Flights from Boston to Sydney

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
Pay attention to transfer at connecting flight
Outbound
09/23/25
3 Stopovers (YYZ, YVR, HNL)
AC0767, AC0109, WS1864, JQ0004
42h 40min
Return
09/30/25
3 Stopovers (BNE, YVR, YUL)
JQ0810, AC0036, AC0304, AC8614
29h 22min
Air Canada, Westjet, Jetstar Airways
$1,063
Best option
Boston
Sydney
Outbound
09/23/25
1 Stopover (DFW)
AA1438, QF0008
28h 14min
Return
09/30/25
1 Stopover (LAX)
QF0011, AA2453
27h 02min
American Airlines, Qantas Airways ?
$1,237
Boston
Sydney
Outbound
09/04/25
2 Stopovers (IAH, AKL)
NZ6401, NZ0029, NZ0101
25h 14min
Return
09/28/25
2 Stopovers (AKL, LAX)
NZ0102, NZ0006, NZ9441
36h 55min
Air New Zealand
$1,261
Boston
Sydney
Outbound
11/03/25
2 Stopovers (SFO, MNL)
UA1008, UA0809, 5J0039
34h 45min
Return
11/12/25
1 Stopover (IAH)
UA0100, UA1076
27h 30min
United Airlines, CEBU Pacific Air ?
$1,108
Boston
Sydney
Outbound
11/03/25
3 Stopovers (BWI, LAX, NAN)
NK0935, NK1912, FJ0811, FJ0911
33h 05min
Return
11/12/25
2 Stopovers (YVR, YUL)
AC0034, AC0306, AC8604
38h 18min
Spirit Airlines, Fiji Airways
$1,182
Boston
Sydney
Outbound
09/04/25
2 Stopovers (LAX, AKL)
B60387, NZ0005, NZ0101
28h 00min
Return
09/28/25
2 Stopovers (AKL, LAX)
NZ0104, NZ0006, B60988
33h 15min
JetBlue Airways, Air New Zealand ?
$1,197
Boston
Sydney
Outbound
09/19/25
2 Stopovers (LAX, NAN)
DL0479, FJ0811, FJ0911
39h 15min
Return
09/29/25
2 Stopovers (NAN, LAX)
FJ0910, FJ0810, DL0507
30h 43min
Delta Air Lines, Fiji Airways ?
$1,202
Boston
Sydney
Outbound
09/19/25
2 Stopovers (YUL, YVR)
AC0753, AC0311, AC0033
26h 00min
Return
09/29/25
2 Stopovers (YVR, YUL)
AC0034, AC0304, AC8614
26h 50min
Air Canada ?
$1,227
Boston
Sydney
Outbound
09/19/25
2 Stopovers (YUL, YVR)
AC0753, AC0311, AC0033
26h 00min
Return
09/29/25
2 Stopovers (YVR, YUL)
AC0034, AC0314, AC8614
50h 50min
Air Canada
$1,235
Boston
Sydney
Outbound
11/03/25
2 Stopovers (LAX, NAN)
AA2473, FJ0811, FJ0911
32h 15min
Return
11/12/25
2 Stopovers (NAN, LAX)
FJ0910, FJ0810, AA0382
24h 58min
American Airlines, Fiji Airways ?
$1,241
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 $1,062.17
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