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Cheap flights from Sydney to Boston from $652

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 5/12. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
9:20 am - 9:45 am
SYD
-
BOS
38h 25m
2 stops
Air Canada Logo
6:25 pm - 7:20 am
BOS
-
SYD
70h 55m
3 stops
$955Air Canada
Thu, May 28 - Sat, Jun 6
Air Canada Logo
9:20 am - 5:57 pm
SYD
-
BOS
46h 37m
2 stops
Air Canada Logo
6:50 pm - 7:20 am
BOS
-
SYD
46h 30m
2 stops
$961Air Canada
Mon, Apr 20 - Sun, May 3
Air Canada Logo
9:20 am - 6:22 pm
SYD
-
BOS
47h 02m
2 stops
Air Canada Logo
10:40 am - 7:20 am
BOS
-
SYD
30h 40m
2 stops
$979Air Canada
Thu, Jun 18 - Tue, Sep 1
Multiple Airlines Logo
9:20 am - 10:39 pm
SYD
-
BOS
27h 19m
2 stops
Multiple Airlines Logo
3:08 pm - 7:20 am
BOS
-
SYD
26h 12m
2 stops
$983Multiple Airlines
Thu, Apr 30 - Tue, May 12
Multiple Airlines Logo
9:20 am - 10:39 pm
SYD
-
BOS
27h 19m
2 stops
Multiple Airlines Logo
3:08 pm - 7:20 am
BOS
-
SYD
26h 12m
2 stops
$985Multiple Airlines
Thu, Apr 30 - Tue, May 12
Air Canada Logo
9:20 am - 9:45 am
SYD
-
BOS
38h 25m
2 stops
Air Canada Logo
6:50 pm - 7:20 am
BOS
-
SYD
46h 30m
2 stops
$986Air Canada
Tue, May 5 - Tue, May 12
Air Canada Logo
9:20 am - 10:39 pm
SYD
-
BOS
27h 19m
2 stops
Air Canada Logo
10:35 am - 7:20 am
BOS
-
SYD
30h 45m
3 stops
$995Air Canada
Thu, Apr 30 - Tue, May 12
Air Canada Logo
9:20 am - 10:39 pm
SYD
-
BOS
27h 19m
2 stops
Air Canada Logo
10:35 am - 7:20 am
BOS
-
SYD
30h 45m
3 stops
$996Air Canada
Thu, Apr 30 - Tue, May 12
Air Canada Logo
9:20 am - 9:54 am
SYD
-
BOS
38h 34m
2 stops
Air Canada Logo
10:45 am - 7:20 am
BOS
-
SYD
30h 35m
2 stops
$1,003Air Canada
Thu, Apr 30 - Tue, May 12
Air Canada Logo
9:20 am - 2:47 pm
SYD
-
BOS
43h 27m
3 stops
Air Canada Logo
5:50 am - 7:20 am
BOS
-
SYD
35h 30m
3 stops
$1,006Air Canada
Tue, May 5 - Tue, May 12

Air Canada flights from Sydney to Boston

Our best Air Canada deals on Sydney to Boston flight tickets
Air Canada
May 28
SYD9:20 amSydney Kingsford Smith
38h 25m
2 stops
BOS9:45 amBoston Logan Intl
Jun 6
BOS6:25 pmBoston Logan Intl
70h 55m
3 stops
SYD7:20 amSydney Kingsford Smith
$955
Air Canada
Apr 20
SYD9:20 amSydney Kingsford Smith
46h 37m
2 stops
BOS5:57 pmBoston Logan Intl
May 3
BOS6:50 pmBoston Logan Intl
46h 30m
2 stops
SYD7:20 amSydney Kingsford Smith
$961
Air Canada
Jun 18
SYD9:20 amSydney Kingsford Smith
47h 02m
2 stops
BOS6:22 pmBoston Logan Intl
Sep 1
BOS10:40 amBoston Logan Intl
30h 40m
2 stops
SYD7:20 amSydney Kingsford Smith
$979

Qatar Airways flights from Sydney to Boston

Our best Qatar Airways deals on Sydney to Boston flight tickets
Qatar Airways
Apr 4
SYD3:50 pmSydney Kingsford Smith
37h 55m
2 stops
BOS2:45 pmBoston Logan Intl
May 4
BOS10:00 pmBoston Logan Intl
42h 10m
1 stop
SYD6:10 amSydney Kingsford Smith
$1,893
Qatar Airways
Apr 4
SYD3:50 pmSydney Kingsford Smith
34h 35m
2 stops
BOS11:25 amBoston Logan Intl
May 4
BOS10:00 pmBoston Logan Intl
31h 55m
2 stops
SYD7:55 pmSydney Kingsford Smith
$2,015
Qatar Airways
Apr 4
SYD3:50 pmSydney Kingsford Smith
34h 35m
2 stops
BOS11:25 amBoston Logan Intl
Apr 11
BOS3:59 pmBoston Logan Intl
35h 11m
2 stops
SYD5:10 pmSydney Kingsford Smith
$2,161

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated March 21, 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 round-trip

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 5/28

9:20 am-9:45 am

2 stops38h 25m

Boston Logan Intl

Sat 6/6

6:25 pm-7:20 am

3 stops70h 55m

$955

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 4/20

9:20 am-5:57 pm

2 stops46h 37m

Boston Logan Intl

Sun 5/3

6:50 pm-7:20 am

2 stops46h 30m

$961

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 6/18

9:20 am-6:22 pm

2 stops47h 02m

Boston Logan Intl

Tue 9/1

10:40 am-7:20 am

2 stops30h 40m

$979
Quickest round-trip

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 4/30

9:20 am-10:39 pm

2 stops27h 19m

Boston Logan Intl

Tue 5/12

3:08 pm-7:20 am

2 stops26h 12m

$983

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 4/30

9:20 am-10:39 pm

2 stops27h 19m

Boston Logan Intl

Tue 5/12

3:08 pm-7:20 am

2 stops26h 12m

$985

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Tue 5/5

9:20 am-9:45 am

2 stops38h 25m

Boston Logan Intl

Tue 5/12

6:50 pm-7:20 am

2 stops46h 30m

$986

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 4/30

9:20 am-10:39 pm

2 stops27h 19m

Boston Logan Intl

Tue 5/12

10:35 am-7:20 am

3 stops30h 45m

$995

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 4/30

9:20 am-10:39 pm

2 stops27h 19m

Boston Logan Intl

Tue 5/12

10:35 am-7:20 am

3 stops30h 45m

$996

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 4/30

9:20 am-9:54 am

2 stops38h 34m

Boston Logan Intl

Tue 5/12

10:45 am-7:20 am

2 stops30h 35m

$1,003

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Tue 5/5

9:20 am-2:47 pm

3 stops43h 27m

Boston Logan Intl

Tue 5/12

5:50 am-7:20 am

3 stops35h 30m

$1,006

Flights are sorted by cheapest round-trip 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?

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 $851. If you aren’t able to travel during the month of October, then book flights to Boston from Sydney during January instead. Flights to Boston in January, while not as cheap as those in October, still average around $901.

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 $1,178 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Sydney for as low as $1,120 on momondo.

Can stopping save me money on Sydney to Boston flights?

You could potentially save up to 21% 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 March 2026, prices for Sydney to Boston flights are approximately 35% 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 round-trip 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

21h 21m

Direct flights

None
The fastest flight from Sydney to Boston takes 21h 21m
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?

    The distance between Sydney Kingsford Smith and Boston Logan Intl is about 10084.4 mi. Flights usually cover this in 21h 21m, depending on flying conditions and air traffic around both airports.

  • 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 are refreshed on a daily basis.

  • 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 travel and health documents you'll need for your trip to Boston Logan Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boston Logan Intl Airport. It is always advisable to seek advice from your airline or a trusted 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 $829Free CancellationRating
7.4
9,451 reviews
Search United Airlines flights
DeltaPriceFrom $839Free CancellationRating
7.9
8,312 reviews
Search Delta flights
Qantas AirwaysPriceFrom $900Free CancellationRating
7.5
1,006 reviews
Search Qantas Airways flights

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Old Orchard Beach
Hampton
York Beach
Kennebunkport
Plymouth
Cambridge
South Yarmouth
Narragansett
Gloucester
Falmouth
Brockton
Warwick
Laconia
Chatham
Nashua
Sturbridge
Everett

Why use momondo?

Why should I use momondo to find a flight deal from Sydney to Boston?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Sydney to Boston for you.

Can I find flights from Sydney to Boston with flexible booking policies on momondo?

Yes. All flights to Boston from Sydney on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Sydney to Boston?

Once you have performed a search for Sydney to Boston flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Sydney to Boston right now. Can momondo alert me if prices change?

Price alerts on flights to Boston from Sydney are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Boston trip

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