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Cheap flights from Sydney to Boston from $815

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BOS
7 Jul — 14 Jul1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Boston Logan Intl are usually found in February or March, booked 32 days in advance, depart on a Sunday or Monday and return on a Tuesday

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 2 July 2025.

Round-trip from

$1,492

One-way from

$847

Popular in

December

Cheapest in

February

Average price

$2,153
Alaska Airlines
  • Alaska Airlines
  • 14/8-21/8
  • 4 total stops
  • 57h 12m total
  • Sydney to Boston
27/8
  • 27/8
  • 2 total stops
  • 39h 20m total
  • Sydney to Boston
Highest demand for flights based on searches. 8% potential increase in price ($281 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease ($63 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Sydney to Boston

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 2 July 2025.

Thu 14/821:40SYD - BOS
2 stops23h 50mAlaska Airlines
Thu 21/820:23BOS - SYD
2 stops33h 22mAlaska Airlines
Deal found 29/6$1,492
Thu 14/821:40SYD - BOS
2 stops23h 50mHawaiian Airlines
Thu 21/808:00BOS - SYD
1 stop45h 45mHawaiian Airlines
Deal found 29/6$1,514
Wed 15/1017:20SYD - BOS
1 stop27h 40mMultiple Airlines
Thu 23/1009:20BOS - SYD
2 stops31h 10mMultiple Airlines
Deal found 1/7$1,695
Sat 9/809:55SYD - BOS
2 stops35h 38mAir New Zealand
Sun 24/807:30BOS - SYD
2 stops35h 15mAir New Zealand
Deal found 30/6$1,700
Mon 11/809:10SYD - BOS
1 stop22h 07mQantas Airways
Sat 30/808:01BOS - SYD
1 stop33h 04mQantas Airways
Deal found 30/6$1,796
Fri 1/809:30SYD - BOS
1 stop21h 48mUnited Airlines
Sat 16/814:00BOS - SYD
1 stop26h 55mUnited Airlines
Deal found 30/6$1,800
Mon 11/809:25SYD - BOS
2 stops27h 49mDelta
Sat 30/813:08BOS - SYD
2 stops27h 27mDelta
Deal found 30/6$1,802
Tue 2/909:20SYD - BOS
2 stops38h 35mAir Canada
Sun 7/910:20BOS - SYD
2 stops31h 00mAir Canada
Deal found 1/7$1,820

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 2 July 2025.
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 14/8

21:40-07:30

2 stops23h 50m

Boston Logan Intl

Thu 21/8

20:23-19:45

2 stops33h 22m

$1,492

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 14/8

21:40-07:30

2 stops23h 50m

Boston Logan Intl

Thu 21/8

08:00-19:45

1 stop45h 45m

$1,514

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 15/10

17:20-06:00

1 stop27h 40m

Boston Logan Intl

Thu 23/10

09:20-07:30

2 stops31h 10m

$1,695

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Sat 9/8

09:55-07:33

2 stops35h 38m

Boston Logan Intl

Sun 24/8

07:30-08:45

2 stops35h 15m

$1,700

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 11/8

09:10-17:17

1 stop22h 07m

Boston Logan Intl

Sat 30/8

08:01-07:05

1 stop33h 04m

$1,796

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Fri 1/8

09:30-19:53

2 stops24h 23m

Boston Logan Intl

Sat 16/8

15:25-07:00

2 stops25h 35m

$1,800

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 11/8

09:25-23:14

2 stops27h 49m

Boston Logan Intl

Sat 30/8

13:08-06:35

2 stops27h 27m

$1,802

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Tue 2/9

09:20-09:55

2 stops38h 35m

Boston Logan Intl

Sun 7/9

10:20-07:20

2 stops31h 00m

$1,820

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 27/8

16:20-05:59

3 stops27h 39m

$815

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Fri 8/8

09:20-09:30

3 stops38h 10m

$1,001

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Showing 1-10 of 18 results
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?

Use this chart to determine the optimal time to book a return flight from Sydney to Boston. Price data was last updated on 27 June 2025.

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, February is the cheapest month in which you can book a flight from Sydney to Boston (average of $1,183). Flying from Sydney to Boston in December is currently the most expensive (average of $1,631). 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.

What is the cheapest time of day to fly from SYD to BOS?

Find hourly flight availability from Sydney to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 July 2025.

When flying from Sydney to Boston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 9% versus a flight in the morning.

What is the cheapest day to fly from Sydney to Boston?

Use this chart to determine the cheapest time to fly return from Sydney to Boston. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Sydney to Boston flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 2 July 2025.
Get a feel of what it's like to fly with Korean Air, Emirates, andAlaska 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.

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
8.0
Very Good

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

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

    Flying on Alaska Airlines is currently your cheapest option to Boston, with prices starting at $1,492. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and Air New Zealand, with the lowest prices starting at $1,514 and $1,700, respectively. Users have found that Alaska Airlines is 28% 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 Air Canada, with whom users have recently found tickets for as low as $1,001. However, be on the lookout for offers from Delta and Qantas Airways, 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, February is the cheapest month in which you can book a flight from Sydney to Boston (average of $1,183). Flying from Sydney to Boston in December is currently the most expensive (average of $1,631). 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 Sydney?

Book flights to Sydney if you plan to visit one of these locations
Revere
Cambridge

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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 2 July 2025.

Top 9 airlines flying from Sydney to Boston

Discover the top 9 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 2 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$979Average$1,678FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Virgin AustraliaCheapest$1,317Average$2,472FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
United AirlinesCheapest$1,367Average$2,092FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air New ZealandCheapest$1,503Average$1,730FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Air CanadaCheapest$1,562Average$1,928FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest$1,566Average$1,944FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Qantas AirwaysCheapest$1,679Average$2,048FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Japan AirlinesCheapest$1,791Average$2,089FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Cathay PacificCheapest$1,888Average$2,272FlexibilityNo 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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