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Cheap flights from Missouri to Sydney from C$ 1,133

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 8/6. 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
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 p.m. - 12:09 a.m.
STL
-
YQY
7h 54m
1 stop
Air Canada Logo
5:00 a.m. - 12:06 p.m.
YQY
-
STL
9h 06m
1 stop
C$ 1,133Air Canada
Mon, 8 Jun - Fri, 12 Jun
Air Canada Logo
2:15 p.m. - 12:09 a.m.
STL
-
YQY
7h 54m
1 stop
Air Canada Logo
5:20 p.m. - 12:06 p.m.
YQY
-
STL
20h 46m
2 stops
C$ 1,145Air Canada
Mon, 8 Jun - Fri, 12 Jun
Air Canada Logo
2:15 p.m. - 12:14 a.m.
STL
-
YQY
7h 59m
1 stop
Air Canada Logo
5:20 p.m. - 8:09 p.m.
YQY
-
STL
28h 49m
2 stops
C$ 1,151Air Canada
Tue, 5 May - Sat, 9 May
Air Canada Logo
2:15 p.m. - 4:14 p.m.
STL
-
YQY
23h 59m
2 stops
Air Canada Logo
5:20 p.m. - 12:06 p.m.
YQY
-
STL
20h 46m
2 stops
C$ 1,224Air Canada
Tue, 5 May - Sat, 9 May
Air Canada Logo
7:09 p.m. - 4:14 p.m.
STL
-
YQY
19h 05m
2 stops
Air Canada Logo
5:20 p.m. - 10:48 a.m.
YQY
-
STL
19h 28m
2 stops
C$ 1,229Air Canada
Tue, 5 May - Sat, 9 May
Air Canada Logo
2:15 p.m. - 12:14 a.m.
STL
-
YQY
7h 59m
1 stop
Air Canada Logo
5:20 p.m. - 12:06 p.m.
YQY
-
STL
20h 46m
2 stops
C$ 1,242Air Canada
Tue, 5 May - Sat, 9 May
Air Canada Logo
2:15 p.m. - 12:14 a.m.
STL
-
YQY
7h 59m
1 stop
Air Canada Logo
5:00 a.m. - 12:06 p.m.
YQY
-
STL
9h 06m
1 stop
C$ 1,326Air Canada
Tue, 5 May - Sat, 9 May
Air Canada Logo
2:15 p.m. - 12:14 a.m.
STL
-
YQY
7h 59m
1 stop
Air Canada Logo
5:00 a.m. - 12:06 p.m.
YQY
-
STL
9h 06m
1 stop
C$ 1,329Air Canada
Tue, 5 May - Sat, 9 May
Air Canada Logo
2:15 p.m. - 12:14 a.m.
STL
-
YQY
7h 59m
1 stop
Air Canada Logo
5:20 p.m. - 12:06 p.m.
YQY
-
STL
20h 46m
2 stops
C$ 1,339Air Canada
Tue, 5 May - Sat, 9 May
Air Canada Logo
7:09 p.m. - 4:14 p.m.
STL
-
YQY
19h 05m
2 stops
Air Canada Logo
5:00 a.m. - 8:43 p.m.
YQY
-
STL
17h 43m
2 stops
C$ 1,417Air Canada
Tue, 5 May - Sat, 9 May

Air Canada flights from Missouri to Sydney, Nova Scotia

Our best Air Canada deals on Missouri to Sydney, Nova Scotia flight tickets
Air Canada
8 Jun
STL2:15 p.m.Lambert-St Louis
7h 54m
1 stop
YQY12:09 a.m.Sydney
12 Jun
YQY5:00 a.m.Sydney
9h 06m
1 stop
STL12:06 p.m.Lambert-St Louis
C$ 1,133
Air Canada
8 Jun
STL2:15 p.m.Lambert-St Louis
7h 54m
1 stop
YQY12:09 a.m.Sydney
12 Jun
YQY5:20 p.m.Sydney
20h 46m
2 stops
STL12:06 p.m.Lambert-St Louis
C$ 1,145
Air Canada
5 May
STL2:15 p.m.Lambert-St Louis
7h 59m
1 stop
YQY12:14 a.m.Sydney
9 May
YQY5:20 p.m.Sydney
28h 49m
2 stops
STL8:09 p.m.Lambert-St Louis
C$ 1,151

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 11 April 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 8/6

2:15 p.m.-12:09 a.m.

1 stop7h 54m

Sydney

Fri 12/6

5:00 a.m.-12:06 p.m.

1 stop9h 06m

C$ 1,133

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Mon 8/6

2:15 p.m.-12:09 a.m.

1 stop7h 54m

Sydney

Fri 12/6

5:20 p.m.-12:06 p.m.

2 stops20h 46m

C$ 1,145

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Tue 5/5

2:15 p.m.-12:14 a.m.

1 stop7h 59m

Sydney

Sat 9/5

5:20 p.m.-8:09 p.m.

2 stops28h 49m

C$ 1,151

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Tue 5/5

2:15 p.m.-4:14 p.m.

2 stops23h 59m

Sydney

Sat 9/5

5:20 p.m.-12:06 p.m.

2 stops20h 46m

C$ 1,224

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Tue 5/5

7:09 p.m.-4:14 p.m.

2 stops19h 05m

Sydney

Sat 9/5

5:20 p.m.-10:48 a.m.

2 stops19h 28m

C$ 1,229

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Tue 5/5

2:15 p.m.-12:14 a.m.

1 stop7h 59m

Sydney

Sat 9/5

5:20 p.m.-12:06 p.m.

2 stops20h 46m

C$ 1,242

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Tue 5/5

2:15 p.m.-12:14 a.m.

1 stop7h 59m

Sydney

Sat 9/5

5:00 a.m.-12:06 p.m.

1 stop9h 06m

C$ 1,326

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Tue 5/5

2:15 p.m.-12:14 a.m.

1 stop7h 59m

Sydney

Sat 9/5

5:00 a.m.-12:06 p.m.

1 stop9h 06m

C$ 1,329

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Tue 5/5

2:15 p.m.-12:14 a.m.

1 stop7h 59m

Sydney

Sat 9/5

5:20 p.m.-12:06 p.m.

2 stops20h 46m

C$ 1,339

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Tue 5/5

7:09 p.m.-4:14 p.m.

2 stops19h 05m

Sydney

Sat 9/5

5:00 a.m.-8:43 p.m.

2 stops17h 43m

C$ 1,417

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

15h 09m

Direct flights

None
The fastest flight from Missouri to Sydney, Nova Scotia takes 15h 09m
There are no direct flights from Missouri to Sydney, Nova Scotia. There are no popular flight routes from Missouri to Sydney, Nova Scotia.
Search flight deals

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 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.

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 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
Cheticamp

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.

An easier way to manage your Sydney, Nova Scotia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to Canada

Airports servicing Nova Scotia

Halifax Intl Airport