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	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 10/18/25 2 Stopovers (LAX, AKL) NZ9452, NZ0003, NZ0101 30h 00min	Return 11/17/25 2 Stopovers (AKL, LAX) NZ0106, NZ0006, NZ9441 33h 23min	Air New Zealand		$1,321
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 09/23/25 2 Stopovers (YUL, YVR) AC8609, AC0311, AC0033 26h 00min	Return 09/30/25 2 Stopovers (YVR, YUL) AC0034, AC0304, AC8614 26h 02min	Air Canada	?	$1,233
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
Boston Sydney	Outbound 09/23/25 2 Stopovers (YYZ, YVR) AC0769, AC0115, AC0033 30h 40min	Return 09/30/25 3 Stopovers (YVR, YYZ, YUL) AC0034, AC0034, AC0424, AC0748 38h 15min	Air Canada	?	$1,247
Boston Sydney	Outbound 09/23/25 2 Stopovers (SFO, NAN) AS0356, FJ0871, FJ0911 49h 22min	Return 09/30/25 1 Stopover (SFO) UA0870, UA1372 27h 36min	Alaska Airlines, Fiji Airways	?	$1,260
Boston Sydney	Outbound 11/03/25 2 Stopovers (IAH, AKL) NZ6400, NZ0029, NZ0101 25h 25min	Return 11/12/25 2 Stopovers (AKL, SFO) NZ0102, NZ0008, NZ9010 27h 45min	Air New Zealand	?	$1,281

Tips and tricks to help you find cheap flights from Boston to Sydney

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

Flight Los Angeles - Sydney from $ 717
Flight San Francisco - Sydney from $ 854
Flight Honolulu - Sydney from $ 1.124
Flight New York - Sydney from $ 1.174
Flight Atlanta - Sydney from $ 819
Flight Orlando - Sydney from $ 1.248
Flight New York - Sydney from $ 1.174
Flight Tampa - Sydney from $ 1.155
Flight Louisville - Sydney from $ 1.174

Flight destinations with a similar price

Flight Boston - Shanghai Pudong from $ 957
Flight Boston - Beijing International from $ 957
Flight Boston - Beijing from $ 957