Menu

Cheap flights from Boston (BOS) to Sydney (SYD)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Boston to Sydney are usually found in May or March, booked 44 days in advance, depart on a Tuesday or Monday and return on a Monday

How to find the cheapest flight from
Boston (BOS) to Sydney (SYD)

BOS - SYD
Price
$1,041 - $1,910
SYD
Temperature
32 - 75.2 °F
SYD
Rainfall
3.3 - 6.3 inches
Popular in December High demand for flights, 35% potential price rise
Cheapest in May Best time to find cheap flights, 16% potential price drop
Average price $1,262 Average for round-trip flights in September 2020
Round-trip from $1,041 From Boston to Sydney
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Boston to Sydney?

Flying to your destination on a Thursday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Sydney. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Boston to Sydney?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 46 days in advance, which can save you up to 16% on flights from Boston to Sydney compared to booking the week you need them. Waiting 46 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $972. For sooner than that we have options available in the next 3 days from $1,089.

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

March is one of the best times of the year to fly to Sydney from Boston. Prices for March average $1,040 per person but you can even find prices for as low as $734. The most expensive prices can be found in the month of December. Opting for a March flight can save you 29% on your journey compared to booking in March

When is the cheapest time to fly from Boston to Sydney (BOS - SYD)?

It’s optimal to fly from Boston to Sydney in the morning. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the afternoon.

Cheap flights from Boston to Sydney in September, October 2020

The best prices found for BOS to SYD flights for September, October
30 Oct - 8 Nov
$1,813pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Air Canada
   
2 STOPS
BOS
Boston Logan Intl
23 Oct - 27 Oct
$2,296pp
BOS
Boston Logan Intl
Multiple Airlines
     
3 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Multiple Airlines
     
3 STOPS
BOS
Boston Logan Intl
23 Oct - 27 Oct
$2,300pp
BOS
Boston Logan Intl
Multiple Airlines
     
3 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Multiple Airlines
     
3 STOPS
BOS
Boston Logan Intl

Boston to Sydney 2020 flight deals

Cheap flights to Sydney from Boston found for this year
11 Nov - 25 Nov
$1,195pp
BOS
Boston Logan Intl
Etihad Airways
   
2 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Etihad Airways
   
2 STOPS
BOS
Boston Logan Intl
1 Nov - 7 Mar
$1,197pp
BOS
Boston Logan Intl
Major Airline
   
2 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Major Airline
   
2 STOPS
BOS
Boston Logan Intl
8 Dec - 15 Dec
$1,260pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl

One-way flights to Sydney from Boston

The cheapest one-way flights from Boston to Sydney
11:10 am - 5:30 am
Multiple Airlines
2 Stops
26h 20m
BOS - SYD
Multiple Airlines
2:00 pm - 4:10 pm
Air New Zealand
2 Stops
35h 10m
BOS - SYD
Air New Zealand
$5,274
Fareboom
11:20 am - 2:10 am
Lufthansa
2 Stops
46h 50m
BOS - SYD
Lufthansa
$8,001
KAYAK

Related info for your journey

Useful info, stats and facts about Boston to Sydney flights.

Flight FAQs

From Boston to Sydney

Are flight prices decreasing from Boston to Sydney due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Boston and Sydney for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Boston to Sydney for under $1,000 on Cheapflights?

Yes, there are multiple flights from Boston to Sydney for under $1,000. The cheapest flight booked recently is on Multiple Airlines for just $913, but on average you can expect to pay $1,206.

Are there nonstop flights from Boston to Sydney for under $900 on Cheapflights?

There are no nonstop flights from Boston to Sydney, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

How popular is this flight route?

Flights from Boston Logan Intl to Sydney Kingsford Smith have been viewed 37 times in the past calendar month.

Does it rain more in Boston or Sydney?

When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Boston is roughly greater than that of Sydney. You can assume this to be the case over the next 12 days.

Is Boston weather warmer or cooler than Sydney?

Expect the weather to be around 84 °F on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Sydney is generally colder than in Boston.

How long is the flight from Boston to Sydney?

Major Airline, Qatar Airways, and Etihad Airways can get you from Boston to Sydney in just under 26h 50m. Your travel time can differ by up to 8h. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Boston to Sydney round-trip?

According to our current data, Qatar Airways ($1,170), Etihad Airways ($1,195), and Major Airline ($1,197) offers the cheapest pricing from Boston to Sydney. These flights start at 5% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Boston to Sydney one-way?

One-way options have recently been found by users for as low as $2,884 on Air New Zealand. Another option is Lufthansa, who have fights from $8,001.

Destination information for Sydney

Things to know before you go. Useful info for your trip from Boston to Sydney
Today's exchange rate
$1 = $1.37
Average temperature for September in Sydney
68.0 °F
Avg rainfall for September in Sydney
4.9 ″

Airports servicing Boston

Airports servicing Sydney