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Cheap flights from Sydney to Boston from $790

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 5/2. 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.
Air Canada Logo
09:20 - 17:45
SYD
-
BOS
46h 25m
2 stops
Air Canada Logo
18:25 - 07:20
BOS
-
SYD
46h 55m
2 stops
$1,615Air Canada
Mon, 4 May - Mon, 18 May
Air Canada Logo
09:20 - 17:45
SYD
-
BOS
46h 25m
2 stops
Air Canada Logo
05:50 - 07:20
BOS
-
SYD
35h 30m
2 stops
$1,618Air Canada
Wed, 13 May - Thu, 28 May
Air Canada Logo
11:20 - 14:52
SYD
-
BOS
43h 32m
2 stops
Air Canada Logo
18:40 - 09:35
BOS
-
SYD
46h 55m
3 stops
$1,629Air Canada
Wed, 18 Feb - Wed, 25 Feb
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
Thu, 19 Feb - Mon, 23 Feb
Qantas Airways Logo
11:20 - 18:40
SYD
-
BOS
23h 20m
1 stop
Qantas Airways Logo
16:50 - 09:00
BOS
-
SYD
24h 10m
1 stop
$1,636Qantas Airways
Wed, 18 Feb - Wed, 25 Feb
Air Canada Logo
11:20 - 22:37
SYD
-
BOS
27h 17m
2 stops
Air Canada Logo
06:10 - 09:35
BOS
-
SYD
35h 25m
2 stops
$1,638Air Canada
Wed, 18 Feb - Wed, 25 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
$1,639Qantas Airways
Thu, 30 Apr - Tue, 12 May
Air Canada Logo
11:20 - 22:37
SYD
-
BOS
27h 17m
1 stop
Air Canada Logo
10:35 - 07:20
BOS
-
SYD
30h 45m
2 stops
$1,642Air Canada
Wed, 25 Feb - Mon, 18 May
Air Canada Logo
09:20 - 22:38
SYD
-
BOS
27h 18m
1 stop
Air Canada Logo
10:35 - 07:20
BOS
-
SYD
30h 45m
2 stops
$1,645Air Canada
Thu, 30 Apr - Tue, 12 May
Air Canada Logo
11:20 - 22:37
SYD
-
BOS
27h 17m
2 stops
Air Canada Logo
06:10 - 09:35
BOS
-
SYD
35h 25m
1 stop
$1,648Air Canada
Wed, 18 Feb - Wed, 25 Feb

Air Canada flights from Sydney to Boston

Our best Air Canada deals on Sydney to Boston flight tickets
Air Canada
4 May
SYD09:20Sydney Kingsford Smith
46h 25m
2 stops
BOS17:45Boston Logan Intl
18 May
BOS18:25Boston Logan Intl
46h 55m
2 stops
SYD07:20Sydney Kingsford Smith
$1,615
Air Canada
13 May
SYD09:20Sydney Kingsford Smith
46h 25m
2 stops
BOS17:45Boston Logan Intl
28 May
BOS05:50Boston Logan Intl
35h 30m
2 stops
SYD07:20Sydney Kingsford Smith
$1,618
Air Canada
18 Feb
SYD11:20Sydney Kingsford Smith
43h 32m
2 stops
BOS14:52Boston Logan Intl
25 Feb
BOS18:40Boston Logan Intl
46h 55m
3 stops
SYD09:35Sydney Kingsford Smith
$1,629

Qantas Airways flights from Sydney to Boston

Our best Qantas Airways deals on Sydney to Boston flight tickets
Qantas Airways
18 Feb
SYD11:20Sydney Kingsford Smith
23h 20m
1 stop
BOS18:40Boston Logan Intl
25 Feb
BOS16:50Boston Logan Intl
24h 10m
1 stop
SYD09:00Sydney Kingsford Smith
$1,636
Qantas Airways
30 Apr
SYD09:10Sydney Kingsford Smith
21h 43m
1 stop
BOS16:53Boston Logan Intl
12 May
BOS17:00Boston Logan Intl
24h 05m
1 stop
SYD07:05Sydney Kingsford Smith
$1,639
Qantas Airways
11 May
SYD09:10Sydney Kingsford Smith
21h 43m
1 stop
BOS16:53Boston Logan Intl
30 May
BOS18:00Boston Logan Intl
23h 05m
1 stop
SYD07:05Sydney Kingsford Smith
$1,684

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 14 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

Mon 4/5

09:20-17:45

2 stops46h 25m

Boston Logan Intl

Mon 18/5

18:25-07:20

2 stops46h 55m

$1,615

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 13/5

09:20-17:45

2 stops46h 25m

Boston Logan Intl

Thu 28/5

05:50-07:20

2 stops35h 30m

$1,618

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 18/2

11:20-14:52

2 stops43h 32m

Boston Logan Intl

Wed 25/2

18:40-09:35

3 stops46h 55m

$1,629

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 19/2

11:45-00:49

2 stops29h 04m

Boston Logan Intl

Mon 23/2

09:47-08:45

2 stops30h 58m

$1,630

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 18/2

11:20-18:40

1 stop23h 20m

Boston Logan Intl

Wed 25/2

16:50-09:00

1 stop24h 10m

$1,636

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 18/2

11:20-22:37

2 stops27h 17m

Boston Logan Intl

Wed 25/2

06:10-09:35

2 stops35h 25m

$1,638

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

$1,639

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 25/2

11:20-22:37

1 stop27h 17m

Boston Logan Intl

Mon 18/5

10:35-07:20

2 stops30h 45m

$1,642

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 30/4

09:20-22:38

1 stop27h 18m

Boston Logan Intl

Tue 12/5

10:35-07:20

2 stops30h 45m

$1,645

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 18/2

11:20-22:37

2 stops27h 17m

Boston Logan Intl

Wed 25/2

06:10-09:35

1 stop35h 25m

$1,648

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 $1,711.

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 08m

Direct flights

None
The fastest flight from Sydney to Boston takes 21h 08m
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 08m.

  • 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 $956Free cancellationRating
7.8
2,827 reviews
Search Hawaiian Airlines flights
Virgin AustraliaPriceFrom $1,027Free cancellationRating
7.6
430 reviews
Search Virgin Australia flights
Air CanadaPriceFrom $1,196Free cancellationRating
7.1
10,622 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,224Free cancellationRating
7.4
9,163 reviews
Search United Airlines flights
DeltaPriceFrom $1,238Free cancellationRating
7.9
8,048 reviews
Search Delta flights
American AirlinesPriceFrom $1,321Free cancellationRating
7.2
11,130 reviews
Search American Airlines flights
Air New ZealandPriceFrom $1,570Free cancellationRating
8.0
570 reviews
Search Air New Zealand flights
Qantas AirwaysPriceFrom $1,573Free cancellationRating
7.5
971 reviews
Search Qantas Airways flights
Cathay PacificPriceFrom $1,841Free cancellationRating
7.6
1,130 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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