What are the cheapest airlines flying from Boston to Sydney, Nova Scotia round-trip?

Our cheapest airline available from Boston to Sydney, Nova Scotia is Air Canada. Our recent data shows that you can find tickets from as low as $647 on this airline. An additional option worth looking into is WestJet, starting at $880.

What is the cheapest day to fly from Boston to Sydney, Nova Scotia?

Travelers seeking maximum savings on their Boston to Sydney, Nova Scotia flight should consider departing on Saturday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Sydney, Nova Scotia ranges from 3.5 - 6.6 inches per month. December is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Sydney, Nova Scotia when rainfall is around 3.5 in.

If weather is an important factor for your trip to Sydney, Nova Scotia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

What is the cheapest day to fly round-trip from Boston to Sydney, Nova Scotia?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest time of day to fly from BOS to YQY?

When flying from Boston to Sydney, Nova Scotia, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 11% versus a flight in the morning.

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

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

How can I find direct flights from Boston to Sydney?

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

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

Yes. Cheapflights offers flight deals from Boston 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.

$364+ Flights from Boston to Sydney, NS

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Cheap flight deals from Boston to Sydney

Round-trip from	$647 (Air Canada)
One-way from	$364 (Air Canada)

From Boston Logan Intl to Sydney

Search Deals

One-way flight from Boston Logan Intl to Sydney

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Find flight deals from Boston to Sydney

Cheapest flights from Boston to Sydney
Explore the most affordable flight options available from Boston to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Sun 9/710:20 amBOS - YQY

1 stop4h 28mAir Canada

Tue 9/164:30 pmYQY - BOS

1 stop5h 55mAir Canada

Deal found 6/29

$588

Thu 7/103:30 pmBOS - YQY

2 stops18h 00mMultiple Airlines

Mon 7/143:00 pmYQY - BOS

3 stops33h 03mMultiple Airlines

Deal found 6/30

$765

Best flights from Boston to Sydney
Discover carefully curated flight deals from Boston to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2025.

Sat 10/410:20 amBOS - YQY

1 stop4h 28mAir Canada

Sat 10/114:30 pmYQY - BOS

1 stop5h 55mAir Canada

Deal found 7/1

$647

Fri 10/106:30 pmBOS - YQY

1 stop23h 21mWestJet

Tue 10/147:40 pmYQY - BOS

2 stops16h 26mWestJet

Deal found 7/2

$880

Tue 7/159:03 amBOS - YQY

2 stops15h 14mMultiple Airlines

Sat 8/234:30 pmYQY - BOS

1 stop6h 26mMultiple Airlines

Deal found 7/1

$900

Last-minute flights from Boston to Sydney
Discover last-minute flight deals from Boston to Sydney. Data last updated July 2, 2025 and is based on user searches.

Thu 7/1010:40 amBOS - YQY

1 stop13h 37mAir Canada

Mon 7/144:30 pmYQY - BOS

2 stops18h 25mAir Canada

Deal found 6/30

$709

Thu 7/103:30 pmBOS - YQY

2 stops18h 00mMultiple Airlines

Mon 7/143:00 pmYQY - BOS

3 stops33h 03mMultiple Airlines

Deal found 6/30

$765

Tue 8/54:35 pmBOS - YQY

1 stop7h 52mAir Canada

Tue 8/125:10 amYQY - BOS

1 stop7h 18mAir Canada

Deal found 6/29

$661

One-way flights from Boston to Sydney
Search for one-way flight options from Boston to Sydney. Find affordable one-way fares based on user searches. Data last updated July 2, 2025.

Wed 8/66:55 pmBOS - YQY

1 stop5h 32mAir Canada

Deal found 7/2

$364

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Sun 9/7

10:20 am-3:48 pm

1 stop4h 28m

Sydney

Tue 9/16

4:30 pm-9:25 pm

1 stop5h 55m

$588

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Thu 7/10

3:30 pm-10:30 am

2 stops18h 00m

Sydney

Mon 7/14

3:00 pm-11:03 pm

3 stops33h 03m

$765

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Wed 8/6

6:55 pm-1:27 am

1 stop5h 32m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Boston to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Boston 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.

Reviews of airlines servicing Sydney

Read reviews from past customers who have flown WestJet and Air Canada from Boston to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

WestJet

7.2

Good

2,912 reviews

Reviews

1 / 20

6.0

Good

Roger,Jun 2025

MSP - YXE

Everything was good except the actual equipment. The aircraft was old and definitely showed its age, as far the interior cabin was concerned. WestJet definitely needs tio update the interior.

WestJet

7.2

Good

2,912 reviews

WestJet

7.2

Good

2,912 reviews

Reviews

1 / 20

6.0

Good

Roger,Jun 2025

MSP - YXE

Everything was good except the actual equipment. The aircraft was old and definitely showed its age, as far the interior cabin was concerned. WestJet definitely needs tio update the interior.

Air Canada

7.1

Good

9,669 reviews

WestJet

7.2

Good

2,912 reviews

Reviews

1 / 20

6.0

Good

Roger,Jun 2025

MSP - YXE

Everything was good except the actual equipment. The aircraft was old and definitely showed its age, as far the interior cabin was concerned. WestJet definitely needs tio update the interior.

Related info for your journey

What are the cheapest airlines flying from Boston to Sydney, Nova Scotia round-trip?
Our cheapest airline available from Boston to Sydney, Nova Scotia is Air Canada. Our recent data shows that you can find tickets from as low as $647 on this airline. An additional option worth looking into is WestJet, starting at $880.
Can I find deals for flights from Boston to Sydney that include hotel bookings?
Yes. In addition to deals on Boston to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Boston to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Sydney.
Can I find deals for business class flights from Boston to Sydney?
Yes. Cheapflights offers flight deals from Boston 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Boston to Sydney

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Hyannis to Halifax flights

Top airline flying from Boston to Sydney

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$518	Average$804	FlexibilityNo cancel fee	On-time67%

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$364+ Cheap flights from Boston (BOS) to Sydney, NS (YQY)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boston to Sydney with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Boston to Sydney

Round-trip from

One-way from

Find flight deals from Boston to Sydney

Cheapest flights from Boston to SydneyExplore the most affordable flight options available from Boston to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Explore the most affordable flight options available from Boston to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Sydney that are best for you.

Best time to book a flight from Boston to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Boston with our price prediction graph.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated July 2, 2025.

Read reviews from past customers who have flown WestJet and Air Canada from Boston to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the cheapest airlines flying from Boston to Sydney, Nova Scotia round-trip?

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

How can I find direct flights from Boston to Sydney?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Sydney

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Boston to Sydney

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Book with Flexibility

Travel Smart

Cheapest flights from Boston to Sydney
Explore the most affordable flight options available from Boston to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.