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New South Wales

$558+ Cheap flights from Boston (BOS) to New South Wales

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SYD
jan 9 — jan 161
sex 1/9
sex 1/16
1 adult, Economy
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Cheap flight deals from Boston to New South Wales

Cheapest flights from Boston to New South Wales
Explore the most affordable flight options available from Boston to New South Wales. Find the lowest fares from popular airlines and budget airlines, with prices last updated on dezembro 10, 2025.

This Air Canada deal was found by Cheapflights users on 12/8. 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.
seg 12/85:30 amBOS - SYD
2 stops36h 05mAir Canada
seg 12/2211:20 amSYD - BOS
2 stops24h 22mAir Canada
Deal found 12/8$1,203
This Air Canada deal was found by Cheapflights users on 12/8. 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.
seg 12/85:30 amBOS - SYD
2 stops36h 05mAir Canada
dom 12/2111:20 amSYD - BOS
2 stops38h 37mAir Canada
Deal found 12/8$1,206
This Air Canada deal was found by Cheapflights users on 12/8. 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.
seg 12/85:30 amBOS - SYD
2 stops36h 05mAir Canada
qui 12/254:00 pmSYD - BOS
2 stops38h 52mAir Canada
Deal found 12/8$1,253
This Air Canada deal was found by Cheapflights users on 12/8. 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.
seg 12/85:30 amBOS - SYD
2 stops36h 05mAir Canada
sáb 12/204:00 pmSYD - BOS
2 stops36h 12mAir Canada
Deal found 12/8$1,256
This Air Canada deal was found by Cheapflights users on 12/8. 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.
qua 12/105:30 amBOS - SYD
3 stops60h 05mAir Canada
seg 12/2211:20 amSYD - BOS
2 stops38h 12mAir Canada
Deal found 12/8$1,259
This Air Canada deal was found by Cheapflights users on 12/8. 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.
qua 12/105:30 amBOS - SYD
3 stops60h 05mAir Canada
dom 12/2111:20 amSYD - BOS
2 stops38h 37mAir Canada
Deal found 12/8$1,262
This Qantas Airways deal was found by Cheapflights users on 12/8. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 12/108:33 amBOS - SYD
2 stops32h 02mQantas Airways
qui 12/253:00 pmSYD - BOS
2 stops46h 33mQantas Airways
Deal found 12/8$1,282
This Air Canada deal was found by Cheapflights users on 12/8. 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.
seg 12/85:30 amBOS - SYD
2 stops36h 05mAir Canada
qua 12/2411:20 amSYD - BOS
2 stops38h 12mAir Canada
Deal found 12/8$1,303
This Air Canada deal was found by Cheapflights users on 12/8. 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.
qua 12/105:30 amBOS - SYD
3 stops60h 05mAir Canada
sex 12/1911:20 amSYD - BOS
2 stops38h 12mAir Canada
Deal found 12/8$1,309
This Air Canada deal was found by Cheapflights users on 12/8. 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.
qua 12/105:30 amBOS - SYD
3 stops60h 05mAir Canada
sáb 12/204:00 pmSYD - BOS
2 stops46h 37mAir Canada
Deal found 12/8$1,312
This Qantas Airways deal was found by Cheapflights users on 12/8. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 12/108:33 amBOS - SYD
2 stops31h 42mQantas Airways
sex 12/197:05 amSYD - BOS
2 stops24h 04mQantas Airways
Deal found 12/8$1,313
This Qantas Airways deal was found by Cheapflights users on 12/8. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 12/108:33 amBOS - SYD
2 stops33h 12mQantas Airways
sáb 12/209:55 pmSYD - BOS
2 stops33h 14mQantas Airways
Deal found 12/8$1,315

Find flight deals from Boston to New South Wales

Keep the following information in mind while searching for Boston to New South Wales flight deals. Data was last updated dezembro 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,196
(Qantas Airways)

One-way from

$558
(Air Canada)

Popular in

December

Cheapest in

September

Average price

$1,918
Provider with most accurate pricing for Boston Logan Intl-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Sydney Kingsford Smith flights.
Search Deals
From Boston Logan Intl to New South Wales
Search Deals
One-way flight from Boston Logan Intl to New South Wales
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($233 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to New South Wales 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 dezembro 10, 2025.
Use the filters below to find and compare flights from Boston to New South Wales that are best for you.

Fly from

Boston

Fly to

New South Wales

Route

Depart

Return

Price

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

ter 1/20

3:25 pm-7:00 am

1 stop23h 35m

Sydney Kingsford Smith

ter 2/3

12:10 pm-5:13 pm

1 stop21h 03m

$1,213

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

ter 2/17

12:45 pm-6:50 am

1 stop26h 05m

Sydney Kingsford Smith

seg 3/2

2:15 pm-9:23 pm

1 stop23h 08m

$1,213

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

seg 1/19

12:45 pm-8:30 am

1 stop27h 45m

Sydney Kingsford Smith

qua 1/28

10:40 am-4:17 pm

1 stop21h 37m

$1,213

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

dom 1/18

10:35 am-6:50 am

2 stops28h 15m

Sydney Kingsford Smith

qua 2/18

10:40 am-9:36 pm

2 stops26h 56m

$1,217

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

sáb 2/14

8:04 pm-6:50 am

2 stops42h 46m

Sydney Kingsford Smith

dom 3/1

10:40 am-4:17 pm

1 stop21h 37m

$1,217

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

ter 1/20

3:15 pm-9:15 am

2 stops26h 00m

Sydney Kingsford Smith

dom 2/8

11:20 am-4:52 pm

1 stop21h 32m

$1,218

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

ter 1/20

11:12 am-6:50 am

2 stops27h 38m

Sydney Kingsford Smith

seg 2/9

10:40 am-6:54 pm

2 stops24h 14m

$1,218

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

dom 1/18

10:35 am-6:50 am

2 stops28h 15m

Sydney Kingsford Smith

seg 2/9

10:40 am-6:54 pm

2 stops24h 14m

$1,218

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

ter 1/20

1:50 pm-6:20 am

1 stop24h 30m

Sydney Kingsford Smith

sex 2/6

12:10 pm-5:13 pm

1 stop21h 03m

$1,223

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

dom 3/8

7:30 am-7:25 am

1 stop32h 55m

Sydney Kingsford Smith

sáb 3/28

9:40 am-9:22 pm

1 stop26h 42m

$1,223

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 18 results
1
2

Best time to book a flight from Boston to New South Wales

Have a flexible travel schedule? Discover the best time to fly to New South Wales 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 New South Wales

What is the cheapest month to book a flight from Boston to New South Wales?

Currently, September is the cheapest month in which you can book a flight from Boston to New South Wales (average of $251). Flying from Boston to New South Wales in January is currently the most expensive (average of $1,143). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Boston to New South Wales. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated dezembro 10, 2025.

It’s optimal to fly from Boston to New South Wales in the evening. By choosing this option you can save up to 32% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Boston to New South Wales?

Use this chart to determine the cheapest time to fly round-trip from Boston to New South Wales. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boston to New South Wales flight should consider departing on Wednesday at noon when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Boston to New South Wales?

Reviews of airlines servicing New South Wales

Get insights into the airlines that provide service to New South Wales. 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 New South Wales. Reviews last updated dezembro 10, 2025.
Read reviews from past customers who have flown Delta, Qantas Airways, and United Airlines from Boston to New South Wales. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Qantas Airways
7.5
Good
947 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,093 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,048 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,514 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Boston to New South Wales. 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 from for flights from Boston to New South Wales?

    Most people fly from Boston Logan Intl (BOS) if they book a flight from Boston to New South Wales. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

  • How long is the flight from Boston to New South Wales?

    Departing from Boston to New South Wales will take you 23h 35m. The distance between Boston and New South Wales is about 10091 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Boston to New South Wales one-way?

    The cheapest airlines for a one-way flight from Boston to New South Wales are Air Canada ($543), United Airlines ($586), and Qantas Airways ($626).

  • Can I find deals for flights from Boston to New South Wales that include hotel bookings?

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

  • How can I find direct flights from Boston to New South Wales?

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

  • Can I find deals for business class flights from Boston to New South Wales?

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

  • What is the cheapest month to book a flight from Boston to New South Wales?

    Currently, September is the cheapest month in which you can book a flight from Boston to New South Wales (average of $251). Flying from Boston to New South Wales in January is currently the most expensive (average of $1,143). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Boston to New South Wales

Discover the top 10 airlines that operate flights from Boston to New South Wales. 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 dezembro 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$251Average$385FlexibilityNo cancel feeOn-time62%
DeltaCheapest$318Average$1,273FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$735Average$1,226FlexibilityNo cancel feeOn-time67%
Fiji AirwaysCheapest$765Average$1,418FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$824Average$1,424FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$848Average$1,432FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$1,097Average$1,455FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,228Average$1,874FlexibilityNo cancel feeOn-time78%
Qatar AirwaysCheapest$1,295Average$1,558FlexibilityNo cancel feeOn-time68%
Cathay PacificCheapest$1,318Average$1,556FlexibilityNo cancel feeOn-time72%

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