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Cheap flights from Sydney to Boston from $530

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 1/18. 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

Enter your travel dates to find the best prices.
Qantas Airways Logo
7:20 am - 3:29 pm
SYD
-
BOS
24h 09m2 stops
Qantas Airways Logo
4:19 pm - 10:55 am
BOS
-
SYD
26h 36m2 stops
$982Qantas Airways
lun., ene. 26 - lun., feb. 9
Qantas Airways Logo
7:20 am - 3:29 pm
SYD
-
BOS
24h 09m2 stops
Qantas Airways Logo
8:00 am - 9:20 am
BOS
-
SYD
33h 20m2 stops
$1,054Qantas Airways
mar., ene. 27 - mar., feb. 3
Qantas Airways Logo
6:05 am - 5:05 pm
SYD
-
BOS
27h 00m2 stops
Qantas Airways Logo
4:30 pm - 9:50 am
BOS
-
SYD
26h 20m2 stops
$1,055Qantas Airways
mar., feb. 17 - vie., mar. 20
Qantas Airways Logo
7:05 am - 5:56 pm
SYD
-
BOS
26h 51m2 stops
Qantas Airways Logo
3:56 pm - 10:55 am
BOS
-
SYD
26h 59m2 stops
$1,065Qantas Airways
dom., feb. 1 - dom., feb. 22
Qantas Airways Logo
10:05 am - 3:29 pm
SYD
-
BOS
45h 24m2 stops
Qantas Airways Logo
4:45 pm - 9:00 am
BOS
-
SYD
24h 15m1 stop
$1,066Qantas Airways
lun., feb. 2 - mié., feb. 25
Qantas Airways Logo
4:25 pm - 5:56 pm
SYD
-
BOS
41h 31m2 stops
Qantas Airways Logo
10:50 am - 9:55 pm
BOS
-
SYD
43h 05m2 stops
$1,067Qantas Airways
sáb., ene. 31 - mar., feb. 24
Qantas Airways Logo
10:05 am - 5:56 pm
SYD
-
BOS
23h 51m2 stops
Qantas Airways Logo
11:00 am - 10:55 am
BOS
-
SYD
31h 55m2 stops
$1,071Qantas Airways
mar., ene. 20 - mar., ene. 27
Air Canada Logo
11:20 am - 7:42 pm
SYD
-
BOS
48h 22m2 stops
Air Canada Logo
6:40 pm - 9:35 am
BOS
-
SYD
46h 55m3 stops
$1,077Air Canada
lun., ene. 26 - lun., feb. 9
Air Canada Logo
11:20 am - 5:50 pm
SYD
-
BOS
46h 30m3 stops
Air Canada Logo
3:35 pm - 9:35 am
BOS
-
SYD
26h 00m2 stops
$1,079Air Canada
mar., ene. 27 - mar., feb. 3
Qantas Airways Logo
11:20 am - 8:58 pm
SYD
-
BOS
25h 38m1 stop
Qantas Airways Logo
4:19 pm - 12:15 pm
BOS
-
SYD
27h 56m2 stops
$1,082Qantas Airways
jue., ene. 15 - vie., ene. 30

United Airlines flights from Sydney to Boston

Our best United Airlines deals on Sydney to Boston flight tickets
United Airlines
Apr 13
SYD9:30 amSydney Kingsford Smith
21h 25m
1 stop
BOS4:55 pmBoston Logan Intl
Apr 28
BOS9:30 amBoston Logan Intl
31h 25m
2 stops
SYD6:55 amSydney Kingsford Smith
$1,184
Find similar
United Airlines
Dec 16
SYD11:20 amSydney Kingsford Smith
21h 34m
1 stop
BOS4:54 pmBoston Logan Intl
Jan 9
BOS5:57 pmBoston Logan Intl
23h 18m
1 stop
SYD9:15 amSydney Kingsford Smith
$2,253
Find similar

Air Canada flights from Sydney to Boston

Our best Air Canada deals on Sydney to Boston flight tickets
Air Canada
Jan 26
SYD11:20 amSydney Kingsford Smith
48h 22m
2 stops
BOS7:42 pmBoston Logan Intl
Feb 9
BOS6:40 pmBoston Logan Intl
46h 55m
3 stops
SYD9:35 amSydney Kingsford Smith
$1,077
Find similar
Air Canada
Jan 27
SYD11:20 amSydney Kingsford Smith
46h 30m
3 stops
BOS5:50 pmBoston Logan Intl
Feb 3
BOS3:35 pmBoston Logan Intl
26h 00m
2 stops
SYD9:35 amSydney Kingsford Smith
$1,079
Find similar
Air Canada
Jan 29
SYD11:20 amSydney Kingsford Smith
38h 12m
2 stops
BOS9:32 amBoston Logan Intl
Feb 5
BOS10:15 amBoston Logan Intl
31h 20m
2 stops
SYD9:35 amSydney Kingsford Smith
$1,087
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 diciembre 15, 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

lun. 1/26

7:20 am-3:29 pm

2 stops24h 09m

Boston Logan Intl

lun. 2/9

4:19 pm-10:55 am

2 stops26h 36m

$982

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

mar. 1/27

7:20 am-3:29 pm

2 stops24h 09m

Boston Logan Intl

mar. 2/3

8:00 am-9:20 am

2 stops33h 20m

$1,054

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

mar. 2/17

6:05 am-5:05 pm

2 stops27h 00m

Boston Logan Intl

vie. 3/20

4:30 pm-9:50 am

2 stops26h 20m

$1,055

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

dom. 2/1

7:05 am-5:56 pm

2 stops26h 51m

Boston Logan Intl

dom. 2/22

3:56 pm-10:55 am

2 stops26h 59m

$1,065

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

lun. 2/2

10:05 am-3:29 pm

2 stops45h 24m

Boston Logan Intl

mié. 2/25

4:45 pm-9:00 am

1 stop24h 15m

$1,066

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

sáb. 1/31

4:25 pm-5:56 pm

2 stops41h 31m

Boston Logan Intl

mar. 2/24

10:50 am-9:55 pm

2 stops43h 05m

$1,067

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

mar. 1/20

10:05 am-5:56 pm

2 stops23h 51m

Boston Logan Intl

mar. 1/27

11:00 am-10:55 am

2 stops31h 55m

$1,071

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

lun. 1/26

11:20 am-7:42 pm

2 stops48h 22m

Boston Logan Intl

lun. 2/9

6:40 pm-9:35 am

3 stops46h 55m

$1,077

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

mar. 1/27

11:20 am-5:50 pm

3 stops46h 30m

Boston Logan Intl

mar. 2/3

3:35 pm-9:35 am

2 stops26h 00m

$1,079

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

jue. 1/15

11:20 am-8:58 pm

1 stop25h 38m

Boston Logan Intl

vie. 1/30

4:19 pm-12:15 pm

2 stops27h 56m

$1,082

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 $1,031. 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.

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 $1,289 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 $1,107 on momondo.

Can stopping save me money on Sydney to Boston flights?

You could potentially save up to 6% 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 December 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 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

22h 06m

Direct flights

None
The fastest flight from Sydney to Boston takes 22h 06m
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 22h 06m, 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
9,093 reviews
Search United Airlines flights
DeltaPriceFrom $839Free CancellationRating
7.9
8,010 reviews
Search Delta flights
Qantas AirwaysPriceFrom $900Free CancellationRating
7.5
946 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
South Yarmouth
Cambridge
Narragansett
Gloucester
Nashua
Falmouth
Laconia
Brockton
Concord
Sturbridge
Everett
Chatham

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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