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Cheap flights from Sydney to Boston from $860

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sydney to Boston

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
11:20 - 21:28SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
26h 08m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
15:30 - 09:35BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
26h 05m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$1,270Air Canada
Thu, 12 Nov - Thu, 26 Nov
Air Canada Logo
11:20 - 21:28SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
26h 08m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
15:30 - 09:35BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
26h 05m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$1,270Air Canada
Thu, 12 Nov - Wed, 25 Nov
Multiple Airlines Logo
11:20 - 09:48SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
38h 28m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
12:00 - 09:35BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
29h 35m2 stops Newark Vancouver Intl
$1,319Multiple Airlines
Wed, 27 Jan - Wed, 3 Feb
Multiple Airlines Logo
11:20 - 21:28SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
26h 08m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
12:00 - 09:35BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
29h 35m2 stops Newark Vancouver Intl
$1,330Multiple Airlines
Wed, 27 Jan - Wed, 3 Feb
Qantas Airways Logo
10:10 - 16:39SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
21h 29m1 stop Los Angeles
Qantas Airways Logo
17:45 - 08:05BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
23h 20m1 stop Los Angeles
$1,494Qantas Airways
Mon, 5 Oct - Sun, 18 Oct
Qantas Airways Logo
10:10 - 16:39SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
21h 29m1 stop Los Angeles
Qantas Airways Logo
14:25 - 09:00BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
27h 35m1 stop Los Angeles
$1,501Qantas Airways
Mon, 19 Oct - Mon, 26 Oct
Delta Logo
10:15 - 19:05SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
23h 50m2 stops Los Angeles Atlanta Hartsfield-Jackson
Delta Logo
10:55 - 07:50BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
29h 55m1 stop Los Angeles
$1,523Delta
Mon, 5 Oct - Sun, 18 Oct
American Airlines Logo
11:20 - 07:20SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
36h 00m1 stop Los Angeles
American Airlines Logo
08:24 - 06:55BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
30h 31m2 stops Washington, D.C. Reagan-National Dallas/Fort Worth
$1,574American Airlines
Wed, 27 Jan - Sun, 31 Jan
American Airlines Logo
11:20 - 07:24SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
36h 04m1 stop Los Angeles
American Airlines Logo
12:41 - 06:55BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
26h 14m1 stop Dallas/Fort Worth
$1,577American Airlines
Wed, 27 Jan - Sun, 31 Jan
Delta Logo
10:15 - 23:29SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
28h 14m2 stops Los Angeles Atlanta Hartsfield-Jackson
Delta Logo
16:15 - 08:30BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
24h 15m1 stop Los Angeles
$1,588Delta
Mon, 5 Oct - Mon, 9 Nov

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Air Canada flights from Sydney to Boston

Our best Air Canada deals on Sydney to Boston flight tickets
Air Canada
12 Nov
SYD11:20Sydney Kingsford Smith
26h 08m
2 stops
BOS21:28Boston Logan Intl
25 Nov
BOS15:30Boston Logan Intl
26h 05m
2 stops
SYD09:35Sydney Kingsford Smith
$1,270
Air Canada
12 Nov
SYD11:20Sydney Kingsford Smith
38h 28m
3 stops
BOS09:48Boston Logan Intl
25 Nov
BOS15:30Boston Logan Intl
26h 05m
2 stops
SYD09:35Sydney Kingsford Smith
$1,280
Air Canada
19 Oct
SYD10:20Sydney Kingsford Smith
26h 06m
2 stops
BOS21:26Boston Logan Intl
26 Oct
BOS15:30Boston Logan Intl
26h 05m
2 stops
SYD08:35Sydney Kingsford Smith
$1,284

Qantas Airways flights from Sydney to Boston

Our best Qantas Airways deals on Sydney to Boston flight tickets
Qantas Airways
5 Oct
SYD10:10Sydney Kingsford Smith
21h 29m
1 stop
BOS16:39Boston Logan Intl
18 Oct
BOS17:45Boston Logan Intl
23h 20m
1 stop
SYD08:05Sydney Kingsford Smith
$1,494
Qantas Airways
19 Oct
SYD10:10Sydney Kingsford Smith
21h 29m
1 stop
BOS16:39Boston Logan Intl
26 Oct
BOS14:25Boston Logan Intl
27h 35m
1 stop
SYD09:00Sydney Kingsford Smith
$1,501
Qantas Airways
4 Nov
SYD11:10Sydney Kingsford Smith
26h 48m
1 stop
BOS21:58Boston Logan Intl
11 Nov
BOS14:25Boston Logan Intl
26h 35m
1 stop
SYD09:00Sydney Kingsford Smith
$1,530

momondo Fare Finder

 
Use the filters below to find and compare flights from Sydney to Boston that are best for you.

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Price

Cheapest return flight

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Thu 12/11

11:20-21:28

2 stops26h 08m

Boston Logan Intl

Thu 26/11

15:30-09:35

2 stops26h 05m

$1,270

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Thu 12/11

11:20-21:28

2 stops26h 08m

Boston Logan Intl

Wed 25/11

15:30-09:35

2 stops26h 05m

$1,270

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Wed 27/1

11:20-09:48

2 stops38h 28m

Boston Logan Intl

Wed 3/2

12:00-09:35

2 stops29h 35m

$1,319

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Wed 27/1

11:20-21:28

3 stops26h 08m

Boston Logan Intl

Wed 3/2

12:00-09:35

2 stops29h 35m

$1,330
Fastest return journey

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 5/10

10:10-16:39

1 stop21h 29m

Boston Logan Intl

Sun 18/10

17:45-08:05

1 stop23h 20m

$1,494

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 19/10

10:10-16:39

1 stop21h 29m

Boston Logan Intl

Mon 26/10

14:25-09:00

1 stop27h 35m

$1,501

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 5/10

10:15-19:05

2 stops23h 50m

Boston Logan Intl

Sun 18/10

10:55-07:50

1 stop29h 55m

$1,523

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Wed 27/1

11:20-07:20

1 stop36h 00m

Boston Logan Intl

Sun 31/1

08:24-06:55

2 stops30h 31m

$1,574

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Wed 27/1

11:20-07:24

1 stop36h 04m

Boston Logan Intl

Sun 31/1

12:41-06:55

1 stop26h 14m

$1,577

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 5/10

10:15-23:29

2 stops28h 14m

Boston Logan Intl

Mon 9/11

16:15-08:30

1 stop24h 15m

$1,588

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?

Prices are currently low for flights on this route.

Typical prices usually range from $1,331 to $1,953.
The lowest price recently found on this route was $1,270.

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 $1,193. The month of May is another great option to travel to Boston, with average flight prices from Sydney averaging around $1,626.

How far in advance should I book a flight from Sydney 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 $1,743 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 $1,677 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 September 2026, prices for Sydney to Boston flights are approximately 9% 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

Best price found

$860

Fastest flight time

25h 34m

Direct flights

None
The best one-way flight to Boston from Sydney in the past 72 hours is $860. The best return flight deal from Sydney to Boston found on momondo in the last 72 hours is $1,270.
The fastest flight from Sydney to Boston takes 25h 34m
There are no direct flights from Sydney to Boston. There are no popular flight routes from Sydney to Boston.
Search flight deals

Frequently asked questions about flying 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 25h 34m.

  • 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
United AirlinesPriceFrom $1,059Free cancellationRating
7.4
10,222 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,186Free cancellationRating
7.1
11,663 reviews
Search Air Canada flights
American AirlinesPriceFrom $1,270Free cancellationRating
7.0
12,076 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $1,292Free cancellationRating
7.5
1,101 reviews
Search Qantas Airways flights
DeltaPriceFrom $1,311Free cancellationRating
7.8
8,597 reviews
Search Delta flights

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Brookline
Old Orchard Beach
Salem
Revere
Sturbridge
Seabrook
Hull
Randolph

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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