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Cheap flights from Sydney to Boston from $872

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
10:25 - 09:35BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
31h 10m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$1,325Air Canada
Mon, 2 Nov - Mon, 16 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
10:25 - 09:35BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
31h 10m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Vancouver Intl
$1,336Air Canada
Mon, 2 Nov - Mon, 16 Nov
American Airlines Logo
11:20 - 09:37SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
38h 17m2 stops Los Angeles Washington, D.C. Reagan-National
American Airlines Logo
08:49 - 09:00BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
32h 11m1 stop Los Angeles
$1,421American Airlines
Wed, 27 Jan - Sun, 31 Jan
American Airlines Logo
11:20 - 09:37SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
38h 17m2 stops Los Angeles Washington, D.C. Reagan-National
American Airlines Logo
13:33 - 09:00BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
27h 27m2 stops Chicago O'Hare Intl Los Angeles
$1,421American Airlines
Wed, 27 Jan - Sun, 31 Jan
Multiple Airlines Logo
10:20 - 21:28SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
26h 08m2 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
$1,445Multiple Airlines
Tue, 27 Oct - Wed, 4 Nov
Multiple Airlines Logo
10:20 - 21:28SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
26h 08m2 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
$1,451Multiple Airlines
Tue, 27 Oct - Wed, 4 Nov
Qantas Airways Logo
11:10 - 16:29SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
21h 19m1 stop Los Angeles
Qantas Airways Logo
14:25 - 09:00BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
26h 35m1 stop Los Angeles
$1,456Qantas Airways
Mon, 2 Nov - Mon, 16 Nov
Delta Logo
10:15 - 23:54SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
28h 39m1 stop Los Angeles
Delta Logo
17:55 - 08:30BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
22h 35m1 stop Los Angeles
$1,460Delta
Mon, 19 Oct - Wed, 4 Nov
Qantas Airways Logo
13:05 - 21:26SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
23h 21m1 stop Dallas/Fort Worth
Qantas Airways Logo
14:25 - 09:00BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
26h 35m1 stop Los Angeles
$1,464Qantas Airways
Mon, 26 Oct - Tue, 3 Nov
Delta Logo
09:40 - 23:59SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
29h 19m2 stops Los Angeles Salt Lake City
Delta Logo
17:55 - 08:30BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
22h 35m1 stop Los Angeles
$1,509Delta
Mon, 26 Oct - Mon, 2 Nov

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Delta flights from Sydney to Boston

Our best Delta deals on Sydney to Boston flight tickets
Delta
19 Oct
SYD10:15Sydney Kingsford Smith
28h 39m
1 stop
BOS23:54Boston Logan Intl
4 Nov
BOS17:55Boston Logan Intl
22h 35m
1 stop
SYD08:30Sydney Kingsford Smith
$1,460
Delta
27 Oct
SYD09:40Sydney Kingsford Smith
29h 19m
2 stops
BOS23:59Boston Logan Intl
4 Nov
BOS15:15Boston Logan Intl
25h 15m
2 stops
SYD08:30Sydney Kingsford Smith
$1,509
Delta
27 Oct
SYD09:40Sydney Kingsford Smith
25h 50m
1 stop
BOS20:30Boston Logan Intl
4 Nov
BOS13:57Boston Logan Intl
26h 33m
2 stops
SYD08:30Sydney Kingsford Smith
$1,510

Air Canada flights from Sydney to Boston

Our best Air Canada deals on Sydney to Boston flight tickets
Air Canada
2 Nov
SYD11:20Sydney Kingsford Smith
26h 08m
2 stops
BOS21:28Boston Logan Intl
16 Nov
BOS10:25Boston Logan Intl
31h 10m
2 stops
SYD09:35Sydney Kingsford Smith
$1,325
Air Canada
2 Nov
SYD11:20Sydney Kingsford Smith
26h 08m
2 stops
BOS21:28Boston Logan Intl
16 Nov
BOS10:25Boston Logan Intl
31h 10m
3 stops
SYD09:35Sydney Kingsford Smith
$1,336
Air Canada
19 Oct
SYD10:20Sydney Kingsford Smith
38h 30m
2 stops
BOS09:50Boston Logan Intl
4 Nov
BOS18:35Boston Logan Intl
47h 00m
2 stops
SYD09:35Sydney Kingsford Smith
$1,337

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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Route

Depart

Return

Price

Cheapest return flight

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 2/11

11:20-21:28

2 stops26h 08m

Boston Logan Intl

Mon 16/11

10:25-09:35

2 stops31h 10m

$1,325

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 2/11

11:20-21:28

2 stops26h 08m

Boston Logan Intl

Mon 16/11

10:25-09:35

3 stops31h 10m

$1,336

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Wed 27/1

11:20-09:37

2 stops38h 17m

Boston Logan Intl

Sun 31/1

08:49-09:00

1 stop32h 11m

$1,421

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Wed 27/1

11:20-09:37

2 stops38h 17m

Boston Logan Intl

Sun 31/1

13:33-09:00

2 stops27h 27m

$1,421

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Tue 27/10

10:20-21:28

2 stops26h 08m

Boston Logan Intl

Wed 4/11

12:00-09:35

2 stops29h 35m

$1,445

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Tue 27/10

10:20-21:28

2 stops26h 08m

Boston Logan Intl

Wed 4/11

12:00-09:35

2 stops29h 35m

$1,451
Fastest return journey

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 2/11

11:10-16:29

1 stop21h 19m

Boston Logan Intl

Mon 16/11

14:25-09:00

1 stop26h 35m

$1,456

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 19/10

10:15-23:54

1 stop28h 39m

Boston Logan Intl

Wed 4/11

17:55-08:30

1 stop22h 35m

$1,460

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 26/10

13:05-21:26

1 stop23h 21m

Boston Logan Intl

Tue 3/11

14:25-09:00

1 stop26h 35m

$1,464

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 26/10

09:40-23:59

2 stops29h 19m

Boston Logan Intl

Mon 2/11

17:55-08:30

1 stop22h 35m

$1,509

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 typical for flights on this route.

Typical prices usually range from $872 to $1,712.
The lowest price recently found on this route was $1,325.

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 $1,224. The month of November is another great option to travel to Boston, with average flight prices from Sydney averaging around $1,615.

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 $1,791 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 $1,754 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 October 2026, prices for Sydney to Boston flights are approximately 30% 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

$872

Fastest flight time

21h 19m

Direct flights

None
The best one-way flight to Boston from Sydney in the past 72 hours is $872. The best return flight deal from Sydney to Boston found on momondo in the last 72 hours is $1,325.
The fastest flight from Sydney to Boston takes 21h 19m
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 21h 19m.

  • 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 $1,086Free cancellationRating
7.4
10,282 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,303Free cancellationRating
7.0
12,129 reviews
Search American Airlines flights
Air CanadaPriceFrom $1,311Free cancellationRating
7.1
11,712 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,326Free cancellationRating
7.5
1,101 reviews
Search Qantas Airways flights
DeltaPriceFrom $1,345Free cancellationRating
7.8
8,627 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.
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