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
21 dic — 28 dic1
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 21 novembre 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 21 novembre 2025.
gio 25/1211:20SYD - BOS
2 stops38h 12mAir Canada
dom 28/1218:40BOS - SYD
3 stops70h 55mAir Canada
Deal found 20/11$1,924
ven 21/1115:15SYD - BOS
1 stop46h 45mCathay Pacific
mer 26/1100:30BOS - SYD
1 stop28h 20mCathay Pacific
Deal found 20/11$2,256
ven 21/1115:50SYD - BOS
1 stop38h 05mQatar Airways
gio 27/1120:45BOS - SYD
1 stop42h 05mQatar Airways
Deal found 20/11$2,262
ven 21/1115:50SYD - BOS
1 stop38h 05mMultiple Airlines
gio 27/1118:40BOS - SYD
2 stops46h 55mMultiple Airlines
Deal found 20/11$2,292
gio 25/1212:10SYD - BOS
2 stops22h 38mUnited Airlines
dom 4/109:30BOS - SYD
2 stops28h 50mUnited Airlines
Deal found 20/11$2,530
lun 1/1211:20SYD - BOS
2 stops25h 18mAmerican Airlines
lun 15/1214:24BOS - SYD
2 stops26h 36mAmerican Airlines
Deal found 20/11$2,679
gio 25/1216:00SYD - BOS
2 stops33h 32mMultiple Airlines
dom 28/1215:40BOS - SYD
1 stop46h 55mMultiple Airlines
Deal found 20/11$2,709
lun 1/1211:20SYD - BOS
1 stop34h 58mQantas Airways
lun 15/1208:14BOS - SYD
1 stop32h 46mQantas Airways
Deal found 20/11$2,794
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 21 novembre 2025.
sab 31/106:05SYD - BOS
2 stops33h 25mQantas Airways
dom 8/216:19BOS - SYD
2 stops27h 56mQantas Airways
Deal found 19/11$1,537
mer 18/310:20SYD - BOS
2 stops38h 12mAir Canada
gio 2/405:30BOS - SYD
3 stops35h 50mAir Canada
Deal found 19/11$1,615
dom 8/212:10SYD - BOS
1 stop21h 03mUnited Airlines
lun 23/217:50BOS - SYD
1 stop23h 25mUnited Airlines
Deal found 20/11$1,860
gio 15/110:40SYD - BOS
1 stop26h 43mDelta
gio 29/112:55BOS - SYD
2 stops25h 55mDelta
Deal found 20/11$1,860
mar 10/206:05SYD - BOS
2 stops27h 15mQantas Airways
ven 20/207:15BOS - SYD
2 stops34h 35mQantas Airways
Deal found 20/11$1,707
gio 5/311:20SYD - BOS
2 stops38h 12mAir Canada
lun 9/310:15BOS - SYD
2 stops31h 20mAir Canada
Deal found 20/11$1,724
ven 13/206:30SYD - BOS
2 stops24h 37mQantas Airways
gio 19/209:00BOS - SYD
2 stops36h 00mQantas Airways
Deal found 20/11$1,707
dom 8/206:05SYD - BOS
2 stops27h 15mQantas Airways
ven 20/209:00BOS - SYD
2 stops32h 50mQantas Airways
Deal found 20/11$1,707
ven 13/206:05SYD - BOS
2 stops25h 02mQantas Airways
ven 20/207:15BOS - SYD
2 stops34h 35mQantas Airways
Deal found 20/11$1,707
dom 8/207:05SYD - BOS
2 stops24h 24mQantas Airways
gio 19/209:00BOS - SYD
2 stops33h 55mQantas Airways
Deal found 20/11$1,707
mer 14/114:05SYD - BOS
1 stop21h 54mQantas Airways
mer 28/117:20BOS - SYD
1 stop23h 40mQantas Airways
Deal found 19/11$2,023
Last-minute flights from Sydney to Boston
Discover last-minute flight deals from Sydney to Boston. Data last updated 21 novembre 2025 and is based on user searches.
ven 21/1115:15SYD - BOS
1 stop46h 45mCathay Pacific
mer 26/1100:30BOS - SYD
1 stop28h 20mCathay Pacific
Deal found 20/11$2,256
ven 21/1115:50SYD - BOS
1 stop38h 05mQatar Airways
gio 27/1120:45BOS - SYD
1 stop42h 05mQatar Airways
Deal found 20/11$2,262
ven 21/1115:50SYD - BOS
1 stop38h 05mMultiple Airlines
gio 27/1118:40BOS - SYD
2 stops46h 55mMultiple Airlines
Deal found 20/11$2,292
lun 1/1211:20SYD - BOS
2 stops25h 18mAmerican Airlines
lun 15/1214:24BOS - SYD
2 stops26h 36mAmerican Airlines
Deal found 20/11$2,679
lun 1/1211:20SYD - BOS
1 stop34h 58mQantas Airways
lun 15/1208:14BOS - SYD
1 stop32h 46mQantas Airways
Deal found 20/11$2,794
gio 25/1211:20SYD - BOS
2 stops38h 12mAir Canada
dom 28/1218:40BOS - SYD
3 stops70h 55mAir Canada
Deal found 20/11$1,924
gio 25/1212:10SYD - BOS
2 stops22h 38mUnited Airlines
dom 4/109:30BOS - SYD
2 stops28h 50mUnited Airlines
Deal found 20/11$2,530
gio 25/1216:00SYD - BOS
2 stops33h 32mMultiple Airlines
dom 28/1215:40BOS - SYD
1 stop46h 55mMultiple Airlines
Deal found 20/11$2,709
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 21 novembre 2025.
mer 21/106:20SYD - BOS
3 stops32h 17mMultiple Airlines
Deal found 18/11$802
dom 18/106:20SYD - BOS
3 stops27h 42mMultiple Airlines
Deal found 20/11$822
ven 16/106:20SYD - BOS
3 stops27h 42mMultiple Airlines
Deal found 18/11$824
ven 16/107:05SYD - BOS
2 stops26h 15mQantas Airways
Deal found 18/11$845
sab 17/121:55SYD - BOS
2 stops40h 00mQantas Airways
Deal found 19/11$847
mer 14/120:10SYD - BOS
2 stops35h 19mQantas Airways
Deal found 18/11$848
lun 23/206:30SYD - BOS
2 stops24h 37mQantas Airways
Deal found 19/11$853
dom 11/121:20SYD - BOS
2 stops35h 53mMultiple Airlines
Deal found 18/11$977
dom 14/1206:20SYD - BOS
2 stops24h 31mMultiple Airlines
Deal found 19/11$981
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 21 novembre 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
sab 31/1
06:05-23:30
2 stops33h 25m
Boston Logan Intl
dom 8/2
16:19-12:15
2 stops27h 56m
$1,537
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
mer 18/3
10:20-09:32
2 stops38h 12m
Boston Logan Intl
gio 2/4
05:30-08:20
3 stops35h 50m
$1,615
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
mar 10/2
06:05-17:20
2 stops27h 15m
Boston Logan Intl
ven 20/2
07:15-09:50
2 stops34h 35m
$1,707
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
ven 13/2
06:30-15:07
2 stops24h 37m
Boston Logan Intl
gio 19/2
09:00-13:00
2 stops36h 00m
$1,707
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
dom 8/2
06:05-17:20
2 stops27h 15m
Boston Logan Intl
ven 20/2
09:00-09:50
2 stops32h 50m
$1,707
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
ven 13/2
06:05-15:07
2 stops25h 02m
Boston Logan Intl
ven 20/2
07:15-09:50
2 stops34h 35m
$1,707
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
dom 8/2
07:05-15:29
2 stops24h 24m
Boston Logan Intl
gio 19/2
09:00-10:55
2 stops33h 55m
$1,707
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
gio 5/3
11:20-09:32
2 stops38h 12m
Boston Logan Intl
lun 9/3
10:15-08:35
2 stops31h 20m
$1,724
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
dom 8/2
12:10-17:13
1 stop21h 03m
Boston Logan Intl
lun 23/2
17:50-09:15
1 stop23h 25m
$1,860
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
gio 15/1
10:40-21:23
1 stop26h 43m
Boston Logan Intl
gio 29/1
12:55-06:50
2 stops25h 55m
$1,860
Flights are sorted by cheapest return flights first.
Deals found on 20/11
Showing 1-10 of 21 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 14 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 $981). Flying from Sydney to Boston in April is currently the most expensive (average of $1,649). 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 21 novembre 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 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 Friday at midday when fares are most often at their lowest. Sunday at midday 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?
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 49% 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 $1,773.
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 21 novembre 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?
Qantas Airways and Air Canada can get you from Sydney to Boston in just under 33h 25m. Your travel time can differ by up to 4h 47m. 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 $988. Additional round-trip tickets that might be worth considering are offered by Virgin Australia and Air Canada, with the lowest prices starting at $1,061 and $1,271, 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 $981). Flying from Sydney to Boston in April is currently the most expensive (average of $1,649). 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 21 novembre 2025.
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 21 novembre 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 21 novembre 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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