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Cheap flights from Sydney to Boston from $758

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BOS
18 jun — 25 jun1
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 13 junho 2025.

Round-trip from

$1,500

One-way from

$1,033

Popular in

December

Cheapest in

February

Average price

$2,200
Alaska Airlines
  • Alaska Airlines
  • 31/7-14/8
  • 3 total stops
  • 55h 46m total
  • Sydney to Boston
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4/9
  • 4/9
  • 2 total stops
  • 42h 27m total
  • Sydney to Boston
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($311 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease ($63 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
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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 13 junho 2025.

dom 15/621:40SYD - BOS
1 stop22h 20mHawaiian Airlines
ter 1/708:00BOS - SYD
1 stop45h 45mHawaiian Airlines
Deal found 10/6$1,422
ter 29/721:40SYD - BOS
2 stops40h 19mAlaska Airlines
ter 19/820:19BOS - SYD
2 stops33h 26mAlaska Airlines
Deal found 10/6$1,497
qua 30/716:20SYD - BOS
2 stops27h 16mMultiple Airlines
ter 19/808:00BOS - SYD
1 stop40h 40mMultiple Airlines
Deal found 11/6$1,686
qua 8/1009:55SYD - BOS
2 stops26h 43mAir New Zealand
qui 23/1015:45BOS - SYD
2 stops26h 00mAir New Zealand
Deal found 10/6$1,772
ter 19/809:20SYD - BOS
2 stops40h 08mAir Canada
qui 28/818:20BOS - SYD
3 stops71h 00mAir Canada
Deal found 12/6$1,773
qua 30/709:25SYD - BOS
1 stop24h 00mDelta
seg 18/816:35BOS - SYD
1 stop24h 00mDelta
Deal found 12/6$1,778
qui 20/1122:20SYD - BOS
1 stop39h 40mCathay Pacific
sáb 22/1100:30BOS - SYD
1 stop28h 20mCathay Pacific
Deal found 11/6$1,811
sex 1/810:20SYD - BOS
2 stops22h 58mUnited Airlines
sáb 16/815:25BOS - SYD
2 stops25h 30mUnited Airlines
Deal found 12/6$1,813
qua 15/1010:10SYD - BOS
1 stop28h 18mQantas Airways
sex 31/1008:00BOS - SYD
1 stop34h 00mQantas Airways
Deal found 12/6$1,927
dom 22/608:55SYD - BOS
2 stops46h 22mJapan Airlines
dom 6/707:10BOS - SYD
2 stops33h 10mJapan Airlines
Deal found 10/6$1,931

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 13 junho 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

ter 29/7

21:40-23:59

2 stops40h 19m

Boston Logan Intl

ter 19/8

20:19-19:45

2 stops33h 26m

$1,497

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

dom 17/8

21:40-06:00

1 stop22h 20m

Boston Logan Intl

ter 2/9

08:00-19:45

1 stop45h 45m

$1,538

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

qua 30/7

16:20-05:36

2 stops27h 16m

Boston Logan Intl

ter 19/8

08:00-14:40

1 stop40h 40m

$1,686

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

ter 18/11

11:20-20:18

2 stops24h 58m

Boston Logan Intl

ter 25/11

10:20-09:35

3 stops31h 15m

$1,741

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

qua 8/10

09:55-21:38

2 stops26h 43m

Boston Logan Intl

qui 23/10

15:45-08:45

2 stops26h 00m

$1,772

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

qua 30/7

09:25-19:19

2 stops23h 54m

Boston Logan Intl

dom 17/8

15:25-06:35

2 stops25h 10m

$1,778

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

qui 20/11

22:20-22:00

1 stop39h 40m

Boston Logan Intl

sáb 22/11

00:30-20:50

1 stop28h 20m

$1,811

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

sex 1/8

10:20-19:18

2 stops22h 58m

Boston Logan Intl

sáb 16/8

15:25-06:55

2 stops25h 30m

$1,813

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

ter 18/11

11:15-16:41

1 stop21h 26m

Boston Logan Intl

ter 25/11

12:15-09:00

1 stop28h 45m

$1,821

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

dom 22/6

08:55-17:17

2 stops46h 22m

Boston Logan Intl

dom 6/7

07:10-06:20

2 stops33h 10m

$1,931

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Showing 1-10 of 25 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 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 13 junho 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.

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boston ranges from 78.0 - 101.0 inches per month. March is typically the wettest month, when rainfall can reach 101.0 mm. July is typically the driest time to visit Boston when rainfall is around 78.0 mm.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

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 13 junho 2025.
Read reviews from past customers who have flown Korean Air, Japan Airlines and Singapore Airlines from Sydney to Boston. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,091 reviews
Check prices

Food

8.1

Entertainment

8.2

Overall

8.4

Boarding

8.5

Comfort

8.3

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.
Korean Air
8.4
Very Good
1,091 reviews
Korean Air
8.4
Very Good
1,091 reviews
Check prices

Food

8.1

Entertainment

8.2

Overall

8.4

Boarding

8.5

Comfort

8.3

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.
Japan Airlines
8.3
Very Good
1,490 reviews
Korean Air
8.4
Very Good
1,091 reviews
Check prices

Food

8.1

Entertainment

8.2

Overall

8.4

Boarding

8.5

Comfort

8.3

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.
Singapore Airlines
8.1
Very Good
1,304 reviews
Korean Air
8.4
Very Good
1,091 reviews
Check prices

Food

8.1

Entertainment

8.2

Overall

8.4

Boarding

8.5

Comfort

8.3

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.
Delta
8.0
Very Good
7,950 reviews
Korean Air
8.4
Very Good
1,091 reviews
Check prices

Food

8.1

Entertainment

8.2

Overall

8.4

Boarding

8.5

Comfort

8.3

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.
Air New Zealand
8.0
Very Good
483 reviews
Korean Air
8.4
Very Good
1,091 reviews
Check prices

Food

8.1

Entertainment

8.2

Overall

8.4

Boarding

8.5

Comfort

8.3

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 $1,500. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and Air Canada, with the lowest prices starting at $1,650 and $1,741, respectively. Users have found that Alaska Airlines is 29% 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 Delta, with whom users have recently found tickets for as low as $1,084. However, be on the lookout for offers from United Airlines 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

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 13 junho 2025.
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 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 13 junho 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$988Average$1,790FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Virgin AustraliaCheapest$1,339Average$2,619FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
United AirlinesCheapest$1,380Average$2,168FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air New ZealandCheapest$1,517Average$1,746FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Air CanadaCheapest$1,577Average$1,940FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest$1,636Average$1,975FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Qantas AirwaysCheapest$1,701Average$2,123FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Japan AirlinesCheapest$1,808Average$2,197FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Cathay PacificCheapest$2,000Average$2,280FlexibilityNo 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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