Cheap flights from Boston to Sydney

Flights tailored to your budget

Selected dates may not give results due to COVID-19. We suggest you change the dates.
Multi-city Round trip One way
Round trip
One way
Multi-city
From
No results match your search criteria
To
No results match your search criteria
{{ weekDay }}
Dates
{{ panel.label }}
Looking for a one-way flight?

Flexible dates can save you money

Explore nearby dates to find lower fares

{{ fromDate | dateToLongNamedDate }}
?
Flexible dates
Depart {{ flexibleFromDateLabel }}
{{ option.label }}
?
Return {{ flexibleToDateLabel }}
{{ option.label }}
Passengers / Class
Number of passengers
Adults
{{ adults }}
Children
{{ children }}
Infants
{{ infants }}
Class
Economy
Available for Economy only
New Multi-city experience

Discover a new Multi-city search experience from Jetcost, designed to handle more complex itineraries. By continuing, you’ll be taken to a dedicated page powered by Kiwi.com.

Info about flights from Boston to Sydney

Some useful info about flights from Boston to Sydney to help you plan your next trip

Average flight duration 21h 18m
Cheapest month February
Average number of flights per week 1
First flight time 00:30
Last flight time 23:10
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more

Is it worth flying from Boston to Sydney?

It depends. Prices for flights from Boston to Sydney fluctuate based on several factors.

Pick a travel date to see today’s available fares.

Travel agencies and airlines sometimes offer promotional prices on certain routes — it’s worth checking regularly. Also, many travelers look for weekend flights, so booking in advance is recommended.

Exploring all airports near Boston and Sydney

Checking all the airports available in the area can give you more departure and arrival options for your trip.

  • Airports in Boston: Boston - Logan is currently the only one operating.
  • Airports in Sydney: Sydney - Kingsford Smith is the only option available right now.

Looking at expected traffic to the airport can help avoid surprises on departure day. On busy routes, flying from a quieter airport might also save you money.

Flights from Boston - Logan to Sydney - Kingsford Smith

Adjust your flight filters for Boston – Sydney

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from agencies like Expedia, eDreams, and more.

Other popular destinations

Planning a trip to Australia? These cities are popular too: Adelaide, Brisbane, Melbourne, Perth, Sydney.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.
Frequently Asked Questions

Frequently asked questions about flights from Boston to Sydney.

How much does an airline ticket from Boston to Sydney cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from Boston to Sydney.

How far is Boston from Sydney?

Boston is about 10098 mi from Sydney.

What are the airports in Sydney?

Sydney has one airport: Sydney - Kingsford Smith.

What are the airports in Boston?

Boston has one airport: Boston - Logan.

What are the most popular cities in Australia?

The most popular cities in Australia according to our users' searches are: Adelaide, Brisbane, Melbourne, Perth, Sydney.

When should I book a flight from Boston to Sydney?

The best time to book a flight from Boston to Sydney is 3 months in advance, while the worst time is 1 week in advance.

What is the cheapest month to fly from Boston to Sydney?

The cheapest month to fly from Boston to Sydney is February.

What is the most expensive month to fly from Boston to Sydney?

The most expensive month to fly from Boston to Sydney is May.

What is the best day of the week to fly from Boston to Sydney?

This information is not available at the moment.