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Cheap flights from Missouri to Sydney from $819

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Sydney departing on 6/8. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Missouri to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
2:15 pm - 12:09 am
STL
-
YQY
7h 54m
1 stop
Air Canada Logo
5:00 am - 12:06 pm
YQY
-
STL
9h 06m
1 stop
$819Air Canada
Mon, Jun 8 - Fri, Jun 12
Air Canada Logo
2:15 pm - 12:09 am
STL
-
YQY
7h 54m
1 stop
Air Canada Logo
5:20 pm - 12:06 pm
YQY
-
STL
20h 46m
2 stops
$828Air Canada
Mon, Jun 8 - Fri, Jun 12
Air Canada Logo
2:15 pm - 12:14 am
STL
-
YQY
7h 59m
1 stop
Air Canada Logo
5:20 pm - 8:09 pm
YQY
-
STL
28h 49m
2 stops
$832Air Canada
Tue, May 5 - Sat, May 9
Air Canada Logo
2:15 pm - 4:14 pm
STL
-
YQY
23h 59m
2 stops
Air Canada Logo
5:20 pm - 12:06 pm
YQY
-
STL
20h 46m
2 stops
$885Air Canada
Tue, May 5 - Sat, May 9
Air Canada Logo
7:09 pm - 4:14 pm
STL
-
YQY
19h 05m
2 stops
Air Canada Logo
5:20 pm - 10:48 am
YQY
-
STL
19h 28m
2 stops
$889Air Canada
Tue, May 5 - Sat, May 9
Air Canada Logo
2:15 pm - 12:14 am
STL
-
YQY
7h 59m
1 stop
Air Canada Logo
5:20 pm - 12:06 pm
YQY
-
STL
20h 46m
2 stops
$898Air Canada
Tue, May 5 - Sat, May 9
Air Canada Logo
2:15 pm - 12:14 am
STL
-
YQY
7h 59m
1 stop
Air Canada Logo
5:00 am - 12:06 pm
YQY
-
STL
9h 06m
1 stop
$959Air Canada
Tue, May 5 - Sat, May 9
Air Canada Logo
2:15 pm - 12:14 am
STL
-
YQY
7h 59m
1 stop
Air Canada Logo
5:00 am - 12:06 pm
YQY
-
STL
9h 06m
1 stop
$961Air Canada
Tue, May 5 - Sat, May 9

Air Canada flights from Missouri to Sydney, Nova Scotia

Our best Air Canada deals on Missouri to Sydney, Nova Scotia flight tickets
Air Canada
Jun 8
STL2:15 pmLambert-St Louis
7h 54m
1 stop
YQY12:09 amSydney
Jun 12
YQY5:00 amSydney
9h 06m
1 stop
STL12:06 pmLambert-St Louis
$819
Air Canada
Jun 8
STL2:15 pmLambert-St Louis
7h 54m
1 stop
YQY12:09 amSydney
Jun 12
YQY5:20 pmSydney
20h 46m
2 stops
STL12:06 pmLambert-St Louis
$828
Air Canada
May 5
STL2:15 pmLambert-St Louis
7h 59m
1 stop
YQY12:14 amSydney
May 9
YQY5:20 pmSydney
28h 49m
2 stops
STL8:09 pmLambert-St Louis
$832

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to Sydney, Nova Scotia 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, momondo users made 832,500 searches. Data last updated April 11, 2026.
Use the filters below to find and compare flights from Missouri to Sydney, Nova Scotia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Mon 6/8

2:15 pm-12:09 am

1 stop7h 54m

Sydney

Fri 6/12

5:00 am-12:06 pm

1 stop9h 06m

$819

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Mon 6/8

2:15 pm-12:09 am

1 stop7h 54m

Sydney

Fri 6/12

5:20 pm-12:06 pm

2 stops20h 46m

$828

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Tue 5/5

2:15 pm-12:14 am

1 stop7h 59m

Sydney

Sat 5/9

5:20 pm-8:09 pm

2 stops28h 49m

$832

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Tue 5/5

2:15 pm-4:14 pm

2 stops23h 59m

Sydney

Sat 5/9

5:20 pm-12:06 pm

2 stops20h 46m

$885

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Tue 5/5

7:09 pm-4:14 pm

2 stops19h 05m

Sydney

Sat 5/9

5:20 pm-10:48 am

2 stops19h 28m

$889

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Tue 5/5

2:15 pm-12:14 am

1 stop7h 59m

Sydney

Sat 5/9

5:20 pm-12:06 pm

2 stops20h 46m

$898

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Tue 5/5

2:15 pm-12:14 am

1 stop7h 59m

Sydney

Sat 5/9

5:00 am-12:06 pm

1 stop9h 06m

$959

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Tue 5/5

2:15 pm-12:14 am

1 stop7h 59m

Sydney

Sat 5/9

5:00 am-12:06 pm

1 stop9h 06m

$961

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Missouri to Sydney, Nova Scotia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Sydney, Nova Scotia

Fastest flight time

7h 54m

Direct flights

None
The fastest flight from Missouri to Sydney, Nova Scotia takes 7h 54m
There are no direct flights from Missouri to Sydney, Nova Scotia. There are no popular flight routes from Missouri to Sydney, Nova Scotia.
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Frequently asked questions about flying from Missouri to Sydney, Nova Scotia

  • When did momondo last update prices for flights from Missouri to Sydney Airport?

    Prices for flights from Missouri to Sydney Airport refresh daily.

  • How old do you have to be to fly from Missouri to Sydney Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Sydney Airport.

  • What documentation or ID do you need to fly to Sydney Airport?

    The travel and health documents required for your trip to Sydney Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Missouri to Sydney, Nova Scotia

  • How do I get Price Alerts for flights from Missouri to Sydney, Nova Scotia?

    Price Alerts will notify you by email when the price for flights to Sydney, Nova Scotia from Missouri decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Missouri to Sydney, Nova Scotia with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Cheticamp
Inverness

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Sydney?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Missouri to Sydney. momondo saves you time and could save you money on your trip.

Can I find flights from Missouri to Sydney with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Missouri to Sydney flights to just show those with flexible booking policies.

How can momondo help me find flights from Missouri to Sydney?

momondo helps you find the best flight between Missouri and Sydney by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Missouri to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Sydney, Nova Scotia trip

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Mon 5/11
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Find better results for your trip to Canada

Airports servicing Nova Scotia

Halifax Intl Airport