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Cheap flights from Sydney to Boston from $527

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 2/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Qantas Airways Logo
9:10 am - 4:53 pm
SYD
-
BOS
21h 43m
1 stop
Qantas Airways Logo
10:00 am - 7:05 am
BOS
-
SYD
31h 05m
1 stop
$978Qantas Airways
Thu, Apr 30 - Tue, May 12
American Airlines Logo
11:20 am - 8:42 pm
SYD
-
BOS
24h 22m
2 stops
American Airlines Logo
9:30 am - 9:00 am
BOS
-
SYD
32h 30m
1 stop
$1,039American Airlines
Wed, Mar 18 - Sun, Mar 22
American Airlines Logo
11:20 am - 9:03 pm
SYD
-
BOS
24h 43m
2 stops
American Airlines Logo
5:20 pm - 9:00 am
BOS
-
SYD
24h 40m
1 stop
$1,042American Airlines
Wed, Mar 18 - Sun, Mar 22
American Airlines Logo
9:10 am - 4:53 pm
SYD
-
BOS
21h 43m
1 stop
American Airlines Logo
10:00 am - 7:05 am
BOS
-
SYD
31h 05m
1 stop
$1,045American Airlines
Mon, May 4 - Wed, May 6
American Airlines Logo
9:10 am - 6:41 pm
SYD
-
BOS
23h 31m
2 stops
American Airlines Logo
6:07 pm - 6:55 am
BOS
-
SYD
22h 48m
1 stop
$1,046American Airlines
Tue, May 26 - Wed, Jun 10
American Airlines Logo
9:10 am - 7:46 pm
SYD
-
BOS
24h 36m
2 stops
American Airlines Logo
3:17 pm - 7:05 am
BOS
-
SYD
25h 48m
2 stops
$1,049American Airlines
Mon, May 4 - Wed, May 6
Delta Logo
9:40 am - 4:14 pm
SYD
-
BOS
21h 34m
1 stop
Delta Logo
12:45 pm - 7:25 am
BOS
-
SYD
27h 40m
2 stops
$1,054Delta
Thu, Mar 19 - Mon, Mar 23
Delta Logo
9:15 am - 11:59 pm
SYD
-
BOS
28h 44m
2 stops
Delta Logo
10:55 am - 6:50 am
BOS
-
SYD
29h 55m
1 stop
$1,055Delta
Thu, Apr 30 - Tue, May 12
Delta Logo
9:15 am - 8:30 pm
SYD
-
BOS
25h 15m
2 stops
Delta Logo
3:05 pm - 6:50 am
BOS
-
SYD
25h 45m
2 stops
$1,056Delta
Tue, May 26 - Wed, Jun 10
American Airlines Logo
11:20 am - 10:15 pm
SYD
-
BOS
26h 55m
1 stop
American Airlines Logo
11:00 am - 8:05 am
BOS
-
SYD
30h 05m
1 stop
$1,061American Airlines
Sat, Feb 14 - Sun, Mar 29

Delta flights from Sydney to Boston

Our best Delta deals on Sydney to Boston flight tickets
Delta
Mar 19
SYD9:40 amSydney Kingsford Smith
21h 34m
1 stop
BOS4:14 pmBoston Logan Intl
Mar 23
BOS12:45 pmBoston Logan Intl
27h 40m
2 stops
SYD7:25 amSydney Kingsford Smith
$1,054
Delta
Feb 2
SYD10:40 amSydney Kingsford Smith
24h 14m
2 stops
BOS6:54 pmBoston Logan Intl
Feb 9
BOS3:05 pmBoston Logan Intl
25h 25m
2 stops
SYD8:30 amSydney Kingsford Smith
$1,055
Delta
May 26
SYD9:15 amSydney Kingsford Smith
25h 15m
2 stops
BOS8:30 pmBoston Logan Intl
Jun 10
BOS3:05 pmBoston Logan Intl
25h 45m
2 stops
SYD6:50 amSydney Kingsford Smith
$1,056

Air Canada flights from Sydney to Boston

Our best Air Canada deals on Sydney to Boston flight tickets
Air Canada
Apr 30
SYD9:20 amSydney Kingsford Smith
27h 18m
2 stops
BOS10:38 pmBoston Logan Intl
May 12
BOS10:35 amBoston Logan Intl
30h 45m
3 stops
SYD7:20 amSydney Kingsford Smith
$1,127
Air Canada
Apr 30
SYD9:20 amSydney Kingsford Smith
38h 25m
3 stops
BOS9:45 amBoston Logan Intl
May 12
BOS10:35 amBoston Logan Intl
30h 45m
3 stops
SYD7:20 amSydney Kingsford Smith
$1,178
Air Canada
Mar 13
SYD10:20 amSydney Kingsford Smith
38h 12m
3 stops
BOS9:32 amBoston Logan Intl
Mar 20
BOS3:35 pmBoston Logan Intl
26h 00m
2 stops
SYD8:35 amSydney Kingsford Smith
$1,210

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 January 28, 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

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 4/30

9:10 am-4:53 pm

1 stop21h 43m

Boston Logan Intl

Tue 5/12

10:00 am-7:05 am

1 stop31h 05m

$978

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 3/18

11:20 am-8:42 pm

2 stops24h 22m

Boston Logan Intl

Sun 3/22

9:30 am-9:00 am

1 stop32h 30m

$1,039

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 3/18

11:20 am-9:03 pm

2 stops24h 43m

Boston Logan Intl

Sun 3/22

5:20 pm-9:00 am

1 stop24h 40m

$1,042

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 5/4

9:10 am-4:53 pm

1 stop21h 43m

Boston Logan Intl

Wed 5/6

10:00 am-7:05 am

1 stop31h 05m

$1,045

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Tue 5/26

9:10 am-6:41 pm

2 stops23h 31m

Boston Logan Intl

Wed 6/10

6:07 pm-6:55 am

1 stop22h 48m

$1,046

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 5/4

9:10 am-7:46 pm

2 stops24h 36m

Boston Logan Intl

Wed 5/6

3:17 pm-7:05 am

2 stops25h 48m

$1,049

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 3/19

9:40 am-4:14 pm

1 stop21h 34m

Boston Logan Intl

Mon 3/23

12:45 pm-7:25 am

2 stops27h 40m

$1,054

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 4/30

9:15 am-11:59 pm

2 stops28h 44m

Boston Logan Intl

Tue 5/12

10:55 am-6:50 am

1 stop29h 55m

$1,055

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Tue 5/26

9:15 am-8:30 pm

2 stops25h 15m

Boston Logan Intl

Wed 6/10

3:05 pm-6:50 am

2 stops25h 45m

$1,056

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Sat 2/14

11:20 am-10:15 pm

1 stop26h 55m

Boston Logan Intl

Sun 3/29

11:00 am-8:05 am

1 stop30h 05m

$1,061

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 $1,024. If you aren’t able to travel during the month of October, then book flights to Boston from Sydney during November instead. Flights to Boston in November, while not as cheap as those in October, still average around $1,144.

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 $1,238 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 $1,151 on momondo.

Can stopping save me money on Sydney to Boston flights?

You could potentially save up to 16% 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 January 2026, prices for Sydney to Boston flights are approximately 23% 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 01m

Direct flights

None
The fastest flight from Sydney to Boston takes 21h 01m
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 01m, 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
9,208 reviews
Search United Airlines flights
DeltaPriceFrom $839Free CancellationRating
7.9
8,122 reviews
Search Delta flights
American AirlinesPriceFrom $1,047Free CancellationRating
7.2
11,201 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $1,053Free CancellationRating
7.5
978 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
South Yarmouth
Cambridge
Narragansett
Gloucester
Falmouth
Nashua
Brockton
Laconia
Sturbridge
Chatham
Warwick
Concord

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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