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New South Wales

$505+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SYD
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Cheap 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 November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,258
(Gotogate)

One-way from

$505
(Air Canada)

Popular in

December

Cheapest in

March

Average price

$1,452
Provider with most accurate pricing for Boston Logan Intl-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Sydney Kingsford Smith flights.
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From Boston Logan Intl to New South Wales
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One-way flight from Boston Logan Intl to New South Wales
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Highest demand for flights based on searches. 13% potential increase in price ($228 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 20, 2025.

This Gotogate deal was found by Cheapflights users on 11/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/305:30 amBOS - SYD
3 stops36h 05mAir Canada
Sun 12/1411:20 amSYD - BOS
3 stops38h 12mAir Canada
Deal found 11/19$1,258
This oojo deal was found by Cheapflights users on 11/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/198:15 amBOS - SYD
2 stops33h 05mQantas Airways
Wed 11/262:05 pmSYD - BOS
1 stop22h 25mQantas Airways
Deal found 11/18$1,261
This Cheapflightsfares deal was found by Cheapflights users on 11/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:25 pmBOS - SYD
2 stops31h 05mQantas Airways
Thu 12/187:15 pmSYD - BOS
2 stops38h 05mQantas Airways
Deal found 11/20$1,266
This Air Canada deal was found by Cheapflights users on 11/20. 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.
Wed 12/3110:15 amBOS - SYD
3 stops31h 20mAir Canada
Mon 5/189:20 amSYD - BOS
3 stops38h 30mAir Canada
Deal found 11/20$1,302
This Air Canada deal was found by Cheapflights users on 11/20. 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.
Mon 12/17:55 pmBOS - SYD
2 stops45h 40mAir Canada
Mon 12/2211:20 amSYD - BOS
2 stops27h 17mAir Canada
Deal found 11/20$1,305
This Air Canada deal was found by Cheapflights users on 11/18. 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 11/2310:45 amBOS - SYD
2 stops30h 50mAir Canada
Sat 12/611:20 amSYD - BOS
2 stops26h 07mAir Canada
Deal found 11/18$1,322
This Air Canada deal was found by Cheapflights users on 11/19. 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.
Fri 11/286:40 pmBOS - SYD
2 stops44h 15mAir Canada
Tue 12/911:20 amSYD - BOS
2 stops38h 12mAir Canada
Deal found 11/19$1,325
This Air Canada deal was found by Cheapflights users on 11/19. 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.
Tue 12/210:15 amBOS - SYD
2 stops28h 40mAir Canada
Tue 12/911:20 amSYD - BOS
2 stops44h 37mAir Canada
Deal found 11/19$1,351
This Air Canada deal was found by Cheapflights users on 11/19. 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.
Fri 12/266:55 pmBOS - SYD
2 stops44h 00mAir Canada
Thu 1/154:00 pmSYD - BOS
2 stops33h 32mAir Canada
Deal found 11/19$1,381

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 November 20, 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

Sat 2/14

5:35 pm-8:30 am

1 stop22h 55m

Sydney Kingsford Smith

Sat 2/21

10:40 am-10:32 pm

2 stops27h 52m

$1,338

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Wed 2/18

12:45 pm-8:30 am

1 stop27h 45m

Sydney Kingsford Smith

Thu 2/26

10:40 am-9:23 pm

1 stop26h 43m

$1,347

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 1/20

5:30 pm-8:30 am

1 stop23h 00m

Sydney Kingsford Smith

Tue 1/27

10:40 am-4:17 pm

1 stop21h 37m

$1,347

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Fri 12/12

4:01 pm-7:25 pm

2 stops35h 24m

Sydney Kingsford Smith

Wed 1/14

10:05 am-11:30 pm

2 stops29h 25m

$1,478

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Thu 1/8

4:20 pm-7:45 pm

3 stops35h 25m

Sydney Kingsford Smith

Sun 1/25

9:40 pm-3:20 pm

3 stops33h 40m

$1,516

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Thu 11/27

7:00 am-7:00 am

1 stop32h 00m

Sydney Kingsford Smith

Thu 12/11

9:00 am-5:06 pm

2 stops24h 06m

$1,581

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 1/6

10:56 am-11:40 am

2 stops32h 44m

Sydney Kingsford Smith

Thu 1/15

11:20 am-6:32 pm

2 stops23h 12m

$1,586

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Thu 1/15

4:20 pm-7:45 pm

3 stops35h 25m

Sydney Kingsford Smith

Thu 2/12

9:40 pm-5:24 pm

2 stops35h 44m

$1,586

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Thu 1/8

4:20 pm-7:45 pm

3 stops35h 25m

Sydney Kingsford Smith

Thu 3/12

9:40 pm-3:36 pm

3 stops32h 56m

$1,590

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sat 1/10

6:44 pm-7:45 pm

2 stops33h 01m

Sydney Kingsford Smith

Sat 1/17

9:40 pm-3:20 pm

2 stops33h 40m

$1,607

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 20 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 $252). Flying from Boston to New South Wales in December is currently the most expensive (average of $1,172). 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 November 20, 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.

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 November 20, 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
8,002 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

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
8,002 reviews
Delta
7.9
Good
8,002 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

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
942 reviews
Delta
7.9
Good
8,002 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

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
9,028 reviews
Delta
7.9
Good
8,002 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

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
11,045 reviews
Delta
7.9
Good
8,002 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

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
10,462 reviews
Delta
7.9
Good
8,002 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

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 22h 55m. 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.

  • 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 $252). Flying from Boston to New South Wales in December is currently the most expensive (average of $1,172). 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

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

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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$248Average$1,437FlexibilityNo cancel feeOn-time62%
DeltaCheapest$400Average$1,267FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$735Average$1,221FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$824Average$1,424FlexibilityNo cancel feeOn-time69%
Fiji AirwaysCheapest$831Average$1,482FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$916Average$1,445FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$1,109Average$1,468FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,228Average$1,874FlexibilityNo cancel feeOn-time78%
Qatar AirwaysCheapest$1,272Average$1,696FlexibilityNo cancel feeOn-time68%
Cathay PacificCheapest$1,318Average$1,497FlexibilityNo cancel feeOn-time72%

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