Cheap Flights from Boston Logan International to Sydney

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Compare Boston Logan International to Sydney flight deals

Find the cheapest month or even day of the year to fly to Sydney

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Flight deals from Boston Logan International to Sydney

Looking for a cheap last-minute deal or the best return flight from Boston Logan International Airport to Sydney Airport? If you want to travel next month, return fares start from $1,895. Find the lowest prices on one-way and return tickets right here.

Sydney.$1,891 per passenger.Departing Mon, 2 Nov, returning Wed, 11 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Boston Logan International on Mon, 2 Nov, arriving in Sydney.Inbound indirect flight with Air Canada, departs from Sydney on Wed, 11 Nov, arriving in Boston Logan International.Price includes taxes and charges.From $1,891, select.

Sydney.$1,894 per passenger.Departing Mon, 19 Oct, returning Mon, 2 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Boston Logan International on Mon, 19 Oct, arriving in Sydney.Inbound indirect flight with Air Canada, departs from Sydney on Mon, 2 Nov, arriving in Boston Logan International.Price includes taxes and charges.From $1,894, select.

Sydney.$1,894 per passenger.Departing Sun, 7 Mar, returning Mon, 15 Mar.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Boston Logan International on Sun, 7 Mar, arriving in Sydney.Inbound indirect flight with Air Canada, departs from Sydney on Mon, 15 Mar, arriving in Boston Logan International.Price includes taxes and charges.From $1,894, select.

Sydney.$1,895 per passenger.Departing Mon, 19 Oct, returning Mon, 26 Oct.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Boston Logan International on Mon, 19 Oct, arriving in Sydney.Inbound indirect flight with Air Canada, departs from Sydney on Mon, 26 Oct, arriving in Boston Logan International.Price includes taxes and charges.From $1,895, select.

Sydney.$1,896 per passenger.Departing Wed, 10 Feb, returning Mon, 15 Feb.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Boston Logan International on Wed, 10 Feb, arriving in Sydney.Inbound indirect flight with Air Canada, departs from Sydney on Mon, 15 Feb, arriving in Boston Logan International.Price includes taxes and charges.From $1,896, select.

Sydney.$1,905 per passenger.Departing Tue, 9 Feb, returning Mon, 8 Mar.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Boston Logan International on Tue, 9 Feb, arriving in Sydney.Inbound indirect flight with Air Canada, departs from Sydney on Mon, 8 Mar, arriving in Boston Logan International.Price includes taxes and charges.From $1,905, select.

Sydney.$1,968 per passenger.Departing Thu, 8 Apr, returning Mon, 12 Apr.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Boston Logan International on Thu, 8 Apr, arriving in Sydney.Inbound indirect flight with Air Canada, departs from Sydney on Mon, 12 Apr, arriving in Boston Logan International.Price includes taxes and charges.From $1,968, select.

Sydney.$1,973 per passenger.Departing Mon, 1 Mar, returning Fri, 30 Apr.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Boston Logan International on Mon, 1 Mar, arriving in Sydney.Inbound indirect flight with Air Canada, departs from Sydney on Fri, 30 Apr, arriving in Boston Logan International.Price includes taxes and charges.From $1,973, select.

Sydney.$1,976 per passenger.Departing Wed, 28 Oct, returning Fri, 25 Dec.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Boston Logan International on Wed, 28 Oct, arriving in Sydney.Inbound indirect flight with Air Canada, departs from Sydney on Fri, 25 Dec, arriving in Boston Logan International.Price includes taxes and charges.From $1,976, select.

Sydney.$1,986 per passenger.Departing Fri, 21 May, returning Wed, 26 May.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Boston Logan International on Fri, 21 May, arriving in Sydney.Inbound indirect flight with Air Canada, departs from Sydney on Wed, 26 May, arriving in Boston Logan International.Price includes taxes and charges.From $1,986, select.

Sydney.$2,051 per passenger.Departing Fri, 4 Dec, returning Fri, 25 Dec.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Boston Logan International on Fri, 4 Dec, arriving in Sydney.Inbound indirect flight with Air Canada, departs from Sydney on Fri, 25 Dec, arriving in Boston Logan International.Price includes taxes and charges.From $2,051, select.

Sydney.$2,161 per passenger.Departing Mon, 7 Dec, returning Mon, 18 Jan.Return flight with American Airlines.Outbound indirect flight with American Airlines, departs from Boston Logan International on Mon, 7 Dec, arriving in Sydney.Inbound indirect flight with American Airlines, departs from Sydney on Mon, 18 Jan, arriving in Boston Logan International.Price includes taxes and charges.From $2,161, select.

Sydney.$2,175 per passenger.Departing Mon, 23 Nov, returning Mon, 7 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Boston Logan International on Mon, 23 Nov, arriving in Sydney.Inbound indirect flight with Delta, departs from Sydney on Mon, 7 Dec, arriving in Boston Logan International.Price includes taxes and charges.From $2,175, select.

Sydney.$2,186 per passenger.Departing Tue, 29 Sep, returning Tue, 13 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Boston Logan International on Tue, 29 Sep, arriving in Sydney.Inbound indirect flight with Delta, departs from Sydney on Tue, 13 Oct, arriving in Boston Logan International.Price includes taxes and charges.From $2,186, select.

Sydney.$2,190 per passenger.Departing Wed, 24 Feb, returning Wed, 7 Apr.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Boston Logan International on Wed, 24 Feb, arriving in Sydney.Inbound indirect flight with Air Canada, departs from Sydney on Wed, 7 Apr, arriving in Boston Logan International.Price includes taxes and charges.From $2,190, select.

Sydney.$2,193 per passenger.Departing Tue, 27 Apr, returning Mon, 17 May.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Boston Logan International on Tue, 27 Apr, arriving in Sydney.Inbound indirect flight with Air Canada, departs from Sydney on Mon, 17 May, arriving in Boston Logan International.Price includes taxes and charges.From $2,193, select.

Find the cheapest month to fly from Boston Logan International to Sydney

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boston Logan International to Sydney flights are currently cheapest in November.

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Boston Logan International to Sydney: Alternative routes

Compare routes from Boston Logan International to Sydney below. You may find an airport to fly into that's cheaper, faster, or easier than Sydney.

Sydney

9km from central Sydney

ClosestCheapest

from $1,891

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Wollongong

86km from central Sydney

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Boston to Sydney: Flight information

The things to know before you go.

Cheapest flight found	$1,891
Cheapest month to fly	November

Finding cheap flights from Boston Logan International to Sydney: Frequently asked questions

How much are return flights from Boston Logan International to Sydney?

The best price we found for a return flight from Boston Logan International to Sydney is $1,891. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Boston Logan International to Sydney?

Currently, there are no airlines that fly direct from Boston Logan International to Sydney. But we found flights with one or more stops from $1,891.

How many flights are there a week from Boston Logan International to Sydney?

As of September 2026, there are no flights flying from Boston Logan International to Sydney.

When is the cheapest time to fly from Boston Logan International to Sydney?

The cheapest month to fly from Boston Logan International to Sydney is usually November.

Which upcoming date is cheapest to fly from Boston Logan International Airport to Sydney Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boston Logan International Airport to Sydney Airport on Monday, 2 November 2026.

Can I get a direct flight from Boston Logan International Airport to Sydney Airport?

No airlines currently offer direct flights between Boston Logan International Airport and Sydney Airport. Most routes have one or more stops.

How can I find the best flight deal to Sydney?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sydney but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Sydney?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sydney is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Boston Logan International Airport to Sydney with?

Currently, Air Canada offers the cheapest flight tickets to Sydney.

Travelling from Boston Logan International Airport (BOS) to Sydney Airport (SYD): what you need to know

The timezone in Sydney is UTC+11, which is 16 hours ahead of Boston.
Your BOS to SYD flight won't wait if you're running late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.
Flying during a peak month like July? Public holidays and other popular periods can lead to longer queues and delays at security. Be extra cautious and get there up to four hours ahead of international flights and two hours before domestic departures.
Think about adding a stopover when booking your ticket from Boston Logan International Airport to Sydney Airport. Simply deselect 'Direct flights only' to break up your journey, or enjoy a detour to a new and interesting place. Here's where you can stop between BOS and SYD:
- Dallas Fort Worth International Airport
- Los Angeles International Airport
- San Francisco International Airport

How to find the cheapest flights from Boston Logan International Airport (BOS) to Sydney Airport (SYD)

Currently, $731 is the lowest price we've found for a one-way Boston Logan International Airport to Sydney Airport flight. The best price for a return plane ticket is $1,891. Keep in mind that fares could change due to availability when booking.
To find cheap tickets from BOS to SYD, book early. Airlines generally offer lower fares when flights are first made available.
If you're flexible with your travel dates, use the 'Whole month' search tool. It'll find the cheapest price across each month when searching for your flight from Boston Logan International Airport to Sydney Airport.
Never miss a deal on cheap flights from BOS to SYD by setting up a Price Alert. You'll get an email or notification through the app when fares go down.
Tailor your flights using filters. Select your ideal departure and arrival times, total journey duration and airlines. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from Boston Logan International Airport to Sydney Airport.

Handy information about Boston Logan International Airport (BOS)

BOS's address is One Harborside Drive.
When it comes to Boston Logan International Airport's on-time performance, 75% of flights complete their journey on time.
Boston Logan International Airport is about 8 kilometres from central Boston. If you're driving, ride-sharing or catching a taxi from the centre, it'll take 20 minutes or so to arrive, depending on the traffic.
Planning to catch public transport? Expect a trip time of around 25 minutes.
Need a convenient hotel near BOS? If you're catching an early flight from Boston Logan International Airport to Sydney Airport, these stays will put you moments from your departure gate:

Arriving at Sydney Airport (SYD)

Book a hotel close to SYD if you have a late Boston Logan International Airport to Sydney Airport flight. Pick one of these options and skip the long transfer:
Get on the fast track to adventure by picking up a Sydney Airport rental car. Grab your wheels from simba car rental, Bargain Car Rentals or Yes Drive and explore beyond Sydney's main sights.
Booking your vehicle from Sydney Airport around two weeks in advance can help you get the best possible rate.

When to fly to Sydney Airport (SYD)

The quietest month for a flight from Boston Logan International Airport to Sydney Airport is March, while July is the busiest. Choose the best time to go to Sydney based on whether you prefer a more relaxed vibe or a faster pace.
The warmest month in Sydney is January, with the temperature ranging between 17ºC and 32ºC. Lock in your flights from Boston Logan International Airport to Sydney Airport in this month if this is the type of weather you like.
Look for cheap tickets from BOS to SYD in July if you like cooler conditions. Temperatures are at their lowest around then, ranging between 5ºC and 19ºC on average.

Explore more of Australia

Canberra is just one of the many cities in Australia waiting to be discovered once you've seen the sights of Sydney. Around 241 kilometres away to the south-west, well-known attractions include National Gallery of Australia, National Portrait Gallery and Museum of Australian Democracy.
If you're eager to discover another side of Australia, head for Newcastle, roughly 121 kilometres north-east of Sydney. Merewether Beach, Nobbys Beach and Newcastle Beach are the start of reasons to visit.