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Cheap flights from Sydney to Boston from $769

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 30/10. 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
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
10:20 - 09:50SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
38h 30m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
10:40 - 08:20BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
30h 40m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$1,372Air Canada
Wed, 14 Oct - Thu, 22 Oct
Air Canada Logo
09:20 - 18:04SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
46h 44m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
10:50 - 07:20BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
30h 30m2 stops Toronto Pearson Intl Vancouver Intl
$1,380Air Canada
Mon, 21 Sep - Mon, 28 Sep
Multiple Airlines Logo
10:20 - 09:50SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
38h 30m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
12:36 - 08:20BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
28h 44m2 stops Newark Vancouver Intl
$1,412Multiple Airlines
Wed, 14 Oct - Thu, 22 Oct
United Airlines Logo
10:20 - 17:07SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
20h 47m1 stop San Francisco
United Airlines Logo
19:23 - 06:55BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
45h 32m2 stops Washington, D.C. Dulles Intl San Francisco
$1,440United Airlines
Thu, 27 Aug - Sat, 5 Sep
Qantas Airways Logo
09:10 - 23:28SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
28h 18m1 stop Los Angeles
Qantas Airways Logo
16:35 - 07:05BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
24h 30m1 stop Los Angeles
$1,666Qantas Airways
Thu, 10 Sep - Wed, 23 Sep
Qantas Airways Logo
13:00 - 22:04SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
24h 04m1 stop Dallas/Fort Worth
Qantas Airways Logo
10:45 - 06:25BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
27h 40m1 stop Los Angeles
$1,709Qantas Airways
Wed, 21 Oct - Fri, 13 Nov
American Airlines Logo
10:10 - 16:39SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
21h 29m1 stop Los Angeles
American Airlines Logo
12:39 - 09:00BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
28h 21m2 stops Washington, D.C. Reagan-National Los Angeles
$1,720American Airlines
Wed, 21 Oct - Sun, 15 Nov
American Airlines Logo
10:10 - 18:33SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
23h 23m1 stop Los Angeles
American Airlines Logo
15:00 - 09:00BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
26h 00m2 stops Philadelphia Los Angeles
$1,720American Airlines
Tue, 20 Oct - Tue, 10 Nov
United Airlines Logo
09:30 - 21:59SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
26h 29m2 stops Los Angeles Chicago O'Hare Intl
United Airlines Logo
18:17 - 07:55BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
22h 38m1 stop San Francisco
$1,833United Airlines
Tue, 22 Sep - Tue, 20 Oct
Multiple Airlines Logo
17:50 - 06:09SYD  Sydney Kingsford Smith-BOS Boston Logan Intl
26h 19m2 stops Los Angeles Portland
Multiple Airlines Logo
06:30 - 07:05BOS  Boston Logan Intl-SYD Sydney Kingsford Smith
34h 35m1 stop Los Angeles
$1,884Multiple Airlines
Thu, 17 Sep - Thu, 24 Sep

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Air Canada flights from Sydney to Boston

Our best Air Canada deals on Sydney to Boston flight tickets
Air Canada
14 Oct
SYD10:20Sydney Kingsford Smith
38h 30m
2 stops
BOS09:50Boston Logan Intl
22 Oct
BOS10:40Boston Logan Intl
30h 40m
2 stops
SYD08:20Sydney Kingsford Smith
$1,372
Air Canada
21 Sept
SYD09:20Sydney Kingsford Smith
46h 44m
2 stops
BOS18:04Boston Logan Intl
28 Sept
BOS10:50Boston Logan Intl
30h 30m
2 stops
SYD07:20Sydney Kingsford Smith
$1,380
Air Canada
23 Sept
SYD09:20Sydney Kingsford Smith
27h 20m
2 stops
BOS22:40Boston Logan Intl
30 Sept
BOS12:30Boston Logan Intl
28h 50m
2 stops
SYD07:20Sydney Kingsford Smith
$1,407

Qantas Airways flights from Sydney to Boston

Our best Qantas Airways deals on Sydney to Boston flight tickets
Qantas Airways
10 Sept
SYD09:10Sydney Kingsford Smith
28h 18m
1 stop
BOS23:28Boston Logan Intl
23 Sept
BOS16:35Boston Logan Intl
24h 30m
1 stop
SYD07:05Sydney Kingsford Smith
$1,666
Qantas Airways
21 Oct
SYD13:00Sydney Kingsford Smith
24h 04m
1 stop
BOS22:04Boston Logan Intl
13 Nov
BOS10:45Boston Logan Intl
27h 40m
1 stop
SYD06:25Sydney Kingsford Smith
$1,709
Qantas Airways
14 Oct
SYD13:00Sydney Kingsford Smith
24h 04m
1 stop
BOS22:04Boston Logan Intl
22 Oct
BOS14:29Boston Logan Intl
25h 26m
1 stop
SYD06:55Sydney Kingsford Smith
$1,728

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 10 August 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

Cheapest return flight

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Wed 14/10

10:20-09:50

2 stops38h 30m

Boston Logan Intl

Thu 22/10

10:40-08:20

2 stops30h 40m

$1,372

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 21/9

09:20-18:04

2 stops46h 44m

Boston Logan Intl

Mon 28/9

10:50-07:20

2 stops30h 30m

$1,380

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Wed 14/10

10:20-09:50

3 stops38h 30m

Boston Logan Intl

Thu 22/10

12:36-08:20

2 stops28h 44m

$1,412

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Thu 27/8

10:20-17:07

1 stop20h 47m

Boston Logan Intl

Sat 5/9

19:23-06:55

2 stops45h 32m

$1,440

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Thu 10/9

09:10-23:28

1 stop28h 18m

Boston Logan Intl

Wed 23/9

16:35-07:05

1 stop24h 30m

$1,666

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Wed 21/10

13:00-22:04

1 stop24h 04m

Boston Logan Intl

Fri 13/11

10:45-06:25

1 stop27h 40m

$1,709

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Wed 21/10

10:10-16:39

1 stop21h 29m

Boston Logan Intl

Sun 15/11

12:39-09:00

2 stops28h 21m

$1,720

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Tue 20/10

10:10-18:33

1 stop23h 23m

Boston Logan Intl

Tue 10/11

15:00-09:00

2 stops26h 00m

$1,720
Fastest return journey

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Tue 22/9

09:30-21:59

2 stops26h 29m

Boston Logan Intl

Tue 20/10

18:17-07:55

1 stop22h 38m

$1,833

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Thu 17/9

17:50-06:09

2 stops26h 19m

Boston Logan Intl

Thu 24/9

06:30-07:05

1 stop34h 35m

$1,884

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 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 $1,280 to $1,776.
The lowest price recently found on this route was $1,372.

What is the cheapest month to fly to Boston?

In general, January 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 $1,185. The month of October is another great option to travel to Boston, with average flight prices from Sydney averaging around $1,191.

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 $1,686 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 $1,379 on momondo.

Can stopping save me money on Sydney to Boston flights?

You could potentially save up to 22% 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 August 2026, prices for Sydney to Boston flights are approximately 32% 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 50m

Direct flights

None
The fastest flight from Sydney to Boston takes 20h 50m
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 20h 50m.

  • 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 $701Free cancellationRating
7.6
470 reviews
Search Virgin Australia flights
Air CanadaPriceFrom $1,122Free cancellationRating
7.1
11,457 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,125Free cancellationRating
7.4
10,099 reviews
Search United Airlines flights
DeltaPriceFrom $1,170Free cancellationRating
7.8
8,496 reviews
Search Delta flights
Qantas AirwaysPriceFrom $1,223Free cancellationRating
7.5
1,081 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,257Free cancellationRating
7.1
11,896 reviews
Search American Airlines 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
Hull
Sturbridge
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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