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Cheap flights from Sydney to Boston from $616

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 11/14. 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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Cheap round-trip flights

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Air Canada Logo
11:20 am - 5:50 pmSYD-BOS
46h 30m3 stops
Air Canada Logo
6:40 pm - 9:35 amBOS-SYD
46h 55m2 stops
$869Air Canada
Find Deal
mié., nov. 12 - lun., nov. 17
Air Canada Logo
11:20 am - 10:37 pmSYD-BOS
27h 17m2 stops
Air Canada Logo
6:40 pm - 9:35 amBOS-SYD
46h 55m3 stops
$876Air Canada
Find Deal
jue., nov. 13 - lun., nov. 17
Air Canada Logo
11:20 am - 9:32 amSYD-BOS
38h 12m2 stops
Air Canada Logo
6:40 pm - 9:35 amBOS-SYD
46h 55m2 stops
$883Air Canada
Find Deal
mar., nov. 11 - lun., nov. 17
Air New Zealand Logo
9:55 am - 7:58 amSYD-BOS
38h 03m2 stops
Air New Zealand Logo
9:29 am - 8:45 amBOS-SYD
32h 16m2 stops
$996Air New Zealand
Find Deal
mar., feb. 24 - mié., mar. 11
Qantas Airways Logo
12:10 pm - 9:10 pmSYD-BOS
23h 00m1 stop
Qantas Airways Logo
6:15 pm - 7:30 amBOS-SYD
23h 15m1 stop
$1,043Qantas Airways
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mié., abr. 15 - mar., abr. 28
American Airlines Logo
12:10 pm - 6:59 pmSYD-BOS
20h 49m1 stop
American Airlines Logo
4:19 pm - 7:05 amBOS-SYD
24h 46m2 stops
$1,048American Airlines
Find Deal
mié., abr. 15 - mar., abr. 28
United Airlines Logo
11:50 am - 6:32 pmSYD-BOS
22h 42m2 stops
United Airlines Logo
1:32 pm - 7:00 amBOS-SYD
25h 28m1 stop
$1,062United Airlines
Find Deal
mar., nov. 11 - mié., nov. 19
Qantas Airways Logo
11:20 am - 4:26 pmSYD-BOS
21h 06m1 stop
Qantas Airways Logo
7:15 am - 9:00 amBOS-SYD
33h 45m1 stop
$1,098Qantas Airways
Find Deal
vie., feb. 6 - vie., feb. 27
American Airlines Logo
11:20 am - 6:47 pmSYD-BOS
22h 27m1 stop
American Airlines Logo
6:12 pm - 6:55 amBOS-SYD
45h 43m1 stop
$1,102American Airlines
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mié., mar. 11 - dom., mar. 15
United Airlines Logo
12:10 pm - 8:05 pmSYD-BOS
23h 55m2 stops
United Airlines Logo
2:20 pm - 9:05 amBOS-SYD
26h 45m2 stops
$1,167United Airlines
Find Deal
mié., ene. 14 - mié., ene. 28

United Airlines flights from Sydney to Boston

Our best United Airlines deals on Sydney to Boston flight tickets
United Airlines
Nov 11
SYD11:50 amSydney Kingsford Smith
22h 42m
2 stops
BOS6:32 pmBoston Logan Intl
Nov 19
BOS1:32 pmBoston Logan Intl
25h 28m
1 stop
SYD7:00 amSydney Kingsford Smith
$1,062
Find similar
United Airlines
Nov 3
SYD12:10 pmSydney Kingsford Smith
23h 14m
1 stop
BOS7:24 pmBoston Logan Intl
Nov 17
BOS6:10 pmBoston Logan Intl
22h 55m
1 stop
SYD9:05 amSydney Kingsford Smith
$1,163
Find similar
United Airlines
Jan 14
SYD12:10 pmSydney Kingsford Smith
23h 55m
2 stops
BOS8:05 pmBoston Logan Intl
Jan 28
BOS2:20 pmBoston Logan Intl
26h 45m
2 stops
SYD9:05 amSydney Kingsford Smith
$1,167
Find similar

Qantas Airways flights from Sydney to Boston

Our best Qantas Airways deals on Sydney to Boston flight tickets
Qantas Airways
Apr 15
SYD12:10 pmSydney Kingsford Smith
23h 00m
1 stop
BOS9:10 pmBoston Logan Intl
Apr 28
BOS6:15 pmBoston Logan Intl
23h 15m
1 stop
SYD7:30 amSydney Kingsford Smith
$1,043
Find similar
Qantas Airways
Feb 6
SYD11:20 amSydney Kingsford Smith
21h 06m
1 stop
BOS4:26 pmBoston Logan Intl
Feb 27
BOS7:15 amBoston Logan Intl
33h 45m
1 stop
SYD9:00 amSydney Kingsford Smith
$1,098
Find similar
Qantas Airways
Jan 14
SYD11:20 amSydney Kingsford Smith
21h 06m
1 stop
BOS4:26 pmBoston Logan Intl
Jan 28
BOS8:00 amBoston Logan Intl
33h 00m
1 stop
SYD9:00 amSydney Kingsford Smith
$1,103
Find similar

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 octubre 30, 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

mié. 11/12

11:20 am-5:50 pm

3 stops46h 30m

Boston Logan Intl

lun. 11/17

6:40 pm-9:35 am

2 stops46h 55m

$869

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

jue. 11/13

11:20 am-10:37 pm

2 stops27h 17m

Boston Logan Intl

lun. 11/17

6:40 pm-9:35 am

3 stops46h 55m

$876

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

mar. 11/11

11:20 am-9:32 am

2 stops38h 12m

Boston Logan Intl

lun. 11/17

6:40 pm-9:35 am

2 stops46h 55m

$883

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

mar. 2/24

9:55 am-7:58 am

2 stops38h 03m

Boston Logan Intl

mié. 3/11

9:29 am-8:45 am

2 stops32h 16m

$996

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

mié. 4/15

12:10 pm-9:10 pm

1 stop23h 00m

Boston Logan Intl

mar. 4/28

6:15 pm-7:30 am

1 stop23h 15m

$1,043

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

mié. 4/15

12:10 pm-6:59 pm

1 stop20h 49m

Boston Logan Intl

mar. 4/28

4:19 pm-7:05 am

2 stops24h 46m

$1,048

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

mar. 11/11

11:50 am-6:32 pm

2 stops22h 42m

Boston Logan Intl

mié. 11/19

1:32 pm-7:00 am

1 stop25h 28m

$1,062

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

vie. 2/6

11:20 am-4:26 pm

1 stop21h 06m

Boston Logan Intl

vie. 2/27

7:15 am-9:00 am

1 stop33h 45m

$1,098

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

mié. 3/11

11:20 am-6:47 pm

1 stop22h 27m

Boston Logan Intl

dom. 3/15

6:12 pm-6:55 am

1 stop45h 43m

$1,102

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

mié. 1/14

12:10 pm-8:05 pm

2 stops23h 55m

Boston Logan Intl

mié. 1/28

2:20 pm-9:05 am

2 stops26h 45m

$1,167

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 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 $1,039. If you aren’t able to travel during the month of October, then book flights to Boston from Sydney during March instead. Flights to Boston in March, while not as cheap as those in October, still average around $1,177.

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

The cheapest day to depart from Sydney to Boston is on a Thursday when prices can be found for as low as $1,280. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Saturday is $2,147.

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 morning. momondo users have found flights departing from Sydney to Boston in the morning for as low as $1,444. 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 afternoon is when there is more demand to fly to Boston, so prices are often more expensive at around $1,844 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 $1,303 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 $1,156 on momondo.

How have Sydney to Boston flight prices changed over time?

As of October 2025, prices for Sydney to Boston flights are approximately 39% 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

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?

    The distance between Sydney Kingsford Smith and Boston Logan Intl is about 10084.4 mi. Flights usually cover this in 20h 49m, 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
8,998 reviews
Search United Airlines flights
DeltaPriceFrom $839Free CancellationRating
7.9
7,998 reviews
Search Delta flights
Qantas AirwaysPriceFrom $900Free CancellationRating
7.5
925 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
Plymouth
Kennebunkport
Cambridge
South Yarmouth
Narragansett
Nashua
Gloucester
Falmouth
Laconia
Brockton
Concord
Everett
Sturbridge
Warwick

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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sáb. 11/29
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