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Cheap flights from Sydney to Boston from $985

SYD — BOS
30 Sep — 7 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Boston

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Boston

Mon 12/1010:20 -
2 stops26h 06m
Mon 19/1012:45 -
2 stops28h 35m
Deal found 30/8$1,199
Tue 13/1010:20 -
2 stops38h 30m
Thu 5/1105:45 -
2 stops35h 50m
Deal found 29/8$1,288
Wed 7/1010:20 -
2 stops26h 06m
Mon 26/1015:30 -
2 stops26h 05m
Deal found 27/8$1,354
Wed 14/1010:20 -
2 stops26h 06m
Wed 21/1010:40 -
2 stops30h 40m
Deal found 26/8$1,358
Fri 16/1010:20 -
2 stops38h 30m
Thu 29/1015:35 -
2 stops26h 00m
Deal found 30/8$1,414

Find flight deals from Sydney to Boston

Round-trip from

$1,199

One-way from

$985

Popular in

December

Cheapest in

October

Average price

$1,717
Air Canada
  • Air Canada
  • 12/10-19/10
  • 4 total stops
  • 54h 41m total
  • Sydney to Boston
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Etihad Airways
  • Etihad Airways
  • 3/11
  • 1 total stop
  • 32h 40m total
  • Sydney to Boston
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($46 potential savings vs. average return price).
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Average for round-trip flights in August 2026
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Wed 7/10

10:10-23:43

1 stop28h 33m

Boston Logan Intl

Mon 26/10

15:52-09:00

2 stops26h 08m

$1,724
Fastest return journey

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Tue 8/12

11:50-17:12

1 stop21h 22m

Boston Logan Intl

Tue 29/12

08:45-06:20

1 stop29h 35m

$1,743

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Thu 24/12

10:40-23:59

2 stops29h 19m

Boston Logan Intl

Tue 26/1

07:45-08:30

1 stop32h 45m

$2,077

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Sun 17/1

21:10-13:55

1 stop32h 45m

Boston Logan Intl

Fri 19/2

20:40-19:20

1 stop30h 40m

$2,095

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 28/9

09:20-09:50

2 stops38h 30m

Boston Logan Intl

Tue 13/10

10:40-08:20

3 stops30h 40m

$2,102

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Wed 30/9

09:15-23:51

1 stop28h 36m

Boston Logan Intl

Wed 7/10

10:55-07:50

1 stop29h 55m

$2,131

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Sat 16/1

10:40-16:30

1 stop21h 50m

Boston Logan Intl

Mon 15/2

09:00-08:30

2 stops31h 30m

$2,156

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 28/9

10:20-21:02

1 stop24h 42m

Boston Logan Intl

Mon 12/10

07:45-07:55

1 stop33h 10m

$2,339

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Sat 26/12

18:15-13:55

2 stops35h 40m

Boston Logan Intl

Sun 10/1

20:40-22:20

2 stops33h 40m

$2,421

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Thu 24/12

13:20-23:59

2 stops26h 39m

Boston Logan Intl

Fri 8/1

09:50-09:05

2 stops31h 15m

$2,543

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Sydney to Boston

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

Cheapflights Insights

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

How far ahead should I book a flight from Sydney to Boston?

To ensure you get the cheapest price possible for a flight from Sydney to Boston, you should look to book at least 37 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.

What is the cheapest month to book a flight from Sydney to Boston?

Currently, October is the cheapest month in which you can book a flight from Sydney to Boston (average of $1,439). Flying from Sydney to Boston in December is currently the most expensive (average of $2,082). 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 for a return flight from Sydney to Boston?

Airfare is below average for this route at the moment.

Sydney to Boston flights typically cost between $1,694 and $2,167 in October.
The cheapest return price found within the last 5 days was $1,199 on Air Canada (12 Oct–19 Oct).

Reviews of airlines servicing Boston

Get a feel of what it's like to fly with Delta,Qantas Airways, andUnited Airlines from Sydney to Boston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,533 reviews
Check prices

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.2

Overall

7.8

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
7.8
Good
8,533 reviews
Delta
7.8
Good
8,533 reviews
Check prices

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.2

Overall

7.8

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Qantas Airways
7.5
Good
1,087 reviews
Delta
7.8
Good
8,533 reviews
Check prices

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.2

Overall

7.8

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
United Airlines
7.4
Good
10,147 reviews
Delta
7.8
Good
8,533 reviews
Check prices

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.2

Overall

7.8

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
American Airlines
7.1
Good
12,021 reviews
Delta
7.8
Good
8,533 reviews
Check prices

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.2

Overall

7.8

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Air Canada
7.1
Good
11,560 reviews
Delta
7.8
Good
8,533 reviews
Check prices

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.2

Overall

7.8

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Related info for your journey

  • How long is the flight from Sydney to Boston?

    American Airlines, United Airlines, and Delta can get you from Sydney to Boston in just under 21h 22m. Your travel time can differ by up to 7h 57m. Sydney and Boston are separated by a distance of 16240 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Sydney to Boston round-trip?

    Flying on Virgin Australia is currently your cheapest option to Boston, with prices starting at $692. Additional round-trip tickets that might be worth considering are offered by United Airlines and Air Canada, with the lowest prices starting at $1,130 and $1,151, respectively. Users have found that Virgin Australia is 59% cheaper than the other options available to this destination.

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

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

  • How can I find direct flights from Sydney to Boston?

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

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

    Yes. Cheapflights offers flight deals from Sydney to Boston 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 Sydney to Boston?

    Currently, October is the cheapest month in which you can book a flight from Sydney to Boston (average of $1,439). Flying from Sydney to Boston in December is currently the most expensive (average of $2,082). 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

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Watertown
Brookline
Cambridge
Chestnut Hill

Browse thousands of different options on Cheapflights for your next trip

Fly from Sydney to Boston on these airlines

United Airlines flights from Sydney Kingsford Smith to Boston Logan Intl
Air Canada flights from Sydney Kingsford Smith to Boston Logan Intl
Virgin Australia flights from Sydney Kingsford Smith to Boston Logan Intl

Top 6 airlines flying from Sydney to Boston

AirlineCheapestAverageFlexibilityOn-time
Virgin AustraliaCheapest$692Average$1,504FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Air CanadaCheapest$1,107Average$1,757FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,151Average$1,638FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$1,155Average$1,988FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Qantas AirwaysCheapest$1,222Average$1,746FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
American AirlinesCheapest$1,240Average$1,721FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Sydney to Boston?

Deals for Sydney to Boston flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Sydney to Boston?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sydney to Boston for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Sydney to Boston with no change fees?

Certainly. Search results for flights to Boston from Sydney shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Sydney to Boston become cheaper?

Yes, Cheapflights offers price alerts on Sydney to Boston flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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