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Cheap flights from Sydney to Boston from $606

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sydney to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
11:20 am - 9:28 pmSYD  Sydney Kingsford Smith-BOS Boston Logan Intl
26h 08m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
10:25 am - 9:35 amBOS  Boston Logan Intl-SYD Sydney Kingsford Smith
31h 10m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$920Air Canada
Mon, Nov 2 - Mon, Nov 16
Air Canada Logo
11:20 am - 9:28 pmSYD  Sydney Kingsford Smith-BOS Boston Logan Intl
26h 08m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
10:25 am - 9:35 amBOS  Boston Logan Intl-SYD Sydney Kingsford Smith
31h 10m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Vancouver Intl
$928Air Canada
Mon, Nov 2 - Mon, Nov 16
Air Canada Logo
11:20 am - 9:48 amSYD  Sydney Kingsford Smith-BOS Boston Logan Intl
38h 28m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
10:25 am - 9:35 amBOS  Boston Logan Intl-SYD Sydney Kingsford Smith
31h 10m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$956Air Canada
Wed, Jan 27 - Thu, Feb 11
American Airlines Logo
11:20 am - 9:37 amSYD  Sydney Kingsford Smith-BOS Boston Logan Intl
38h 17m2 stops Los Angeles Washington, D.C. Reagan-National
American Airlines Logo
1:33 pm - 9:00 amBOS  Boston Logan Intl-SYD Sydney Kingsford Smith
27h 27m2 stops Chicago O'Hare Intl Los Angeles
$987American Airlines
Wed, Jan 27 - Sun, Jan 31
American Airlines Logo
11:20 am - 9:37 amSYD  Sydney Kingsford Smith-BOS Boston Logan Intl
38h 17m2 stops Los Angeles Washington, D.C. Reagan-National
American Airlines Logo
8:49 am - 9:00 amBOS  Boston Logan Intl-SYD Sydney Kingsford Smith
32h 11m1 stop Los Angeles
$987American Airlines
Wed, Jan 27 - Sun, Jan 31
American Airlines Logo
11:20 am - 9:37 amSYD  Sydney Kingsford Smith-BOS Boston Logan Intl
38h 17m2 stops Los Angeles Washington, D.C. Reagan-National
American Airlines Logo
1:33 pm - 9:00 amBOS  Boston Logan Intl-SYD Sydney Kingsford Smith
27h 27m2 stops Chicago O'Hare Intl Los Angeles
$990American Airlines
Wed, Jan 27 - Sun, Jan 31
Qantas Airways Logo
11:10 am - 4:29 pmSYD  Sydney Kingsford Smith-BOS Boston Logan Intl
21h 19m1 stop Los Angeles
Qantas Airways Logo
2:25 pm - 9:00 amBOS  Boston Logan Intl-SYD Sydney Kingsford Smith
26h 35m1 stop Los Angeles
$1,011Qantas Airways
Mon, Nov 2 - Mon, Nov 16
Qantas Airways Logo
1:05 pm - 9:26 pmSYD  Sydney Kingsford Smith-BOS Boston Logan Intl
23h 21m1 stop Dallas/Fort Worth
Qantas Airways Logo
2:25 pm - 9:00 amBOS  Boston Logan Intl-SYD Sydney Kingsford Smith
26h 35m1 stop Los Angeles
$1,017Qantas Airways
Mon, Oct 26 - Tue, Nov 3
United Airlines Logo
11:50 am - 7:19 pmSYD  Sydney Kingsford Smith-BOS Boston Logan Intl
22h 29m1 stop San Francisco
United Airlines Logo
3:28 pm - 7:00 amBOS  Boston Logan Intl-SYD Sydney Kingsford Smith
23h 32m1 stop Houston George Bush Intcntl
$1,048United Airlines
Mon, Oct 26 - Mon, Nov 2
United Airlines Logo
11:50 am - 7:19 pmSYD  Sydney Kingsford Smith-BOS Boston Logan Intl
22h 29m1 stop San Francisco
United Airlines Logo
3:28 pm - 7:00 amBOS  Boston Logan Intl-SYD Sydney Kingsford Smith
23h 32m1 stop Houston George Bush Intcntl
$1,050United Airlines
Mon, Oct 26 - Mon, Nov 2

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United Airlines flights from Sydney to Boston

Our best United Airlines deals on Sydney to Boston flight tickets
United Airlines
Oct 26
SYD10:55 amSydney Kingsford Smith
20h 58m
1 stop
BOS4:53 pmBoston Logan Intl
Nov 3
BOS3:01 pmBoston Logan Intl
26h 04m
2 stops
SYD9:05 amSydney Kingsford Smith
$1,052
United Airlines
Oct 26
SYD11:50 amSydney Kingsford Smith
22h 29m
1 stop
BOS7:19 pmBoston Logan Intl
Nov 2
BOS3:28 pmBoston Logan Intl
23h 32m
1 stop
SYD7:00 amSydney Kingsford Smith
$1,060
United Airlines
Oct 27
SYD11:50 amSydney Kingsford Smith
27h 09m
2 stops
BOS11:59 pmBoston Logan Intl
Nov 4
BOS8:25 amBoston Logan Intl
32h 40m
1 stop
SYD9:05 amSydney Kingsford Smith
$1,069

American Airlines flights from Sydney to Boston

Our best American Airlines deals on Sydney to Boston flight tickets
American Airlines
Jan 27
SYD11:20 amSydney Kingsford Smith
38h 17m
2 stops
BOS9:37 amBoston Logan Intl
Jan 31
BOS1:33 pmBoston Logan Intl
27h 27m
2 stops
SYD9:00 amSydney Kingsford Smith
$987
American Airlines
Jan 27
SYD11:20 amSydney Kingsford Smith
38h 17m
2 stops
BOS9:37 amBoston Logan Intl
Jan 31
BOS8:49 amBoston Logan Intl
32h 11m
1 stop
SYD9:00 amSydney Kingsford Smith
$990
American Airlines
Jan 27
SYD11:20 amSydney Kingsford Smith
38h 17m
2 stops
BOS9:37 amBoston Logan Intl
Jan 31
BOS1:33 pmBoston Logan Intl
27h 27m
2 stops
SYD9:00 amSydney Kingsford Smith
$994

momondo Fare Finder

 
Use the filters below to find and compare flights from Sydney to Boston that are best for you.

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Price

Cheapest round-trip

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 11/2

11:20 am-9:28 pm

2 stops26h 08m

Boston Logan Intl

Mon 11/16

10:25 am-9:35 am

2 stops31h 10m

$920

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 11/2

11:20 am-9:28 pm

2 stops26h 08m

Boston Logan Intl

Mon 11/16

10:25 am-9:35 am

3 stops31h 10m

$928

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Wed 1/27

11:20 am-9:48 am

2 stops38h 28m

Boston Logan Intl

Thu 2/11

10:25 am-9:35 am

2 stops31h 10m

$956

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Wed 1/27

11:20 am-9:37 am

2 stops38h 17m

Boston Logan Intl

Sun 1/31

1:33 pm-9:00 am

2 stops27h 27m

$987

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Wed 1/27

11:20 am-9:37 am

2 stops38h 17m

Boston Logan Intl

Sun 1/31

8:49 am-9:00 am

1 stop32h 11m

$987

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Wed 1/27

11:20 am-9:37 am

2 stops38h 17m

Boston Logan Intl

Sun 1/31

1:33 pm-9:00 am

2 stops27h 27m

$990

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 11/2

11:10 am-4:29 pm

1 stop21h 19m

Boston Logan Intl

Mon 11/16

2:25 pm-9:00 am

1 stop26h 35m

$1,011

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 10/26

1:05 pm-9:26 pm

1 stop23h 21m

Boston Logan Intl

Tue 11/3

2:25 pm-9:00 am

1 stop26h 35m

$1,017
Quickest round-trip

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 10/26

11:50 am-7:19 pm

1 stop22h 29m

Boston Logan Intl

Mon 11/2

3:28 pm-7:00 am

1 stop23h 32m

$1,048

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 10/26

11:50 am-7:19 pm

1 stop22h 29m

Boston Logan Intl

Mon 11/2

3:28 pm-7:00 am

1 stop23h 32m

$1,050

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?

Prices are currently low for flights on this route.

Typical prices usually range from $976 to $1,432.
The lowest price recently found on this route was $920.

What is the cheapest month to fly to Boston?

In general, February 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 $1,113. If you aren’t able to travel during the month of February, then book flights to Boston from Sydney during November instead. Flights to Boston in November, while not as cheap as those in February, still average around $1,122.

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 $1,270 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 $1,228 on momondo.

Can stopping save me money on Sydney to Boston flights?

You could potentially save up to 24% 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 October 2026, prices for Sydney to Boston flights are approximately 30% 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

Best Price Found

$606

Fastest flight time

21h 19m

Direct flights

None
The best one-way flight to Boston from Sydney in the past 72 hours is $606. The best round-trip flight deal from Sydney to Boston found on momondo in the last 72 hours is $920.
The fastest flight from Sydney to Boston takes 21h 19m
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?

    The distance between Sydney Kingsford Smith and Boston Logan Intl is about 10084.4 mi. Flights usually cover this in 21h 19m, 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
Qantas AirwaysPriceFrom $972Free CancellationRating
7.5
1,101 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $973Free CancellationRating
7.4
10,282 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,047Free CancellationRating
7.0
12,129 reviews
Search American Airlines flights

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Ogunquit
Old Orchard Beach
Salem
Laconia
Kennebunkport
Cambridge
Revere
South Yarmouth
Hampton
Plymouth
Middletown
South Portland
Everett
Gloucester
Seekonk
Brockton
Warwick
Wells
Nashua

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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