Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Sydney to Boston from $887

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 9/7. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Sydney to Boston

Cheap return flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
12:00 - 19:20
SYD
-
BOS
21h 20m
1 stop
Qantas Airways Logo
17:33 - 07:05
BOS
-
SYD
23h 32m
1 stop
$1,405Qantas Airways
Wed, 15 Jul - Wed, 29 Jul
Qantas Airways Logo
12:00 - 22:18
SYD
-
BOS
24h 18m
1 stop
Qantas Airways Logo
15:00 - 07:05
BOS
-
SYD
26h 05m
1 stop
$1,411Qantas Airways
Mon, 3 Aug - Wed, 12 Aug
Qantas Airways Logo
12:00 - 19:20
SYD
-
BOS
21h 20m
1 stop
Qantas Airways Logo
17:33 - 07:05
BOS
-
SYD
23h 32m
1 stop
$1,412Qantas Airways
Wed, 15 Jul - Wed, 29 Jul
American Airlines Logo
09:10 - 16:38
SYD
-
BOS
21h 28m
1 stop
American Airlines Logo
13:02 - 07:05
BOS
-
SYD
28h 03m
2 stops
$1,413American Airlines
Wed, 15 Jul - Sun, 16 Aug
American Airlines Logo
09:10 - 23:43
SYD
-
BOS
28h 33m
1 stop
American Airlines Logo
15:52 - 07:05
BOS
-
SYD
25h 13m
2 stops
$1,415American Airlines
Mon, 3 Aug - Wed, 12 Aug
American Airlines Logo
09:10 - 18:47
SYD
-
BOS
23h 37m
2 stops
American Airlines Logo
17:33 - 07:05
BOS
-
SYD
23h 32m
1 stop
$1,416American Airlines
Wed, 15 Jul - Wed, 29 Jul
Qantas Airways Logo
12:00 - 19:20
SYD
-
BOS
21h 20m
1 stop
Qantas Airways Logo
07:00 - 07:05
BOS
-
SYD
34h 05m
1 stop
$1,419Qantas Airways
Wed, 15 Jul - Wed, 29 Jul
American Airlines Logo
09:10 - 18:47
SYD
-
BOS
23h 37m
2 stops
American Airlines Logo
17:33 - 07:05
BOS
-
SYD
23h 32m
1 stop
$1,422American Airlines
Wed, 15 Jul - Wed, 29 Jul
American Airlines Logo
09:10 - 18:42
SYD
-
BOS
23h 32m
1 stop
American Airlines Logo
15:00 - 07:05
BOS
-
SYD
26h 05m
1 stop
$1,426American Airlines
Mon, 10 Aug - Mon, 31 Aug
American Airlines Logo
09:10 - 19:42
SYD
-
BOS
24h 32m
2 stops
American Airlines Logo
15:53 - 07:05
BOS
-
SYD
25h 12m
2 stops
$1,433American Airlines
Mon, 10 Aug - Mon, 31 Aug

American Airlines flights from Sydney to Boston

Our best American Airlines deals on Sydney to Boston flight tickets
American Airlines
15 July
SYD09:10Sydney Kingsford Smith
21h 28m
1 stop
BOS16:38Boston Logan Intl
16 Aug
BOS13:02Boston Logan Intl
28h 03m
2 stops
SYD07:05Sydney Kingsford Smith
$1,413
American Airlines
3 Aug
SYD09:10Sydney Kingsford Smith
28h 33m
1 stop
BOS23:43Boston Logan Intl
12 Aug
BOS15:52Boston Logan Intl
25h 13m
2 stops
SYD07:05Sydney Kingsford Smith
$1,415
American Airlines
15 July
SYD09:10Sydney Kingsford Smith
23h 37m
2 stops
BOS18:47Boston Logan Intl
29 July
BOS16:06Boston Logan Intl
24h 59m
2 stops
SYD07:05Sydney Kingsford Smith
$1,416

Qantas Airways flights from Sydney to Boston

Our best Qantas Airways deals on Sydney to Boston flight tickets
Qantas Airways
15 July
SYD12:00Sydney Kingsford Smith
21h 20m
1 stop
BOS19:20Boston Logan Intl
29 July
BOS17:33Boston Logan Intl
23h 32m
1 stop
SYD07:05Sydney Kingsford Smith
$1,405
Qantas Airways
3 Aug
SYD12:00Sydney Kingsford Smith
24h 18m
1 stop
BOS22:18Boston Logan Intl
12 Aug
BOS15:00Boston Logan Intl
26h 05m
1 stop
SYD07:05Sydney Kingsford Smith
$1,411
Qantas Airways
15 July
SYD12:00Sydney Kingsford Smith
21h 20m
1 stop
BOS19:20Boston Logan Intl
29 July
BOS17:33Boston Logan Intl
23h 32m
1 stop
SYD07:05Sydney Kingsford Smith
$1,412

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 28 May 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
Fastest return journey

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 15/7

12:00-19:20

1 stop21h 20m

Boston Logan Intl

Wed 29/7

17:33-07:05

1 stop23h 32m

$1,405

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 3/8

12:00-22:18

1 stop24h 18m

Boston Logan Intl

Wed 12/8

15:00-07:05

1 stop26h 05m

$1,411

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 15/7

12:00-19:20

1 stop21h 20m

Boston Logan Intl

Wed 29/7

17:33-07:05

1 stop23h 32m

$1,412

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 15/7

09:10-16:38

1 stop21h 28m

Boston Logan Intl

Sun 16/8

13:02-07:05

2 stops28h 03m

$1,413

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 3/8

09:10-23:43

1 stop28h 33m

Boston Logan Intl

Wed 12/8

15:52-07:05

2 stops25h 13m

$1,415

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 15/7

09:10-18:47

2 stops23h 37m

Boston Logan Intl

Wed 29/7

17:33-07:05

1 stop23h 32m

$1,416

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 15/7

12:00-19:20

1 stop21h 20m

Boston Logan Intl

Wed 29/7

07:00-07:05

1 stop34h 05m

$1,419

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 15/7

09:10-18:47

2 stops23h 37m

Boston Logan Intl

Wed 29/7

17:33-07:05

1 stop23h 32m

$1,422

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 10/8

09:10-18:42

1 stop23h 32m

Boston Logan Intl

Mon 31/8

15:00-07:05

1 stop26h 05m

$1,426

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 10/8

09:10-19:42

2 stops24h 32m

Boston Logan Intl

Mon 31/8

15:53-07:05

2 stops25h 12m

$1,433

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

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 $1,188. The month of January is another great option to travel to Boston, with average flight prices from Sydney averaging around $1,259.

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 $1,638 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 $1,437 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 May 2026, prices for Sydney to Boston flights are approximately 25% 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

23h 24m

Direct flights

None
The fastest flight from Sydney to Boston takes 23h 24m
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 23h 24m.

  • 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 $694Free cancellationRating
7.6
458 reviews
Search Virgin Australia flights
Air CanadaPriceFrom $1,110Free cancellationRating
7.1
11,095 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,113Free cancellationRating
7.4
9,751 reviews
Search United Airlines flights
DeltaPriceFrom $1,158Free cancellationRating
7.9
8,423 reviews
Search Delta flights
Qantas AirwaysPriceFrom $1,192Free cancellationRating
7.5
1,043 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,236Free cancellationRating
7.1
11,639 reviews
Search American Airlines flights
Hawaiian AirlinesPriceFrom $1,397Free cancellationRating
7.8
2,835 reviews
Search Hawaiian Airlines flights
Air New ZealandPriceFrom $1,482Free cancellationRating
8.0
648 reviews
Search Air New Zealand flights
Cathay PacificPriceFrom $1,733Free cancellationRating
7.6
1,346 reviews
Search Cathay Pacific flights
Japan AirlinesPriceFrom $1,757Free cancellationRating
8.3
1,827 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
Hull
Randolph
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
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 27/6
Sat 4/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing Massachusetts

Cape Cod and the Islands Airport