Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Sydney to Boston from $889

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 18/7. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

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.
 Logo
13:15 - 07:03SYD-BOS
31h 48m3 stops
 Logo
16:30 - 06:10BOS-SYD
47h 40m1 stop
$2,027
Find Deal
Thu, 8 May - Sun, 11 May
 Logo
13:15 - 07:03SYD-BOS
31h 48m3 stops
 Logo
11:39 - 11:45BOS-SYD
34h 06m3 stops
$2,128
Find Deal
Thu, 8 May - Sun, 11 May
Air Canada Logo
09:20 - 14:35SYD-BOS
43h 15m2 stops
Air Canada Logo
05:50 - 07:20BOS-SYD
59h 30m2 stops
$2,189Air Canada
Find Deal
Tue, 15 Jul - Sun, 17 Aug
Air Canada Logo
10:20 - 09:35SYD-BOS
38h 15m2 stops
Air Canada Logo
19:00 - 08:20BOS-SYD
46h 20m2 stops
$2,198Air Canada
Find Deal
Mon, 13 Oct - Sun, 19 Oct
United Airlines Logo
09:30 - 19:18SYD-BOS
23h 48m2 stops
United Airlines Logo
15:18 - 07:00BOS-SYD
25h 42m2 stops
$2,238United Airlines
Find Deal
Thu, 17 Jul - Mon, 4 Aug
United Airlines Logo
09:30 - 18:56SYD-BOS
23h 26m2 stops
United Airlines Logo
16:27 - 07:00BOS-SYD
24h 33m2 stops
$2,239United Airlines
Find Deal
Tue, 29 Jul - Sun, 17 Aug
Qantas Airways Logo
09:10 - 17:15SYD-BOS
22h 05m1 stop
Qantas Airways Logo
17:33 - 07:05BOS-SYD
23h 32m1 stop
$2,303Qantas Airways
Find Deal
Fri, 18 Jul - Mon, 25 Aug
Qantas Airways Logo
09:10 - 17:15SYD-BOS
22h 05m1 stop
Qantas Airways Logo
08:20 - 07:05BOS-SYD
32h 45m1 stop
$2,374Qantas Airways
Find Deal
Fri, 1 Aug - Sat, 16 Aug
American Airlines Logo
10:25 - 20:28SYD-BOS
24h 03m2 stops
American Airlines Logo
16:15 - 07:05BOS-SYD
24h 50m2 stops
$2,379American Airlines
Find Deal
Wed, 25 Jun - Mon, 28 Jul
American Airlines Logo
09:10 - 10:14SYD-BOS
39h 04m2 stops
American Airlines Logo
12:26 - 07:05BOS-SYD
28h 39m2 stops
$2,440American Airlines
Find Deal
Fri, 4 Jul - Tue, 5 Aug

Cathay Pacific flights from Sydney to Boston

Our best Cathay Pacific deals on Sydney to Boston flight tickets
Cathay Pacific
25 June
SYD07:40Sydney Kingsford Smith
29h 20m
1 stop
BOS23:00Boston Logan Intl
27 July
BOS01:40Boston Logan Intl
43h 10m
1 stop
SYD10:50Sydney Kingsford Smith
Cathay Pacific
25 June
SYD10:10Sydney Kingsford Smith
26h 50m
1 stop
BOS23:00Boston Logan Intl
27 July
BOS01:40Boston Logan Intl
43h 10m
1 stop
SYD10:50Sydney Kingsford Smith
Cathay Pacific
17 July
SYD14:05Sydney Kingsford Smith
46h 55m
1 stop
BOS23:00Boston Logan Intl
3 Aug
BOS01:40Boston Logan Intl
43h 10m
1 stop
SYD10:50Sydney Kingsford Smith

Air Canada flights from Sydney to Boston

Our best Air Canada deals on Sydney to Boston flight tickets
Air Canada
15 July
SYD09:20Sydney Kingsford Smith
43h 15m
2 stops
BOS14:35Boston Logan Intl
17 Aug
BOS05:50Boston Logan Intl
59h 30m
2 stops
SYD07:20Sydney Kingsford Smith
Air Canada
13 Oct
SYD10:20Sydney Kingsford Smith
38h 15m
2 stops
BOS09:35Boston Logan Intl
19 Oct
BOS19:00Boston Logan Intl
46h 20m
2 stops
SYD08:20Sydney Kingsford Smith
Air Canada
15 July
SYD09:20Sydney Kingsford Smith
46h 40m
2 stops
BOS18:00Boston Logan Intl
13 Aug
BOS10:20Boston Logan Intl
55h 00m
3 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 typical price of a round-trip flight between Sydney and Boston?

What is the cheapest month to fly to Boston?

In general, March 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 $1,861. The month of February is another great option to travel to Boston, with average flight prices from Sydney averaging around $1,886.

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 $2,085. 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 $2,652. 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 $2,044. 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 $2,246 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 15 weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $2,190 when searching 15 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 $1,908 on momondo.

How have Sydney to Boston flight prices changed over time?

As of April 2025, prices for Sydney to Boston flights are approximately 1% more expensive 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

$889

Fastest flight time

20h 45m

Direct flights

None

Airports in Boston

1 airport
The best one-way flight to Boston from Sydney in the past 72 hours is $889. The best return flight deal from Sydney to Boston found on momondo in the last 72 hours is $2,027.
The fastest flight from Sydney to Boston takes 20h 45m
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 20h 45m.

  • 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 $1,013Free cancellationRating
7.9
2,387 reviews
Search Hawaiian Airlines flights
Virgin AustraliaPriceFrom $1,458Free cancellationRating
7.5
398 reviews
Search Virgin Australia flights
Air New ZealandPriceFrom $1,550Free cancellationRating
8.0
467 reviews
Search Air New Zealand flights
American AirlinesPriceFrom $1,615Free cancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air CanadaPriceFrom $1,643Free cancellationRating
7.0
9,153 reviews
Search Air Canada flights
DeltaPriceFrom $1,656Free cancellationRating
8.0
7,917 reviews
Search Delta flights
Qantas AirwaysPriceFrom $1,738Free cancellationRating
7.5
820 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $1,825Free cancellationRating
7.4
8,667 reviews
Search United Airlines flights
Japan AirlinesPriceFrom $1,847Free cancellationRating
8.3
1,447 reviews
Search Japan Airlines flights
Cathay PacificPriceFrom $2,125Free cancellationRating
7.5
849 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.


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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Wed 23/4
Wed 30/4

Find better results for your trip to the United States

Airports servicing Massachusetts