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Cheap flights from Sydney to Boston from $769

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 16/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:00 - 05:00
SYD
-
BOS
31h 00m
2 stops
Multiple Airlines Logo
14:45 - 12:35
BOS
-
SYD
30h 50m
2 stops
$1,455Multiple Airlines
Wed, 4 Mar - Wed, 11 Mar
Air Canada Logo
11:20 - 09:32
SYD
-
BOS
38h 12m
2 stops
Air Canada Logo
15:35 - 08:35
BOS
-
SYD
26h 00m
2 stops
$1,607Air Canada
Tue, 3 Mar - Tue, 10 Mar
Multiple Airlines Logo
09:20 - 22:38
SYD
-
BOS
27h 18m
2 stops
Multiple Airlines Logo
15:08 - 07:20
BOS
-
SYD
26h 12m
2 stops
$1,610Multiple Airlines
Thu, 30 Apr - Tue, 12 May
Air Canada Logo
09:20 - 22:38
SYD
-
BOS
27h 18m
2 stops
Air Canada Logo
05:30 - 07:20
BOS
-
SYD
35h 50m
2 stops
$1,616Air Canada
Wed, 22 Apr - Thu, 30 Apr
Air Canada Logo
11:20 - 09:32
SYD
-
BOS
38h 12m
3 stops
Air Canada Logo
10:15 - 08:35
BOS
-
SYD
31h 20m
2 stops
$1,619Air Canada
Tue, 3 Mar - Tue, 10 Mar
Air Canada Logo
09:20 - 22:38
SYD
-
BOS
27h 18m
2 stops
Air Canada Logo
10:35 - 07:20
BOS
-
SYD
30h 45m
3 stops
$1,628Air Canada
Thu, 30 Apr - Tue, 12 May
Air New Zealand Logo
11:45 - 00:49
SYD
-
BOS
29h 04m
2 stops
Air New Zealand Logo
09:47 - 08:45
BOS
-
SYD
30h 58m
2 stops
$1,630Air New Zealand
Sun, 15 Feb - Sun, 22 Feb
Qantas Airways Logo
09:10 - 16:53
SYD
-
BOS
21h 43m
1 stop
Qantas Airways Logo
17:00 - 07:05
BOS
-
SYD
24h 05m
1 stop
$1,636Qantas Airways
Thu, 30 Apr - Tue, 12 May
Air Canada Logo
09:20 - 22:38
SYD
-
BOS
27h 18m
2 stops
Air Canada Logo
05:50 - 07:20
BOS
-
SYD
35h 30m
2 stops
$1,640Air Canada
Thu, 30 Apr - Tue, 12 May
Air New Zealand Logo
09:55 - 07:21
SYD
-
BOS
37h 26m
2 stops
Air New Zealand Logo
07:15 - 10:30
BOS
-
SYD
36h 15m
2 stops
$1,646Air New Zealand
Mon, 2 Mar - Mon, 9 Mar

Air Canada flights from Sydney to Boston

Our best Air Canada deals on Sydney to Boston flight tickets
Air Canada
3 Mar
SYD11:20Sydney Kingsford Smith
38h 12m
2 stops
BOS09:32Boston Logan Intl
10 Mar
BOS15:35Boston Logan Intl
26h 00m
2 stops
SYD08:35Sydney Kingsford Smith
$1,607
Air Canada
22 Apr
SYD09:20Sydney Kingsford Smith
27h 18m
2 stops
BOS22:38Boston Logan Intl
30 Apr
BOS05:30Boston Logan Intl
35h 50m
2 stops
SYD07:20Sydney Kingsford Smith
$1,616
Air Canada
3 Mar
SYD11:20Sydney Kingsford Smith
38h 12m
3 stops
BOS09:32Boston Logan Intl
10 Mar
BOS10:15Boston Logan Intl
31h 20m
2 stops
SYD08:35Sydney Kingsford Smith
$1,619

American Airlines flights from Sydney to Boston

Our best American Airlines deals on Sydney to Boston flight tickets
American Airlines
22 Jan
SYD11:20Sydney Kingsford Smith
23h 47m
2 stops
BOS19:07Boston Logan Intl
4 Feb
BOS11:00Boston Logan Intl
30h 00m
1 stop
SYD09:00Sydney Kingsford Smith
$1,730
American Airlines
18 Mar
SYD11:20Sydney Kingsford Smith
27h 39m
2 stops
BOS23:59Boston Logan Intl
22 Mar
BOS12:35Boston Logan Intl
29h 25m
2 stops
SYD09:00Sydney Kingsford Smith
$1,736
American Airlines
3 Mar
SYD11:20Sydney Kingsford Smith
26h 51m
1 stop
BOS22:11Boston Logan Intl
10 Mar
BOS17:20Boston Logan Intl
24h 40m
1 stop
SYD09:00Sydney Kingsford Smith
$1,748

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 18 January 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

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 4/3

14:00-05:00

2 stops31h 00m

Boston Logan Intl

Wed 11/3

14:45-12:35

2 stops30h 50m

$1,455

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Tue 3/3

11:20-09:32

2 stops38h 12m

Boston Logan Intl

Tue 10/3

15:35-08:35

2 stops26h 00m

$1,607

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 30/4

09:20-22:38

2 stops27h 18m

Boston Logan Intl

Tue 12/5

15:08-07:20

2 stops26h 12m

$1,610

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 22/4

09:20-22:38

2 stops27h 18m

Boston Logan Intl

Thu 30/4

05:30-07:20

2 stops35h 50m

$1,616

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Tue 3/3

11:20-09:32

3 stops38h 12m

Boston Logan Intl

Tue 10/3

10:15-08:35

2 stops31h 20m

$1,619

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 30/4

09:20-22:38

2 stops27h 18m

Boston Logan Intl

Tue 12/5

10:35-07:20

3 stops30h 45m

$1,628

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Sun 15/2

11:45-00:49

2 stops29h 04m

Boston Logan Intl

Sun 22/2

09:47-08:45

2 stops30h 58m

$1,630

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 30/4

09:10-16:53

1 stop21h 43m

Boston Logan Intl

Tue 12/5

17:00-07:05

1 stop24h 05m

$1,636

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 30/4

09:20-22:38

2 stops27h 18m

Boston Logan Intl

Tue 12/5

05:50-07:20

2 stops35h 30m

$1,640

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 2/3

09:55-07:21

2 stops37h 26m

Boston Logan Intl

Mon 9/3

07:15-10:30

2 stops36h 15m

$1,646

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, October 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 $1,531. The month of November is another great option to travel to Boston, with average flight prices from Sydney averaging around $1,710.

How far in advance should I book a flight 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 $1,859 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 $1,721 on momondo.

Can stopping save me money on Sydney to Boston flights?

You could potentially save up to 10% 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 January 2026, prices for Sydney to Boston flights are approximately 23% 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

21h 43m

Direct flights

None
The fastest flight from Sydney to Boston takes 21h 43m
There are no direct flights from Sydney to Boston. There are no popular flight routes from Sydney to Boston.
Search flight deals

  • 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 21h 43m.

  • 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 $741Free cancellationRating
7.6
430 reviews
Search Virgin Australia flights
Hawaiian AirlinesPriceFrom $956Free cancellationRating
7.8
2,828 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $1,186Free cancellationRating
7.1
10,632 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,189Free cancellationRating
7.4
9,176 reviews
Search United Airlines flights
DeltaPriceFrom $1,237Free cancellationRating
7.9
8,075 reviews
Search Delta flights
American AirlinesPriceFrom $1,321Free cancellationRating
7.2
11,157 reviews
Search American Airlines flights
Air New ZealandPriceFrom $1,570Free cancellationRating
8.0
572 reviews
Search Air New Zealand flights
Qantas AirwaysPriceFrom $1,573Free cancellationRating
7.5
972 reviews
Search Qantas Airways flights
Cathay PacificPriceFrom $1,841Free cancellationRating
7.6
1,133 reviews
Search Cathay Pacific flights
Japan AirlinesPriceFrom $1,864Free cancellationRating
8.3
1,685 reviews
Search Japan Airlines flights

Travelling to a place near Boston?

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

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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