Cathay Pacific Boston to Sydney Flights

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Best Airfare Price Calendar Flights Schedule

Cheapflightsplus.com will find cheap Cathay Pacific flights from Boston to Sydney. Compare airline ticket prices and book air tickets starting from $1 059 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of Cathay Pacific, arrivals and departure details below.

Find Cheap Airfare Boston (MA) — Sydney by Cathay Pacific

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in february: one-way - $1059, two-way – $1816.

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Cheap Flights from Boston to Sydney by Cathay Pacific

Look at the list of plane tickets for the most connecting flights by Cathay Pacific, their prices start from $1 059. There’re no direct flights. The fastest connecting flight – 28h 20m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $1383 Find flight	0:30 am Boston Logan	12:00 pm+2 дня Sydney Kingsford Smith	43h 30m layover 18h 45m - Hong Kong	Cathay Pacific	CX811 CX101
from $1059 Find flight	0:30 am Boston Logan	6:15 am+2 дня Sydney Kingsford Smith	37h 45m layover 4h 50m - Hong Kong 6h 10m - Denpasar	Cathay Pacific	CX811 CX785 QF44

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 01/22/2025

Cathay Pacific Flight Schedule Boston to Sydney

Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.

Departure	Flight Details	Flight Time	Price
0:30 am — 6:15 am +2 days	0:30 am — 5:10 am CX811 Cathay Pacific Boston — Hong Kong 4h 50m stop 10:00 am — 3:10 pm CX785 Cathay Pacific Hong Kong — Denpasar 6h 10m stop 9:20 pm — 6:15 am QF44 Qantas Denpasar — Sydney	37h 45m including layover	Find flight from$1059
0:30 am — 12:00 pm +2 days	0:30 am — 5:10 am CX811 Cathay Pacific Boston — Hong Kong 18h 45m stop 11:55 pm — 12:00 pm CX101 Cathay Pacific Hong Kong — Sydney	43h 30m including layover	Find flight from$1383
0:30 am — 7:15 am +2 days	0:30 am — 5:10 am CX811 Cathay Pacific Boston — Hong Kong 14h stop 7:10 pm — 7:15 am CX111 Cathay Pacific Hong Kong — Sydney	38h 45m including layover	Find flight from$1383
0:30 am — 9:35 am +2 days	0:30 am — 5:10 am CX811 Cathay Pacific Boston — Hong Kong 16h 10m stop 9:20 pm — 9:35 am CX161 Cathay Pacific Hong Kong — Sydney	41h 5m including layover	Find flight from$1383
0:30 am — 8:50 pm +1 day	1:45 am — 5:10 am CX811 Cathay Pacific Boston — Hong Kong 3h 35m stop 9:10 am — 8:20 pm CX139 Cathay Pacific Hong Kong — Sydney	28h 20m including layover	Find flight from$1383
0:30 am — 7:25 am +2 days	0:30 am — 5:10 am CX811 Cathay Pacific Boston — Hong Kong 5h 50m stop 11:00 am — 11:00 pm CX163 Cathay Pacific Hong Kong — Melbourne 7h stop 6:00 am — 7:25 am CX9050 Cathay Pacific Melbourne — Sydney	38h 55m including layover	Find flight from$1408
0:30 am — 8:25 am +2 days	0:30 am — 5:10 am CX811 Cathay Pacific Boston — Hong Kong 5h 50m stop 11:00 am — 11:00 pm CX163 Cathay Pacific Hong Kong — Melbourne 8h stop 7:00 am — 8:25 am CX9148 Cathay Pacific Melbourne — Sydney	39h 55m including layover	Find flight from$1408
0:30 am — 9:25 am +2 days	0:30 am — 5:10 am CX811 Cathay Pacific Boston — Hong Kong 5h 50m stop 11:00 am — 11:00 pm CX163 Cathay Pacific Hong Kong — Melbourne 9h stop 8:00 am — 9:25 am CX9052 Cathay Pacific Melbourne — Sydney	40h 55m including layover	Find flight from$1408
0:30 am — 10:25 am +2 days	0:30 am — 5:10 am CX811 Cathay Pacific Boston — Hong Kong 5h 50m stop 11:00 am — 11:00 pm CX163 Cathay Pacific Hong Kong — Melbourne 10h stop 9:00 am — 10:25 am CX9100 Cathay Pacific Melbourne — Sydney	41h 55m including layover	Find flight from$1408
0:30 am — 11:25 am +2 days	0:30 am — 5:10 am CX811 Cathay Pacific Boston — Hong Kong 5h 50m stop 11:00 am — 11:00 pm CX163 Cathay Pacific Hong Kong — Melbourne 11h stop 10:00 am — 11:25 am CX9108 Cathay Pacific Melbourne — Sydney	42h 55m including layover	Find flight from$1409
0:30 am — 7:35 am +2 days	0:30 am — 5:10 am CX811 Cathay Pacific Boston — Hong Kong 6h 55m stop 12:05 pm — 10:40 pm CX157 Cathay Pacific Hong Kong — Brisbane 6h 20m stop 5:00 am — 7:35 am CX9046 Cathay Pacific Brisbane — Sydney	39h 5m including layover	Find flight from$1420
0:30 am — 9:50 am +2 days	0:30 am — 5:10 am CX811 Cathay Pacific Boston — Hong Kong 6h 55m stop 12:05 pm — 10:40 pm CX157 Cathay Pacific Hong Kong — Brisbane 8h 35m stop 7:15 am — 9:50 am CX9051 Cathay Pacific Brisbane — Sydney	41h 20m including layover	Find flight from$1420
0:30 am — 8:40 am +2 days	0:30 am — 5:10 am CX811 Cathay Pacific Boston — Hong Kong 6h 55m stop 12:05 pm — 10:40 pm CX157 Cathay Pacific Hong Kong — Brisbane 7h 25m stop 6:05 am — 8:40 am CX9035 Cathay Pacific Brisbane — Sydney	40h 10m including layover	Find flight from$1420
0:30 am — 7:55 am +2 days	0:30 am — 5:10 am CX811 Cathay Pacific Boston — Hong Kong 5h 50m stop 11:00 am — 11:00 pm CX163 Cathay Pacific Hong Kong — Melbourne 7h 30m stop 6:30 am — 7:55 am CX9055 Cathay Pacific Melbourne — Sydney	39h 25m including layover	Find flight from$1755
0:30 am — 8:10 am +2 days	0:30 am — 5:10 am CX811 Cathay Pacific Boston — Hong Kong 5h 50m stop 11:00 am — 11:00 pm CX163 Cathay Pacific Hong Kong — Melbourne 7h 45m stop 6:45 am — 8:10 am CX9093 Cathay Pacific Melbourne — Sydney	39h 40m including layover	Find flight from$1811
0:30 am — 8:55 am +2 days	0:30 am — 5:10 am CX811 Cathay Pacific Boston — Hong Kong 5h 50m stop 11:00 am — 11:00 pm CX163 Cathay Pacific Hong Kong — Melbourne 8h 30m stop 7:30 am — 8:55 am CX9140 Cathay Pacific Melbourne — Sydney	40h 25m including layover	Find flight from$1811
0:30 am — 7:55 am +2 days	0:30 am — 5:10 am CX811 Cathay Pacific Boston — Hong Kong 6h 55m stop 12:05 pm — 10:40 pm CX157 Cathay Pacific Hong Kong — Brisbane 6h 40m stop 5:20 am — 7:55 am CX9045 Cathay Pacific Brisbane — Sydney	39h 25m including layover	Find flight from$1891
0:30 am — 9:20 am +2 days	0:30 am — 5:10 am CX811 Cathay Pacific Boston — Hong Kong 6h 55m stop 12:05 pm — 10:40 pm CX157 Cathay Pacific Hong Kong — Brisbane 8h 5m stop 6:45 am — 9:20 am CX9054 Cathay Pacific Brisbane — Sydney	40h 50m including layover	Find flight from$1898

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times are local. Last updated on 01/22/2025

Flight Information

There are 19 flights by Cathay Pacific from Boston to Sydney every week with departures from Logan, Boston City Heliport, Boston RT128 Rail, Boston South Rail. All flights arrive at Kingsford Smith, Bankstown, Palm Beach SPB, Rose Bay, Sydney West.

Departures start from 0:30 am to 0:30 am. Nonstop flight is 28h 20m. The time difference between Boston and Sydney is 3h.

The fastest flight 28h 20m
Average flight time 40h 3m
The earliest flight 0:30 am
The latest flight 0:30 am
Distance 10098 ml

The cheapest months for traveling to Sydney are january (from 810 $), november (from 992 $), february (from 1 059 $).

The most expensive and popular months are december (from 1 574 $), february (from 1 059 $), november (from 992 $).

The cheapest flight by Cathay Pacific that our users were able to find is $1 059. This airfare is economy class on one-way CX811 flight for February 21, 2025 leaving Logan in Boston at 0:30 am, it includes all taxes and additional fees.

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Cathay Pacific Airplanes on the Route

List of the most popular Cathay Pacific airplanes flying from Boston to Sydney:

Boeing 777-300ER

from $1 383

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Other Popular Airlines on the Route

Besides Cathay Pacific there are other 28 airline carriers between Boston and Sydney. Please review schedules and prices from the most popular airlines to find the best airfare deals from Boston to Sydney.

Nonstop flights

There’re no direct flights on this route. Try flights with stops.

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Connecting Flights

List of flights with layovers (1 and more stops):

UA - United Airlines

from $648

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QF - Qantas

from $1433

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QR - Qatar Airways

from $985

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AC - Air Canada

from $614

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EK - Emirates

from $1658

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JL - Japan Airlines - JAL

from $1333

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VY - Vueling

from $1478

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NZ - Air New Zealand Limited

from $1126

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LX - SWISS International Air Lines

from $1229

Find
HU - Hainan Airlines

from $3609

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SK - SAS

from $3057

Find

See more connecting flights

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