￥128,970 Cheap flights from Boston to Sydney (BOS to SYD)

Popular airlines from Logan International Airport (BOS) to Sydney Airport (SYD)

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Cheap Flights from Boston to Sydney (BOS-SYD)

Prices were available within the past 7 days and start at ￥128,970 for one-way flights and ￥221,190 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All deals

One way

Roundtrip

Fri, Jul 3 - Mon, Jul 13

BOS

Boston

SYD

Sydney

￥221,190

Roundtrip

found 11 hours ago

Fri, Jul 3 - Mon, Jul 13

BOS

Boston

SYD

Sydney

￥221,960

Roundtrip

found 11 hours ago

Thu, Nov 5 - Tue, Nov 10

BOS

Boston

SYD

Sydney

￥232,250

Roundtrip

found 1 day ago

Fri, Jul 3 - Mon, Jul 13

BOS

Boston

SYD

Sydney

￥239,190

Roundtrip

found 11 hours ago

Fri, Jul 3 - Mon, Jul 13

BOS

Boston

SYD

Sydney

￥239,960

Roundtrip

found 11 hours ago

Fri, Jul 3 - Mon, Jul 13

BOS

Boston

SYD

Sydney

￥240,730

Roundtrip

found 11 hours ago

Thu, May 7 - Wed, May 20

BOS

Boston

SYD

Sydney

￥245,700

Roundtrip

found 4 days ago

Thu, May 7 - Wed, May 20

BOS

Boston

SYD

Sydney

￥254,470

Roundtrip

found 4 days ago

Thu, May 7 - Wed, May 20

BOS

Boston

SYD

Sydney

￥254,510

Roundtrip

found 4 days ago

Fri, Jul 3 - Mon, Jul 13

BOS

Boston

SYD

Sydney

￥257,860

Roundtrip

found 11 hours ago

Alternative airports near Sydney

Prices were available within the past 7 days. Prices and availability are subject to change.

SYD

Kingsford Smith Intl.

Cheapest

16 min

Flights from ￥274,350

Find the cheapest month to fly from Boston (BOS) to Sydney (SYD)

May is typically the cheapest month to fly

From ￥151,936 - ￥243,779 per traveler.

Frequently asked questions

How much is a flight from Logan Intl. Airport to Mascot Airport?

Start packing your bags, because round-trip journeys from Logan Intl. Airport to SYD start from ￥221,190. That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book today to nab the best deal. Prices and availability are subject to change. Additional terms apply.

Do I need to pay a cancellation fee if I cancel my flight from Logan Intl. Airport (BOS) to Sydney Airport?

This can vary between air carriers, as each one has its own set of terms and conditions. Head to the Customer Service Portal, where you'll find simple instructions on how to cancel online.

How do I find cheap flights from BOS to Mascot Airport that have flexible change policies?

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Logan Intl. Airport to SYD flights, you'll see a "no change fees" filter for you to select.

How many hours is the flight from BOS to Mascot Airport?

From Logan Intl. Airport to Sydney Airport, you'll be in the air for about 22 hours and 44 minutes. If you've been looking forward to finishing that novel, now's a good time to do it.

How far is the flight from Logan Intl. Airport to Sydney Airport?

The distance is around 16,300 kilometers, so fill your carry-on luggage with all the things you need to make your journey comfortable. Not sure what to take on board your Boston to Sydney flight? A neck pillow, earplugs and a sleep mask are a few essentials.

Which airlines fly direct from Logan Intl. Airport (BOS) to Sydney Airport?

You won't find any airlines operating directly between Logan Intl. Airport (BOS) and Mascot Airport, so be prepared to make at least one stop on your journey. A layover can be a welcome way to break up a trip!

Are Logan Intl. Airport to SYD flight tickets cheaper when they're purchased at the last minute?

Booking your trip from BOS to Mascot Airport last minute could be your ticket to a fantastic deal. However, it might cost you a whole lot more! If you'd rather not take any chances, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back regularly as deals are updated all the time on Expedia.

Travel information

Origin airport	Logan Intl.
Destination airport	Kingsford Smith Intl.
Airlines serving	Air Canada, American Airlines, British Airways, Cathay Pacific, Delta, Emirates, Etihad Airways, Korean Air, Qantas Airways, Qatar Airways, United
Roundtrip price	￥221,190
Distance	16155 km

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￥128,970 Cheap Flights from Boston (BOS) to Sydney (SYD)

Popular airlines from Logan International Airport (BOS) to Sydney Airport (SYD)

Be in the know

Book smarter

Earn twice

Cheap Flights from Boston to Sydney (BOS-SYD)

Alternative airports near Sydney

Find the cheapest month to fly from Boston (BOS) to Sydney (SYD)

May is typically the cheapest month to flyMay is typically the cheapest month to fly

Frequently asked questions

Travel information

Explore a world of travel with Expedia

May is typically the cheapest month to fly