, departing Mon., 3 Jun. from Sydney to St. Louis, returning Mon., 10 Jun., priced at AU$1,628 found 16 hours ago
American Airlines
Tue., 30 Jul. - Mon., 12 Aug.
SYD
Sydney
STL
St. Louis
AU$1,637 Return, found 1 day ago
AU$1,637
Return
found 1 day ago
Select American Airlines flight, departing Tue., 30 Jul. from Sydney to St. Louis, returning Mon., 12 Aug., priced at AU$1,637 found 1 day ago
American Airlines
Tue., 30 Jul. - Sun., 11 Aug.
SYD
Sydney
STL
St. Louis
AU$1,647 Return, found 1 day ago
AU$1,647
Return
found 1 day ago
Select American Airlines flight, departing Tue., 30 Jul. from Sydney to St. Louis, returning Sun., 11 Aug., priced at AU$1,647 found 1 day ago
American Airlines
Wed., 5 Jun. - Sat., 22 Jun.
SYD
Sydney
STL
St. Louis
AU$1,678 Return, found 22 hours ago
AU$1,678
Return
found 22 hours ago
Select American Airlines flight, departing Wed., 5 Jun. from Sydney to St. Louis, returning Sat., 22 Jun., priced at AU$1,678 found 22 hours ago
American Airlines
Tue., 30 Jul. - Sat., 10 Aug.
SYD
Sydney
STL
St. Louis
AU$1,687 Return, found 1 day ago
AU$1,687
Return
found 1 day ago
Select American Airlines flight, departing Tue., 30 Jul. from Sydney to St. Louis, returning Sat., 10 Aug., priced at AU$1,687 found 1 day ago
American Airlines
Fri., 2 Aug. - Sun., 11 Aug.
SYD
Sydney
STL
St. Louis
AU$1,697 Return, found 1 day ago
AU$1,697
Return
found 1 day ago
Select American Airlines flight, departing Fri., 2 Aug. from Sydney to St. Louis, returning Sun., 11 Aug., priced at AU$1,697 found 1 day ago
American Airlines
Sun., 4 Aug. - Thu., 15 Aug.
SYD
Sydney
STL
St. Louis
AU$1,728 Return, found 1 day ago
AU$1,728
Return
found 1 day ago
Select American Airlines flight, departing Sun., 4 Aug. from Sydney to St. Louis, returning Thu., 15 Aug., priced at AU$1,728 found 1 day ago
American Airlines
Fri., 2 Aug. - Sat., 10 Aug.
SYD
Sydney
STL
St. Louis
AU$1,737 Return, found 1 day ago
AU$1,737
Return
found 1 day ago
Select American Airlines flight, departing Fri., 2 Aug. from Sydney to St. Louis, returning Sat., 10 Aug., priced at AU$1,737 found 1 day ago
Delta
Thu., 16 Jan. - Tue., 4 Feb.
SYD
Sydney
STL
St. Louis
AU$2,017 Return, found 5 days ago
AU$2,017
Return
found 5 days ago
Select Delta flight, departing Thu., 16 Jan. from Sydney to St. Louis, returning Tue., 4 Feb., priced at AU$2,017 found 5 days ago
Delta
Mon., 10 Feb. - Mon., 10 Mar.
SYD
Sydney
STL
St. Louis
AU$2,017 Return, found 6 days ago
AU$2,017
Return
found 6 days ago
Select Delta flight, departing Mon., 10 Feb. from Sydney to St. Louis, returning Mon., 10 Mar., priced at AU$2,017 found 6 days ago
Flight from Sydney to St. Louis route information
Origin airport
Kingsford Smith Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Air Canada, Air New Zealand, All Nippon Airways, American Airlines, Cathay Pacific, Delta, Japan Airlines, Qantas Airways, Qatar Airways, United
Return price
AU$1,628
Distance
14496 km

Your quick guide to flights from Sydney to St. Louis

Pick up great flights from Sydney to St. Louis

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Sydney to St. Louis. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Sydney to St. Louis that take around hours.

Find cheap flights from Sydney to St. Louis

From the great flight deals with prices currently ranging from AU$1,628 to AU$2,017, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Sydney to St. Louis around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to St. Louis is normally in June.

Reasons to book your flight from Sydney to St. Louis with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Sydney to St. Louis across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to St. Louis right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from Mascot Airport to St. Louis Lambert International Airport?
The lowest price advertised for a round-trip journey from Sydney Airport to Lambert Field is AU$1,628. But you better act quick. This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Kingsford Smith Intl. Airport (SYD) to St. Louis Lambert International Airport?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from Kingsford Smith Intl. Airport (SYD) to Lambert Field that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Sydney Airport to St. Louis Lambert International Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Mascot Airport to St. Louis Lambert International Airport?
Sydney to St. Louis is around 14 600 kilometres, so be prepared to spend quite a while in the air. Make sure you pack all the essentials, from your toothbrush to your hairbrush. Take some snacks to nibble on throughout your flight too.
Which airlines fly direct from Mascot Airport to St. Louis Lambert International Airport?
Flying nonstop between Kingsford Smith Intl. Airport (SYD) and Lambert Field isn’t possible at this time. However, you’ll still be able to find a flight to St. Louis with at least one stop.
Are Kingsford Smith Intl. Airport (SYD) to Lambert-St. Louis Intl. Airport (STL) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from SYD to St. Louis Lambert International Airport can be hit-or-miss. You may be able to find a bargain, but then again, you could miss out entirely! If you’d rather start planning ahead of time, Expedia compares flight deals up to a year in advance. Just remember that not all airlines issue their prices that far in advance. Our advice? Check back often as prices are updated frequently.
*Available to Expedia members.