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Cheap Flights from St Louis to Sydney, AU, Australia - STL to SYD

Popular flights from St Louis to Sydney

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Alaska Airlines
Departure Date Return Date Lowest Price
Jun 16, 2016 Jun 20, 2016 $1,535
American Airlines
Departure Date Return Date Lowest Price
Sep 2, 2016 Sep 17, 2016 $1,242
Qantas Airways
Departure Date Return Date Lowest Price
Sep 2, 2016 Sep 17, 2016 $1,482
United Airlines
Departure Date Return Date Lowest Price
Jul 3, 2016 Jul 17, 2016 $1,454
Virgin Australia
Departure Date Return Date Lowest Price
Jun 16, 2016 Jun 20, 2016 $1,451

How Much Does it Cost to Fly from St Louis to Sydney (STL to SYD)?

We have collected flight cost data from across the web for travel from St Louis to Sydney, and have found the average flight price for this trip to be $1,532.

When Can I Buy the Cheapest Flight from St Louis to Sydney (STL to SYD)?

Airlines can adjust prices for plane tickets from St Louis to Sydney based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Cheapest Day To Fly from St Louis to Sydney

The chart below shows up-to-date information regarding the cheapest days to fly from St Louis to Sydney.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$1,459 $1,469 $1,469 $1,451 $1,458 $1,958 $1,454

Lowest Fares Chart By Month from St Louis to Sydney

The chart below shows the lowest fare by month when flying from St Louis to Sydney.

Month Origin Destination Carrier Depart Date Return Date Stops Price
May St Louis Sydney Virgin Australia 5/20/16 5/27/16 2 $1,458
June St Louis Sydney Virgin Australia 6/16/16 6/20/16 2 $1,451
July St Louis Sydney American 7/3/16 7/17/16 1 $1,454
August St Louis Sydney American 8/6/16 8/17/16 1 $1,470
September St Louis Sydney American 9/2/16 9/17/16 2 $1,242
October St Louis Sydney American 10/14/16 10/29/16 1 $1,469
November St Louis Sydney American 11/12/16 11/26/16 1 $1,469
December St Louis Sydney American 12/26/16 1/14/17 1 $2,249

Round Trip vs One Way Flights from St Louis to Sydney (STL to SYD)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from St Louis to Sydney. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from St Louis to Sydney is $867.

The average price for round trip flights from St Louis to Sydney is $1,658.

St Louis to Sydney Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from St Louis to Sydney?
Answer: Los Angeles, CA

Airlines Flying from St Louis to Sydney (STL to SYD)

Below are the different airlines that fly from St Louis to Sydney with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from St Louis to Sydney.

St Louis to Sydney
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American LAX X X X X X X X
American PHX / LAX X X X X X X X
Air Canada YYZ / YVR X X X X X X X
Delta SLC / LAX X X X X X X X
United SFO X X X X X X X
United ORD / LAX X X X X X X X

Airports for Your Route

These pages contain information about the major airports in St Louis and Sydney, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from St Louis - STL

FlightsAirlineLowest Price
St Louis to Chicago American, Alaska, United $204
St Louis to Dallas - Ft Worth American, Alaska, United $189
St Louis to Atlanta American, Alaska, Frontier, United $88
St Louis to Los Angeles American, Alaska, Frontier, United $261
St Louis to New York American, Alaska, United $245
St Louis to Las Vegas American, Alaska, Frontier, United $122
St Louis to Phoenix American, Alaska, Frontier, United $261
St Louis to Denver American, Alaska, Frontier, United $108
St Louis to San Francisco American, Alaska, Frontier, United $244
St Louis to Seattle American, Alaska, Frontier, United $273
St Louis to Houston American, Alaska, United $263
St Louis to Miami American, Alaska, United $259
St Louis to Orlando American, Alaska, JetBlue, Frontier, United $128

Cheap International Flights from St Louis - STL

FlightsAirlineLowest Price
St Louis to Melbourne American, Alaska, Qantas, United, Virgin Australia $1,683
St Louis to Brisbane American, Alaska, Hawaiian, Qantas, United, Virgin Australia $1,480
St Louis to Gold Coast American, Qantas, United, Virgin Australia $1,936
St Louis to Auckland American, Alaska, Hawaiian, Air New Zealand, United $1,201
St Louis to Manila American, Alaska, Philippine, United $1,301
St Louis to Adelaide American, Alaska, Qantas, United, Virgin Australia $1,989
St Louis to Bangkok American, Alaska, Bangkok, Thai, United $1,361
St Louis to Christchurch American, Alaska, Air New Zealand, United $2,335
St Louis to Beijing American, Alaska, Air China, China Southern, Hainan, China Eastern, United $719
St Louis to Tokyo American, Alaska, Hawaiian, JAL, All Nippon, United $1,203
St Louis to Cairns American, Alaska, Qantas, United, Virgin Australia Check Dates
St Louis to Seoul American, Alaska, Hawaiian, Korean, Asiana, United $1,374

Cheap International Flights to Sydney - SYD

FlightsAirlineLowest Price
Springfield to Sydney American, Hawaiian, Qantas, United, Virgin Australia $1,454
Moline to Sydney American, Alaska, Hawaiian, Qantas, United, Virgin Australia $1,483
Peoria to Sydney American, Hawaiian, Qantas, United, Virgin Australia $1,911
Springfield to Melbourne American, Qantas, United $1,474
Springfield to Brisbane American, Hawaiian, Qantas, United, Virgin Australia Check Dates
Cheap Flights from St Louis to Sydney, AU, Australia, from $1,242 Round trip from STL to SYD