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Cheap flights from Boston to Sydney from C$ 871

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Sydney departing on 3/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
10:35 a.m. - 4:39 p.m.
BOS
-
YQY
5h 04m
1 stop
Air Canada Logo
5:20 p.m. - 9:27 p.m.
YQY
-
BOS
5h 07m
1 stop
C$ 871Air Canada
Wed, 3 Jun - Sat, 6 Jun
Air Canada Logo
10:40 a.m. - 4:39 p.m.
BOS
-
YQY
4h 59m
1 stop
Air Canada Logo
5:00 a.m. - 11:52 a.m.
YQY
-
BOS
7h 52m
1 stop
C$ 878Air Canada
Fri, 14 Aug - Sat, 29 Aug
Air Canada Logo
5:10 a.m. - 4:39 p.m.
BOS
-
YQY
10h 29m
2 stops
Air Canada Logo
5:20 p.m. - 9:27 p.m.
YQY
-
BOS
5h 07m
1 stop
C$ 882Air Canada
Wed, 3 Jun - Sat, 6 Jun
Air Canada Logo
5:00 p.m. - 12:09 a.m.
BOS
-
YQY
6h 09m
1 stop
Air Canada Logo
5:00 a.m. - 9:54 a.m.
YQY
-
BOS
5h 54m
1 stop
C$ 885Air Canada
Fri, 12 Jun - Sun, 14 Jun
Air Canada Logo
5:10 a.m. - 4:39 p.m.
BOS
-
YQY
10h 29m
2 stops
Air Canada Logo
5:00 a.m. - 9:54 a.m.
YQY
-
BOS
5h 54m
1 stop
C$ 889Air Canada
Fri, 12 Jun - Sun, 14 Jun
Air Canada Logo
10:40 a.m. - 4:39 p.m.
BOS
-
YQY
4h 59m
1 stop
Air Canada Logo
5:20 p.m. - 8:44 a.m.
YQY
-
BOS
16h 24m
2 stops
C$ 904Air Canada
Mon, 20 Jul - Sun, 26 Jul
Air Canada Logo
10:45 a.m. - 12:14 a.m.
BOS
-
YQY
12h 29m
1 stop
Air Canada Logo
5:20 p.m. - 9:27 p.m.
YQY
-
BOS
5h 07m
1 stop
C$ 911Air Canada
Sat, 16 May - Wed, 20 May
Air Canada Logo
5:50 a.m. - 4:14 p.m.
BOS
-
YQY
9h 24m
1 stop
Air Canada Logo
5:20 p.m. - 9:27 p.m.
YQY
-
BOS
5h 07m
1 stop
C$ 913Air Canada
Wed, 13 May - Wed, 20 May
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$ 915Air Canada
Wed, 26 Aug - Sun, 30 Aug
Air Canada Logo
5:00 p.m. - 12:09 a.m.
BOS
-
YQY
6h 09m
1 stop
Air Canada Logo
5:20 p.m. - 9:54 a.m.
YQY
-
BOS
17h 34m
2 stops
C$ 924Air Canada
Thu, 11 Jun - Sun, 14 Jun

Air Canada flights from Boston to Sydney, Nova Scotia

Our best Air Canada deals on Boston to Sydney, Nova Scotia flight tickets
Air Canada
3 Jun
BOS10:35 a.m.Boston Logan Intl
5h 04m
1 stop
YQY4:39 p.m.Sydney
6 Jun
YQY5:20 p.m.Sydney
5h 07m
1 stop
BOS9:27 p.m.Boston Logan Intl
C$ 871
Air Canada
14 Aug
BOS10:40 a.m.Boston Logan Intl
4h 59m
1 stop
YQY4:39 p.m.Sydney
16 Aug
YQY5:00 a.m.Sydney
5h 53m
1 stop
BOS9:53 a.m.Boston Logan Intl
C$ 878
Air Canada
3 Jun
BOS5:10 a.m.Boston Logan Intl
10h 29m
2 stops
YQY4:39 p.m.Sydney
6 Jun
YQY5:20 p.m.Sydney
5h 07m
1 stop
BOS9:27 p.m.Boston Logan Intl
C$ 882

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Sydney, Nova Scotia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 2 April 2026.
Use the filters below to find and compare flights from Boston to Sydney, Nova Scotia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Wed 3/6

10:35 a.m.-4:39 p.m.

1 stop5h 04m

Sydney

Sat 6/6

5:20 p.m.-9:27 p.m.

1 stop5h 07m

C$ 871

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Fri 14/8

10:40 a.m.-4:39 p.m.

1 stop4h 59m

Sydney

Sat 29/8

5:00 a.m.-11:52 a.m.

1 stop7h 52m

C$ 878

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Wed 3/6

5:10 a.m.-4:39 p.m.

2 stops10h 29m

Sydney

Sat 6/6

5:20 p.m.-9:27 p.m.

1 stop5h 07m

C$ 882

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Fri 12/6

5:00 p.m.-12:09 a.m.

1 stop6h 09m

Sydney

Sun 14/6

5:00 a.m.-9:54 a.m.

1 stop5h 54m

C$ 885

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Fri 12/6

5:10 a.m.-4:39 p.m.

2 stops10h 29m

Sydney

Sun 14/6

5:00 a.m.-9:54 a.m.

1 stop5h 54m

C$ 889

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Mon 20/7

10:40 a.m.-4:39 p.m.

1 stop4h 59m

Sydney

Sun 26/7

5:20 p.m.-8:44 a.m.

2 stops16h 24m

C$ 904

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Sat 16/5

10:45 a.m.-12:14 a.m.

1 stop12h 29m

Sydney

Wed 20/5

5:20 p.m.-9:27 p.m.

1 stop5h 07m

C$ 911

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Wed 13/5

5:50 a.m.-4:14 p.m.

1 stop9h 24m

Sydney

Wed 20/5

5:20 p.m.-9:27 p.m.

1 stop5h 07m

C$ 913

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Wed 26/8

6:00 a.m.-4:39 p.m.

2 stops9h 39m

Sydney

Sun 30/8

5:20 p.m.-8:44 a.m.

2 stops16h 24m

C$ 915

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Thu 11/6

5:00 p.m.-12:09 a.m.

1 stop6h 09m

Sydney

Sun 14/6

5:20 p.m.-9:54 a.m.

2 stops17h 34m

C$ 924

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Sydney from

How to get the cheapest flight ticket from Boston to Sydney, Nova Scotia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Boston and Sydney, Nova Scotia?

When to book flights from Boston to Sydney, Nova Scotia

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Sydney, Nova Scotia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Sydney, Nova Scotia (BOS to YQY) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Sydney, Nova Scotia

Fastest flight time

8h 58m

Direct flights

None
The fastest flight from Boston to Sydney, Nova Scotia takes 8h 58m
There are no direct flights from Boston to Sydney, Nova Scotia. There are no popular flight routes from Boston to Sydney, Nova Scotia.
Search flight deals

Frequently asked questions about flying from Boston to Sydney, Nova Scotia

  • How far is Boston Logan Intl to Sydney by plane?

    The straight-line distance from Boston Logan Intl to Sydney is 960.3 km. A reasonable flight in good conditions will take 8h 58m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Sydney Airport?

    Prices for flights from Boston Logan Intl Airport to Sydney Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Boston Logan Intl Airport to Sydney Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Sydney Airport.

  • What documentation or ID do you need to fly to Sydney Airport?

    The travel and health documents you'll need for your trip to Sydney Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sydney Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Cheticamp

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Sydney?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Sydney for you.

Can I find flights from Boston to Sydney with flexible booking policies on momondo?

Yes. All flights to Sydney from Boston on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Boston to Sydney?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boston to Sydney.

I’m not ready to book a flight from Boston to Sydney right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Boston to Sydney flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Sydney, Nova Scotia trip

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Find better results for your trip to Canada

Airports servicing Nova Scotia

Halifax Intl Airport