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
22 Jan — 29 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 23 December 2025.
Thu 25/1216:00SYD - BOS
2 stops33h 32mAir Canada
Thu 8/110:15BOS - SYD
2 stops31h 20mAir Canada
Deal found 22/12$1,542
Thu 25/1211:20SYD - BOS
2 stops38h 12mMultiple Airlines
Thu 8/115:15BOS - SYD
2 stops26h 20mMultiple Airlines
Deal found 21/12$1,948
Mon 29/1216:00SYD - BOS
2 stops33h 32mAir Canada
Thu 15/113:00BOS - SYD
2 stops25h 55mAir Canada
Deal found 21/12$2,063
Thu 25/1211:20SYD - BOS
1 stop21h 49mQantas Airways
Thu 8/108:00BOS - SYD
2 stops36h 30mQantas Airways
Deal found 21/12$2,589
Thu 25/1211:20SYD - BOS
2 stops23h 12mAmerican Airlines
Thu 8/108:00BOS - SYD
1 stop31h 25mAmerican Airlines
Deal found 22/12$2,720
Mon 29/1210:40SYD - BOS
2 stops29h 44mDelta
Thu 15/117:30BOS - SYD
1 stop23h 00mDelta
Deal found 21/12$2,726
Tue 23/1221:55SYD - BOS
2 stops39h 25mQantas Airways
Tue 30/1217:59BOS - SYD
1 stop23h 01mQantas Airways
Deal found 22/12$3,165
Tue 23/1222:20SYD - BOS
1 stop39h 40mCathay Pacific
Mon 29/1200:30BOS - SYD
1 stop38h 45mCathay Pacific
Deal found 22/12$3,202
Tue 23/1210:40SYD - BOS
2 stops24h 15mDelta
Tue 30/1211:29BOS - SYD
2 stops27h 21mDelta
Deal found 22/12$3,285
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 23 December 2025.
Tue 10/211:20SYD - BOS
2 stops24h 22mAir Canada
Sat 21/215:35BOS - SYD
2 stops26h 00mAir Canada
Deal found 22/12$1,659
Tue 10/206:20SYD - BOS
3 stops27h 42mMultiple Airlines
Sat 21/205:30BOS - SYD
3 stops60h 05mMultiple Airlines
Deal found 22/12$1,754
Wed 15/410:20SYD - BOS
1 stop20h 53mUnited Airlines
Tue 28/416:50BOS - SYD
2 stops48h 05mUnited Airlines
Deal found 22/12$1,772
Wed 15/409:15SYD - BOS
2 stops27h 21mDelta
Tue 28/420:30BOS - SYD
1 stop44h 05mDelta
Deal found 22/12$1,773
Thu 19/310:25SYD - BOS
2 stops26h 02mAir Canada
Sat 18/410:35BOS - SYD
2 stops30h 45mAir Canada
Deal found 21/12$1,670
Sun 19/409:20SYD - BOS
2 stops38h 32mAir Canada
Mon 4/518:25BOS - SYD
3 stops46h 55mAir Canada
Deal found 21/12$1,695
Sat 14/211:20SYD - BOS
2 stops38h 12mAir Canada
Sat 21/210:15BOS - SYD
2 stops31h 20mAir Canada
Deal found 20/12$1,715
Sat 18/409:20SYD - BOS
2 stops38h 32mAir Canada
Tue 21/405:30BOS - SYD
2 stops35h 50mAir Canada
Deal found 21/12$1,761
Last-minute flights from Sydney to Boston
Discover last-minute flight deals from Sydney to Boston. Data last updated 23 December 2025 and is based on user searches.
Thu 25/1216:00SYD - BOS
2 stops33h 32mAir Canada
Thu 8/110:15BOS - SYD
2 stops31h 20mAir Canada
Deal found 22/12$1,542
Thu 25/1211:20SYD - BOS
2 stops38h 12mMultiple Airlines
Thu 8/115:15BOS - SYD
2 stops26h 20mMultiple Airlines
Deal found 21/12$1,948
Mon 29/1216:00SYD - BOS
2 stops33h 32mAir Canada
Thu 15/113:00BOS - SYD
2 stops25h 55mAir Canada
Deal found 21/12$2,063
Mon 26/111:20SYD - BOS
2 stops23h 39mAmerican Airlines
Mon 9/215:50BOS - SYD
2 stops25h 10mAmerican Airlines
Deal found 22/12$1,743
Mon 26/111:20SYD - BOS
2 stops27h 35mBritish Airways
Mon 9/217:20BOS - SYD
1 stop23h 40mBritish Airways
Deal found 22/12$1,746
Mon 26/111:20SYD - BOS
1 stop35h 05mQantas Airways
Sat 28/216:39BOS - SYD
2 stops29h 46mQantas Airways
Deal found 21/12$1,783
Mon 26/111:20SYD - BOS
2 stops38h 12mAir Canada
Mon 9/218:40BOS - SYD
3 stops46h 55mAir Canada
Deal found 22/12$1,832
Mon 26/111:20SYD - BOS
2 stops48h 22mAir Canada
Sat 28/218:40BOS - SYD
3 stops46h 55mAir Canada
Deal found 21/12$1,876
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 23 December 2025.
Sun 18/107:05SYD - BOS
2 stops39h 20mQantas Airways
Deal found 22/12$983
Fri 6/313:50SYD - BOS
2 stops42h 01mMultiple Airlines
Deal found 21/12$1,007
Tue 24/317:30SYD - BOS
2 stops27h 19mQantas Airways
Deal found 21/12$1,024
Tue 10/311:45SYD - BOS
2 stops34h 26mAir New Zealand
Deal found 22/12$1,030
Tue 10/321:50SYD - BOS
3 stops56h 20mMultiple Airlines
Deal found 22/12$1,033
Mon 23/221:50SYD - BOS
3 stops56h 20mMultiple Airlines
Deal found 22/12$1,045
Thu 7/509:20SYD - BOS
2 stops38h 25mAir Canada
Deal found 21/12$1,061
Thu 7/510:15SYD - BOS
3 stops42h 40mMultiple Airlines
Deal found 21/12$1,111
Fri 6/311:20SYD - BOS
3 stops38h 12mAir Canada
Deal found 21/12$1,114
Thu 7/509:10SYD - BOS
1 stop21h 44mQantas Airways
Deal found 21/12$1,144
Tue 10/311:20SYD - BOS
1 stop33h 29mQantas Airways
Deal found 22/12$1,146
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 23 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 23 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 10/2
11:20-19:42
2 stops24h 22m
Boston Logan Intl
Sat 21/2
15:35-09:35
2 stops26h 00m
$1,659
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
Thu 19/3
10:25-21:27
2 stops26h 02m
Boston Logan Intl
Sat 18/4
10:35-07:20
2 stops30h 45m
$1,670
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
Sun 19/4
09:20-09:52
2 stops38h 32m
Boston Logan Intl
Mon 4/5
18:25-07:20
3 stops46h 55m
$1,695
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
Sat 14/2
11:20-09:32
2 stops38h 12m
Boston Logan Intl
Sat 21/2
10:15-09:35
2 stops31h 20m
$1,715
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
Tue 10/2
06:20-18:02
3 stops27h 42m
Boston Logan Intl
Sat 21/2
05:30-09:35
3 stops60h 05m
$1,754
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
Sat 18/4
09:20-09:52
2 stops38h 32m
Boston Logan Intl
Tue 21/4
05:30-07:20
2 stops35h 50m
$1,761
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
Wed 15/4
10:20-17:13
1 stop20h 53m
Boston Logan Intl
Tue 28/4
16:50-06:55
2 stops48h 05m
$1,772
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
Wed 15/4
09:15-22:36
2 stops27h 21m
Boston Logan Intl
Tue 28/4
20:30-06:35
1 stop44h 05m
$1,773
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
Sun 18/1
07:05-06:25
2 stops39h 20m
$983
SydneyBoston
SYD - BOS
SYDBOS
Sydney Kingsford Smith
Fri 6/3
13:50-15:51
2 stops42h 01m
$1,007
Flights are sorted by cheapest return flights first.
Deals found on 22/12
Showing 1-10 of 19 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 19 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 $953). Flying from Sydney to Boston in April is currently the most expensive (average of $1,627). 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 23 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.
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 53% 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 $1,515.
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 47m.
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 23 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 can get you from Sydney to Boston in just under 24h 22m. Your travel time can differ by up to . Sydney and Boston are separated by a distance of 16240 km.
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 $1,194, 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 $953). Flying from Sydney to Boston in April is currently the most expensive (average of $1,627). 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 23 December 2025.
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 23 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 23 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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