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 21/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BOS
9 Jan — 16 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Sydney Kingsford Smith to Boston Logan Intl are usually found in October or November, booked 46 days in advance, depart on a Sunday or Monday and return on a Tuesday
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 10 December 2025.
Thu 25/1211:20SYD - BOS
2 stops24h 22mAir Canada
Thu 8/110:15BOS - SYD
2 stops31h 20mAir Canada
Deal found 9/12$1,812
Thu 25/1211:20SYD - BOS
3 stops38h 12mMultiple Airlines
Thu 8/115:15BOS - SYD
2 stops26h 20mMultiple Airlines
Deal found 9/12$1,966
Thu 25/1211:20SYD - BOS
2 stops38h 12mAir Canada
Wed 31/1216:35BOS - SYD
2 stops46h 20mAir Canada
Deal found 7/12$1,969
Fri 26/1211:20SYD - BOS
2 stops38h 12mAir Canada
Sat 31/118:55BOS - SYD
2 stops46h 40mAir Canada
Deal found 7/12$2,109
Thu 11/1211:20SYD - BOS
2 stops24h 22mAir Canada
Sun 4/106:15BOS - SYD
2 stops35h 20mAir Canada
Deal found 9/12$2,180
Best flights from Sydney to Boston
Discover carefully curated flight deals from Sydney to Boston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 December 2025.
Tue 7/409:20SYD - BOS
2 stops46h 41mAir Canada
Wed 22/418:40BOS - SYD
3 stops46h 40mAir Canada
Deal found 9/12$1,615
Fri 23/111:45SYD - BOS
2 stops27h 35mAir New Zealand
Mon 26/111:42BOS - SYD
2 stops32h 58mAir New Zealand
Deal found 7/12$1,737
Wed 21/107:05SYD - BOS
2 stops24h 24mQantas Airways
Wed 28/112:11BOS - SYD
2 stops27h 49mQantas Airways
Deal found 7/12$1,755
Tue 7/409:30SYD - BOS
2 stops26h 18mUnited Airlines
Wed 22/418:00BOS - SYD
1 stop22h 55mUnited Airlines
Deal found 9/12$1,779
Tue 28/409:20SYD - BOS
2 stops44h 36mAir Canada
Sat 2/518:20BOS - SYD
3 stops71h 00mAir Canada
Deal found 7/12$1,704
Mon 6/410:20SYD - BOS
1 stop33h 57mUnited Airlines
Tue 21/418:00BOS - SYD
1 stop22h 55mUnited Airlines
Deal found 8/12$1,782
Mon 26/111:20SYD - BOS
3 stops46h 30mAir Canada
Sat 31/113:00BOS - SYD
2 stops52h 35mAir Canada
Deal found 9/12$1,793
Sun 5/409:30SYD - BOS
1 stop35h 52mUnited Airlines
Mon 20/411:17BOS - SYD
2 stops29h 38mUnited Airlines
Deal found 7/12$1,857
Mon 26/111:20SYD - BOS
2 stops48h 22mAir Canada
Fri 30/118:40BOS - SYD
3 stops46h 55mAir Canada
Deal found 8/12$1,868
Last-minute flights from Sydney to Boston
Discover last-minute flight deals from Sydney to Boston. Data last updated 10 December 2025 and is based on user searches.
Thu 25/1211:20SYD - BOS
2 stops24h 22mAir Canada
Thu 8/110:15BOS - SYD
2 stops31h 20mAir Canada
Deal found 9/12$1,812
Thu 22/108:20SYD - BOS
2 stops28h 38mQantas Airways
Thu 29/111:00BOS - SYD
1 stop30h 00mQantas Airways
Deal found 8/12$1,874
Fri 23/106:05SYD - BOS
2 stops27h 15mQantas Airways
Fri 30/119:00BOS - SYD
2 stops46h 20mQantas Airways
Deal found 9/12$1,645
Mon 26/109:55SYD - BOS
2 stops37h 26mAir New Zealand
Sun 1/207:05BOS - SYD
2 stops33h 40mAir New Zealand
Deal found 9/12$1,594
Mon 26/111:20SYD - BOS
2 stops48h 22mAir Canada
Sun 1/218:40BOS - SYD
3 stops46h 55mAir Canada
Deal found 9/12$1,616
Mon 26/111:20SYD - BOS
2 stops48h 22mAir Canada
Sat 31/118:55BOS - SYD
2 stops46h 40mAir Canada
Deal found 9/12$1,746
Mon 26/121:30SYD - BOS
2 stops33h 59mMultiple Airlines
Sun 1/208:00BOS - SYD
1 stop33h 00mMultiple Airlines
Deal found 9/12$1,779
Mon 26/111:20SYD - BOS
2 stops48h 22mAir Canada
Fri 30/118:40BOS - SYD
3 stops46h 55mAir Canada
Deal found 9/12$1,865
One-way flights from Sydney to Boston
Search for one-way flight options from Sydney to Boston. Find affordable one-way fares based on user searches. Data last updated 10 December 2025.
Wed 21/106:20SYD - BOS
2 stops27h 00mMultiple Airlines
Deal found 7/12$810
Sun 18/106:20SYD - BOS
2 stops27h 00mMultiple Airlines
Deal found 8/12$824
Tue 14/421:15SYD - BOS
3 stops55h 40mMultiple Airlines
Deal found 7/12$1,076
Tue 14/409:20SYD - BOS
2 stops38h 32mAir Canada
Deal found 7/12$1,082
Sat 21/310:45SYD - BOS
3 stops43h 25mMultiple Airlines
Deal found 8/12$1,140
Wed 21/111:20SYD - BOS
1 stop21h 01mQantas Airways
Deal found 7/12$1,146
Sat 21/309:30SYD - BOS
2 stops27h 42mQantas Airways
Deal found 8/12$1,158
Mon 13/413:15SYD - BOS
3 stops40h 37mMultiple Airlines
Deal found 7/12$1,164
Mon 13/409:25SYD - BOS
1 stop24h 13mDelta
Deal found 7/12$1,167
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 10 December 2025.
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 10 December 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
Tue 7/4
09:20-18:01
2 stops46h 41m
Boston Logan Intl
Wed 22/4
18:40-07:20
3 stops46h 40m
$1,615
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
Tue 28/4
09:20-15:56
2 stops44h 36m
Boston Logan Intl
Sat 2/5
18:20-07:20
3 stops71h 00m
$1,704
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
Fri 23/1
11:45-23:20
2 stops27h 35m
Boston Logan Intl
Mon 26/1
11:42-12:40
2 stops32h 58m
$1,737
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
Wed 21/1
07:05-15:29
2 stops24h 24m
Boston Logan Intl
Wed 28/1
12:11-08:00
2 stops27h 49m
$1,755
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
Tue 7/4
09:30-21:48
2 stops26h 18m
Boston Logan Intl
Wed 22/4
18:00-06:55
1 stop22h 55m
$1,779
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
Mon 6/4
10:20-06:17
1 stop33h 57m
Boston Logan Intl
Tue 21/4
18:00-06:55
1 stop22h 55m
$1,782
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
Mon 26/1
11:20-17:50
3 stops46h 30m
Boston Logan Intl
Sat 31/1
13:00-09:35
2 stops52h 35m
$1,793
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
Sun 5/4
09:30-07:22
1 stop35h 52m
Boston Logan Intl
Mon 20/4
11:17-06:55
2 stops29h 38m
$1,857
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
Mon 26/1
11:20-19:42
2 stops48h 22m
Boston Logan Intl
Fri 30/1
18:40-09:35
3 stops46h 55m
$1,868
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
Wed 21/1
06:20-17:20
2 stops27h 00m
$810
Flights are sorted by cheapest return flights first.
Deals found on 7/12
Showing 1-10 of 17 results
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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
Prices
More
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 5 December 2025.
To ensure you get the cheapest price possible for a flight from Sydney to Boston, you should look to book at least 46 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 $954). Flying from Sydney to Boston in April is currently the most expensive (average of $1,597). 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 10 December 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 8% versus a flight in the morning.
How much does it cost for a return flight from Sydney to Boston?
What’s the top stopover airport for flights from Sydney to Boston?
Share of one-stop return flights from Sydney to Boston chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Los Angeles (LAX) – chosen by Cheapflights users on 52% of one-stop itineraries from Sydney to Boston on Cheapflights.
What’s the cheapest stopover airport for flights from Sydney to Boston?
Average return fare for one-stop flights from Sydney to Boston, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Honolulu (HNL) is the most affordable one-stop option, with an average return flight price of $1,516.
What’s the fastest stopover option from Sydney to Boston?
Shortest average travel time for one-stop one-way flights from Sydney to Boston, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Dallas (DFW) have the shortest average one-way travel time for one-stop routes: 21h 05m.
Which airport typically offers the quickest stopover for flights from Sydney to Boston?
Average stopover duration for one-stop one-way flights from Sydney to Boston, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Dallas (DFW) offer the fastest connection on this route, with an average stopover time of 1h 52m.
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 10 December 2025.
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.
Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
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 and Air New Zealand can get you from Sydney to Boston in just under 27h 35m. Your travel time can differ by up to 19h 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 $747. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and Air Canada, with the lowest prices starting at $963 and $1,195, respectively. Users have found that Virgin Australia is 61% 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 $747. 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 $954). Flying from Sydney to Boston in April is currently the most expensive (average of $1,597). 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.
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 10 December 2025.
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 10 December 2025.
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 10 December 2025.
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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