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
Outbound
10/10/25
1 Stopover (LAX)
UA1851, UA0839
47h 36min
Return
11/04/25
2 Stopovers (YVR, YUL)
AC0034, AC0304, AC8612
24h 58min
United Airlines ?
$1,352
Boston
Sydney
Outbound
10/10/25
2 Stopovers (LAX, AKL)
NZ9451, NZ0005, NZ0101
34h 15min
Return
11/04/25
2 Stopovers (AKL, LAX)
NZ0102, NZ0006, NZ9441
37h 23min
Air New Zealand
$1,393
Best option
Boston
Sydney
Outbound
10/10/25
1 Stopover (DXB)
EK0238, EK0416
28h 15min
Return
11/04/25
1 Stopover (DXB)
EK0415, EK0237
47h 55min
Emirates Airline
$1,740
Boston
Sydney
Outbound
10/10/25
2 Stopovers (SEA, LAX)
AS0459, AS1144, AA0073
33h 45min
Return
11/04/25
2 Stopovers (LAX, SEA)
AA0072, AS0798, AS0460
28h 44min
Alaska Airlines, American Airlines ?
$1,415
Boston
Sydney
Outbound
10/10/25
1 Stopover (LAX)
UA1851, UA0839
47h 36min
Return
11/04/25
2 Stopovers (IAH, EWR)
UA0100, UA2608, UA1386
27h 27min
United Airlines ?
$1,442
Boston
Sydney
Outbound
10/10/25
1 Stopover (LAX)
NZ9451, NZ9839
33h 30min
Return
11/04/25
2 Stopovers (AKL, LAX)
NZ0102, NZ0004, NZ9441
37h 23min
Air New Zealand
$1,539
Boston
Sydney
Outbound
10/10/25
1 Stopover (DOH)
QR0744, QR0908
29h 10min
Return
11/04/25
1 Stopover (DOH)
QR0909, QR0743
32h 15min
Qatar Airways
$2,061
Boston
Sydney
Outbound
10/10/25
1 Stopover (NRT, HND)
JL0007, JL0051
27h 00min
Return
11/04/25
2 Stopovers (HND, JFK, LGA)
JL0052, JL0004, AA4367
38h 08min
Japan Airlines
$2,211
Boston
Sydney
Outbound
10/10/25
2 Stopovers (SFO, HND)
NH7003, NH0107, NH0889
47h 15min
Return
11/04/25
2 Stopovers (HND, IAD)
NH0890, NH7028, NH7104
46h 19min
ANA All Nippon Airways ?
$2,611
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 1.351,50 $
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