Flight Routes 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
Boston
Sydney
Outbound
06/25/26
1 Stopover (YYZ)
AC0767, AC0033
36h 10min
Return
06/30/26
2 Stopovers (YVR, YYZ)
AC0034, AC0104, AC0772
23h 02min
Air Canada
$1,354
Best option
Boston
Sydney
Outbound
06/25/26
1 Stopover (YYZ)
AC0767, AC0033
36h 10min
Return
06/30/26
1 Stopover (YYZ)
AC0034, AC0764
27h 18min
Air Canada ?
$1,381
Boston
Sydney
Outbound
06/25/26
2 Stopovers (DXB, BKK)
EK0238, EK0384, EK5151
41h 20min
Return
06/30/26
1 Stopover (DXB)
EK0415, EK0237
46h 10min
Emirates Airline
$2,214
Boston
Sydney
Outbound
06/25/26
2 Stopovers (YYZ, YVR)
AC0767, AC0033, AC0033
36h 10min
Return
06/30/26
2 Stopovers (YVR, YYZ)
AC0034, AC0104, AC0772
23h 02min
Air Canada ?
$1,399
Boston
Sydney
Outbound
06/25/26
2 Stopovers (YYZ, YVR)
AC0767, AC0105, AC0033
36h 10min
Return
06/30/26
2 Stopovers (YVR, YYZ)
AC0034, AC0114, AC0766
38h 33min
Air Canada
$1,461
Boston
Sydney
Outbound
06/25/26
2 Stopovers (IAD, LAX)
UA0721, UA2276, UA0839
26h 45min
Return
06/30/26
2 Stopovers (LAX, SFO)
UA0842, UA0562, UA1372
25h 51min
United Airlines ?
$1,711
Boston
Sydney
Outbound
06/25/26
1 Stopover (AUH)
EY0008, EY0450
47h 45min
Return
06/30/26
1 Stopover (LAX)
QF4111, QF3235
21h 29min
Etihad Airways
$2,040
Boston
Sydney
Outbound
06/25/26
3 Stopovers (EWR, LAX, HNL)
UA1307, UA2191, AS0854, AS0851
43h 20min
Return
06/30/26
2 Stopovers (LAX, DFW)
AA0072, AA1186, AA2306
27h 04min
United Airlines, Alaska Airlines ?
$2,057
Boston
Sydney
Outbound
06/25/26
2 Stopovers (ORD, HND)
AA1239, JL0009, JL0051
31h 43min
Return
06/30/26
2 Stopovers (HND, JFK)
JL0052, JL0004, AA4634
28h 06min
American Airlines, Japan Airlines
$2,336
Boston
Sydney
Outbound
06/25/26
2 Stopovers (ORD, HKG)
CX7594, CX0801, CX0181
33h 44min
Return
06/30/26
1 Stopover (HKG)
CX0100, CX0812
47h 00min
Cathay Pacific Airways ?
$2,989
Prices based on recent searches, subject to last-minute changes
Page 1 / 1

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 1.353,89 $
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