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.
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 |
Find flight deals from Sydney to Boston
Cheapest flights from Sydney to BostonExplore 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.
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.
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
Fly to
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
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
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
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
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
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
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
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
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
Wed 27/8
16:20-05:59
3 stops27h 39m
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
Fri 8/8
09:20-09:30
3 stops38h 10m
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.
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
Entertainment
Overall
Food
Boarding
Crew
Reviews
Myung Suk,May 2025
ICN - LAX
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
Myung Suk,May 2025
ICN - LAX
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
Myung Suk,May 2025
ICN - LAX
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
Myung Suk,May 2025
ICN - LAX
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
Myung Suk,May 2025
ICN - LAX
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
Myung Suk,May 2025
ICN - LAX
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.
Travelling to a place near Sydney?
Book flights to Sydney if you plan to visit one of these locationsBrowse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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.
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.