£530 Cheap Flights from Boston (BOS) to Sydney (SYD)

View £530 flight on Tue, 28 Jul 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Boston (BOS) to Sydney (SYD)

Prices were available within the past 7 days and start at £530 for one-way flights and £929 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sat, 20 Jun - Sat, 18 Jul
BOS
Boston
SYD
Sydney
£929 Return, found 2 days ago
£929
Return
found 2 days ago
Select Air Canada flight, departing Sat, 20 Jun from Boston to Sydney, returning Sat, 18 Jul, priced at £929 found 2 days ago
Air Canada
Sat, 20 Jun - Sat, 18 Jul
BOS
Boston
SYD
Sydney
£933 Return, found 2 days ago
£933
Return
found 2 days ago
Select Air Canada flight, departing Sat, 20 Jun from Boston to Sydney, returning Sat, 18 Jul, priced at £933 found 2 days ago
Air Canada
Sat, 20 Jun - Sat, 18 Jul
BOS
Boston
SYD
Sydney
£936 Return, found 2 days ago
£936
Return
found 2 days ago
Select Air Canada flight, departing Sat, 20 Jun from Boston to Sydney, returning Sat, 18 Jul, priced at £936 found 2 days ago
All Nippon Airways
Thu, 27 Aug - Tue, 15 Sept
BOS
Boston
SYD
Sydney
£1,054 Return, found 12 hours ago
£1,054
Return
found 12 hours ago
Select All Nippon Airways flight, departing Thu, 27 Aug from Boston to Sydney, returning Tue, 15 Sept, priced at £1,054 found 12 hours ago
Turkish Airlines
Wed, 6 Jan - Thu, 4 Mar
BOS
Boston
SYD
Sydney
£1,063 Return, found 12 hours ago
£1,063
Return
found 12 hours ago
Select Turkish Airlines flight, departing Wed, 6 Jan from Boston to Sydney, returning Thu, 4 Mar, priced at £1,063 found 12 hours ago
Qatar Airways
Tue, 20 Oct - Mon, 2 Nov
BOS
Boston
SYD
Sydney
£1,114 Return, found 12 hours ago
£1,114
Return
found 12 hours ago
Select Qatar Airways flight, departing Tue, 20 Oct from Boston to Sydney, returning Mon, 2 Nov, priced at £1,114 found 12 hours ago
Etihad Airways
Tue, 13 Oct - Mon, 26 Oct
BOS
Boston
SYD
Sydney
£1,164 Return, found 12 hours ago
£1,164
Return
found 12 hours ago
Select Etihad Airways flight, departing Tue, 13 Oct from Boston to Sydney, returning Mon, 26 Oct, priced at £1,164 found 12 hours ago
United
Mon, 20 Jul - Tue, 4 Aug
BOS
Boston
SYD
Sydney
£1,169 Return, found 12 hours ago
£1,169
Return
found 12 hours ago
Select United flight, departing Mon, 20 Jul from Boston to Sydney, returning Tue, 4 Aug, priced at £1,169 found 12 hours ago
Delta
Sat, 25 Jul - Sun, 9 Aug
BOS
Boston
SYD
Sydney
£1,169 Return, found 12 hours ago
£1,169
Return
found 12 hours ago
Select Delta flight, departing Sat, 25 Jul from Boston to Sydney, returning Sun, 9 Aug, priced at £1,169 found 12 hours ago
Qantas Airways
Mon, 8 Jun - Tue, 23 Jun
BOS
Boston
SYD
Sydney
£1,204 Return, found 12 hours ago
£1,204
Return
found 12 hours ago
Select Qantas Airways flight, departing Mon, 8 Jun from Boston to Sydney, returning Tue, 23 Jun, priced at £1,204 found 12 hours ago

Alternative airports near Sydney

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

Select flight to Kingsford Smith Intl. SYD. Cheapest option available. Average driving time to city centre is 16 minutes. Flights from £1,112
SYD
Kingsford Smith Intl.
Cheapest
Average driving time to city centre16 min
Flights from £1,112

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

May is typically the cheapest month to fly

From £722 - £1,158 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 £929. 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.
Airlines serving
Air Canada, Air New Zealand, All Nippon Airways, American Airlines, British Airways, Cathay Pacific, Delta, Emirates, Etihad Airways, JetBlue Airways, Korean Air, LATAM Airlines Group, Qantas Airways, Qatar Airways, Turkish Airlines, United
Return price
£929
Distance
16155 km

Explore a world of travel with Expedia

*Available to Expedia members.