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Cheap flights from Sydney to Boston from $853

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 16/5. 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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Find the cheapest flights from Sydney to Boston

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from Sydney to Boston.
09:20 - 14:32SYD-BOS
43h 12m2 stops
06:00 - 07:20BOS-SYD
35h 20m2 stops
$1,618Air Canada
Find Deal
Thu, 22 May - Thu, 29 May
09:20 - 09:55SYD-BOS
38h 35m2 stops
06:00 - 07:20BOS-SYD
35h 20m2 stops
$1,637Air Canada
Find Deal
Tue, 29 Jul - Thu, 14 Aug
17:45 - 07:05SYD-BOS
27h 20m1 stop
18:06 - 07:05BOS-SYD
22h 59m1 stop
$1,718Qantas Airways
Find Deal
Wed, 16 Jul - Wed, 23 Jul
09:10 - 07:00SYD-BOS
35h 50m1 stop
20:07 - 06:55BOS-SYD
44h 48m1 stop
$1,745American Airlines
Find Deal
Thu, 1 May - Sat, 17 May
09:10 - 23:34SYD-BOS
28h 24m2 stops
18:06 - 07:05BOS-SYD
22h 59m1 stop
$1,770Qantas Airways
Find Deal
Wed, 16 Jul - Wed, 23 Jul
09:10 - 09:16SYD-BOS
38h 06m2 stops
20:07 - 06:55BOS-SYD
44h 48m1 stop
$1,812American Airlines
Find Deal
Thu, 1 May - Sat, 17 May
09:30 - 23:21SYD-BOS
27h 51m2 stops
18:11 - 06:55BOS-SYD
22h 44m1 stop
$1,826United Airlines
Find Deal
Wed, 25 Jun - Mon, 28 Jul
09:30 - 23:55SYD-BOS
28h 25m2 stops
15:18 - 07:00BOS-SYD
25h 42m2 stops
$1,828United Airlines
Find Deal
Wed, 16 Jul - Wed, 23 Jul
10:10 - 23:00SYD-BOS
26h 50m1 stop
01:40 - 08:40BOS-SYD
41h 00m1 stop
$2,167Cathay Pacific
Find Deal
Wed, 25 Jun - Sun, 27 Jul
15:00 - 23:00SYD-BOS
70h 00m2 stops
01:40 - 08:40BOS-SYD
41h 00m1 stop
$2,326Cathay Pacific
Find Deal
Wed, 25 Jun - Sun, 27 Jul

American Airlines flights from Sydney to Boston

Our best American Airlines deals on Sydney to Boston flight tickets
American Airlines
1 May
SYD09:10Sydney Kingsford Smith
35h 50m
1 stop
BOS07:00Boston Logan Intl
17 May
BOS20:07Boston Logan Intl
44h 48m
1 stop
SYD06:55Sydney Kingsford Smith
American Airlines
1 May
SYD09:10Sydney Kingsford Smith
38h 06m
2 stops
BOS09:16Boston Logan Intl
17 May
BOS20:07Boston Logan Intl
44h 48m
1 stop
SYD06:55Sydney Kingsford Smith
American Airlines
19 July
SYD09:10Sydney Kingsford Smith
35h 55m
1 stop
BOS07:05Boston Logan Intl
6 Aug
BOS17:00Boston Logan Intl
23h 55m
2 stops
SYD06:55Sydney Kingsford Smith

Air Canada flights from Sydney to Boston

Our best Air Canada deals on Sydney to Boston flight tickets
Air Canada
22 May
SYD09:20Sydney Kingsford Smith
43h 12m
2 stops
BOS14:32Boston Logan Intl
29 May
BOS06:00Boston Logan Intl
35h 20m
2 stops
SYD07:20Sydney Kingsford Smith
Air Canada
29 July
SYD09:20Sydney Kingsford Smith
38h 35m
2 stops
BOS09:55Boston Logan Intl
14 Aug
BOS06:00Boston Logan Intl
35h 20m
2 stops
SYD07:20Sydney Kingsford Smith
Air Canada
22 May
SYD09:20Sydney Kingsford Smith
43h 12m
3 stops
BOS14:32Boston Logan Intl
29 May
BOS10:40Boston Logan Intl
30h 40m
2 stops
SYD07:20Sydney Kingsford Smith

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, 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 $1,914. The month of March is another great option to travel to Boston, with average flight prices from Sydney averaging around $1,915.

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

On average, the least expensive day to fly to Boston from Sydney is on a Sunday. momondo users have found tickets for Sunday departures for as low as $2,115. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $2,690. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boston.

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 afternoon. momondo users have found flights departing from Sydney to Boston in the afternoon for as low as $2,073. 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 morning is when there is more demand to fly to Boston, so prices are often more expensive at around $2,278 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 22 weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $2,235 when searching 22 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 $1,880 on momondo.

How have Sydney to Boston flight prices changed over time?

As of March 2025, prices for Sydney to Boston flights are approximately 1% 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 return 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

$853

Fastest flight time

21h 48m

Direct flights

None

Airports in Boston

1 airport
The best one-way flight to Boston from Sydney in the past 72 hours is $853. The best return flight deal from Sydney to Boston found on momondo in the last 72 hours is $1,618.
The fastest flight from Sydney to Boston takes 21h 48m
There are no direct flights from Sydney to Boston. Popular non-direct route for this connection is Sydney Kingsford Smith Airport - Boston Logan Intl Airport.
There is 1 airport near Boston: Boston Logan Intl (BOS)

  • How far is Sydney Kingsford Smith to Boston Logan Intl by plane?

    Sydney Kingsford Smith and Boston Logan Intl are 16229.2 km apart from one another. In terms of flight time, this usually takes a little over 21h 50m.

  • 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 were last updated today.

  • 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 required travel and health documents for your Boston Logan Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Boston Logan Intl Airport. We recommend that you seek guidance from your airline or a reliable 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
Hawaiian AirlinesPriceFrom $1,027Free cancellationRating
7.9
2,330 reviews
Search Hawaiian Airlines flights
Virgin AustraliaPriceFrom $1,479Free cancellationRating
7.5
395 reviews
Search Virgin Australia flights
American AirlinesPriceFrom $1,638Free cancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $1,680Free cancellationRating
8.0
7,888 reviews
Search Delta flights
Air CanadaPriceFrom $1,693Free cancellationRating
7.0
8,937 reviews
Search Air Canada flights
Air New ZealandPriceFrom $1,738Free cancellationRating
7.9
454 reviews
Search Air New Zealand flights
Qantas AirwaysPriceFrom $1,757Free cancellationRating
7.5
810 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $1,849Free cancellationRating
7.4
8,603 reviews
Search United Airlines flights
Japan AirlinesPriceFrom $1,874Free cancellationRating
8.3
1,440 reviews
Search Japan Airlines flights
Cathay PacificPriceFrom $2,221Free cancellationRating
7.5
833 reviews
Search Cathay Pacific flights

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Somerville
Cambridge
Westford
Waltham
Chelsea
Seekonk
Brookline

Why use momondo?

Why should I use momondo to find a flight deal from Sydney to Boston?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Boston from Sydney.

Can I find flights from Sydney to Boston with flexible booking policies on momondo?

Flights from Sydney to Boston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Sydney to Boston?

Once all potential Sydney to Boston flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Sydney to Boston right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Boston, momondo offers a useful price alert feature which will track prices for flights to Boston from Sydney and alert you when they change.


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