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Cheap flights from Missouri to Sydney, NS from C$ 1,680

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YQY
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Missouri to Sydney

Keep the following information in mind while searching for Missouri to Sydney flight deals. Data was last updated 4 November 2025.

Round-trip from

C$ 1,680
Air Canada
  • Air Canada
  • 30/4-4/5
  • 4 total stops
  • 46h 38m total
  • Missouri to Sydney
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Find flight deals from Missouri to Sydney

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Best flights from Missouri to Sydney
Discover carefully curated flight deals from Missouri to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 4 November 2025.

Thu 30/44:05 p.m.STL - YQY
2 stops21h 52mAir Canada
Mon 4/54:30 p.m.YQY - STL
2 stops24h 46mAir Canada
Deal found 1/11C$ 1,680

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Sydney 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, Cheapflights users made 629,999 searches. Data last updated 4 November 2025.
Use the filters below to find and compare flights from Missouri to Sydney that are best for you.

Fly from

Missouri

Fly to

Sydney

Route

Depart

Return

Price

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Thu 30/4

4:05 p.m.-3:57 p.m.

2 stops21h 52m

Sydney

Mon 4/5

4:30 p.m.-3:16 p.m.

2 stops24h 46m

C$ 1,680

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Best time to book a flight from Missouri to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Missouri with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Missouri to Sydney
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sydney from Missouri?

    For a flight from Missouri to Sydney, you will be flying into Sydney. Sydney (YQY) is just 11.2 km from the centre of the city.

  • How long is the flight from Missouri to Sydney, Nova Scotia?

    For as low as C$ 1,680, Air Canada can have you in Sydney, Nova Scotia from Missouri in 21h 52m. Missouri and Sydney, Nova Scotia are separated by a distance of 2601 km.

  • Can I find deals for flights from Missouri to Sydney that include hotel bookings?

    Yes. In addition to deals on Missouri to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Sydney.

  • Can I find deals for business class flights from Missouri to Sydney?

    Yes. Cheapflights offers flight deals from Missouri to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Certainly. Search results for flights to Sydney from Missouri shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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