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Cheap flights from Sydney to Boston from $870

SYD — BOS
27 Oct — 3 Nov1
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

Wed 11/1111:20 -
2 stops26h 08m
Wed 25/1105:45 -
2 stops35h 50m
Deal found 25/9$1,277
Tue 27/1010:20 -
2 stops26h 08m
Wed 4/1112:00 -
2 stops29h 35m
Deal found 26/9$1,316
Mon 9/1111:20 -
3 stops38h 28m
Mon 16/1115:30 -
2 stops26h 05m
Deal found 25/9$1,341
Tue 27/1010:20 -
2 stops38h 43m
Wed 4/1110:25 -
2 stops31h 10m
Deal found 25/9$1,371
Tue 27/1010:20 -
2 stops26h 08m
Tue 3/1110:40 -
2 stops30h 55m
Deal found 24/9$1,378
Tue 20/1010:20 -
2 stops26h 06m
Tue 27/1005:30 -
2 stops36h 05m
Deal found 22/9$1,382
Mon 26/1010:20 -
2 stops38h 43m
Tue 3/1110:40 -
2 stops30h 55m
Deal found 23/9$1,386

Find flight deals from Sydney to Boston

Round-trip from

$1,277

One-way from

$872

Popular in

December

Cheapest in

October

Average price

$1,963
Air Canada
  • Air Canada
  • 11/11-25/11
  • 4 total stops
  • 61h 58m total
  • Sydney to Boston
Search Deals
Delta
  • Delta
  • 16/11-31/12
  • 2 total stops
  • 28h 15m total
  • Sydney to Boston
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($96 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($46 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 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

Mon 16/11

10:40-23:59

1 stop29h 19m

Boston Logan Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$872

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 26/10

09:40-23:55

1 stop29h 15m

Boston Logan Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$878

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Sat 24/10

10:30-23:59

3 stops28h 29m

Boston Logan Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$973

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Sun 31/1

10:40-21:41

1 stop27h 01m

Boston Logan Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,026

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 26/10

10:55-23:59

3 stops28h 04m

Boston Logan Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,030
Fastest return journey

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Fri 20/11

10:40-19:20

1 stop24h 40m

Boston Logan Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,035

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 16/11

11:20-00:46

3 stops29h 26m

Boston Logan Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,036

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Wed 2/12

11:20-23:59

3 stops28h 39m

Boston Logan Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,037

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Tue 27/10

09:40-05:27

1 stop34h 47m

Boston Logan Intl

Wed 4/11

17:55-08:30

1 stop22h 35m

$1,517

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Thu 12/11

10:40-20:01

2 stops25h 21m

Boston Logan Intl

Mon 23/11

10:55-08:30

1 stop29h 35m

$1,527

Flights are sorted by cheapest return flights first.

Deals found on 25/9

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 86 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 $1,210). Flying from Sydney to Boston in December is currently the most expensive (average of $2,111). 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 typical for this route at the moment.

Sydney to Boston flights typically cost between $862 and $1,692 in November.
The cheapest return price found within the last 5 days was $1,277 on Air Canada (11 Nov–25 Nov).

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
8,605 reviews
Check prices

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Overall

7.8

Crew

8.5

Food

7.2

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
8,605 reviews
Delta
7.8
Good
8,605 reviews
Check prices

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Overall

7.8

Crew

8.5

Food

7.2

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
1,102 reviews
Delta
7.8
Good
8,605 reviews
Check prices

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Overall

7.8

Crew

8.5

Food

7.2

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
10,246 reviews
Delta
7.8
Good
8,605 reviews
Check prices

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Overall

7.8

Crew

8.5

Food

7.2

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
11,696 reviews
Delta
7.8
Good
8,605 reviews
Check prices

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Overall

7.8

Crew

8.5

Food

7.2

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
7.0
Good
12,098 reviews
Delta
7.8
Good
8,605 reviews
Check prices

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Overall

7.8

Crew

8.5

Food

7.2

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?

    Delta and Qantas Airways can get you from Sydney to Boston in just under 24h 47m. Your travel time can differ by up to 10h. 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 United Airlines is currently your cheapest option to Boston, with prices starting at $1,074. Additional round-trip tickets that might be worth considering are offered by Air Canada and American Airlines, with the lowest prices starting at $1,203 and $1,288, respectively. Users have found that United Airlines is 39% 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 $1,210). Flying from Sydney to Boston in December is currently the most expensive (average of $2,111). 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

Top 5 airlines flying from Sydney to Boston

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,074Average$1,781FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$1,288Average$1,755FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$1,296Average$1,820FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,311Average$1,783FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
DeltaCheapest$1,330Average$2,117FlexibilityNo cancel feeOn-timeN/A
Search Delta 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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