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Cheap flights from Sydney to St. Louis from $1,687

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to St. Louis departing on 2/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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Easily compare return flights from Sydney to St. Louis

Below you can see the best fares for your return flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Sydney to St. Louis by changing tabs
American Airlines
2 June
SYD09:15Sydney Kingsford Smith
29h 02m
1 stop
STL23:17Lambert-St Louis
10 June
STL06:29Lambert-St Louis
33h 36m
1 stop
SYD07:05Sydney Kingsford Smith
Air Canada
21 July
SYD09:20Sydney Kingsford Smith
45h 01m
2 stops
STL15:21Lambert-St Louis
31 July
STL12:00Lambert-St Louis
52h 20m
3 stops
SYD07:20Sydney Kingsford Smith
American Airlines
2 June
SYD09:15Sydney Kingsford Smith
29h 02m
1 stop
STL23:17Lambert-St Louis
10 June
STL15:27Lambert-St Louis
24h 38m
2 stops
SYD07:05Sydney Kingsford Smith
American Airlines
21 July
SYD09:15Sydney Kingsford Smith
28h 52m
1 stop
STL23:07Lambert-St Louis
31 July
STL06:29Lambert-St Louis
34h 41m
1 stop
SYD08:10Sydney Kingsford Smith
Japan Airlines
20 May
SYD08:15Sydney Kingsford Smith
30h 02m
2 stops
STL23:17Lambert-St Louis
20 Aug
STL09:56Lambert-St Louis
29h 14m
2 stops
SYD06:10Sydney Kingsford Smith
American Airlines
21 July
SYD09:15Sydney Kingsford Smith
28h 52m
1 stop
STL23:07Lambert-St Louis
31 July
STL14:55Lambert-St Louis
26h 15m
2 stops
SYD08:10Sydney Kingsford Smith

Best airlines flying from Sydney to St. Louis

Compare and see reviews for airlines that fly from Sydney to St. Louis with momondo
Airline
Rating
Free cancellation
Price
American AirlinesPriceFrom $1,498Free cancellationRating
7.3
14,963 reviews
Search American Airlines flights
Air CanadaPriceFrom $1,694Free cancellationRating
7.0
6,836 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,775Free cancellationRating
7.4
11,341 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,832Free cancellationRating
7.7
1,018 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $2,115Free cancellationRating
8.2
668 reviews
Search Air New Zealand flights

American Airlines flights from Sydney to St. Louis

Our best American Airlines deals on Sydney to St. Louis flight tickets
American Airlines
2 June
SYD09:15Sydney Kingsford Smith
29h 02m
1 stop
STL23:17Lambert-St Louis
10 June
STL06:29Lambert-St Louis
33h 36m
1 stop
SYD07:05Sydney Kingsford Smith
American Airlines
2 June
SYD09:15Sydney Kingsford Smith
29h 02m
1 stop
STL23:17Lambert-St Louis
10 June
STL15:27Lambert-St Louis
24h 38m
2 stops
SYD07:05Sydney Kingsford Smith
American Airlines
21 July
SYD09:15Sydney Kingsford Smith
28h 52m
1 stop
STL23:07Lambert-St Louis
31 July
STL06:29Lambert-St Louis
34h 41m
1 stop
SYD08:10Sydney Kingsford Smith

Air Canada flights from Sydney to St. Louis

Our best Air Canada deals on Sydney to St. Louis flight tickets
Air Canada
21 July
SYD09:20Sydney Kingsford Smith
45h 01m
2 stops
STL15:21Lambert-St Louis
31 July
STL12:00Lambert-St Louis
52h 20m
3 stops
SYD07:20Sydney Kingsford Smith
Air Canada
21 July
SYD09:20Sydney Kingsford Smith
50h 45m
3 stops
STL21:05Lambert-St Louis
31 July
STL12:00Lambert-St Louis
52h 20m
3 stops
SYD07:20Sydney Kingsford Smith
Air Canada
2 June
SYD09:20Sydney Kingsford Smith
50h 45m
3 stops
STL21:05Lambert-St Louis
10 June
STL11:00Lambert-St Louis
29h 20m
2 stops
SYD07:20Sydney Kingsford Smith

How to get the cheapest flight ticket from Sydney to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

September. The cheapest time of year to fly to St. Louis from Sydney is September. The most expensive is December.

What is the cheapest day to depart Sydney for St. Louis?

Wednesday. The cheapest day of the week is usually Wednesday. The most expensive is usually Thursday.

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

At midday. Sydney to St. Louis flights are approximately 10% more expensive in the afternoon than at midday

What is the cheapest airline that flies to St. Louis from Sydney?

Air Canada. Air Canada, Air New Zealand, and American Airlines are the most popular carriers operating from Sydney to St. Louis

What is the cheapest Sydney to St. Louis flight route?

Sydney Kingsford Smith - Lambert-St Louis. Fly from Sydney Kingsford Smith to Lambert-St Louis for the best Sydney - St. Louis flight prices

How far in advance should you book Sydney to St. Louis flights?

24 days before. The cheapest time to buy a flight from Sydney to St. Louis is approximately 24 days to departure

Cheap Sydney to St. Louis (SYD to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sydney to St. Louis

Best price found

$1,687

Fastest flight time

18h 38m

Direct flights

None

Airports in St. Louis

1 airport
The best flight deal from Sydney to St. Louis found on momondo in the last 72 hours is $1,687
The fastest flight from Sydney to St. Louis takes 18h 38m
There are no direct flights from Sydney to St. Louis. Popular non-direct route for this connection is Sydney Kingsford Smith Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • How far is Sydney Kingsford Smith to Lambert-St Louis by plane?

    Sydney Kingsford Smith and Lambert-St Louis are 14576.1 km apart from one another. By plane, this route typically takes 18h 38m.

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Lambert-St Louis Airport?

    Prices for flights from Sydney Kingsford Smith Airport to Lambert-St Louis Airport refresh daily.

  • How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Sydney Kingsford Smith Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Why use momondo?

Why should I use momondo to find a flight deal from Sydney to St. Louis?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Sydney.

Can I find flights from Sydney to St. Louis with flexible booking policies on momondo?

Flights from Sydney to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Sydney to St. Louis?

Once you have performed a search for Sydney to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Sydney to St. Louis right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. Louis from Sydney. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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1 adult
From?
To?
Wed 24/4
Wed 1/5
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