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

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The best prices from Boston to Sydney are usually found in March or February, booked 40 days in advance, depart on a Tuesday or Wednesday and return on a Monday

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

All the information you need to plan the best BOS to SYD flight in 2021: compare Boston to Sydney flight prices with the expected peak season, weather and rainfall in Sydney.
BOS - SYD
Price
$1,184 - $1,910
SYD
Temperature
32 - 75.2 °F
SYD
Rainfall
3.3 - 6.3 inches

Popular in

December

High demand for flights, 30% potential price rise

Cheapest in

March

Best time to find cheap flights, 11% potential price drop

Round-trip from

$1,184

From Boston to Sydney

One-way from

$816

One-way flight 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 61 days in advance, which can save you up to 14% on flights from Boston to Sydney compared to booking the week you need them. Waiting 61 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 $1,179. For sooner than that we have options available in the next 3 days from $1,248.

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

July is one of the best times of the year to fly to Sydney from Boston. Prices for July average $1,017 per person but you can even find prices for as low as $635. The most expensive prices can be found in the month of December. Opting for a July flight can save you 32% on your journey compared to booking in July

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 15% on the cost of your flight, compared to a flight in the afternoon.

Cheap flights from Boston to Sydney in June, July 2021

The best prices found for BOS to SYD flights for June, July
30 Jun - 7 Jul
$2,280pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Qatar Airways
 
1 STOP
BOS
Boston Logan Intl
30 Jun - 7 Jul
$2,415pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Qatar Airways
   
2 STOPS
BOS
Boston Logan Intl
20 Jun - 4 Jul
$2,518pp
BOS
Boston Logan Intl
Multiple Airlines
     
3 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Qatar Airways
 
1 STOP
BOS
Boston Logan Intl

Boston to Sydney 2021 flight deals

Cheap flights to Sydney from Boston found for this year
11 Nov - 14 Nov
$1,230pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl
10 Nov - 22 Nov
$1,254pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Multiple Airlines
     
3 STOPS
BOS
Boston Logan Intl
18 Oct - 7 Dec
$1,263pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl

Last minute flights from Boston to Sydney

Late deals on round-trip flights to Sydney from Boston, departing today and this week
23 Jun - 30 Jun
$4,703pp
BOS
Boston Logan Intl
United Airlines
 
1 STOP
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
United Airlines
   
2 STOPS
BOS
Boston Logan Intl
23 Jun - 30 Jun
$5,735pp
BOS
Boston Logan Intl
United Airlines
 
1 STOP
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
United Airlines
 
1 STOP
BOS
Boston Logan Intl
23 Jun - 30 Jun
$5,739pp
BOS
Boston Logan Intl
United Airlines
   
2 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
United Airlines
   
2 STOPS
BOS
Boston Logan Intl

One-way flights to Sydney from Boston

The cheapest one-way flights from Boston to Sydney
5:15 pm - 2:20 pm
Qatar Airways
1 Stop
29h 05m
BOS - SYD
Qatar Airways
$816
KAYAK
10:17 am - 8:45 am
Fiji Airways
2 Stops
31h 28m
BOS - SYD
Fiji Airways
$990
Priceline
7:25 pm - 3:50 pm
Cathay Pacific
1 Stop
28h 25m
BOS - SYD
Cathay Pacific
$1,697
SnapTravelAir

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Boston</span> to <span class="emphasized">Sydney</span> 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.

Which airlines flying from Boston Logan Intl to Sydney Kingsford Smith have flexible cancellations due to COVID-19?

Virgin Australia, United Airlines, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Boston to Sydney for under $1,300 on Cheapflights?

Yes, there are multiple flights from Boston to Sydney for under $1,300. The cheapest flight booked recently is on Multiple Airlines for just $1,230, but on average you can expect to pay $1,389.

Are there nonstop flights from Boston to Sydney for under $1,200 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.

Are there last-minute flights available from Boston to Sydney for under $4,800?

There are currently 4+ open flights from Boston to Sydney within the next 7 days for less than $4,800.

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 less than Sydney. You can assume this to be the case over the next 14 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?

Qatar Airways can get you from Boston to Sydney in just under 28h 30m. Your travel time can differ by up to .

What is the cheapest airline to fly from Boston to Sydney round-trip?

According to our current data, Qatar Airways ($1,421), offers the cheapest pricing from Boston to Sydney.

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 $738 on Qatar Airways. Other airlines that offer cheap prices include Fiji Airways from $821 and Cathay Pacific from $1,697 one-way.

Destination information for Sydney

Things to know before you go - useful duration and weather info for your trip from Boston to Sydney.
Today's exchange rate
$1 = $1.31
Average temperature for June in Sydney
68.0 °F
Avg rainfall for June in Sydney
3.3 ″

Airports servicing Boston

Airports servicing Sydney

Top 10 airlines flying from Boston to Sydney

The chart below displays the airlines Cheapflights users traveling from Boston to Sydney choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Fiji Airways
$498 $866 No cancel fee 74%
Qantas Airways
$683 $1,194 No cancel fee 74%
China Eastern
$904 $1,234 No cancel fee 62%

We couldn't confirm the COVID-19 safety measures taken by China Eastern. Please check directly on their website for additional information.

American Airlines
$237 $1,273 No cancel fee 71%
Qatar Airways
$946 $1,274 No cancel fee 68%
Air New Zealand
$941 $1,280 No cancel fee 78%
Air Canada
$982 $1,329 No cancel fee 67%
Cathay Pacific
$954 $1,413 No cancel fee 72%
Delta
$466 $1,741 No cancel fee N/A
Hawaiian Airlines
$492 $1,931 No cancel fee 85%