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Cheap flights from Sydney to Boston from $712

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 2/2. 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.
Qantas Airways Logo
11:20 - 16:21
SYD
-
BOS
21h 01m1 stop
Qantas Airways Logo
16:50 - 09:00
BOS
-
SYD
24h 10m1 stop
$1,604Qantas Airways
Tue, 10 Feb - Tue, 17 Feb
Air New Zealand Logo
09:55 - 07:36
SYD
-
BOS
35h 41m2 stops
Air New Zealand Logo
08:00 - 08:45
BOS
-
SYD
34h 45m2 stops
$1,607Air New Zealand
Fri, 8 May - Sat, 23 May
Qantas Airways Logo
09:10 - 16:53
SYD
-
BOS
21h 43m1 stop
Qantas Airways Logo
10:00 - 07:05
BOS
-
SYD
31h 05m1 stop
$1,612Qantas Airways
Thu, 30 Apr - Tue, 12 May
Air New Zealand Logo
11:45 - 07:21
SYD
-
BOS
35h 36m2 stops
Air New Zealand Logo
07:15 - 08:45
BOS
-
SYD
33h 30m2 stops
$1,613Air New Zealand
Sun, 15 Feb - Thu, 26 Feb
Air Canada Logo
09:20 - 21:27
SYD
-
BOS
26h 07m2 stops
Air Canada Logo
10:35 - 07:20
BOS
-
SYD
30h 45m2 stops
$1,616Air Canada
Thu, 30 Apr - Tue, 12 May
Air Canada Logo
09:20 - 21:27
SYD
-
BOS
26h 07m2 stops
Air Canada Logo
12:30 - 07:20
BOS
-
SYD
28h 50m1 stop
$1,624Air Canada
Thu, 30 Apr - Tue, 12 May
Air New Zealand Logo
11:55 - 06:21
SYD
-
BOS
32h 26m2 stops
Air New Zealand Logo
08:00 - 08:45
BOS
-
SYD
34h 45m2 stops
$1,627Air New Zealand
Wed, 29 Apr - Sat, 2 May
Multiple Airlines Logo
09:20 - 21:27
SYD
-
BOS
26h 07m2 stops
Multiple Airlines Logo
15:19 - 07:20
BOS
-
SYD
26h 01m2 stops
$1,628Multiple Airlines
Thu, 30 Apr - Tue, 12 May
Air New Zealand Logo
09:55 - 06:17
SYD
-
BOS
34h 22m2 stops
Air New Zealand Logo
08:00 - 08:45
BOS
-
SYD
34h 45m2 stops
$1,636Air New Zealand
Mon, 4 May - Thu, 28 May
Air Canada Logo
11:20 - 09:32
SYD
-
BOS
38h 12m2 stops
Air Canada Logo
13:00 - 09:35
BOS
-
SYD
28h 35m2 stops
$1,640Air Canada
Tue, 10 Feb - Tue, 17 Feb

Qantas Airways flights from Sydney to Boston

Our best Qantas Airways deals on Sydney to Boston flight tickets
Qantas Airways
10 Feb
SYD11:20Sydney Kingsford Smith
21h 01m
1 stop
BOS16:21Boston Logan Intl
17 Feb
BOS16:50Boston Logan Intl
24h 10m
1 stop
SYD09:00Sydney Kingsford Smith
$1,604
Qantas Airways
30 Apr
SYD09:10Sydney Kingsford Smith
21h 43m
1 stop
BOS16:53Boston Logan Intl
12 May
BOS10:00Boston Logan Intl
31h 05m
1 stop
SYD07:05Sydney Kingsford Smith
$1,612
Qantas Airways
23 Feb
SYD14:05Sydney Kingsford Smith
41h 08m
1 stop
BOS15:13Boston Logan Intl
8 Mar
BOS09:30Boston Logan Intl
32h 30m
1 stop
SYD09:00Sydney Kingsford Smith
$1,710

Air New Zealand flights from Sydney to Boston

Our best Air New Zealand deals on Sydney to Boston flight tickets
Air New Zealand
8 May
SYD09:55Sydney Kingsford Smith
35h 41m
2 stops
BOS07:36Boston Logan Intl
23 May
BOS08:00Boston Logan Intl
34h 45m
2 stops
SYD08:45Sydney Kingsford Smith
$1,607
Air New Zealand
15 Feb
SYD11:45Sydney Kingsford Smith
35h 36m
2 stops
BOS07:21Boston Logan Intl
26 Feb
BOS07:15Boston Logan Intl
33h 30m
2 stops
SYD08:45Sydney Kingsford Smith
$1,613
Air New Zealand
29 Apr
SYD11:55Sydney Kingsford Smith
32h 26m
2 stops
BOS06:21Boston Logan Intl
2 May
BOS08:00Boston Logan Intl
34h 45m
2 stops
SYD08:45Sydney Kingsford Smith
$1,627

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 9 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

Tue 10/2

11:20-16:21

1 stop21h 01m

Boston Logan Intl

Tue 17/2

16:50-09:00

1 stop24h 10m

$1,604

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Fri 8/5

09:55-07:36

2 stops35h 41m

Boston Logan Intl

Sat 23/5

08:00-08:45

2 stops34h 45m

$1,607

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 30/4

09:10-16:53

1 stop21h 43m

Boston Logan Intl

Tue 12/5

10:00-07:05

1 stop31h 05m

$1,612

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Sun 15/2

11:45-07:21

2 stops35h 36m

Boston Logan Intl

Thu 26/2

07:15-08:45

2 stops33h 30m

$1,613

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 30/4

09:20-21:27

2 stops26h 07m

Boston Logan Intl

Tue 12/5

10:35-07:20

2 stops30h 45m

$1,616

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 30/4

09:20-21:27

2 stops26h 07m

Boston Logan Intl

Tue 12/5

12:30-07:20

1 stop28h 50m

$1,624

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 29/4

11:55-06:21

2 stops32h 26m

Boston Logan Intl

Sat 2/5

08:00-08:45

2 stops34h 45m

$1,627

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 30/4

09:20-21:27

2 stops26h 07m

Boston Logan Intl

Tue 12/5

15:19-07:20

2 stops26h 01m

$1,628

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 4/5

09:55-06:17

2 stops34h 22m

Boston Logan Intl

Thu 28/5

08:00-08:45

2 stops34h 45m

$1,636

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Tue 10/2

11:20-09:32

2 stops38h 12m

Boston Logan Intl

Tue 17/2

13:00-09:35

2 stops28h 35m

$1,640

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, 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 $1,528. The month of November is another great option to travel to Boston, with average flight prices from Sydney averaging around $1,707.

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 $1,882 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 $1,718 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 01m

Direct flights

None
The fastest flight from Sydney to Boston takes 21h 01m
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 01m.

  • 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
Hawaiian AirlinesPriceFrom $954Free cancellationRating
7.8
2,825 reviews
Search Hawaiian Airlines flights
Virgin AustraliaPriceFrom $1,025Free cancellationRating
7.6
430 reviews
Search Virgin Australia flights
Air CanadaPriceFrom $1,194Free cancellationRating
7.1
10,606 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,224Free cancellationRating
7.4
9,145 reviews
Search United Airlines flights
DeltaPriceFrom $1,235Free cancellationRating
7.9
8,035 reviews
Search Delta flights
American AirlinesPriceFrom $1,319Free cancellationRating
7.2
11,104 reviews
Search American Airlines flights
Air New ZealandPriceFrom $1,567Free cancellationRating
8.0
567 reviews
Search Air New Zealand flights
Qantas AirwaysPriceFrom $1,610Free cancellationRating
7.5
968 reviews
Search Qantas Airways flights
Cathay PacificPriceFrom $1,837Free cancellationRating
7.6
1,126 reviews
Search Cathay Pacific flights
Japan AirlinesPriceFrom $1,860Free cancellationRating
8.3
1,674 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
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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