Cheap flights from Sydney to Boston from $979

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 4/12. 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

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Air Canada Logo
11:20 - 22:37SYD-BOS
51h 17m2 stops
Air Canada Logo
18:40 - 08:35BOS-SYD
46h 55m3 stops
$1,328Air Canada
Find Deal
Sun, 1 Mar - Mon, 16 Mar
Air Canada Logo
11:20 - 22:37SYD-BOS
51h 17m2 stops
Air Canada Logo
10:15 - 08:35BOS-SYD
31h 20m2 stops
$1,351Air Canada
Find Deal
Sun, 1 Mar - Mon, 16 Mar
Qantas Airways Logo
14:05 - 21:26SYD-BOS
23h 21m1 stop
Qantas Airways Logo
18:00 - 09:00BOS-SYD
24h 00m1 stop
$1,585Qantas Airways
Find Deal
Mon, 2 Mar - Tue, 17 Mar
American Airlines Logo
11:20 - 18:47SYD-BOS
22h 27m1 stop
American Airlines Logo
18:12 - 06:55BOS-SYD
45h 43m1 stop
$1,595American Airlines
Find Deal
Wed, 11 Mar - Sun, 15 Mar
American Airlines Logo
11:20 - 22:19SYD-BOS
26h 59m1 stop
American Airlines Logo
18:25 - 07:25BOS-SYD
45h 00m1 stop
$1,597American Airlines
Find Deal
Thu, 11 Dec - Mon, 15 Dec
Qantas Airways Logo
11:20 - 06:07SYD-BOS
34h 47m1 stop
Qantas Airways Logo
18:00 - 09:00BOS-SYD
24h 00m1 stop
$1,626Qantas Airways
Find Deal
Sun, 1 Mar - Mon, 16 Mar
United Airlines Logo
11:20 - 16:50SYD-BOS
21h 30m1 stop
United Airlines Logo
12:50 - 07:00BOS-SYD
26h 10m2 stops
$1,685United Airlines
Find Deal
Thu, 27 Nov - Thu, 4 Dec
United Airlines Logo
12:10 - 19:55SYD-BOS
23h 45m2 stops
United Airlines Logo
18:14 - 06:20BOS-SYD
44h 06m2 stops
$1,912United Airlines
Find Deal
Wed, 24 Dec - Mon, 29 Dec
Cathay Pacific Logo
11:05 - 22:00SYD-BOS
26h 55m1 stop
Cathay Pacific Logo
01:30 - 20:50BOS-SYD
28h 20m1 stop
$2,133Cathay Pacific
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Sun, 1 Mar - Sun, 15 Mar
Cathay Pacific Logo
11:05 - 22:00SYD-BOS
26h 55m1 stop
Cathay Pacific Logo
01:30 - 20:50BOS-SYD
28h 20m1 stop
$2,158Cathay Pacific
Find Deal
Mon, 2 Mar - Mon, 16 Mar

Qantas Airways flights from Sydney to Boston

Our best Qantas Airways deals on Sydney to Boston flight tickets
Qantas Airways
2 Mar
SYD14:05Sydney Kingsford Smith
23h 21m
1 stop
BOS21:26Boston Logan Intl
17 Mar
BOS18:00Boston Logan Intl
24h 00m
1 stop
SYD09:00Sydney Kingsford Smith
Qantas Airways
1 Mar
SYD11:20Sydney Kingsford Smith
34h 47m
1 stop
BOS06:07Boston Logan Intl
16 Mar
BOS18:00Boston Logan Intl
24h 00m
1 stop
SYD09:00Sydney Kingsford Smith
Qantas Airways
11 Dec
SYD11:20Sydney Kingsford Smith
26h 59m
1 stop
BOS22:19Boston Logan Intl
17 Dec
BOS18:25Boston Logan Intl
22h 35m
1 stop
SYD09:00Sydney Kingsford Smith

American Airlines flights from Sydney to Boston

Our best American Airlines deals on Sydney to Boston flight tickets
American Airlines
11 Mar
SYD11:20Sydney Kingsford Smith
22h 27m
1 stop
BOS18:47Boston Logan Intl
15 Mar
BOS18:12Boston Logan Intl
45h 43m
1 stop
SYD06:55Sydney Kingsford Smith
American Airlines
11 Dec
SYD11:20Sydney Kingsford Smith
26h 59m
1 stop
BOS22:19Boston Logan Intl
15 Dec
BOS18:25Boston Logan Intl
45h 00m
1 stop
SYD07:25Sydney Kingsford Smith
American Airlines
2 Dec
SYD14:05Sydney Kingsford Smith
23h 31m
1 stop
BOS21:36Boston Logan Intl
9 Dec
BOS14:28Boston Logan Intl
24h 27m
1 stop
SYD06:55Sydney Kingsford Smith

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 4 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

Sun 1/3

11:20-22:37

2 stops51h 17m

Boston Logan Intl

Mon 16/3

18:40-08:35

3 stops46h 55m

$1,328

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Sun 1/3

11:20-22:37

2 stops51h 17m

Boston Logan Intl

Mon 16/3

10:15-08:35

2 stops31h 20m

$1,351

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 2/3

14:05-21:26

1 stop23h 21m

Boston Logan Intl

Tue 17/3

18:00-09:00

1 stop24h 00m

$1,585

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 11/3

11:20-18:47

1 stop22h 27m

Boston Logan Intl

Sun 15/3

18:12-06:55

1 stop45h 43m

$1,595

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 11/12

11:20-22:19

1 stop26h 59m

Boston Logan Intl

Mon 15/12

18:25-07:25

1 stop45h 00m

$1,597

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Sun 1/3

11:20-06:07

1 stop34h 47m

Boston Logan Intl

Mon 16/3

18:00-09:00

1 stop24h 00m

$1,626

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 27/11

11:20-16:50

1 stop21h 30m

Boston Logan Intl

Thu 4/12

12:50-07:00

2 stops26h 10m

$1,685

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 24/12

12:10-19:55

2 stops23h 45m

Boston Logan Intl

Mon 29/12

18:14-06:20

2 stops44h 06m

$1,912

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Sun 1/3

11:05-22:00

1 stop26h 55m

Boston Logan Intl

Sun 15/3

01:30-20:50

1 stop28h 20m

$2,133

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 2/3

11:05-22:00

1 stop26h 55m

Boston Logan Intl

Mon 16/3

01:30-20:50

1 stop28h 20m

$2,158

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 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 $1,588. The month of March is another great option to travel to Boston, with average flight prices from Sydney averaging around $1,798.

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 $2,031. 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 $2,584. 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 $1,991. 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 $2,188 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 $1,991 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 $1,766 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.
  • 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 30m.

  • 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 $977Free cancellationRating
7.8
2,799 reviews
Search Hawaiian Airlines flights
Virgin AustraliaPriceFrom $1,049Free cancellationRating
7.6
424 reviews
Search Virgin Australia flights
Air CanadaPriceFrom $1,256Free cancellationRating
7.1
10,400 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,263Free cancellationRating
7.4
8,998 reviews
Search United Airlines flights
DeltaPriceFrom $1,264Free cancellationRating
7.9
8,002 reviews
Search Delta flights
American AirlinesPriceFrom $1,350Free cancellationRating
7.2
11,038 reviews
Search American Airlines flights
Air New ZealandPriceFrom $1,604Free cancellationRating
8.0
521 reviews
Search Air New Zealand flights
Qantas AirwaysPriceFrom $1,660Free cancellationRating
7.5
927 reviews
Search Qantas Airways flights
Japan AirlinesPriceFrom $1,800Free cancellationRating
8.3
1,602 reviews
Search Japan Airlines flights
Cathay PacificPriceFrom $1,893Free cancellationRating
7.6
1,050 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.

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1 adult
Thu 4/12
Thu 11/12

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