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Cheap flights from Sydney to Boston from $789

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BOS
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 16 January 2026.

Round-trip from

$1,614

One-way from

$789

Popular in

December

Cheapest in

October

Average price

$1,746
Air Canada
  • Air Canada
  • 4/5-18/5
  • 4 total stops
  • 93h 20m total
  • Sydney to Boston
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5/2
  • 5/2
  • 3 total stops
  • 29h 22m total
  • Sydney to Boston
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($47 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease ($50 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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Find 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 16 January 2026.

Mon 4/509:20
SYD
-
BOS
2 stops46h 25m
Air Canada
Mon 18/518:25
BOS
-
SYD
2 stops46h 55m
Air Canada
Deal found 13/1$1,614
Wed 13/509:20
SYD
-
BOS
2 stops46h 25m
Air Canada
Thu 28/505:50
BOS
-
SYD
2 stops35h 30m
Air Canada
Deal found 14/1$1,617
Thu 19/211:45
SYD
-
BOS
2 stops29h 04m
Air New Zealand
Mon 23/209:47
BOS
-
SYD
2 stops30h 58m
Air New Zealand
Deal found 14/1$1,629
Thu 30/409:10
SYD
-
BOS
1 stop21h 43m
Qantas Airways
Tue 12/517:00
BOS
-
SYD
1 stop24h 05m
Qantas Airways
Deal found 14/1$1,636
Thu 30/409:20
SYD
-
BOS
2 stops27h 18m
Air Canada
Tue 12/510:35
BOS
-
SYD
2 stops30h 45m
Air Canada
Deal found 15/1$1,638
Wed 25/211:20
SYD
-
BOS
1 stop27h 17m
Air Canada
Mon 18/510:35
BOS
-
SYD
2 stops30h 45m
Air Canada
Deal found 14/1$1,641
Mon 2/309:55
SYD
-
BOS
2 stops37h 26m
Air New Zealand
Mon 9/307:15
BOS
-
SYD
2 stops36h 15m
Air New Zealand
Deal found 15/1$1,645
Mon 15/609:20
SYD
-
BOS
2 stops46h 39m
Air Canada
Wed 1/715:35
BOS
-
SYD
2 stops25h 45m
Air Canada
Deal found 14/1$1,668
Mon 11/511:55
SYD
-
BOS
2 stops33h 41m
Air New Zealand
Fri 29/509:00
BOS
-
SYD
2 stops33h 45m
Air New Zealand
Deal found 13/1$1,671
Thu 14/509:20
SYD
-
BOS
2 stops46h 25m
Air Canada
Fri 29/518:25
BOS
-
SYD
2 stops46h 55m
Air Canada
Deal found 15/1$1,672

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 16 January 2026.
Use the filters below to find and compare flights from Sydney to Boston that are best for you.

Fly from

Sydney

Fly to

Boston

Route

Depart

Return

Price

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 30/4

09:20-22:38

2 stops27h 18m

Boston Logan Intl

Tue 12/5

10:35-07:20

2 stops30h 45m

$1,638

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 2/3

09:55-07:21

2 stops37h 26m

Boston Logan Intl

Mon 9/3

07:15-10:30

2 stops36h 15m

$1,645

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 30/4

11:55-16:11

3 stops42h 16m

Boston Logan Intl

Tue 12/5

12:20-08:45

3 stops30h 25m

$1,729

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 11/5

11:55-07:36

2 stops33h 41m

Boston Logan Intl

Sat 30/5

08:00-08:45

3 stops34h 45m

$1,732

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 2/3

11:20-18:40

1 stop23h 20m

Boston Logan Intl

Mon 9/3

17:20-09:00

1 stop24h 40m

$1,756

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 2/3

14:15-21:23

1 stop23h 08m

Boston Logan Intl

Mon 9/3

09:05-07:25

2 stops31h 20m

$1,759

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 26/2

12:10-21:47

1 stop25h 37m

Boston Logan Intl

Wed 20/5

18:00-06:55

1 stop22h 55m

$1,762

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 6/4

09:15-06:09

1 stop34h 54m

Boston Logan Intl

Mon 20/4

10:55-06:35

1 stop29h 40m

$1,762

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 26/2

11:50-20:11

2 stops24h 21m

Boston Logan Intl

Mon 18/5

17:55-07:00

1 stop23h 05m

$1,762

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 23/2

12:10-00:49

1 stop28h 39m

Boston Logan Intl

Sat 16/5

20:15-06:55

1 stop44h 40m

$1,762

Flights are sorted by cheapest return flights first.

Deals found on 13/1

Showing 1-10 of 23 results
1
2
3

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?

Use this chart to determine the optimal time to book a return flight from Sydney to Boston. Price data was last updated on 9 January 2026.

To ensure you get the cheapest price possible for a flight from Sydney to Boston, you should look to book at least 32 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 $939). Flying from Sydney to Boston in April is currently the most expensive (average of $1,671). 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.

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 16 January 2026.
Get a feel of what it's like to fly with Cathay Pacific, Virgin Australia, andQantas Airways 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.
Cathay Pacific
7.6
Good
1,132 reviews
Check prices

Overall

7.6

Crew

8.1

Entertainment

7.8

Comfort

7.6

Boarding

7.9

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
Cathay Pacific
7.6
Good
1,132 reviews
Cathay Pacific
7.6
Good
1,132 reviews
Check prices

Overall

7.6

Crew

8.1

Entertainment

7.8

Comfort

7.6

Boarding

7.9

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
Virgin Australia
7.6
Good
430 reviews
Cathay Pacific
7.6
Good
1,132 reviews
Check prices

Overall

7.6

Crew

8.1

Entertainment

7.8

Comfort

7.6

Boarding

7.9

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
Qantas Airways
7.5
Good
971 reviews
Cathay Pacific
7.6
Good
1,132 reviews
Check prices

Overall

7.6

Crew

8.1

Entertainment

7.8

Comfort

7.6

Boarding

7.9

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
United Airlines
7.4
Good
9,163 reviews
Cathay Pacific
7.6
Good
1,132 reviews
Check prices

Overall

7.6

Crew

8.1

Entertainment

7.8

Comfort

7.6

Boarding

7.9

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
Air Canada
7.1
Good
10,625 reviews
Cathay Pacific
7.6
Good
1,132 reviews
Check prices

Overall

7.6

Crew

8.1

Entertainment

7.8

Comfort

7.6

Boarding

7.9

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.

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?

    Air Canada, Air New Zealand, and American Airlines can get you from Sydney to Boston in just under 23h 20m. Your travel time can differ by up to 14h 06m. 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 $741. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and Air Canada, with the lowest prices starting at $956 and $1,185, respectively. Users have found that Virgin Australia is 60% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Sydney to Boston one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $741. However, be on the lookout for offers from Qantas Airways and Cathay Pacific, as they are both options that can get you from Sydney to Boston for a low price.

  • 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 $939). Flying from Sydney to Boston in April is currently the most expensive (average of $1,671). 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
Revere
Cambridge

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 16 January 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 10 airlines flying from Sydney to Boston

Discover the top 10 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 16 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AustraliaCheapest$741Average$1,699FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Hawaiian AirlinesCheapest$956Average$1,505FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Air CanadaCheapest$1,185Average$1,793FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,189Average$1,789FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$1,237Average$1,677FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$1,320Average$1,845FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air New ZealandCheapest$1,569Average$1,671FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Qantas AirwaysCheapest$1,572Average$2,078FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Cathay PacificCheapest$1,840Average$2,237FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Japan AirlinesCheapest$1,863Average$1,952FlexibilityNo cancel feeOn-time79%
Search Japan 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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