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Cheap flights from Sydney to Boston from $864

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Boston departing on 30/8. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sydney to Boston

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
09:10 - 20:59
SYD
-
BOS
25h 49m
2 stops
British Airways Logo
16:27 - 07:05
BOS
-
SYD
24h 38m
2 stops
$1,371British Airways
Mon, 27 Jul - Tue, 11 Aug
British Airways Logo
09:10 - 16:38
SYD
-
BOS
21h 28m
1 stop
British Airways Logo
16:27 - 07:05
BOS
-
SYD
24h 38m
2 stops
$1,376British Airways
Mon, 27 Jul - Tue, 11 Aug
British Airways Logo
09:10 - 16:38
SYD
-
BOS
21h 28m
1 stop
British Airways Logo
07:00 - 07:05
BOS
-
SYD
34h 05m
1 stop
$1,383British Airways
Mon, 27 Jul - Tue, 11 Aug
British Airways Logo
09:10 - 20:59
SYD
-
BOS
25h 49m
2 stops
British Airways Logo
16:27 - 07:05
BOS
-
SYD
24h 38m
2 stops
$1,385British Airways
Mon, 27 Jul - Tue, 11 Aug
British Airways Logo
09:10 - 16:38
SYD
-
BOS
21h 28m
1 stop
British Airways Logo
16:27 - 07:05
BOS
-
SYD
24h 38m
2 stops
$1,389British Airways
Mon, 27 Jul - Tue, 11 Aug
British Airways Logo
09:10 - 20:59
SYD
-
BOS
25h 49m
2 stops
British Airways Logo
11:35 - 06:55
BOS
-
SYD
29h 20m
2 stops
$1,396British Airways
Mon, 27 Jul - Wed, 12 Aug
British Airways Logo
09:10 - 16:38
SYD
-
BOS
21h 28m
1 stop
British Airways Logo
15:18 - 06:55
BOS
-
SYD
25h 37m
2 stops
$1,404British Airways
Mon, 27 Jul - Wed, 12 Aug
Qantas Airways Logo
09:10 - 23:44
SYD
-
BOS
28h 34m
1 stop
Qantas Airways Logo
10:30 - 07:05
BOS
-
SYD
30h 35m
1 stop
$1,408Qantas Airways
Thu, 6 Aug - Mon, 17 Aug
British Airways Logo
09:10 - 16:38
SYD
-
BOS
21h 28m
1 stop
British Airways Logo
16:59 - 07:30
BOS
-
SYD
24h 31m
1 stop
$1,409British Airways
Mon, 27 Jul - Wed, 12 Aug
Qantas Airways Logo
09:10 - 16:38
SYD
-
BOS
21h 28m
1 stop
Qantas Airways Logo
10:30 - 07:05
BOS
-
SYD
30h 35m
1 stop
$1,412Qantas Airways
Mon, 27 Jul - Tue, 11 Aug

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British Airways flights from Sydney to Boston

Our best British Airways deals on Sydney to Boston flight tickets
British Airways
27 July
SYD09:10Sydney Kingsford Smith
25h 49m
2 stops
BOS20:59Boston Logan Intl
11 Aug
BOS16:27Boston Logan Intl
24h 38m
2 stops
SYD07:05Sydney Kingsford Smith
$1,370
British Airways
27 July
SYD09:10Sydney Kingsford Smith
21h 28m
1 stop
BOS16:38Boston Logan Intl
11 Aug
BOS16:27Boston Logan Intl
24h 38m
2 stops
SYD07:05Sydney Kingsford Smith
$1,376
British Airways
27 July
SYD09:10Sydney Kingsford Smith
21h 28m
1 stop
BOS16:38Boston Logan Intl
11 Aug
BOS07:00Boston Logan Intl
34h 05m
1 stop
SYD07:05Sydney Kingsford Smith
$1,383

American Airlines flights from Sydney to Boston

Our best American Airlines deals on Sydney to Boston flight tickets
American Airlines
27 July
SYD09:10Sydney Kingsford Smith
23h 47m
2 stops
BOS18:57Boston Logan Intl
11 Aug
BOS10:30Boston Logan Intl
30h 35m
1 stop
SYD07:05Sydney Kingsford Smith
$1,415
American Airlines
27 July
SYD09:10Sydney Kingsford Smith
23h 30m
1 stop
BOS18:40Boston Logan Intl
11 Aug
BOS10:30Boston Logan Intl
30h 35m
1 stop
SYD07:05Sydney Kingsford Smith
$1,417
American Airlines
27 July
SYD09:10Sydney Kingsford Smith
23h 37m
2 stops
BOS18:47Boston Logan Intl
11 Aug
BOS15:53Boston Logan Intl
25h 12m
2 stops
SYD07:05Sydney Kingsford Smith
$1,418

momondo Fare Finder

 
Customise your flight search to find flights from Sydney to Boston 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 78,305 searches. Data last updated 13 July 2026.
Use the filters below to find and compare flights from Sydney to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 27/7

09:10-20:59

2 stops25h 49m

Boston Logan Intl

Tue 11/8

16:27-07:05

2 stops24h 38m

$1,370

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 27/7

09:10-16:38

1 stop21h 28m

Boston Logan Intl

Tue 11/8

16:27-07:05

2 stops24h 38m

$1,376

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 27/7

09:10-16:38

1 stop21h 28m

Boston Logan Intl

Tue 11/8

07:00-07:05

1 stop34h 05m

$1,383

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 27/7

09:10-20:59

2 stops25h 49m

Boston Logan Intl

Tue 11/8

16:27-07:05

2 stops24h 38m

$1,385

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 27/7

09:10-16:38

1 stop21h 28m

Boston Logan Intl

Tue 11/8

16:27-07:05

2 stops24h 38m

$1,389

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 27/7

09:10-20:59

2 stops25h 49m

Boston Logan Intl

Wed 12/8

11:35-06:55

2 stops29h 20m

$1,396

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 27/7

09:10-16:38

1 stop21h 28m

Boston Logan Intl

Wed 12/8

15:18-06:55

2 stops25h 37m

$1,404

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 6/8

09:10-23:44

1 stop28h 34m

Boston Logan Intl

Mon 17/8

10:30-07:05

1 stop30h 35m

$1,408
Fastest return journey

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 27/7

09:10-16:38

1 stop21h 28m

Boston Logan Intl

Wed 12/8

16:59-07:30

1 stop24h 31m

$1,409

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 27/7

09:10-16:38

1 stop21h 28m

Boston Logan Intl

Tue 11/8

10:30-07:05

1 stop30h 35m

$1,412

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Boston from

How to get the cheapest flight ticket from Sydney to Boston

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 Sydney and Boston?

What is the cheapest month to fly to Boston?

In general, January is the cheapest month to fly from Sydney to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,205. The month of October is another great option to travel to Boston, with average flight prices from Sydney averaging around $1,220.

How far in advance should I book a flight from Sydney to Boston?

You are more likely to see cheaper flights to Boston from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $1,724 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Sydney for as low as $1,520 on momondo.

Can stopping save me money on Sydney to Boston flights?

You could potentially save up to 26% on your flight if you consider stops on a Sydney to Boston flight.

How have Sydney to Boston flight prices changed over time?

As of July 2026, prices for Sydney to Boston flights are approximately 25% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to Boston

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

Cheap Sydney to Boston (SYD to BOS) flight deals and tips

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

Fastest flight time

22h 25m

Direct flights

None
The fastest flight from Sydney to Boston takes 22h 25m
There are no direct flights from Sydney to Boston. There are no popular flight routes from Sydney to Boston.
Search flight deals

Frequently asked questions about flying from Sydney to Boston

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

    Sydney Kingsford Smith and Boston Logan Intl are 16229.2 km apart from one another. In terms of flight time, this usually takes a little over 22h 25m.

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

    Prices for flights from Sydney Kingsford Smith Airport to Boston Logan Intl Airport were last updated today.

  • How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Boston Logan Intl Airport?

  • How old do you have to be to fly from Sydney Kingsford Smith Airport to Boston Logan Intl 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 Sydney Kingsford Smith Airport to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The required travel and health documents for your Boston Logan Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Boston Logan Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Sydney to Boston?

Best airlines flying from Sydney to Boston

Compare and see reviews for airlines that fly from Sydney to Boston with momondo
Airline
Rating
Free cancellation
Price
Virgin AustraliaPriceFrom $713Free cancellationRating
7.6
463 reviews
Search Virgin Australia flights
Air CanadaPriceFrom $1,080Free cancellationRating
7.1
11,336 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,144Free cancellationRating
7.4
9,988 reviews
Search United Airlines flights
DeltaPriceFrom $1,190Free cancellationRating
7.8
8,468 reviews
Search Delta flights
Qantas AirwaysPriceFrom $1,225Free cancellationRating
7.5
1,061 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,271Free cancellationRating
7.1
11,811 reviews
Search American Airlines flights
Air New ZealandPriceFrom $1,538Free cancellationRating
8.0
653 reviews
Search Air New Zealand flights

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Brookline
Old Orchard Beach
Salem
Revere
Hull
Sturbridge
Randolph

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Boston from Sydney.

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

Flights from Sydney to Boston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Sydney to Boston flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Boston, momondo offers a useful price alert feature which will track prices for flights to Boston from Sydney and alert you when they change.

An easier way to manage your Boston trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
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