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Cheap flights from Sydney to Boston from $753

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 15/1. 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

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Qantas Airways Logo
06:05 - 17:00SYD-BOS
25h 55m2 stops
Qantas Airways Logo
16:35 - 09:00BOS-SYD
25h 25m1 stop
$1,564Qantas Airways
Find Deal
Tue, 10 Mar - Wed, 25 Mar
Air Canada Logo
09:20 - 09:52SYD-BOS
38h 32m2 stops
Air Canada Logo
05:30 - 07:20BOS-SYD
35h 50m2 stops
$1,596Air Canada
Find Deal
Thu, 23 Apr - Tue, 28 Apr
Qantas Airways Logo
11:20 - 22:00SYD-BOS
25h 40m1 stop
Qantas Airways Logo
18:00 - 09:00BOS-SYD
24h 00m1 stop
$1,652Qantas Airways
Find Deal
Tue, 10 Mar - Wed, 25 Mar
Air Canada Logo
09:20 - 21:27SYD-BOS
26h 07m2 stops
Air Canada Logo
05:30 - 07:20BOS-SYD
35h 50m2 stops
$1,663Air Canada
Find Deal
Fri, 17 Apr - Tue, 21 Apr
Air Canada Logo
09:20 - 09:52SYD-BOS
38h 32m2 stops
Air Canada Logo
18:40 - 07:20BOS-SYD
46h 40m3 stops
$1,666Air Canada
Find Deal
Fri, 17 Apr - Tue, 21 Apr
Air Canada Logo
10:20 - 09:32SYD-BOS
38h 12m2 stops
Air Canada Logo
06:15 - 08:35BOS-SYD
35h 20m2 stops
$1,674Air Canada
Find Deal
Wed, 11 Mar - Thu, 26 Mar
Air Canada Logo
10:20 - 09:32SYD-BOS
38h 12m2 stops
Air Canada Logo
18:40 - 08:20BOS-SYD
46h 40m3 stops
$1,685Air Canada
Find Deal
Wed, 11 Mar - Thu, 26 Mar
Air Canada Logo
10:20 - 19:12SYD-BOS
47h 52m2 stops
Air Canada Logo
18:40 - 08:35BOS-SYD
46h 55m3 stops
$1,698Air Canada
Find Deal
Tue, 10 Mar - Wed, 25 Mar
Qantas Airways Logo
11:20 - 22:00SYD-BOS
25h 40m1 stop
Qantas Airways Logo
09:00 - 09:00BOS-SYD
33h 00m1 stop
$1,718Qantas Airways
Find Deal
Wed, 11 Mar - Thu, 26 Mar
Air Canada Logo
09:20 - 09:52SYD-BOS
38h 32m2 stops
Air Canada Logo
10:35 - 07:20BOS-SYD
30h 45m2 stops
$1,731Air Canada
Find Deal
Fri, 24 Apr - Tue, 28 Apr

Air Canada flights from Sydney to Boston

Our best Air Canada deals on Sydney to Boston flight tickets
Air Canada
11 Mar
SYD10:20Sydney Kingsford Smith
38h 12m
2 stops
BOS09:32Boston Logan Intl
26 Mar
BOS06:15Boston Logan Intl
35h 20m
2 stops
SYD08:35Sydney Kingsford Smith
$1,674
Find similar
Air Canada
11 Mar
SYD10:20Sydney Kingsford Smith
38h 12m
2 stops
BOS09:32Boston Logan Intl
26 Mar
BOS18:40Boston Logan Intl
46h 40m
3 stops
SYD08:20Sydney Kingsford Smith
$1,685
Find similar
Air Canada
10 Mar
SYD10:20Sydney Kingsford Smith
47h 52m
2 stops
BOS19:12Boston Logan Intl
25 Mar
BOS18:40Boston Logan Intl
46h 55m
3 stops
SYD08:35Sydney Kingsford Smith
$1,698
Find similar

Cathay Pacific flights from Sydney to Boston

Our best Cathay Pacific deals on Sydney to Boston flight tickets
Cathay Pacific
9 Mar
SYD08:45Sydney Kingsford Smith
29h 15m
1 stop
BOS23:00Boston Logan Intl
23 Mar
BOS01:30Boston Logan Intl
28h 20m
1 stop
SYD20:50Sydney Kingsford Smith
$2,072
Find similar
Cathay Pacific
10 Mar
SYD11:05Sydney Kingsford Smith
26h 55m
1 stop
BOS23:00Boston Logan Intl
24 Mar
BOS01:30Boston Logan Intl
28h 20m
1 stop
SYD20:50Sydney Kingsford Smith
$2,082
Find similar
Cathay Pacific
11 Mar
SYD11:05Sydney Kingsford Smith
26h 55m
1 stop
BOS23:00Boston Logan Intl
25 Mar
BOS01:30Boston Logan Intl
28h 20m
1 stop
SYD20:50Sydney Kingsford Smith
$2,122
Find similar

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 November 2025.
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 10/3

06:05-17:00

2 stops25h 55m

Boston Logan Intl

Wed 25/3

16:35-09:00

1 stop25h 25m

$1,564

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 23/4

09:20-09:52

2 stops38h 32m

Boston Logan Intl

Tue 28/4

05:30-07:20

2 stops35h 50m

$1,596

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Tue 10/3

11:20-22:00

1 stop25h 40m

Boston Logan Intl

Wed 25/3

18:00-09:00

1 stop24h 00m

$1,652

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Fri 17/4

09:20-21:27

2 stops26h 07m

Boston Logan Intl

Tue 21/4

05:30-07:20

2 stops35h 50m

$1,663

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Fri 17/4

09:20-09:52

2 stops38h 32m

Boston Logan Intl

Tue 21/4

18:40-07:20

3 stops46h 40m

$1,666

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 11/3

10:20-09:32

2 stops38h 12m

Boston Logan Intl

Thu 26/3

06:15-08:35

2 stops35h 20m

$1,674

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 11/3

10:20-09:32

2 stops38h 12m

Boston Logan Intl

Thu 26/3

18:40-08:20

3 stops46h 40m

$1,685

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Tue 10/3

10:20-19:12

2 stops47h 52m

Boston Logan Intl

Wed 25/3

18:40-08:35

3 stops46h 55m

$1,698

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 11/3

11:20-22:00

1 stop25h 40m

Boston Logan Intl

Thu 26/3

09:00-09:00

1 stop33h 00m

$1,718

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Fri 24/4

09:20-09:52

2 stops38h 32m

Boston Logan Intl

Tue 28/4

10:35-07:20

2 stops30h 45m

$1,730

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 $1,578. The month of March is another great option to travel to Boston, with average flight prices from Sydney averaging around $1,801.

What is the cheapest day to depart on your flight to Boston?

On average, the least expensive day to fly to Boston from Sydney is on a Sunday. momondo users have found tickets for Sunday departures for as low as $2,034. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $2,588. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boston.

What is the cheapest time of day to depart on your flight to Boston?

According to our data, the cheapest time of day to fly to Boston is in the afternoon. momondo users have found flights departing from Sydney to Boston in the afternoon for as low as $1,994. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Boston, so prices are often more expensive at around $2,191 per ticket.

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 $1,992 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 $1,784 on momondo.

Can stopping save me money on Sydney to Boston flights?

You could potentially save up to 27% 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 November 2025, prices for Sydney to Boston flights are approximately 34% 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

Direct flights

None
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 $979Free cancellationRating
7.8
2,809 reviews
Search Hawaiian Airlines flights
Virgin AustraliaPriceFrom $1,051Free cancellationRating
7.6
424 reviews
Search Virgin Australia flights
Air CanadaPriceFrom $1,258Free cancellationRating
7.1
10,444 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,265Free cancellationRating
7.4
9,016 reviews
Search United Airlines flights
DeltaPriceFrom $1,266Free cancellationRating
7.9
8,008 reviews
Search Delta flights
American AirlinesPriceFrom $1,352Free cancellationRating
7.2
11,050 reviews
Search American Airlines flights
Air New ZealandPriceFrom $1,606Free cancellationRating
8.0
526 reviews
Search Air New Zealand flights
Qantas AirwaysPriceFrom $1,662Free cancellationRating
7.5
934 reviews
Search Qantas Airways flights
Japan AirlinesPriceFrom $1,802Free cancellationRating
8.3
1,610 reviews
Search Japan Airlines flights
Cathay PacificPriceFrom $1,895Free cancellationRating
7.6
1,058 reviews
Search Cathay Pacific flights

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Westford
Old Orchard Beach
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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