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$229+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YQY
Apr 9 — Apr 161
Wed 4/9
Wed 4/16
1 adult, Economy
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Cheap flight deals from Boston to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Sydney (YQY). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$639
(Air Canada)

One-way from

$229
(Kiwi.com)
Provider with most accurate pricing for Boston Logan Intl-Sydney flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Sydney flights.
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From Boston Logan Intl to Sydney
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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 April 4, 2025.

This Air Canada deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1810:20 amBOS - YQY
1 stop4h 29mAir Canada
Sun 5/254:30 pmYQY - BOS
1 stop6h 27mAir Canada
Deal found 4/3$639
This United deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/258:02 pmBOS - YQY
2 stops18h 45mMultiple Airlines
Sun 8/34:30 pmYQY - BOS
2 stops19h 58mMultiple Airlines
Deal found 4/3$840

Cheapflights Fare Finder

Customize your flight search to find flights from Boston 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 2,558,603 searches. Data last updated April 4, 2025.
Use the filters below to find and compare flights from Boston to Sydney that are best for you.

Fly from

Boston

Fly to

Sydney

Route

Depart

Return

Price

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Sun 5/18

10:20 am-3:49 pm

1 stop4h 29m

Sydney

Sun 5/25

4:30 pm-9:57 pm

1 stop6h 27m

$639

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Fri 7/25

8:02 pm-3:47 pm

2 stops18h 45m

Sydney

Sun 8/3

4:30 pm-11:28 am

2 stops19h 58m

$840

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Mon 4/14

9:39 pm-7:30 pm

3 stops44h 51m

$229

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Fri 6/6

10:20 am-3:49 pm

1 stop4h 29m

$316

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Fri 6/13

6:55 pm-6:51 pm

2 stops22h 56m

$340

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Compare providers for flights from Boston to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Sydney in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Sydney, Nova Scotia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Sydney, Nova Scotia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Sydney, Nova Scotia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Sydney, Nova Scotia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Sydney, Nova Scotia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Cheapflights Insights

Everything you need to know about your flight from Boston to Sydney

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

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.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

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).

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 April 4, 2025.
WestJet
7.2
Good
2,795 reviews

Comfort

7.0

Entertainment

6.1

Overall

7.2

Boarding

7.4

Crew

7.9

Food

6.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2024

LGA - YHZ

They staff were assigned. The flight was on time No entertainment for short travel
WestJet
7.2
Good
2,795 reviews
WestJet
7.2
Good
2,795 reviews

Comfort

7.0

Entertainment

6.1

Overall

7.2

Boarding

7.4

Crew

7.9

Food

6.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2024

LGA - YHZ

They staff were assigned. The flight was on time No entertainment for short travel
Air Canada
7.0
Good
9,035 reviews
WestJet
7.2
Good
2,795 reviews

Comfort

7.0

Entertainment

6.1

Overall

7.2

Boarding

7.4

Crew

7.9

Food

6.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2024

LGA - YHZ

They staff were assigned. The flight was on time No entertainment for short travel

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 is the cheapest airline to fly 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 $639 on this airline.

  • 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

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Top airline flying from Boston to Sydney

Discover the top airline that operate flights from Boston to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$518Average$1,012FlexibilityNo cancel feeOn-time67%

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