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Cheap flights from Sydney to Boston from $832

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 22/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BOS
14 Sep — 21 Sep1
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 15 August 2026.

Mon 17/809:10 -
2 stops25h 50m
Sun 30/814:32 -
2 stops26h 33m
Deal found 12/8$1,369
Tue 8/1211:20 -
2 stops38h 57m
Wed 23/1218:35 -
2 stops44h 20m
Deal found 10/8$1,399
Thu 22/1010:20 -
2 stops38h 30m
Mon 26/1005:45 -
2 stops35h 50m
Deal found 13/8$1,448
Mon 26/1010:20 -
2 stops38h 38m
Sat 31/1015:30 -
2 stops26h 05m
Deal found 14/8$1,482
Mon 17/809:10 -
2 stops24h 32m
Sun 30/815:59 -
2 stops25h 06m
Deal found 14/8$1,495
Fri 6/1111:20 -
2 stops38h 38m
Mon 9/1105:30 -
2 stops36h 05m
Deal found 10/8$1,607
Tue 8/1211:20 -
3 stops46h 22m
Tue 12/110:35 -
2 stops55h 00m
Deal found 10/8$1,612

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 15 August 2026.

Round-trip from

$1,399

One-way from

$832

Popular in

December

Cheapest in

January

Average price

$1,650
Air Canada
  • Air Canada
  • 8/12-23/12
  • 4 total stops
  • 83h 17m total
  • Sydney to Boston
Search Deals
22/10
  • 22/10
  • 3 total stops
  • 48h 44m total
  • Sydney to Boston
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($54 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 15 August 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
Fastest return journey

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Wed 9/9

09:15-19:05

2 stops23h 50m

Boston Logan Intl

Wed 16/9

16:30-06:50

1 stop24h 20m

$1,742

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Tue 8/12

13:20-18:55

1 stop21h 35m

Boston Logan Intl

Mon 18/1

11:45-06:20

2 stops26h 35m

$1,742

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 7/12

09:20-18:49

2 stops25h 29m

Boston Logan Intl

Mon 11/1

14:16-09:05

2 stops26h 49m

$1,756

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Tue 8/12

11:50-18:55

1 stop23h 05m

Boston Logan Intl

Thu 14/1

11:10-06:20

1 stop27h 10m

$1,812

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Wed 9/12

11:20-16:38

1 stop21h 18m

Boston Logan Intl

Fri 15/1

06:00-09:05

2 stops35h 05m

$1,812

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Sun 6/12

11:50-18:55

1 stop23h 05m

Boston Logan Intl

Sat 16/1

20:15-06:20

1 stop42h 05m

$1,812

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Wed 9/9

11:55-09:33

3 stops35h 38m

Boston Logan Intl

Wed 16/9

14:00-08:45

2 stops28h 45m

$1,964

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Sun 30/8

10:20-19:10

1 stop22h 50m

Boston Logan Intl

Sat 5/9

17:38-07:00

2 stops47h 22m

$1,995

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Tue 8/12

10:40-21:41

1 stop27h 01m

Boston Logan Intl

Sun 10/1

13:45-06:50

1 stop25h 05m

$2,083
Cheapest one-way

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Sun 30/8

09:15-09:03

2 stops37h 48m

$1,003

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Showing 1-10 of 14 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 52 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 $1,184). Flying from Sydney to Boston in December is currently the most expensive (average of $2,096). 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 $1,279 and $1,775 in December.
The cheapest return price found within the last 5 days was $1,399 on Air Canada (8 Dec–23 Dec).

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 15 August 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
8,508 reviews
Check prices

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Overall

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
8,508 reviews
Delta
7.8
Good
8,508 reviews
Check prices

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Overall

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
1,082 reviews
Delta
7.8
Good
8,508 reviews
Check prices

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Overall

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
10,111 reviews
Delta
7.8
Good
8,508 reviews
Check prices

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Overall

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
11,941 reviews
Delta
7.8
Good
8,508 reviews
Check prices

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Overall

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
11,478 reviews
Delta
7.8
Good
8,508 reviews
Check prices

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Overall

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

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?

    Delta and United Airlines can get you from Sydney to Boston in just under 21h 35m. Your travel time can differ by up to 2h 15m. 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 $701. Additional round-trip tickets that might be worth considering are offered by United Airlines and Air Canada, with the lowest prices starting at $1,066 and $1,121, 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 $1,184). Flying from Sydney to Boston in December is currently the most expensive (average of $2,096). 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

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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 15 August 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 6 airlines flying from Sydney to Boston

Discover the top 6 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 15 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AustraliaCheapest$701Average$1,523FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
United AirlinesCheapest$1,066Average$1,560FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$1,121Average$1,807FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapest$1,169Average$2,013FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Qantas AirwaysCheapest$1,237Average$1,765FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
American AirlinesCheapest$1,256Average$1,742FlexibilityNo cancel feeOn-time71%
Search American Airlines 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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