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Cheap flights from Sydney to Boston from $676

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 10/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Sydney to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
12:00 pm - 8:54 pm
SYD
-
BOS
22h 54m
1 stop
Qantas Airways Logo
4:29 pm - 7:05 am
BOS
-
SYD
24h 36m
1 stop
$1,174Qantas Airways
Mon, Jun 1 - Mon, Jun 8
Qantas Airways Logo
12:00 pm - 8:54 pm
SYD
-
BOS
22h 54m
1 stop
Qantas Airways Logo
4:29 pm - 7:05 am
BOS
-
SYD
24h 36m
1 stop
$1,176Qantas Airways
Mon, Jun 1 - Wed, Jun 10
American Airlines Logo
9:10 am - 6:46 pm
SYD
-
BOS
23h 36m
2 stops
American Airlines Logo
4:06 pm - 7:05 am
BOS
-
SYD
24h 59m
2 stops
$1,195American Airlines
Mon, Jun 1 - Wed, Jun 10
Qantas Airways Logo
12:00 pm - 7:20 pm
SYD
-
BOS
21h 20m
1 stop
Qantas Airways Logo
4:29 pm - 7:05 am
BOS
-
SYD
24h 36m
1 stop
$1,196Qantas Airways
Wed, Jun 10 - Wed, Jun 17
Qantas Airways Logo
9:10 am - 6:40 pm
SYD
-
BOS
23h 30m
1 stop
Qantas Airways Logo
3:00 pm - 7:05 am
BOS
-
SYD
26h 05m
1 stop
$1,202Qantas Airways
Tue, Jul 28 - Tue, Aug 11
American Airlines Logo
9:10 am - 7:05 am
SYD
-
BOS
35h 55m
1 stop
American Airlines Logo
4:06 pm - 7:05 am
BOS
-
SYD
24h 59m
2 stops
$1,205American Airlines
Mon, Jun 1 - Mon, Jun 8
Qantas Airways Logo
9:10 am - 9:59 pm
SYD
-
BOS
26h 49m
1 stop
Qantas Airways Logo
10:30 am - 7:05 am
BOS
-
SYD
30h 35m
1 stop
$1,206Qantas Airways
Wed, Jun 3 - Wed, Aug 5
Qantas Airways Logo
9:10 am - 6:46 pm
SYD
-
BOS
23h 36m
2 stops
Qantas Airways Logo
10:30 am - 7:05 am
BOS
-
SYD
30h 35m
1 stop
$1,211Qantas Airways
Wed, Jun 3 - Wed, Aug 5
Delta Logo
9:15 am - 7:15 pm
SYD
-
BOS
24h 00m
2 stops
Delta Logo
9:15 am - 6:50 am
BOS
-
SYD
31h 35m
2 stops
$1,214Delta
Wed, Jun 3 - Wed, Aug 5
United Airlines Logo
9:30 am - 7:30 pm
SYD
-
BOS
24h 00m
2 stops
United Airlines Logo
3:08 pm - 7:00 am
BOS
-
SYD
25h 52m
2 stops
$1,221United Airlines
Wed, Jun 10 - Wed, Jun 17

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American Airlines flights from Sydney to Boston

Our best American Airlines deals on Sydney to Boston flight tickets
American Airlines
Jun 1
SYD9:10 amSydney Kingsford Smith
23h 36m
2 stops
BOS6:46 pmBoston Logan Intl
Jun 10
BOS4:06 pmBoston Logan Intl
24h 59m
2 stops
SYD7:05 amSydney Kingsford Smith
$1,195
American Airlines
Jun 1
SYD9:10 amSydney Kingsford Smith
35h 55m
1 stop
BOS7:05 amBoston Logan Intl
Jun 8
BOS4:06 pmBoston Logan Intl
24h 59m
2 stops
SYD7:05 amSydney Kingsford Smith
$1,205
American Airlines
Oct 3
SYD9:10 amSydney Kingsford Smith
23h 39m
2 stops
BOS6:49 pmBoston Logan Intl
Oct 13
BOS4:06 pmBoston Logan Intl
24h 59m
2 stops
SYD8:05 amSydney Kingsford Smith
$1,360

Qantas Airways flights from Sydney to Boston

Our best Qantas Airways deals on Sydney to Boston flight tickets
Qantas Airways
Jun 1
SYD12:00 pmSydney Kingsford Smith
22h 54m
1 stop
BOS8:54 pmBoston Logan Intl
Jun 8
BOS4:29 pmBoston Logan Intl
24h 36m
1 stop
SYD7:05 amSydney Kingsford Smith
$1,174
Qantas Airways
Jun 1
SYD12:00 pmSydney Kingsford Smith
22h 54m
1 stop
BOS8:54 pmBoston Logan Intl
Jun 10
BOS4:29 pmBoston Logan Intl
24h 36m
1 stop
SYD7:05 amSydney Kingsford Smith
$1,176
Qantas Airways
Jun 10
SYD12:00 pmSydney Kingsford Smith
21h 20m
1 stop
BOS7:20 pmBoston Logan Intl
Jun 17
BOS4:29 pmBoston Logan Intl
24h 36m
1 stop
SYD7:05 amSydney Kingsford Smith
$1,196

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 May 5, 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

Mon 6/1

12:00 pm-8:54 pm

1 stop22h 54m

Boston Logan Intl

Mon 6/8

4:29 pm-7:05 am

1 stop24h 36m

$1,174

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 6/1

12:00 pm-8:54 pm

1 stop22h 54m

Boston Logan Intl

Wed 6/10

4:29 pm-7:05 am

1 stop24h 36m

$1,176

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 6/1

9:10 am-6:46 pm

2 stops23h 36m

Boston Logan Intl

Wed 6/10

4:06 pm-7:05 am

2 stops24h 59m

$1,195
Quickest round-trip

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 6/10

12:00 pm-7:20 pm

1 stop21h 20m

Boston Logan Intl

Wed 6/17

4:29 pm-7:05 am

1 stop24h 36m

$1,196

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Tue 7/28

9:10 am-6:40 pm

1 stop23h 30m

Boston Logan Intl

Tue 8/11

3:00 pm-7:05 am

1 stop26h 05m

$1,202

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 6/1

9:10 am-7:05 am

1 stop35h 55m

Boston Logan Intl

Mon 6/8

4:06 pm-7:05 am

2 stops24h 59m

$1,205

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 6/3

9:10 am-9:59 pm

1 stop26h 49m

Boston Logan Intl

Wed 8/5

10:30 am-7:05 am

1 stop30h 35m

$1,206

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 6/3

9:10 am-6:46 pm

2 stops23h 36m

Boston Logan Intl

Wed 8/5

10:30 am-7:05 am

1 stop30h 35m

$1,211

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 6/3

9:15 am-7:15 pm

2 stops24h 00m

Boston Logan Intl

Wed 8/5

9:15 am-6:50 am

2 stops31h 35m

$1,214

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 6/10

9:30 am-7:30 pm

2 stops24h 00m

Boston Logan Intl

Wed 6/17

3:08 pm-7:00 am

2 stops25h 52m

$1,221

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 $852. 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 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 $1,188 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 $1,076 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 May 2026, prices for Sydney to Boston flights are approximately 25% 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 29m

Direct flights

None
The fastest flight from Sydney to Boston takes 21h 29m
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 29m, 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
9,683 reviews
Search United Airlines flights
DeltaPriceFrom $839Free CancellationRating
7.9
8,459 reviews
Search Delta flights
Qantas AirwaysPriceFrom $900Free CancellationRating
7.5
1,030 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
Gloucester
Narragansett
Brockton
Falmouth
Chatham
Warwick
Sturbridge
Laconia
Dennis Port
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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