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Cheap flights from Sydney to Boston from $887

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 14/7. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BOS
28 Jul — 4 Aug1
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
Explore the most affordable flight options available from Sydney to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 June 2026.

Mon 10/809:10
SYD
-
BOS
2 stops25h 35m
British Airways
Mon 17/815:53
BOS
-
SYD
2 stops25h 12m
British Airways
Deal found 26/6$1,392
Wed 26/809:10
SYD
-
BOS
1 stop36h 26m
American Airlines
Sun 13/906:30
BOS
-
SYD
1 stop34h 35m
American Airlines
Deal found 27/6$1,421
Tue 14/709:10
SYD
-
BOS
1 stop21h 28m
American Airlines
Wed 29/712:38
BOS
-
SYD
2 stops28h 27m
American Airlines
Deal found 25/6$1,422
Mon 3/817:50
SYD
-
BOS
1 stop28h 45m
Qantas Airways
Mon 17/810:30
BOS
-
SYD
1 stop30h 35m
Qantas Airways
Deal found 25/6$1,428
Tue 11/809:10
SYD
-
BOS
2 stops23h 32m
American Airlines
Tue 18/816:27
BOS
-
SYD
2 stops24h 38m
American Airlines
Deal found 24/6$1,429
Thu 27/817:50
SYD
-
BOS
1 stop27h 46m
American Airlines
Mon 14/910:30
BOS
-
SYD
1 stop30h 35m
American Airlines
Deal found 27/6$1,431
Tue 14/709:10
SYD
-
BOS
2 stops24h 10m
American Airlines
Sun 26/717:33
BOS
-
SYD
1 stop23h 57m
American Airlines
Deal found 25/6$1,432
Mon 20/709:10
SYD
-
BOS
2 stops25h 40m
Multiple Airlines
Wed 5/815:53
BOS
-
SYD
2 stops25h 37m
Multiple Airlines
Deal found 23/6$1,437
Mon 20/709:10
SYD
-
BOS
1 stop37h 25m
American Airlines
Wed 5/807:00
BOS
-
SYD
1 stop34h 05m
American Airlines
Deal found 23/6$1,441
Thu 27/817:50
SYD
-
BOS
1 stop27h 46m
American Airlines
Sun 13/918:22
BOS
-
SYD
1 stop22h 33m
American Airlines
Deal found 27/6$1,442

Find flight deals from Sydney to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 June 2026.

Round-trip from

$1,392

One-way from

$887

Popular in

July

Cheapest in

January

Average price

$1,855
British Airways
  • British Airways
  • 10/8-17/8
  • 4 total stops
  • 50h 47m total
  • Sydney to Boston
Search Deals
Delta
  • Delta
  • 7/7
  • 1 total stop
  • 28h 36m total
  • Sydney to Boston
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($303 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($78 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to Boston 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 647,157 searches. Data last updated 28 June 2026.
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 - BOS

SYDBOS

Sydney Kingsford Smith

Mon 20/7

09:30-17:21

1 stop21h 51m

Boston Logan Intl

Tue 28/7

16:15-06:55

1 stop24h 40m

$1,448

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 15/7

09:30-01:14

2 stops29h 44m

Boston Logan Intl

Tue 28/7

18:26-07:00

1 stop22h 34m

$1,448

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 13/7

09:30-21:21

2 stops25h 51m

Boston Logan Intl

Wed 29/7

15:54-07:00

2 stops25h 06m

$1,467

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 17/8

09:15-23:57

2 stops28h 42m

Boston Logan Intl

Mon 31/8

16:15-06:50

1 stop24h 35m

$1,528
Fastest return journey

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Sat 18/7

09:30-17:20

1 stop21h 50m

Boston Logan Intl

Tue 28/7

18:26-07:00

1 stop22h 34m

$1,613

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 23/7

09:15-01:20

2 stops30h 05m

Boston Logan Intl

Thu 30/7

07:10-06:50

2 stops33h 40m

$1,651

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 19/10

10:15-22:41

2 stops27h 26m

Boston Logan Intl

Wed 21/10

15:10-07:50

2 stops25h 40m

$1,676

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Sat 17/10

10:15-19:21

2 stops24h 06m

Boston Logan Intl

Wed 21/10

15:10-07:50

2 stops25h 40m

$1,726

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Sat 12/9

09:30-17:41

1 stop22h 11m

Boston Logan Intl

Wed 14/10

05:45-08:00

2 stops35h 15m

$1,726

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Fri 16/10

10:30-21:49

2 stops26h 19m

Boston Logan Intl

Tue 20/10

14:45-08:00

1 stop26h 15m

$1,726

Flights are sorted by cheapest return flights first.

Deals found on 25/6

Showing 1-10 of 16 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
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 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 29 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, January is the cheapest month in which you can book a flight from Sydney to Boston (average of $1,215). Flying from Sydney to Boston in July is currently the most expensive (average of $2,296). 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?

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated 28 June 2026.
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
8,456 reviews
Check prices

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.8

Crew

8.5

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
8,456 reviews
Delta
7.8
Good
8,456 reviews
Check prices

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.8

Crew

8.5

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
1,053 reviews
Delta
7.8
Good
8,456 reviews
Check prices

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.8

Crew

8.5

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
9,899 reviews
Delta
7.8
Good
8,456 reviews
Check prices

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.8

Crew

8.5

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
11,777 reviews
Delta
7.8
Good
8,456 reviews
Check prices

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.8

Crew

8.5

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
11,269 reviews
Delta
7.8
Good
8,456 reviews
Check prices

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.8

Crew

8.5

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

Find useful and relevant information for your journey from Sydney to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Sydney to Boston?

    United Airlines and Delta can get you from Sydney to Boston in just under 21h 51m. Your travel time can differ by up to 6h 51m. 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 $719. Additional round-trip tickets that might be worth considering are offered by Air Canada and United Airlines, with the lowest prices starting at $1,088 and $1,153, respectively. Users have found that Virgin Australia is 58% 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, January is the cheapest month in which you can book a flight from Sydney to Boston (average of $1,215). Flying from Sydney to Boston in July is currently the most expensive (average of $2,296). 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
Revere
Cambridge
Chestnut Hill

Browse thousands of different options on Cheapflights for your next trip

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Fly from Sydney to Boston on these airlines

Choose from the following airlines for your flight from Sydney to Boston. Flights are based on user searches made on Cheapflights and were last updated on 28 June 2026.
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 8 airlines flying from Sydney to Boston

Discover the top 8 airlines that operate flights from Sydney to Boston. 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 647,157 searches. Data last updated 28 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AustraliaCheapest$719Average$1,562FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Air CanadaCheapest$1,088Average$1,853FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,153Average$1,556FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$1,200Average$2,065FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Qantas AirwaysCheapest$1,235Average$1,936FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
American AirlinesCheapest$1,281Average$1,771FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air New ZealandCheapest$1,535Average$1,620FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Cathay PacificCheapest$1,796Average$2,311FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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