Cheap Flights from Boston, MA to Sydney from $761

Return flight: Sydney – Boston
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On Cheapflightsplus.com you will find 1000 connecting flights from Boston to Sydney. You can compare airfare deals from 37 airlines and multiple travel sites from $761, book and save on cheap plane tickets and last minute offers. Also check out BOS-SYD flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Boston to Sydney Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $761 (one-way), $1305 (round-trip).
Direct flights
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Best Flights from Boston to Sydney Today

Take a look at the list of non stop flights and flights with layovers from Boston to Sydney with the lowest price of $761. Take a look at the list of flights with layovers from Boston to Sydney from $761. There’re no direct flights. The fastest connecting flight – 22h 29m.
Price Departure Arrival Flight Duration Airline Flight
from $802
Find flight
18:30
Boston
Logan
 07:00+2 дня
Sydney
Kingsford Smith
 22h 30m
layover
0h 58m - Los Angeles
 United Airlines
UA333
UA839
from $861
Find flight
12:15
Boston
Logan
 07:20+2 дня
Sydney
Kingsford Smith
 29h 5m
layover
4h 35m - Toronto
 Air Canada
AC771
AC33
from $578
Find flight
12:55
Boston
Logan
 06:10+3 дня
Sydney
Kingsford Smith
 51h 15m
layover
1h 20m - Seoul
19h 30m - Hanoi
 Korean Air
KE92
KE453
VJ95
from $606
Find flight
20:23
Boston
Logan
 11:45+3 дня
Sydney
Kingsford Smith
 49h 22m
layover
23h 33m - San Francisco
4h 0m - Nadi
 Hawaiian Airlines
HA4827
FJ871
FJ911
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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 12, 2025
Full flight schedule will help you in detecting at what time planes fly from Boston to Sydney. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
06:00 — 07:20
+2 days
06:00 — 07:59 AC8689 Air Canada
Boston — Toronto
10h 35m stop
18:45 — 07:20 AC33 Air Canada
Toronto — Sydney
35h 20m
including layover
Find flight
from$861
08:05 — 07:05
+2 days
08:00 — 11:35 QF4482 Qantas
Boston — Los Angeles
11h 34m stop
22:50 — 07:05 QF4112 Qantas
Los Angeles — Sydney
33h
including layover
Find flight
from$897
08:15 — 07:55
+2 days
08:00 — 11:50 UA1008 United Airlines
Boston — San Francisco
11h 13m stop
22:55 — 09:15 UA863 United Airlines
San Francisco — Sydney
32h 40m
including layover
Find flight
from$904
10:30 — 07:55
+2 days
10:30 — 14:01 UA2279 United Airlines
Boston — San Francisco
8h 59m stop
23:00 — 06:55 UA863 United Airlines
San Francisco — Sydney
30h 25m
including layover
Find flight
from$904
11:45 — 07:00
+2 days
11:45 — 14:55 UA642 United Airlines
Boston — Los Angeles
7h 50m stop
22:45 — 07:00 UA839 United Airlines
Los Angeles — Sydney
29h 15m
including layover
Find flight
from$904
12:15 — 07:20
+2 days
12:15 — 14:09 AC771 Air Canada
Boston — Toronto
4h 35m stop
18:40 — 07:20 AC33 Air Canada
Toronto — Sydney
29h 5m
including layover
Find flight
from$861
12:40 — 06:55
+2 days
12:40 — 15:55 QF3284 Qantas
Boston — Dallas
6h 45m stop
22:40 — 06:55 QF8 Qantas
Dallas — Sydney
28h 15m
including layover
Find flight
from$898
14:44 — 06:55
+2 days
14:44 — 18:01 QF4563 Qantas
Boston — Dallas
4h 39m stop
22:40 — 06:55 QF8 Qantas
Dallas — Sydney
26h 11m
including layover
Find flight
from$898
16:20 — 07:55
+2 days
16:20 — 19:49 UA733 United Airlines
Boston — San Francisco
3h 11m stop
23:00 — 06:55 UA863 United Airlines
San Francisco — Sydney
24h 35m
including layover
Find flight
from$902
16:45 — 07:20
+3 days
16:45 — 18:40 AC773 Air Canada
Boston — Toronto
24h stop
18:40 — 07:20 AC33 Air Canada
Toronto — Sydney
48h 35m
including layover
Find flight
from$861
18:12 — 07:05
+2 days
18:12 — 21:31 QF3015 Qantas
Boston — Los Angeles
1h 24m stop
22:55 — 07:05 QF4112 Qantas
Los Angeles — Sydney
22h 53m
including layover
Find flight
from$896
18:12 — 07:30
+2 days
18:12 — 21:31 QF3015 Qantas
Boston — Los Angeles
1h 39m stop
23:10 — 07:30 QF12 Qantas
Los Angeles — Sydney
23h 18m
including layover
Find flight
from$897
18:18 — 07:55
+2 days
18:01 — 21:50 UA2400 United Airlines
Boston — San Francisco
1h 10m stop
22:55 — 09:15 UA863 United Airlines
San Francisco — Sydney
22h 37m
including layover
Find flight
from$902
18:30 — 07:00
+2 days
18:10 — 21:48 UA333 United Airlines
Boston — Los Angeles
58m stop
22:40 — 09:05 UA839 United Airlines
Los Angeles — Sydney
22h 30m
including layover
Find flight
from$802
19:00 — 07:20
+3 days
19:00 — 21:01 AC8699 Air Canada
Boston — Toronto
21h 44m stop
18:45 — 07:20 AC33 Air Canada
Toronto — Sydney
46h 20m
including layover
Find flight
from$861
*Departure and arrival times - local. Updated on September 12, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Boston to Sydney depends on and how to choose the most interesting flight option for you.

Distance between Boston and Sydney is 16251 miles. Time difference between the cities is 3h. Airplanes depart 01:40 to 23:40 from 4 Boston airports and arrive 01:40 to 23:40 to 5 Sydney airports. Average flight time is 35h 20m.

  • The fastest flight 22h 29m
  • Average flight time 35h 20m
  • The earliest flight 01:40
  • The latest flight 23:40
  • Distance 10098 ml

Popular Airlines on the Route

The flight Boston — Sydney is served by 37 regular airlines and 8 low-cost airlines. Most of the flights on this route are operated by Condor Airlines - 1 departures per week at the price of from $ 1379 . And the most expensive tickets are offered by Air Canada airline - from $ 5255.

Direct flights

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

Connecting Flights

There are 1000 flights with layovers on the route. The fastest connecting flight is QF4501 by Qantas takes 22h 29m.

  • DE - Condor Airlines
    from $1379
    Find
  • JL - Japan Airlines - JAL
    from $741
    Find
  • VY - Vueling
    from $1139
    Find
  • FI - Icelandair
    from $1678
    Find
  • FJ - Air Pacific
    from $923
    Find
  • UA - United Airlines
    from $802
    Find
  • NZ - Air New Zealand Limited
    from $1115
    Find
  • LX - SWISS International Air Lines
    from $1306
    Find
  • QF - Qantas
    from $896
    Find
  • IB - Iberia
    from $1044
    Find
  • KE - Korean Air
    from $578
    Find
  • MH - Malaysia Airlines
    from $1459
    Find
See more connecting flights

Airports

You can fly from Boston to Sydney from 4 airports (Boston City Heliport, Boston RT128 Rail, Boston South Rail, Logan).

Boston airports

  • Boston City Heliport-JBC
    Find
  • Boston RT128 Rail-ZRU
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  • Boston South Rail-ZTO
    Find
  • Logan-BOS
    from $578
    Find

Sydney airports

  • Bankstown-BWU
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  • Palm Beach SPB-LBH
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  • Rose Bay-RSE
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  • Kingsford Smith-SYD
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  • Sydney West-SWZ
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Airplanes

There are flights to Sydney from Boston by 37 airlines that use 1 aircraft brands. They range from huge modern airplanes to small-sized.

  • Airbus A350-900
    from $1 199
    Find

Top Domestic Destinations from Boston

You may also consider searching for discounted plane tickets to some other popular places from Boston within United States.

Top International Destinations from Boston

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • 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.

    To find a plane ticket, please select dates.

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