Flights from Boston to Sydney

Trip type

Our cheapest offers for flights from Boston to Sydney

Here you can compare cheap flights from Boston (BOS) to Sydney (SYD) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Sydney. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
Boston
Sydney
Outbound
03/28/26
1 Stopover (SFO)
UA0341, UA0863
44h 55min
Return
04/25/26
1 Stopover (LAX)
UA0842, UA2210
35h 53min
United Airlines ?
$1,260
Boston
Sydney
Outbound
04/03/26
1 Stopover (IST)
TK0082, TK0174
31h 25min
Return
04/16/26
1 Stopover (IST)
TK0175, TK0081
36h 45min
Turkish Airlines
$1,475
Boston
Sydney
Outbound
04/03/26
2 Stopovers (YUL, YVR)
AC8605, AC0305, AC0033
30h 45min
Return
04/16/26
2 Stopovers (YVR, YUL)
AC0034, AC0304, AC8612
26h 07min
Air Canada ?
$1,331
Boston
Sydney
Outbound
04/03/26
2 Stopovers (YUL, YVR)
AC8607, AC0303, AC0033
49h 45min
Return
04/16/26
2 Stopovers (YVR, YUL)
AC0034, AC0306, AC8604
38h 32min
Air Canada
$1,395
Boston
Sydney
Outbound
03/28/26
1 Stopover (DOH)
QR0744, QR8401
42h 35min
Return
04/25/26
3 Stopovers (NAN, LAX, DTW)
FJ0910, FJ0810, NK0986, NK3020
32h 42min
Qatar Airways
$1,395
Boston
Sydney
Outbound
04/03/26
1 Stopover (IST)
TK0082, TK0174
31h 25min
Return
04/16/26
1 Stopover (IST)
TK0175, TK0081
36h 45min
Turkish Airlines ?
$1,444
Boston
Sydney
Outbound
04/03/26
2 Stopovers (YUL, YVR)
AC8605, AC0305, AC0033
30h 45min
Return
04/16/26
2 Stopovers (LAX, EWR)
UA0842, UA2096, UA2693
24h 33min
Air Canada ?
$1,444
Boston
Sydney
Outbound
03/28/26
1 Stopover (SFO)
UA0341, UA0863
44h 55min
Return
04/25/26
1 Stopover (LAX)
UA0842, UA2210
35h 53min
United Airlines ?
$1,480
Boston
Sydney
Outbound
03/28/26
1 Stopover (LAX)
QF3004, QF4112
44h 44min
Return
04/25/26
3 Stopovers (YVR, YYZ, YUL)
AC0034, AC0034, AC0426, AC0748
38h 29min
Qantas Airways ?
$1,563
Boston
Sydney
Outbound
03/28/26
2 Stopovers (YUL, YVR)
AC8605, AC0305, AC0033
31h 05min
Return
04/25/26
1 Stopover (YYZ)
AC0034, AC8690
38h 36min
Air Canada ?
$1,614
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Boston to Sydney

Favorite airline: e.g. American Airlines, Air Canada
The favorite airline for flights from Boston to Sydney is American Airlines.
American Airlines
20 %
Air Canada
20 %
Air New Zealand
16 %
Favourite connection: via Los Angeles
62 % of booked tickets on this route are for flights with a transfer in Los Angeles.
Route
bookings
1 stopover Los Angeles International Airport, CA
22h 55min, from $ 1.328
62 %
2 stopovers New York - John F. Kennedy International Airport, NY Tokyo-Haneda International Airport
31h 16min, from $ 1.596
25 %
2 stopovers San Francisco International Airport, CA Auckland
35h 30min, from $ 1.376
12 %

Important flight information

Flight information: Boston - Sydney

Roundtrip from $ 1.259,20
Distance 16269 km
Departure airport Airport Boston Logan International Airport, MA (BOS)
Arrival airport Airport Sydney-Kingsford Smith International Airport, NSW (SYD)
Destination country Flights to Australia
Alternative flights to Sydney
Flight destinations with a similar price
Flight destinations with a similar price