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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BOS
27 joulu — 3 tammi1
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 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 27 marraskuu 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 27 marraskuu 2025.
ma 8/1216:00SYD - BOS
2 stops38h 52mAir Canada
ti 16/1205:30BOS - SYD
2 stops33h 25mAir Canada
Deal found 26/11$1,339
to 11/1211:20SYD - BOS
3 stops38h 12mAir Canada
ma 15/1215:40BOS - SYD
2 stops47h 15mAir Canada
Deal found 25/11$1,348
ma 8/1216:00SYD - BOS
2 stops38h 52mAir Canada
su 14/1210:15BOS - SYD
2 stops31h 20mAir Canada
Deal found 26/11$1,414
ti 9/1211:20SYD - BOS
2 stops27h 17mAir Canada
ti 16/1205:30BOS - SYD
2 stops33h 25mAir Canada
Deal found 25/11$1,424
ke 10/1211:20SYD - BOS
3 stops46h 30mAir Canada
ti 16/1205:30BOS - SYD
3 stops36h 05mAir Canada
Deal found 25/11$1,478
ti 9/1211:20SYD - BOS
3 stops46h 30mAir Canada
su 14/1215:40BOS - SYD
2 stops25h 55mAir Canada
Deal found 26/11$1,542
ma 8/1211:20SYD - BOS
1 stop22h 11mAmerican Airlines
ti 16/1212:00BOS - SYD
1 stop29h 00mAmerican Airlines
Deal found 26/11$1,576
ke 10/1211:20SYD - BOS
1 stop26h 59mAmerican Airlines
su 14/1218:25BOS - SYD
1 stop45h 00mAmerican Airlines
Deal found 26/11$1,587
to 11/1214:05SYD - BOS
2 stops23h 17mAmerican Airlines
ke 17/1213:50BOS - SYD
2 stops25h 05mAmerican Airlines
Deal found 26/11$1,597
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 27 marraskuu 2025.
to 12/310:25SYD - BOS
2 stops38h 07mAir Canada
ma 16/316:35BOS - SYD
2 stops49h 00mAir Canada
Deal found 26/11$1,508
to 12/311:20SYD - BOS
2 stops25h 52mAmerican Airlines
ma 16/321:25BOS - SYD
1 stop44h 35mAmerican Airlines
Deal found 26/11$1,587
to 11/1217:45SYD - BOS
1 stop29h 29mQantas Airways
ke 17/1214:28BOS - SYD
1 stop24h 27mQantas Airways
Deal found 26/11$1,660
to 12/311:05SYD - BOS
1 stop26h 55mCathay Pacific
su 15/301:30BOS - SYD
1 stop28h 20mCathay Pacific
Deal found 25/11$2,236
ke 10/1210:40SYD - BOS
1 stop45h 43mDelta
ma 15/1217:45BOS - SYD
1 stop22h 45mDelta
Deal found 25/11$2,279
to 25/1211:20SYD - BOS
1 stop21h 32mUnited Airlines
to 1/108:00BOS - SYD
1 stop30h 20mUnited Airlines
Deal found 26/11$2,294
to 11/1214:05SYD - BOS
2 stops23h 17mAmerican Airlines
ke 17/1213:50BOS - SYD
2 stops25h 05mAmerican Airlines
Deal found 26/11$1,597
la 6/1209:10SYD - BOS
2 stops38h 04mQantas Airways
pe 12/1214:28BOS - SYD
1 stop24h 27mQantas Airways
Deal found 25/11$2,435
Last-minute flights from Sydney to Boston
Discover last-minute flight deals from Sydney to Boston. Data last updated 27 marraskuu 2025 and is based on user searches.
ma 8/1216:00SYD - BOS
2 stops38h 52mAir Canada
ti 16/1205:30BOS - SYD
2 stops33h 25mAir Canada
Deal found 26/11$1,339
ma 8/1216:00SYD - BOS
2 stops38h 52mAir Canada
su 14/1210:15BOS - SYD
2 stops31h 20mAir Canada
Deal found 26/11$1,414
ma 8/1211:20SYD - BOS
1 stop22h 11mAmerican Airlines
ti 16/1212:00BOS - SYD
1 stop29h 00mAmerican Airlines
Deal found 26/11$1,576
ti 9/1211:20SYD - BOS
2 stops27h 17mAir Canada
ma 15/1215:40BOS - SYD
2 stops47h 15mAir Canada
Deal found 25/11$1,424
ti 9/1211:20SYD - BOS
3 stops46h 30mAir Canada
ti 16/1205:30BOS - SYD
2 stops33h 25mAir Canada
Deal found 26/11$1,467
ti 9/1211:20SYD - BOS
3 stops46h 30mAir Canada
su 14/1215:40BOS - SYD
2 stops25h 55mAir Canada
Deal found 26/11$1,542
ke 10/1211:20SYD - BOS
3 stops46h 30mAir Canada
ti 16/1205:30BOS - SYD
3 stops36h 05mAir Canada
Deal found 25/11$1,478
ke 10/1211:20SYD - BOS
1 stop26h 59mAmerican Airlines
ke 17/1214:28BOS - SYD
1 stop24h 27mAmerican Airlines
Deal found 26/11$1,587
to 11/1211:20SYD - BOS
3 stops38h 12mAir Canada
ma 15/1215:40BOS - SYD
2 stops47h 15mAir Canada
Deal found 25/11$1,348
to 11/1214:05SYD - BOS
2 stops23h 17mAmerican Airlines
ke 17/1213:50BOS - SYD
2 stops25h 05mAmerican Airlines
Deal found 26/11$1,597
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 27 marraskuu 2025.
su 18/106:20SYD - BOS
3 stops29h 22mMultiple Airlines
Deal found 26/11$784
su 18/107:05SYD - BOS
2 stops24h 24mQantas Airways
Deal found 26/11$832
ke 10/1221:45SYD - BOS
3 stops42h 11mMultiple Airlines
Deal found 26/11$1,061
ti 24/310:20SYD - BOS
2 stops38h 12mAir Canada
Deal found 26/11$1,116
ti 24/311:20SYD - BOS
1 stop24h 15mQantas Airways
Deal found 26/11$1,142
ti 24/310:20SYD - BOS
3 stops28h 37mUnited Airlines
Deal found 25/11$1,173
ke 10/1211:05SYD - BOS
2 stops25h 43mQantas Airways
Deal found 26/11$1,184
ti 31/310:30SYD - BOS
2 stops41h 17mUnited Airlines
Deal found 25/11$1,215
la 13/1222:00SYD - BOS
3 stops41h 56mMultiple Airlines
Deal found 26/11$1,236
su 18/110:40SYD - BOS
1 stop21h 37mDelta
Deal found 26/11$1,264
ti 31/315:50SYD - BOS
1 stop38h 25mQatar Airways
Deal found 25/11$1,316
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 27 marraskuu 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
to 12/3
10:25-09:32
2 stops38h 07m
Boston Logan Intl
ma 16/3
16:35-08:35
2 stops49h 00m
$1,508
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
to 12/3
11:20-22:12
2 stops25h 52m
Boston Logan Intl
ma 16/3
21:25-09:00
1 stop44h 35m
$1,587
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
to 11/12
14:05-21:22
2 stops23h 17m
Boston Logan Intl
ke 17/12
13:50-06:55
2 stops25h 05m
$1,597
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
to 11/12
17:45-07:14
1 stop29h 29m
Boston Logan Intl
ke 17/12
14:28-06:55
1 stop24h 27m
$1,660
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
to 12/3
11:05-23:00
1 stop26h 55m
Boston Logan Intl
su 15/3
01:30-20:50
1 stop28h 20m
$2,236
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
ke 10/12
10:40-16:23
1 stop45h 43m
Boston Logan Intl
ma 15/12
17:45-08:30
1 stop22h 45m
$2,279
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
to 25/12
11:20-16:52
1 stop21h 32m
Boston Logan Intl
to 1/1
08:00-06:20
1 stop30h 20m
$2,294
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
la 6/12
09:10-07:14
2 stops38h 04m
Boston Logan Intl
pe 12/12
14:28-06:55
1 stop24h 27m
$2,435
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
su 18/1
06:20-19:42
3 stops29h 22m
$784
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
ke 10/12
21:45-23:56
3 stops42h 11m
$1,061
Flights are sorted by cheapest return flights first.
Deals found on 25/11
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 21 November 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, October is the cheapest month in which you can book a flight from Sydney to Boston (average of $976). Flying from Sydney to Boston in April is currently the most expensive (average of $1,640). 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 27 marraskuu 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.
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 51% 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 $1,547.
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 01m.
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 49m.
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 27 marraskuu 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, American Airlines, and Qantas Airways can get you from Sydney to Boston in just under 25h 52m. Your travel time can differ by up to 12h 15m. 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 Hawaiian Airlines is currently your cheapest option to Boston, with prices starting at $983. Additional round-trip tickets that might be worth considering are offered by Virgin Australia and Air Canada, with the lowest prices starting at $1,056 and $1,230, respectively. Users have found that Hawaiian Airlines is 50% cheaper than the other options available to this destination.
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 $976). Flying from Sydney to Boston in April is currently the most expensive (average of $1,640). 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 27 marraskuu 2025.
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 27 marraskuu 2025.
Browse through other flights departing from Sydney. Flights are based on user searches made on Cheapflights and were last updated on 27 marraskuu 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 27 marraskuu 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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