Cathay Pacific Boston to Sydney Flights

Return flight: Sydney – Boston

Cheapflightsplus.com will find cheap Cathay Pacific flights from Boston to Sydney. Compare airline ticket prices and book air tickets starting from $1 120 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 january: one-way - $1120, two-way – $1921.
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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 Arrival 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
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from$1120
0:30 am — 6:55 am
+2 days
0:30 am — 5:10 am CX811 Cathay Pacific
Boston — Hong Kong
4h 10m stop
9:20 am — 1:20 pm CX777 Cathay Pacific
Hong Kong — Jakarta
6h 30m stop
7:50 pm — 6:55 am QF42 Qantas
Jakarta — Sydney
38h 25m
including layover
Find flight
from$1308
*Departure and arrival times are local. Last updated on 12/22/2024

Flight Information

There are 25 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 18m
  • The earliest flight 0:30 am
  • The latest flight 0:30 am
  • Distance 10098 ml

The cheapest months for traveling to Sydney are december (from 857 $), november (from 1 049 $), february (from 1 120 $).

The most expensive and popular months are january (from 1 308 $), february (from 1 120 $), november (from 1 049 $).

The cheapest flight by Cathay Pacific that our users were able to find is $1 120. 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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Other Popular Airlines on the Route

Besides Cathay Pacific there are other 31 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):

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  • NZ - Air New Zealand Limited
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  • HU - Hainan Airlines
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  • SK - SAS
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  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

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