Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Boston to Sydney from C$ 483

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Sydney departing on 14/10. 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

Find the cheapest flights from Boston to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
10:40 a.m. - 4:38 p.m.
BOS
-
YQY
4h 58m
1 stop
Air Canada Logo
5:20 p.m. - 9:26 p.m.
YQY
-
BOS
5h 06m
1 stop
C$ 1,035Air Canada
Wed, 14 Oct - Sat, 17 Oct
Air Canada Logo
4:55 p.m. - 12:12 a.m.
BOS
-
YQY
6h 17m
1 stop
Air Canada Logo
5:20 p.m. - 9:26 p.m.
YQY
-
BOS
5h 06m
1 stop
C$ 1,042Air Canada
Fri, 4 Sep - Mon, 7 Sep
Air Canada Logo
6:00 a.m. - 4:38 p.m.
BOS
-
YQY
9h 38m
2 stops
Air Canada Logo
5:20 p.m. - 9:26 p.m.
YQY
-
BOS
5h 06m
1 stop
C$ 1,046Air Canada
Wed, 14 Oct - Sat, 17 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. - 8:52 a.m.
YQY
-
BOS
16h 32m
2 stops
C$ 1,079Air Canada
Wed, 14 Oct - Sat, 17 Oct
Air Canada Logo
10:40 a.m. - 4:14 p.m.
BOS
-
YQY
4h 34m
1 stop
Air Canada Logo
5:05 p.m. - 9:27 p.m.
YQY
-
BOS
5h 22m
1 stop
C$ 1,083Air Canada
Fri, 17 Jul - Tue, 21 Jul
Air Canada Logo
4:55 p.m. - 12:07 a.m.
BOS
-
YQY
6h 12m
1 stop
Air Canada Logo
5:05 p.m. - 9:27 p.m.
YQY
-
BOS
5h 22m
1 stop
C$ 1,090Air Canada
Wed, 15 Jul - Fri, 17 Jul
Air Canada Logo
6:00 a.m. - 4:14 p.m.
BOS
-
YQY
9h 14m
2 stops
Air Canada Logo
5:05 p.m. - 9:27 p.m.
YQY
-
BOS
5h 22m
1 stop
C$ 1,095Air Canada
Sun, 26 Jul - Wed, 29 Jul
Air Canada Logo
4:55 p.m. - 12:07 a.m.
BOS
-
YQY
6h 12m
1 stop
Air Canada Logo
5:05 a.m. - 9:53 a.m.
YQY
-
BOS
5h 48m
1 stop
C$ 1,097Air Canada
Sat, 25 Jul - Sun, 2 Aug
Air Canada Logo
6:00 a.m. - 4:14 p.m.
BOS
-
YQY
9h 14m
2 stops
Air Canada Logo
5:05 a.m. - 9:53 a.m.
YQY
-
BOS
5h 48m
1 stop
C$ 1,102Air Canada
Fri, 24 Jul - Sun, 26 Jul
Air Canada Logo
10:40 a.m. - 4:20 p.m.
BOS
-
YQY
4h 40m
1 stop
Air Canada Logo
5:05 a.m. - 2:41 p.m.
YQY
-
BOS
10h 36m
2 stops
C$ 1,106Air Canada
Sat, 15 Aug - Sat, 22 Aug

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Air Canada flights from Boston to Sydney, Nova Scotia

Our best Air Canada deals on Boston to Sydney, Nova Scotia flight tickets
Air Canada
14 Oct
BOS10:40 a.m.Boston Logan Intl
4h 58m
1 stop
YQY4:38 p.m.Sydney
17 Oct
YQY5:20 p.m.Sydney
5h 06m
1 stop
BOS9:26 p.m.Boston Logan Intl
C$ 1,035
Air Canada
4 Sep
BOS4:55 p.m.Boston Logan Intl
6h 17m
1 stop
YQY12:12 a.m.Sydney
7 Sep
YQY5:20 p.m.Sydney
5h 06m
1 stop
BOS9:26 p.m.Boston Logan Intl
C$ 1,042
Air Canada
14 Oct
BOS6:00 a.m.Boston Logan Intl
9h 38m
2 stops
YQY4:38 p.m.Sydney
17 Oct
YQY5:20 p.m.Sydney
5h 06m
1 stop
BOS9:26 p.m.Boston Logan Intl
C$ 1,046

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 July 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

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Wed 14/10

10:40 a.m.-4:38 p.m.

1 stop4h 58m

Sydney

Sat 17/10

5:20 p.m.-9:26 p.m.

1 stop5h 06m

C$ 1,035

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Fri 4/9

4:55 p.m.-12:12 a.m.

1 stop6h 17m

Sydney

Mon 7/9

5:20 p.m.-9:26 p.m.

1 stop5h 06m

C$ 1,042

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Wed 14/10

6:00 a.m.-4:38 p.m.

2 stops9h 38m

Sydney

Sat 17/10

5:20 p.m.-9:26 p.m.

1 stop5h 06m

C$ 1,046

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Wed 14/10

6:00 a.m.-4:38 p.m.

2 stops9h 38m

Sydney

Sat 17/10

5:20 p.m.-8:52 a.m.

2 stops16h 32m

C$ 1,079
Quickest round-trip

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Fri 17/7

10:40 a.m.-4:14 p.m.

1 stop4h 34m

Sydney

Tue 21/7

5:05 p.m.-9:27 p.m.

1 stop5h 22m

C$ 1,083

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Wed 15/7

4:55 p.m.-12:07 a.m.

1 stop6h 12m

Sydney

Fri 17/7

5:05 p.m.-9:27 p.m.

1 stop5h 22m

C$ 1,090

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Sun 26/7

6:00 a.m.-4:14 p.m.

2 stops9h 14m

Sydney

Wed 29/7

5:05 p.m.-9:27 p.m.

1 stop5h 22m

C$ 1,095

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Sat 25/7

4:55 p.m.-12:07 a.m.

1 stop6h 12m

Sydney

Sun 2/8

5:05 a.m.-9:53 a.m.

1 stop5h 48m

C$ 1,097

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Fri 24/7

6:00 a.m.-4:14 p.m.

2 stops9h 14m

Sydney

Sun 26/7

5:05 a.m.-9:53 a.m.

1 stop5h 48m

C$ 1,102

BostonSydney

BOS - YQY

BOSYQY

Boston Logan Intl

Sat 15/8

10:40 a.m.-4:20 p.m.

1 stop4h 40m

Sydney

Sat 22/8

5:05 a.m.-2:41 p.m.

2 stops10h 36m

C$ 1,106

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 cheapest airline that flies from Boston Logan Intl to Sydney?

Air Canada is the most popular carrier operating from Boston Logan Intl to Sydney

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

35h 15m

Direct flights

None
The fastest flight from Boston to Sydney, Nova Scotia takes 35h 15m
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 35h 15m.

  • 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 1/8
Sat 8/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Canada

Airports servicing Nova Scotia

Halifax Intl Airport