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Cheap flights from Sydney to Boston from $904

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 27/7. 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

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Cheap return flights

Logo
16:20 - 05:36SYD-BOS
27h 16m2 stops
Logo
08:00 - 14:40BOS-SYD
40h 40m1 stop
$1,602
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Sun, 3 Aug - Tue, 19 Aug
Logo
16:20 - 05:36SYD-BOS
27h 16m2 stops
Logo
08:00 - 14:40BOS-SYD
40h 40m1 stop
$1,609
Find Deal
Sun, 3 Aug - Tue, 19 Aug
Air New Zealand Logo
09:55 - 23:44SYD-BOS
27h 49m2 stops
Air New Zealand Logo
17:31 - 10:35BOS-SYD
27h 04m2 stops
$1,699Air New Zealand
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Sun, 3 Aug - Tue, 26 Aug
Air New Zealand Logo
11:50 - 21:38SYD-BOS
24h 48m2 stops
Air New Zealand Logo
11:00 - 10:30BOS-SYD
32h 30m2 stops
$1,707Air New Zealand
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Fri, 17 Oct - Fri, 31 Oct
American Airlines Logo
09:10 - 18:34SYD-BOS
23h 24m2 stops
American Airlines Logo
08:00 - 07:05BOS-SYD
33h 05m1 stop
$1,755American Airlines
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Mon, 15 Sep - Mon, 29 Sep
American Airlines Logo
09:10 - 06:47SYD-BOS
35h 37m1 stop
American Airlines Logo
18:13 - 06:55BOS-SYD
22h 42m1 stop
$1,760American Airlines
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Mon, 15 Sep - Mon, 29 Sep
United Airlines Logo
09:30 - 19:29SYD-BOS
23h 59m2 stops
United Airlines Logo
18:25 - 07:00BOS-SYD
22h 35m1 stop
$1,799United Airlines
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Sat, 2 Aug - Fri, 15 Aug
United Airlines Logo
09:30 - 18:56SYD-BOS
23h 26m2 stops
United Airlines Logo
11:00 - 07:00BOS-SYD
30h 00m2 stops
$1,805United Airlines
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Sat, 2 Aug - Tue, 19 Aug
Air Canada Logo
09:20 - 18:00SYD-BOS
46h 40m2 stops
Air Canada Logo
18:20 - 07:20BOS-SYD
47h 00m2 stops
$1,822Air Canada
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Sun, 3 Aug - Mon, 18 Aug
Air Canada Logo
09:20 - 09:30SYD-BOS
38h 10m2 stops
Air Canada Logo
18:20 - 07:20BOS-SYD
47h 00m2 stops
$1,828Air Canada
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Fri, 1 Aug - Mon, 18 Aug

Air New Zealand flights from Sydney to Boston

Our best Air New Zealand deals on Sydney to Boston flight tickets
Air New Zealand
3 Aug
SYD09:55Sydney Kingsford Smith
27h 49m
2 stops
BOS23:44Boston Logan Intl
26 Aug
BOS17:31Boston Logan Intl
27h 04m
2 stops
SYD10:35Sydney Kingsford Smith
$1,699
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Air New Zealand
17 Oct
SYD11:50Sydney Kingsford Smith
24h 48m
2 stops
BOS21:38Boston Logan Intl
31 Oct
BOS11:00Boston Logan Intl
32h 30m
2 stops
SYD10:30Sydney Kingsford Smith
$1,707
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Air New Zealand
7 Nov
SYD09:55Sydney Kingsford Smith
27h 43m
2 stops
BOS21:38Boston Logan Intl
22 Nov
BOS08:30Boston Logan Intl
32h 15m
2 stops
SYD08:45Sydney Kingsford Smith
$1,708
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American Airlines flights from Sydney to Boston

Our best American Airlines deals on Sydney to Boston flight tickets
American Airlines
15 Sept
SYD09:10Sydney Kingsford Smith
23h 24m
2 stops
BOS18:34Boston Logan Intl
29 Sept
BOS08:00Boston Logan Intl
33h 05m
1 stop
SYD07:05Sydney Kingsford Smith
$1,755
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American Airlines
15 Sept
SYD09:10Sydney Kingsford Smith
35h 37m
1 stop
BOS06:47Boston Logan Intl
29 Sept
BOS18:13Boston Logan Intl
22h 42m
1 stop
SYD06:55Sydney Kingsford Smith
$1,760
Find similar
American Airlines
4 Aug
SYD09:10Sydney Kingsford Smith
22h 05m
1 stop
BOS17:15Boston Logan Intl
17 Aug
BOS08:01Boston Logan Intl
33h 04m
1 stop
SYD07:05Sydney Kingsford Smith
$1,761
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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, 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 $1,828. The month of March is another great option to travel to Boston, with average flight prices from Sydney averaging around $1,828.

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 $2,020. 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 $2,570. 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 $1,981. 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 $2,176 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 $2,099 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Sydney for as low as $1,801 on momondo.

How have Sydney to Boston flight prices changed over time?

As of July 2025, prices for Sydney to Boston flights are approximately 28% 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

$904

Fastest flight time

21h 55m

Direct flights

None

Airports in Boston

1 airport
The best one-way flight to Boston from Sydney in the past 72 hours is $904. The best return flight deal from Sydney to Boston found on momondo in the last 72 hours is $1,602.
The fastest flight from Sydney to Boston takes 21h 55m
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)
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  • 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 22h 05m.

  • 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 $979Free cancellationRating
7.8
2,564 reviews
Search Hawaiian Airlines flights
Virgin AustraliaPriceFrom $1,317Free cancellationRating
7.5
408 reviews
Search Virgin Australia flights
United AirlinesPriceFrom $1,367Free cancellationRating
7.4
8,848 reviews
Search United Airlines flights
Air New ZealandPriceFrom $1,502Free cancellationRating
8.0
494 reviews
Search Air New Zealand flights
Air CanadaPriceFrom $1,562Free cancellationRating
7.1
9,702 reviews
Search Air Canada flights
American AirlinesPriceFrom $1,565Free cancellationRating
7.2
10,000 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $1,676Free cancellationRating
7.5
876 reviews
Search Qantas Airways flights
Japan AirlinesPriceFrom $1,790Free cancellationRating
8.3
1,512 reviews
Search Japan Airlines flights
Cathay PacificPriceFrom $1,887Free cancellationRating
7.6
932 reviews
Search Cathay Pacific flights

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Westford
Old Orchard Beach
Salem
Waltham
Chelsea
Seekonk
Sturbridge

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.

An easier way to manage your Boston trip

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