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Cheap flights from Boston to Australia from $762

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Australia departing on 15/11. 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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Cheap return flights

Qantas Airways Logo
08:15 - 09:30BOS-MEL
33h 15m1 stop
Qantas Airways Logo
06:45 - 16:44MEL-BOS
25h 59m2 stops
$1,433Qantas Airways
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Wed, 4 Feb - Wed, 25 Feb
Qantas Airways Logo
08:15 - 09:30BOS-MEL
33h 15m1 stop
Qantas Airways Logo
06:45 - 16:44MEL-BOS
25h 59m2 stops
$1,435Qantas Airways
Find Deal
Wed, 4 Feb - Wed, 25 Feb
Air Canada Logo
15:40 - 08:45BOS-BNE
26h 05m2 stops
Air Canada Logo
10:45 - 21:27BNE-BOS
25h 42m2 stops
$1,562Air Canada
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Sun, 2 Nov - Sun, 9 Nov
Air Canada Logo
15:40 - 08:45BOS-BNE
26h 05m2 stops
Air Canada Logo
10:45 - 21:27BNE-BOS
25h 42m2 stops
$1,582Air Canada
Find Deal
Mon, 16 Feb - Wed, 4 Mar
American Airlines Logo
08:00 - 05:00BOS-BNE
30h 00m1 stop
American Airlines Logo
19:40 - 06:44BNE-BOS
26h 04m1 stop
$1,585American Airlines
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Mon, 16 Feb - Wed, 4 Mar
American Airlines Logo
12:09 - 05:00BOS-BNE
25h 51m2 stops
American Airlines Logo
19:40 - 06:44BNE-BOS
26h 04m1 stop
$1,591American Airlines
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Mon, 16 Feb - Wed, 4 Mar
United Airlines Logo
14:21 - 07:30BOS-BNE
26h 09m2 stops
United Airlines Logo
11:40 - 17:06BNE-BOS
20h 26m1 stop
$1,620United Airlines
Find Deal
Mon, 3 Nov - Mon, 10 Nov
United Airlines Logo
06:00 - 07:30BOS-BNE
34h 30m2 stops
United Airlines Logo
11:40 - 22:48BNE-BOS
26h 08m2 stops
$1,626United Airlines
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Sat, 13 Dec - Fri, 26 Dec
Delta Logo
13:45 - 08:20BOS-BNE
27h 35m1 stop
Delta Logo
10:40 - 23:58BNE-BOS
52h 18m2 stops
$1,651Delta
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Mon, 15 Dec - Sun, 28 Dec
Delta Logo
07:00 - 08:00BOS-MEL
33h 00m1 stop
Delta Logo
10:10 - 16:30MEL-BOS
22h 20m1 stop
$1,807Delta
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Wed, 4 Feb - Wed, 25 Feb

Air New Zealand flights from Boston to Australia

Our best Air New Zealand deals on Boston to Australia flight tickets
Air New Zealand
18 Oct
BOS07:30Boston Logan Intl
34h 15m
2 stops
SYD08:45Sydney Kingsford Smith
31 Oct
SYD09:55Sydney Kingsford Smith
36h 25m
2 stops
BOS07:20Boston Logan Intl
$1,979
Find similar
Air New Zealand
18 Oct
BOS07:30Boston Logan Intl
34h 15m
2 stops
SYD08:45Sydney Kingsford Smith
31 Oct
SYD09:55Sydney Kingsford Smith
36h 25m
2 stops
BOS07:20Boston Logan Intl
$1,982
Find similar
Air New Zealand
29 Oct
BOS08:30Boston Logan Intl
33h 15m
2 stops
SYD08:45Sydney Kingsford Smith
8 Nov
SYD09:55Sydney Kingsford Smith
27h 43m
2 stops
BOS21:38Boston Logan Intl
$1,988
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Alaska Airlines flights from Boston to Australia

Our best Alaska Airlines deals on Boston to Australia flight tickets
Alaska Airlines
12 Jan
BOS16:50Boston Logan Intl
34h 55m
3 stops
SYD19:45Sydney Kingsford Smith
25 Jan
SYD21:40Sydney Kingsford Smith
35h 06m
2 stops
BOS16:46Boston Logan Intl
$1,794
Find similar
Alaska Airlines
12 Jan
BOS17:55Boston Logan Intl
33h 50m
2 stops
SYD19:45Sydney Kingsford Smith
25 Jan
SYD21:40Sydney Kingsford Smith
34h 07m
1 stop
BOS15:47Boston Logan Intl
$1,815
Find similar
Alaska Airlines
6 Nov
BOS18:23Boston Logan Intl
33h 22m
2 stops
SYD19:45Sydney Kingsford Smith
16 Nov
SYD21:40Sydney Kingsford Smith
35h 43m
2 stops
BOS17:23Boston Logan Intl
$1,829
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momondo Fare Finder

 
Customise your flight search to find flights from Boston to Australia 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 78,305 searches. Data last updated 20 September 2025.
Use the filters below to find and compare flights from Boston to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Wed 4/2

08:15-09:30

1 stop33h 15m

Melbourne

Wed 25/2

06:45-16:44

2 stops25h 59m

$1,433

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Wed 4/2

08:15-09:30

1 stop33h 15m

Melbourne

Wed 25/2

06:45-16:44

2 stops25h 59m

$1,435

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Sun 2/11

15:40-08:45

2 stops26h 05m

Brisbane

Sun 9/11

10:45-21:27

2 stops25h 42m

$1,562

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Mon 16/2

15:40-08:45

2 stops26h 05m

Brisbane

Wed 4/3

10:45-21:27

2 stops25h 42m

$1,582

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Mon 16/2

08:00-05:00

1 stop30h 00m

Brisbane

Wed 4/3

19:40-06:44

1 stop26h 04m

$1,585

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Mon 16/2

12:09-05:00

2 stops25h 51m

Brisbane

Wed 4/3

19:40-06:44

1 stop26h 04m

$1,591

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Mon 3/11

14:21-07:30

2 stops26h 09m

Brisbane

Mon 10/11

11:40-17:06

1 stop20h 26m

$1,620

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Sat 13/12

06:00-07:30

2 stops34h 30m

Brisbane

Fri 26/12

11:40-22:48

2 stops26h 08m

$1,626

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Mon 15/12

13:45-08:20

1 stop27h 35m

Brisbane

Sun 28/12

10:40-23:58

2 stops52h 18m

$1,651

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Wed 4/2

07:00-08:00

1 stop33h 00m

Melbourne

Wed 25/2

10:10-16:30

1 stop22h 20m

$1,807

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Australia from

How to get the cheapest flight ticket from Boston to Australia

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 Australia?

In general, September is the cheapest month to fly from Boston to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,882. If you don’t want to visit Australia in September, then you should wait until March to fly from Boston, when ticket prices are also cheap, with an average price of $1,889.

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

On average, the least expensive day to fly to Australia from Boston is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $2,043. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Boston to Australia on a Friday will generally be more expensive and average around $2,443. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Australia?

According to our data, the cheapest time of day to fly to Australia is in the evening. momondo users have found flights departing from Boston to Australia in the evening for as low as $2,042. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Australia are more costly in the morning, with an average ticket price of $2,963. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Australia?

You are more likely to see cheaper flights to Australia from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $2,161 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Boston for as low as $1,924 on momondo.

Can stopping save me money on Boston to Australia flights?

You could potentially save up to 31% on your flight if you consider stops on a Boston to Australia flight.

Cheap Boston to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Australia

Direct flights

None
There are no direct flights from Boston to Australia. There are no popular flight routes from Boston to Australia.
Search flight deals

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Australia?

    Prices for flights from Boston Logan Intl Airport to Australia were last updated today.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Australia?

  • How old do you have to be to fly from Boston Logan Intl Airport to Australia?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Australia.

  • What documentation or ID do you need to fly to Australia?

    The required travel and health documents for your Australia 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 Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Boston to Australia

Compare and see reviews for airlines that fly from Boston to Australia with momondo
Airline
Rating
Free cancellation
Price
Air CanadaPriceFrom $1,155Free cancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,235Free cancellationRating
7.4
8,926 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $2,075Free cancellationRating
7.5
907 reviews
Search Qantas Airways flights

Why use momondo?

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

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 Australia from Boston.

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

Flights from Boston to Australia 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 Boston to Australia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Australia from Boston.

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

Of course. momondo tracks the price of Boston to Australia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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