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New South Wales

$689+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SYD
jul. 10 — jul. 171
vie. 7/10
vie. 7/17
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 junio 10, 2026.

This Travelocity deal was found by Cheapflights users on 6/5. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/910:40 am
BOS
-
SYD
2 stops30h 40m
Air Canada
dom. 8/169:20 am
SYD
-
BOS
2 stops26h 07m
Air Canada
Deal found 6/5$1,210
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/87:15 pm
BOS
-
SYD
2 stops46h 05m
Air Canada
dom. 8/309:20 am
SYD
-
BOS
2 stops38h 30m
Air Canada
Deal found 6/10$1,223
This FlightHub deal was found by Cheapflights users on 6/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/157:15 pm
BOS
-
SYD
2 stops46h 05m
Air Canada
dom. 8/309:20 am
SYD
-
BOS
2 stops46h 47m
Air Canada
Deal found 6/5$1,225
This Ovago deal was found by Cheapflights users on 6/6. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/75:10 am
BOS
-
SYD
1 stop36h 10m
Multiple Airlines
dom. 6/149:20 am
SYD
-
BOS
2 stops38h 25m
Multiple Airlines
Deal found 6/6$1,232
This Justfly.com deal was found by Cheapflights users on 6/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/39:05 pm
BOS
-
SYD
1 stop41h 45m
Qatar Airways
mar. 11/173:50 pm
SYD
-
BOS
1 stop38h 30m
Qatar Airways
Deal found 6/10$1,236
This FlightHub deal was found by Cheapflights users on 6/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/810:30 am
BOS
-
SYD
1 stop30h 35m
Qantas Airways
sáb. 12/127:05 am
SYD
-
BOS
2 stops26h 30m
Qantas Airways
Deal found 6/8$1,239
This Justfly.com deal was found by Cheapflights users on 6/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/1610:00 pm
BOS
-
SYD
1 stop29h 10m
Qatar Airways
mié. 10/73:50 pm
SYD
-
BOS
1 stop38h 25m
Qatar Airways
Deal found 6/10$1,240
This oojo deal was found by Cheapflights users on 6/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/2110:00 pm
BOS
-
SYD
1 stop29h 10m
Qatar Airways
mié. 10/283:50 pm
SYD
-
BOS
1 stop38h 30m
Qatar Airways
Deal found 6/8$1,241

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 junio 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,210
(Travelocity)

One-way from

$689
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,478
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
Search Deals
One-way flight from Boston Logan Intl to New South Wales
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($234 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in June 2026
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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 junio 10, 2026.
Use the filters below to find and compare flights from Boston to New South Wales that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

mar. 6/23

10:20 am-6:50 am

2 stops30h 30m

Sydney Kingsford Smith

mar. 6/30

9:15 am-1:31 am

2 stops30h 16m

$1,347

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

sáb. 8/8

8:27 pm-6:55 am

1 stop44h 28m

Sydney Kingsford Smith

dom. 8/30

10:20 am-5:07 pm

1 stop20h 47m

$1,353

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

mar. 6/30

1:55 pm-6:50 am

2 stops26h 55m

Sydney Kingsford Smith

jue. 7/16

9:15 am-9:00 pm

2 stops25h 45m

$1,396

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

jue. 7/2

5:45 am-7:00 am

2 stops35h 15m

Sydney Kingsford Smith

dom. 7/12

9:30 am-7:30 pm

2 stops24h 00m

$1,396

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

mié. 8/26

8:16 pm-6:55 am

2 stops44h 39m

Sydney Kingsford Smith

lun. 9/7

9:30 am-5:20 pm

1 stop21h 50m

$1,414
Quickest round-trip

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

jue. 7/2

5:33 pm-7:05 am

1 stop23h 32m

Sydney Kingsford Smith

vie. 7/31

9:10 am-4:38 pm

1 stop21h 28m

$1,432

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

jue. 7/2

5:45 am-7:00 am

2 stops35h 15m

Sydney Kingsford Smith

vie. 7/31

10:20 am-9:21 pm

1 stop25h 01m

$1,441

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

mié. 8/26

8:16 pm-6:55 am

2 stops44h 39m

Sydney Kingsford Smith

sáb. 9/5

10:20 am-5:07 pm

1 stop20h 47m

$1,464

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

mar. 7/14

7:28 am-7:00 am

2 stops33h 32m

Sydney Kingsford Smith

mar. 8/4

9:30 am-9:21 pm

2 stops25h 51m

$1,494

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

lun. 7/6

6:20 am-6:50 am

1 stop34h 30m

Sydney Kingsford Smith

lun. 7/13

9:15 am-11:51 pm

1 stop28h 36m

$1,505

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Showing 1-10 of 22 resultsSorted by cheapest first
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2
3

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, February is the cheapest month in which you can book a flight from Boston to New South Wales (average of $179). Flying from Boston to New South Wales in April is currently the most expensive (average of $1,076). 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.

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

How far ahead should I book a flight from Boston to New South Wales?

To ensure you get the cheapest price possible for a flight from Boston to New South Wales, you should look to book at least 14 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 junio 10, 2026.
Read reviews from past customers who have flown Delta,Qantas Airways, andUnited 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
8,393 reviews

Comfort

7.8

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,393 reviews
Delta
7.9
Good
8,393 reviews

Comfort

7.8

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Qantas Airways
7.5
Good
1,046 reviews
Delta
7.9
Good
8,393 reviews

Comfort

7.8

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,801 reviews
Delta
7.9
Good
8,393 reviews

Comfort

7.8

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,640 reviews
Delta
7.9
Good
8,393 reviews

Comfort

7.8

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Air Canada
7.1
Good
11,154 reviews
Delta
7.9
Good
8,393 reviews

Comfort

7.8

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 30h 30m. 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 ($459), Delta ($522), and Qantas Airways ($569).

  • 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, February is the cheapest month in which you can book a flight from Boston to New South Wales (average of $179). Flying from Boston to New South Wales in April is currently the most expensive (average of $1,076). 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 9 airlines flying from Boston to New South Wales

Discover the top 9 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 junio 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$179Average$251FlexibilityNo cancel feeOn-time62%
DeltaCheapest$318Average$1,451FlexibilityNo cancel feeOn-timeN/A
Fiji AirwaysCheapest$727Average$793FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$907Average$1,363FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$1,082Average$1,443FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$1,145Average$1,559FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,147Average$1,453FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$1,166Average$1,478FlexibilityNo cancel feeOn-time78%
Qatar AirwaysCheapest$1,233Average$1,558FlexibilityNo cancel feeOn-time68%

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