This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BOS
8 Dec — 15 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheap flight deals from Sydney to Boston
Enter your travel dates to find the best prices.
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Best
Last-minute
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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 8 November 2026.
Thu 12/1111:10 -
2 stops38h 28m
Mon 16/1115:00 -
2 stops26h 00m
Deal found 2/11$1,444
Mon 9/1110:40 -
2 stops27h 05m
Mon 23/1113:37 -
2 stops26h 53m
Deal found 3/11$1,623
Mon 9/1110:40 -
2 stops24h 10m
Sun 22/1106:05 -
2 stops34h 25m
Deal found 5/11$1,694
Wed 11/1111:50 -
2 stops27h 45m
Thu 26/1113:32 -
1 stop25h 28m
Deal found 5/11$1,761
Sun 8/1111:20 -
1 stop21h 33m
Sat 21/1117:17 -
2 stops48h 03m
Deal found 5/11$1,764
Sun 8/1110:40 -
2 stops30h 40m
Sat 21/1114:59 -
2 stops25h 31m
Deal found 5/11$1,836
Fri 13/1111:10 -
1 stop36h 37m
Mon 16/1117:58 -
1 stop44h 57m
Deal found 7/11$1,869
Thu 12/1122:20 -
1 stop39h 40m
Sun 15/1100:30 -
1 stop28h 20m
Deal found 3/11$1,926
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 8 November 2026.
Tue 2/310:40 -
1 stop21h 33m
Wed 17/306:00 -
2 stops34h 20m
Deal found 3/11$1,623
Mon 1/209:20 -
2 stops24h 07m
Fri 12/220:17 -
1 stop45h 03m
Deal found 3/11$1,687
Thu 4/311:20 -
1 stop21h 06m
Fri 19/314:15 -
2 stops29h 05m
Deal found 5/11$1,777
Wed 3/311:50 -
3 stops37h 26m
Thu 18/311:24 -
3 stops30h 11m
Deal found 4/11$2,226
Mon 25/111:50 -
1 stop21h 08m
Thu 11/209:35 -
2 stops31h 30m
Deal found 3/11$1,694
Fri 5/310:40 -
2 stops27h 52m
Sat 20/309:30 -
2 stops30h 50m
Deal found 7/11$1,806
Tue 2/307:30 -
3 stops45h 11m
Wed 17/313:45 -
2 stops27h 50m
Deal found 3/11$2,272
Thu 4/311:50 -
3 stops28h 54m
Fri 19/313:45 -
2 stops29h 50m
Deal found 5/11$2,377
Fri 5/309:55 -
3 stops29h 28m
Sat 20/317:46 -
2 stops26h 19m
Deal found 6/11$2,428
Wed 3/208:00 -
2 stops30h 00m
Wed 3/200:30 -
2 stops46h 35m
Deal found 7/11$2,697
Mon 1/214:05 -
2 stops33h 15m
Fri 12/209:10 -
3 stops31h 25m
Deal found 3/11$2,722
Last-minute flights from Sydney to Boston
Discover last-minute flight deals from Sydney to Boston. Data last updated 8 November 2026 and is based on user searches.
Sun 8/1111:20 -
1 stop21h 33m
Sat 21/1117:17 -
2 stops48h 03m
Deal found 5/11$1,764
Sun 8/1110:40 -
2 stops30h 40m
Sat 21/1114:59 -
2 stops25h 31m
Deal found 5/11$1,836
Mon 9/1110:40 -
2 stops27h 05m
Mon 23/1113:37 -
2 stops26h 53m
Deal found 3/11$1,623
Mon 9/1110:40 -
2 stops24h 10m
Sun 22/1106:05 -
2 stops34h 25m
Deal found 5/11$1,694
Wed 11/1110:40 -
2 stops25h 09m
Thu 26/1110:10 -
2 stops30h 20m
Deal found 5/11$1,761
Thu 12/1111:10 -
2 stops38h 28m
Mon 16/1115:00 -
2 stops26h 00m
Deal found 2/11$1,444
Thu 12/1122:20 -
1 stop39h 40m
Sun 15/1100:30 -
1 stop28h 20m
Deal found 3/11$1,926
Fri 13/1111:10 -
1 stop36h 37m
Mon 16/1117:58 -
1 stop44h 57m
Deal found 7/11$1,869
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 8 November 2026.
Wed 20/114:55 -
3 stops30h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/11$758
Tue 26/114:00 -
3 stops31h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/11$763
Mon 1/214:00 -
3 stops31h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/11$764
Tue 2/214:00 -
3 stops31h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/11$773
Fri 5/214:00 -
3 stops31h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/11$805
Tue 26/113:35 -
1 stop32h 29m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/11$911
Wed 20/110:40 -
1 stop21h 18m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/11$923
Mon 1/211:10 -
2 stops26h 46m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/11$924
Thu 26/1110:40 -
1 stop34h 48m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/11$926
Mon 15/311:20 -
1 stop22h 31m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/11$927
Mon 15/311:20 -
1 stop22h 31m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/11$932
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 8 November 2026.
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 7,457,451 searches. Data last updated 8 November 2026.
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
Cheapest return flight
SydneyBoston
SYD Sydney Kingsford Smith - BOS Boston Logan Intl
SYDBOS
Sydney Kingsford Smith
Tue 26/1
13:35-06:04
1 stop32h 29m
Boston Logan Intl
Wed 31/12
00:00-15:00
Nonstop0h 00m
$911
Fastest return journey
SydneyBoston
SYD Sydney Kingsford Smith - BOS Boston Logan Intl
SYDBOS
Sydney Kingsford Smith
Mon 8/2
10:40-15:58
1 stop21h 18m
Boston Logan Intl
Wed 31/12
00:00-15:00
Nonstop0h 00m
$923
SydneyBoston
SYD Sydney Kingsford Smith - BOS Boston Logan Intl
SYDBOS
Sydney Kingsford Smith
Wed 20/1
10:40-23:49
2 stops29h 09m
Boston Logan Intl
Wed 31/12
00:00-15:00
Nonstop0h 00m
$923
SydneyBoston
SYD Sydney Kingsford Smith - BOS Boston Logan Intl
SYDBOS
Sydney Kingsford Smith
Wed 3/2
11:10-23:56
2 stops28h 46m
Boston Logan Intl
Wed 31/12
00:00-15:00
Nonstop0h 00m
$924
SydneyBoston
SYD Sydney Kingsford Smith - BOS Boston Logan Intl
SYDBOS
Sydney Kingsford Smith
Mon 16/11
10:40-23:59
1 stop29h 19m
Boston Logan Intl
Wed 31/12
00:00-15:00
Nonstop0h 00m
$958
SydneyBoston
SYD Sydney Kingsford Smith - BOS Boston Logan Intl
SYDBOS
Sydney Kingsford Smith
Mon 16/11
11:20-23:59
3 stops28h 39m
Boston Logan Intl
Wed 31/12
00:00-15:00
Nonstop0h 00m
$972
SydneyBoston
SYD Sydney Kingsford Smith - BOS Boston Logan Intl
SYDBOS
Sydney Kingsford Smith
Tue 2/3
10:40-16:13
1 stop21h 33m
Boston Logan Intl
Wed 17/3
06:00-07:20
2 stops34h 20m
$1,623
SydneyBoston
SYD Sydney Kingsford Smith - BOS Boston Logan Intl
SYDBOS
Sydney Kingsford Smith
Mon 1/2
09:20-17:27
2 stops24h 07m
Boston Logan Intl
Fri 12/2
20:17-09:20
1 stop45h 03m
$1,687
SydneyBoston
SYD Sydney Kingsford Smith - BOS Boston Logan Intl
SYDBOS
Sydney Kingsford Smith
Mon 25/1
11:50-16:58
1 stop21h 08m
Boston Logan Intl
Thu 11/2
09:35-09:05
2 stops31h 30m
$1,694
SydneyBoston
SYD Sydney Kingsford Smith - BOS Boston Logan Intl
SYDBOS
Sydney Kingsford Smith
Thu 4/3
11:20-16:26
1 stop21h 06m
Boston Logan Intl
Fri 19/3
14:15-10:20
2 stops29h 05m
$1,777
Flights are sorted by cheapest return flights first.
Deals found on 7/11
Showing 1-10 of 17 resultsSorted by cheapest first
1
2
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.
SYD-BOS
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?
To ensure you get the cheapest price possible for a flight from Sydney to Boston, you should look to book at least 12 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, November is the cheapest month in which you can book a flight from Sydney to Boston (average of $1,616). Flying from Sydney to Boston in December is currently the most expensive (average of $2,172). 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.
How much does it cost for a return flight from Sydney to Boston?
Airfare is below average for this route at the moment.
Sydney to Boston flights typically cost between $1,505 and $1,927 in February.The cheapest return price found within the last 5 days was $1,473 on Qantas Airways (3 Feb–4 Feb).
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 66% 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.
Houston (IAH) is the most affordable one-stop option, with an average return flight price of $1,615.
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 Houston (IAH) have the shortest average one-way travel time for one-stop routes: 21h 06m.
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 Houston (IAH) offer the fastest connection on this route, with an average stopover time of 1h 29m.
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 8 November 2026.
Get a feel of what it's like to fly with Delta,Qantas Airways, andUnited 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.
Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
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?
Delta, United Airlines, and Qantas Airways can get you from Sydney to Boston in just under 21h 06m. Your travel time can differ by up to 3h 01m. 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 American Airlines is currently your cheapest option to Boston, with prices starting at $1,318. Additional round-trip tickets that might be worth considering are offered by Virgin Australia and Air Canada, with the lowest prices starting at $1,321 and $1,325, respectively. Users have found that American Airlines is 28% 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 American Airlines, with whom users have recently found tickets for as low as $836. However, be on the lookout for offers from United Airlines and Qantas Airways, 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, November is the cheapest month in which you can book a flight from Sydney to Boston (average of $1,616). Flying from Sydney to Boston in December is currently the most expensive (average of $2,172). 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
Woburn
Watertown
Brookline
Cambridge
Chestnut Hill
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 8 November 2026.
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 8 November 2026.
Discover the top 6 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 7,457,451 searches. Data last updated 8 November 2026.
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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