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Cheap flights from Missouri to Sydney from C$ 951

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 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
9:10 a.m. - 11:24 p.m.
STL
-
YQY
12h 14m
2 stops
Air Canada Logo
5:30 a.m. - 10:56 p.m.
YQY
-
STL
19h 26m
2 stops
C$ 951Air Canada
Thu, 9 Apr - Thu, 16 Apr
Air Canada Logo
9:16 a.m. - 11:24 p.m.
STL
-
YQY
12h 08m
2 stops
Air Canada Logo
5:30 a.m. - 9:08 p.m.
YQY
-
STL
17h 38m
2 stops
C$ 1,063Air Canada
Sat, 4 Apr - Tue, 7 Apr
Air Canada Logo
9:16 a.m. - 11:24 p.m.
STL
-
YQY
12h 08m
2 stops
Air Canada Logo
12:30 p.m. - 9:08 p.m.
YQY
-
STL
10h 38m
2 stops
C$ 1,070Air Canada
Sat, 4 Apr - Tue, 7 Apr
Air Canada Logo
4:05 p.m. - 11:46 a.m.
STL
-
YQY
17h 41m
1 stop
Air Canada Logo
5:30 a.m. - 10:56 p.m.
YQY
-
STL
19h 26m
2 stops
C$ 1,106Air Canada
Thu, 9 Apr - Thu, 16 Apr
Air Canada Logo
9:16 a.m. - 11:24 p.m.
STL
-
YQY
12h 08m
2 stops
Air Canada Logo
5:30 a.m. - 9:08 p.m.
YQY
-
STL
17h 38m
2 stops
C$ 1,148Air Canada
Sat, 4 Apr - Tue, 7 Apr
Air Canada Logo
4:05 p.m. - 11:46 a.m.
STL
-
YQY
17h 41m
1 stop
Air Canada Logo
5:30 a.m. - 9:08 p.m.
YQY
-
STL
17h 38m
2 stops
C$ 1,227Air Canada
Sat, 4 Apr - Tue, 7 Apr
Air Canada Logo
4:05 p.m. - 11:46 a.m.
STL
-
YQY
17h 41m
1 stop
Air Canada Logo
12:30 p.m. - 9:08 p.m.
YQY
-
STL
10h 38m
2 stops
C$ 1,233Air Canada
Sat, 4 Apr - Tue, 7 Apr
Air Canada Logo
4:05 p.m. - 11:46 a.m.
STL
-
YQY
17h 41m
1 stop
Air Canada Logo
12:30 p.m. - 3:24 p.m.
YQY
-
STL
28h 54m
1 stop
C$ 1,398Air Canada
Thu, 9 Apr - Thu, 16 Apr

Air Canada flights from Missouri to Sydney, Nova Scotia

Our best Air Canada deals on Missouri to Sydney, Nova Scotia flight tickets
Air Canada
9 Apr
STL9:10 a.m.Lambert-St Louis
12h 14m
2 stops
YQY11:24 p.m.Sydney
16 Apr
YQY5:30 a.m.Sydney
19h 26m
2 stops
STL10:56 p.m.Lambert-St Louis
C$ 951
Air Canada
4 Apr
STL9:16 a.m.Lambert-St Louis
12h 08m
2 stops
YQY11:24 p.m.Sydney
7 Apr
YQY5:30 a.m.Sydney
17h 38m
2 stops
STL9:08 p.m.Lambert-St Louis
C$ 1,063
Air Canada
4 Apr
STL9:16 a.m.Lambert-St Louis
12h 08m
2 stops
YQY11:24 p.m.Sydney
7 Apr
YQY12:30 p.m.Sydney
10h 38m
2 stops
STL9:08 p.m.Lambert-St Louis
C$ 1,070

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 96,600 searches. Data last updated 24 February 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

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Thu 9/4

9:10 a.m.-11:24 p.m.

2 stops12h 14m

Sydney

Thu 16/4

5:30 a.m.-10:56 p.m.

2 stops19h 26m

C$ 951

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Sat 4/4

9:16 a.m.-11:24 p.m.

2 stops12h 08m

Sydney

Tue 7/4

5:30 a.m.-9:08 p.m.

2 stops17h 38m

C$ 1,063

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Sat 4/4

9:16 a.m.-11:24 p.m.

2 stops12h 08m

Sydney

Tue 7/4

12:30 p.m.-9:08 p.m.

2 stops10h 38m

C$ 1,070

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Thu 9/4

4:05 p.m.-11:46 a.m.

1 stop17h 41m

Sydney

Thu 16/4

5:30 a.m.-10:56 p.m.

2 stops19h 26m

C$ 1,106

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Sat 4/4

9:16 a.m.-11:24 p.m.

2 stops12h 08m

Sydney

Tue 7/4

5:30 a.m.-9:08 p.m.

2 stops17h 38m

C$ 1,148

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Sat 4/4

4:05 p.m.-11:46 a.m.

1 stop17h 41m

Sydney

Tue 7/4

5:30 a.m.-9:08 p.m.

2 stops17h 38m

C$ 1,227

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Sat 4/4

4:05 p.m.-11:46 a.m.

1 stop17h 41m

Sydney

Tue 7/4

12:30 p.m.-9:08 p.m.

2 stops10h 38m

C$ 1,233

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Thu 9/4

4:05 p.m.-11:46 a.m.

1 stop17h 41m

Sydney

Thu 16/4

12:30 p.m.-3:24 p.m.

1 stop28h 54m

C$ 1,398

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

24h 51m

Direct flights

None
The fastest flight from Missouri to Sydney, Nova Scotia takes 24h 51m
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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  • When did momondo last update prices for flights from Missouri to Sydney Airport?

    Prices for flights from Missouri to Sydney Airport are refreshed on a daily basis.

  • 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 required travel and health documents for your Sydney Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • 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 compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
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Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Missouri to Sydney . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Sydney from Missouri with this policy.

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

Once all potential Missouri to Sydney flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Missouri and alert you when they change.

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Airports servicing Nova Scotia

Halifax Intl Airport