BOS - YQY

C$ 406 Find Cheap Flights from Boston to Sydney

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Sydney departing on 10/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Sydney

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Sydney, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Sydney, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
C$ 866
Typical prices: C$ 1,502-C$ 1,281
Air Canada
Mon 19/10Fri 23/10
BOS - YQY • 1 stop
Cheapest one-way flights
C$ 406
Air Canada
Sat 10/10
BOS - YQY • 1 stop
Direct flights
Not available
There are currently no direct flights between Boston and Sydney. You’ll need at least 1 connection.
Insights
Insights
Insights
Insights
When to travel
February
Cheapest • 100% price drop
August
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Sydney!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Boston to Sydney (BOS-YQY)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boston to Sydney that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Sydney

Mon, 19 Oct - Fri, 23 Oct
Air Canada Logo
10:40 a.m. - 4:38 p.m.
BOS
-
YQY
4h 58m
1 stop
Air Canada Logo
5:20 p.m. - 9:27 p.m.
YQY
-
BOS
5h 07m
1 stop
C$ 866Air Canada
Mon, 19 Oct - Fri, 23 Oct
Air Canada Logo
6:00 a.m. - 4:38 p.m.
BOS
-
YQY
9h 38m
2 stops
Air Canada Logo
5:20 p.m. - 9:27 p.m.
YQY
-
BOS
5h 07m
1 stop
C$ 877Air Canada
Tue, 25 Aug - Wed, 26 Aug
Air Canada Logo
10:40 a.m. - 4:39 p.m.
BOS
-
YQY
4h 59m
1 stop
Air Canada Logo
5:20 p.m. - 9:27 p.m.
YQY
-
BOS
5h 07m
1 stop
C$ 907Air Canada
Mon, 19 Oct - Fri, 23 Oct
Air Canada Logo
6:00 a.m. - 4:38 p.m.
BOS
-
YQY
9h 38m
2 stops
Air Canada Logo
5:20 p.m. - 8:44 a.m.
YQY
-
BOS
16h 24m
2 stops
C$ 910Air Canada
Tue, 23 Jun - Sat, 27 Jun
Air Canada Logo
5:00 p.m. - 12:07 a.m.
BOS
-
YQY
6h 07m
1 stop
Air Canada Logo
5:20 p.m. - 9:27 p.m.
YQY
-
BOS
5h 07m
1 stop
C$ 914Air Canada
Tue, 25 Aug - Wed, 26 Aug
Air Canada Logo
6:00 a.m. - 4:39 p.m.
BOS
-
YQY
9h 39m
2 stops
Air Canada Logo
5:20 p.m. - 9:27 p.m.
YQY
-
BOS
5h 07m
1 stop
C$ 918Air Canada
Mon, 20 Jul - Wed, 29 Jul
Air Canada Logo
7:40 p.m. - 4:39 p.m.
BOS
-
YQY
19h 59m
2 stops
Air Canada Logo
5:20 p.m. - 9:27 p.m.
YQY
-
BOS
5h 07m
1 stop
C$ 940Air Canada
Thu, 11 Jun - Thu, 18 Jun
Air Canada Logo
10:45 a.m. - 12:09 a.m.
BOS
-
YQY
12h 24m
1 stop
Air Canada Logo
5:20 p.m. - 9:27 p.m.
YQY
-
BOS
5h 07m
1 stop
C$ 948Air Canada
Tue, 25 Aug - Wed, 26 Aug
Air Canada Logo
6:00 a.m. - 4:39 p.m.
BOS
-
YQY
9h 39m
2 stops
Air Canada Logo
5:20 p.m. - 8:44 a.m.
YQY
-
BOS
16h 24m
2 stops
C$ 951Air Canada
Tue, 9 Jun - Tue, 16 Jun
Air Canada Logo
5:10 a.m. - 4:14 p.m.
BOS
-
YQY
10h 04m
2 stops
Air Canada Logo
5:20 p.m. - 9:49 a.m.
YQY
-
BOS
17h 29m
2 stops
C$ 963Air Canada
Booking Insights

KAYAK's insights & trends for Boston to Sydney flights

Get data-powered insights and trends into flights from Boston to Sydney to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Boston to Sydney, Nova Scotia?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Boston to Sydney, Nova Scotia departing in October.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Boston to Sydney, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Boston to Sydney is February, where tickets cost C$ 0 (return) on average. On the other hand, the most expensive months are October and January, where the average cost of round-trip tickets is C$ 1,471 and C$ 1,452 respectively.

Find deals

Good to know

Low seasonMay
Cheapest flightC$ 406
Best time to beat the crowds (37% less expensive on average)
Most popular time to fly (24% more expensive on average)
Flight from Boston to Sydney

When to book flights from Boston to Sydney

Are your dates flexible? Find out the best times to travel from Boston to Sydney based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Boston to Sydney

  • What is the cheapest flight from Boston to Sydney?

    In the last 3 days, the lowest price for a flight from Boston to Sydney was C$ 406 for a one-way ticket and C$ 866 for a round-trip.

  • Which airports will I be using when flying from Boston to Sydney?

    On your way to Sydney, you’ll fly out from Boston Logan Intl. You’ll be landing at Sydney.

  • Which aircraft models fly most regularly from Boston to Sydney?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Boston to Sydney?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boston to Sydney.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boston to Sydney?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sydney from Boston is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boston to Sydney?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Sydney with an airline and back to Boston with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boston to Sydney?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sydney from Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Boston to Sydney

Information on your arrival and departure airports

Boston (BOS)
Sydney (YQY)