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Cheap flights from Sydney to Boston from $707

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 15/11. 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

American Airlines Logo
10:10 - 22:33SYD-BOS
27h 23m1 stop
American Airlines Logo
16:52 - 09:00BOS-SYD
24h 08m2 stops
$1,279American Airlines
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Thu, 9 Oct - Sun, 9 Nov
Delta Logo
09:25 - 01:21SYD-BOS
29h 56m2 stops
Delta Logo
16:30 - 06:35BOS-SYD
24h 05m1 stop
$1,281Delta
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Sat, 6 Sep - Fri, 19 Sep
Delta Logo
14:15 - 00:59SYD-BOS
26h 44m2 stops
Delta Logo
13:55 - 08:30BOS-SYD
26h 35m2 stops
$1,282Delta
Find Deal
Tue, 13 Jan - Mon, 26 Jan
United Airlines Logo
14:00 - 21:43SYD-BOS
23h 43m1 stop
United Airlines Logo
06:01 - 06:20BOS-SYD
32h 19m2 stops
$1,284United Airlines
Find Deal
Tue, 16 Dec - Thu, 1 Jan
United Airlines Logo
10:30 - 21:59SYD-BOS
26h 29m2 stops
United Airlines Logo
18:10 - 09:05BOS-SYD
23h 55m1 stop
$1,287United Airlines
Find Deal
Fri, 17 Oct - Fri, 31 Oct
Air Canada Logo
10:20 - 21:27SYD-BOS
26h 07m2 stops
Air Canada Logo
05:30 - 09:35BOS-SYD
36h 05m2 stops
$1,299Air Canada
Find Deal
Tue, 28 Oct - Sun, 2 Nov
Air Canada Logo
10:20 - 17:38SYD-BOS
46h 18m2 stops
Air Canada Logo
18:55 - 08:20BOS-SYD
46h 25m2 stops
$1,341Air Canada
Find Deal
Tue, 14 Oct - Sat, 18 Oct
Virgin Australia Logo
11:20 - 23:57SYD-BOS
27h 37m1 stop
Virgin Australia Logo
11:00 - 09:15BOS-SYD
31h 15m1 stop
$1,583Virgin Australia
Find Deal
Fri, 17 Oct - Fri, 31 Oct
Virgin Australia Logo
09:30 - 17:13SYD-BOS
21h 43m1 stop
Virgin Australia Logo
13:43 - 07:55BOS-SYD
27h 12m1 stop
$1,671Virgin Australia
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Wed, 24 Sep - Mon, 13 Oct
Hawaiian Airlines Logo
21:40 - 06:00SYD-BOS
23h 20m1 stop
Hawaiian Airlines Logo
08:00 - 19:45BOS-SYD
44h 45m1 stop
$1,714Hawaiian Airlines
Find Deal
Sat, 18 Oct - Thu, 30 Oct

Delta flights from Sydney to Boston

Our best Delta deals on Sydney to Boston flight tickets
Delta
6 Sept
SYD09:25Sydney Kingsford Smith
29h 56m
2 stops
BOS01:21Boston Logan Intl
19 Sept
BOS16:30Boston Logan Intl
24h 05m
1 stop
SYD06:35Sydney Kingsford Smith
$1,281
Find similar
Delta
13 Jan
SYD14:15Sydney Kingsford Smith
26h 44m
2 stops
BOS00:59Boston Logan Intl
26 Jan
BOS13:55Boston Logan Intl
26h 35m
2 stops
SYD08:30Sydney Kingsford Smith
$1,282
Find similar
Delta
6 Sept
SYD09:25Sydney Kingsford Smith
28h 22m
2 stops
BOS23:47Boston Logan Intl
19 Sept
BOS15:15Boston Logan Intl
25h 20m
2 stops
SYD06:35Sydney Kingsford Smith
$1,284
Find similar

Virgin Australia flights from Sydney to Boston

Our best Virgin Australia deals on Sydney to Boston flight tickets
Virgin Australia
17 Oct
SYD11:20Sydney Kingsford Smith
27h 37m
1 stop
BOS23:57Boston Logan Intl
31 Oct
BOS11:00Boston Logan Intl
31h 15m
1 stop
SYD09:15Sydney Kingsford Smith
$1,583
Find similar
Virgin Australia
24 Sept
SYD09:30Sydney Kingsford Smith
21h 43m
1 stop
BOS17:13Boston Logan Intl
13 Oct
BOS13:43Boston Logan Intl
27h 12m
1 stop
SYD07:55Sydney Kingsford Smith
$1,671
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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 27 August 2025.
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

Thu 9/10

10:10-22:33

1 stop27h 23m

Boston Logan Intl

Sun 9/11

16:52-09:00

2 stops24h 08m

$1,279

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Sat 6/9

09:25-01:21

2 stops29h 56m

Boston Logan Intl

Fri 19/9

16:30-06:35

1 stop24h 05m

$1,281

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Tue 13/1

14:15-00:59

2 stops26h 44m

Boston Logan Intl

Mon 26/1

13:55-08:30

2 stops26h 35m

$1,282

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Tue 16/12

14:00-21:43

1 stop23h 43m

Boston Logan Intl

Thu 1/1

06:01-06:20

2 stops32h 19m

$1,284

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Fri 17/10

10:30-21:59

2 stops26h 29m

Boston Logan Intl

Fri 31/10

18:10-09:05

1 stop23h 55m

$1,287

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Tue 28/10

10:20-21:27

2 stops26h 07m

Boston Logan Intl

Sun 2/11

05:30-09:35

2 stops36h 05m

$1,299

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Tue 14/10

10:20-17:38

2 stops46h 18m

Boston Logan Intl

Sat 18/10

18:55-08:20

2 stops46h 25m

$1,341

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Fri 17/10

11:20-23:57

1 stop27h 37m

Boston Logan Intl

Fri 31/10

11:00-09:15

1 stop31h 15m

$1,583

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 24/9

09:30-17:13

1 stop21h 43m

Boston Logan Intl

Mon 13/10

13:43-07:55

1 stop27h 12m

$1,671

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Sat 18/10

21:40-06:00

1 stop23h 20m

Boston Logan Intl

Thu 30/10

08:00-19:45

1 stop44h 45m

$1,714

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 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 $1,816. The month of March is another great option to travel to Boston, with average flight prices from Sydney averaging around $1,842.

What is the cheapest day to depart on your flight to Boston?

On average, the least expensive day to fly to Boston from Sydney is on a Sunday. momondo users have found tickets for Sunday departures for as low as $2,049. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $2,607. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boston.

What is the cheapest time of day to depart on your flight to Boston?

According to our data, the cheapest time of day to fly to Boston is in the afternoon. momondo users have found flights departing from Sydney to Boston in the afternoon for as low as $2,009. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Boston, so prices are often more expensive at around $2,207 per ticket.

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 $2,056 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 $1,794 on momondo.

How have Sydney to Boston flight prices changed over time?

As of August 2025, prices for Sydney to Boston flights are approximately 44% 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

Direct flights

None
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 51m.

  • 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
Hawaiian AirlinesPriceFrom $992Free cancellationRating
7.8
2,683 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $1,279Free cancellationRating
7.4
8,945 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,302Free cancellationRating
7.1
10,000 reviews
Search Air Canada flights
Virgin AustraliaPriceFrom $1,335Free cancellationRating
7.5
415 reviews
Search Virgin Australia flights
American AirlinesPriceFrom $1,362Free cancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air New ZealandPriceFrom $1,618Free cancellationRating
8.0
505 reviews
Search Air New Zealand flights
Qantas AirwaysPriceFrom $1,711Free cancellationRating
7.5
905 reviews
Search Qantas Airways flights
Japan AirlinesPriceFrom $1,816Free cancellationRating
8.3
1,552 reviews
Search Japan Airlines flights
Cathay PacificPriceFrom $1,914Free cancellationRating
7.6
977 reviews
Search Cathay Pacific flights

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Westford
Old Orchard Beach
Salem
Waltham
Chelsea
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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