S$1,077 Cheap Flights from Boston to Sydney

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

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards

Cheap Flights from Boston to Sydney (BOS-SYD)

Prices were available within the past 7 days and start at S$1,077 for one-way flights and S$2,008 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
United
United
Delta
Qantas Airways
Qatar Airways
Qatar Airways
American Airlines
Air Canada
Qantas Airways

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

April is typically the cheapest month to fly

From S$1,040 - S$2,201 per traveller.

Frequently asked questions

How much is a flight from Logan Intl. Airport to Sydney Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip flight from Logan Intl. Airport (BOS) to SYD was S$2,008. Cheap fares don't hang around forever, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BOS to Sydney Airport?
This differs between air carriers, as each has its own terms and conditions. Visit the Customer Service Portal, where there are simple instructions on how to cancel your flight online.
How do I find cheap flights from BOS to Sydney 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 (BOS) to Mascot Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Logan Intl. Airport (BOS) to Kingsford Smith Intl. Airport (SYD)?
You'll have 16,300 kilometres to cover on the long-haul Boston to Sydney route. Wear layers of comfortable clothes and consider taking a sleep mask and earplugs.
Which airlines fly direct from BOS to Mascot Airport?
If you want to travel straight from Logan Intl. Airport to SYD, you'll need to book a flight with at least one stop. Unfortunately, there aren't any airlines that fly directly between these airports.
Are BOS to Sydney Airport flight tickets cheaper when they're purchased at the last minute?
Fares from Logan Intl. Airport to Sydney Airport are available up to 12 months before departure on Expedia. And although you may score great last-minute deal, it's never something you can count on. Also, booking your flights ahead of time means you'll have more choices — and you can avoid landing the dreaded middle seat! We frequently update our fares to bring you the biggest bargains, so keep checking in for all the latest specials.

Travel information

Origin airport
Logan Intl.
Destination airport
Kingsford Smith Intl.
Return price
S$2,008
Distance
16155 km

Book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.