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Cheap flights from Sydney to Boston from $747

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 2/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
11:20 - 19:31
SYD
-
BOS
23h 11m
1 stop
Qantas Airways Logo
20:21 - 09:00
BOS
-
SYD
45h 39m
1 stop
$1,496Qantas Airways
Tue, 10 Mar - Wed, 18 Mar
Qantas Airways Logo
11:20 - 18:40
SYD
-
BOS
23h 20m
1 stop
Qantas Airways Logo
17:20 - 09:00
BOS
-
SYD
24h 40m
1 stop
$1,498Qantas Airways
Mon, 2 Mar - Mon, 9 Mar
American Airlines Logo
11:20 - 19:23
SYD
-
BOS
23h 03m
2 stops
American Airlines Logo
09:30 - 09:00
BOS
-
SYD
32h 30m
1 stop
$1,502American Airlines
Wed, 18 Mar - Wed, 25 Mar
American Airlines Logo
11:20 - 22:59
SYD
-
BOS
26h 39m
1 stop
American Airlines Logo
16:04 - 09:00
BOS
-
SYD
25h 56m
2 stops
$1,504American Airlines
Tue, 10 Mar - Wed, 18 Mar
American Airlines Logo
09:10 - 06:59
SYD
-
BOS
35h 49m
1 stop
American Airlines Logo
18:00 - 07:30
BOS
-
SYD
23h 30m
1 stop
$1,514American Airlines
Mon, 1 Jun - Tue, 16 Jun
United Airlines Logo
11:50 - 23:30
SYD
-
BOS
26h 40m
1 stop
United Airlines Logo
17:50 - 09:15
BOS
-
SYD
24h 25m
1 stop
$1,528United Airlines
Wed, 18 Mar - Wed, 25 Mar
Delta Logo
14:15 - 22:43
SYD
-
BOS
24h 28m
2 stops
Delta Logo
05:50 - 07:25
BOS
-
SYD
34h 35m
2 stops
$1,530Delta
Mon, 2 Mar - Mon, 9 Mar
Qantas Airways Logo
09:10 - 16:35
SYD
-
BOS
21h 25m
1 stop
Qantas Airways Logo
18:00 - 07:05
BOS
-
SYD
23h 05m
1 stop
$1,542Qantas Airways
Sun, 31 May - Mon, 15 Jun
American Airlines Logo
09:10 - 18:40
SYD
-
BOS
23h 30m
2 stops
American Airlines Logo
18:00 - 07:05
BOS
-
SYD
23h 05m
1 stop
$1,544American Airlines
Sun, 31 May - Mon, 15 Jun
American Airlines Logo
11:20 - 22:59
SYD
-
BOS
26h 39m
1 stop
American Airlines Logo
09:30 - 09:00
BOS
-
SYD
32h 30m
1 stop
$1,561American Airlines
Thu, 19 Mar - Thu, 26 Mar

American Airlines flights from Sydney to Boston

Our best American Airlines deals on Sydney to Boston flight tickets
American Airlines
18 Mar
SYD11:20Sydney Kingsford Smith
27h 39m
2 stops
BOS23:59Boston Logan Intl
22 Mar
BOS10:57Boston Logan Intl
31h 03m
2 stops
SYD09:00Sydney Kingsford Smith
$1,499
American Airlines
18 Mar
SYD11:20Sydney Kingsford Smith
34h 11m
1 stop
BOS06:31Boston Logan Intl
25 Mar
BOS09:30Boston Logan Intl
32h 30m
1 stop
SYD09:00Sydney Kingsford Smith
$1,502
American Airlines
10 Mar
SYD11:20Sydney Kingsford Smith
26h 39m
1 stop
BOS22:59Boston Logan Intl
18 Mar
BOS16:04Boston Logan Intl
25h 56m
2 stops
SYD09:00Sydney Kingsford Smith
$1,504

United Airlines flights from Sydney to Boston

Our best United Airlines deals on Sydney to Boston flight tickets
United Airlines
11 May
SYD09:30Sydney Kingsford Smith
21h 25m
1 stop
BOS16:55Boston Logan Intl
23 May
BOS20:15Boston Logan Intl
44h 40m
1 stop
SYD06:55Sydney Kingsford Smith
$1,525
United Airlines
18 Mar
SYD11:50Sydney Kingsford Smith
26h 40m
1 stop
BOS23:30Boston Logan Intl
25 Mar
BOS17:50Boston Logan Intl
24h 25m
1 stop
SYD09:15Sydney Kingsford Smith
$1,528
United Airlines
11 May
SYD10:20Sydney Kingsford Smith
25h 07m
1 stop
BOS21:27Boston Logan Intl
22 May
BOS18:10Boston Logan Intl
22h 45m
1 stop
SYD06:55Sydney Kingsford Smith
$1,567

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 3 February 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 10/3

11:20-19:31

1 stop23h 11m

Boston Logan Intl

Wed 18/3

20:21-09:00

1 stop45h 39m

$1,496

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 2/3

11:20-18:40

1 stop23h 20m

Boston Logan Intl

Mon 9/3

17:20-09:00

1 stop24h 40m

$1,498

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 18/3

11:20-19:23

2 stops23h 03m

Boston Logan Intl

Wed 25/3

09:30-09:00

1 stop32h 30m

$1,502

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Tue 10/3

11:20-22:59

1 stop26h 39m

Boston Logan Intl

Wed 18/3

16:04-09:00

2 stops25h 56m

$1,504

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 1/6

09:10-06:59

1 stop35h 49m

Boston Logan Intl

Tue 16/6

18:00-07:30

1 stop23h 30m

$1,514

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 18/3

11:50-23:30

1 stop26h 40m

Boston Logan Intl

Wed 25/3

17:50-09:15

1 stop24h 25m

$1,528

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 2/3

14:15-22:43

2 stops24h 28m

Boston Logan Intl

Mon 9/3

05:50-07:25

2 stops34h 35m

$1,530

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Sun 31/5

09:10-16:35

1 stop21h 25m

Boston Logan Intl

Mon 15/6

18:00-07:05

1 stop23h 05m

$1,542

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Sun 31/5

09:10-18:40

2 stops23h 30m

Boston Logan Intl

Mon 15/6

18:00-07:05

1 stop23h 05m

$1,544

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 19/3

11:20-22:59

1 stop26h 39m

Boston Logan Intl

Thu 26/3

09:30-09:00

1 stop32h 30m

$1,561

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 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 $1,473. The month of November is another great option to travel to Boston, with average flight prices from Sydney averaging around $1,646.

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 $1,780 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 $1,656 on momondo.

Can stopping save me money on Sydney to Boston flights?

You could potentially save up to 5% 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 February 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

20h 44m

Direct flights

None
The fastest flight from Sydney to Boston takes 20h 44m
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 20h 44m.

  • 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 $714Free cancellationRating
7.6
433 reviews
Search Virgin Australia flights
DeltaPriceFrom $918Free cancellationRating
7.9
8,138 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $920Free cancellationRating
7.8
2,831 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $1,080Free cancellationRating
7.1
10,684 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,145Free cancellationRating
7.4
9,235 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,271Free cancellationRating
7.2
11,217 reviews
Search American Airlines flights
Air New ZealandPriceFrom $1,510Free cancellationRating
8.0
578 reviews
Search Air New Zealand flights
Qantas AirwaysPriceFrom $1,514Free cancellationRating
7.5
985 reviews
Search Qantas Airways flights
Cathay PacificPriceFrom $1,771Free cancellationRating
7.6
1,158 reviews
Search Cathay Pacific flights
Japan AirlinesPriceFrom $1,806Free cancellationRating
8.3
1,697 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
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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