Cheap flights from Boston to Australia from $445

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 11/19. 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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Delta Logo
9:15 pm - 8:20 amBOS-BNE
44h 05m2 stops
Delta Logo
10:40 am - 12:24 amBNE-BOS
28h 44m2 stops
$871Delta
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Sun, Dec 7 - Sun, Dec 21
Air Canada Logo
3:40 pm - 8:45 amBOS-BNE
26h 05m2 stops
Air Canada Logo
10:45 am - 9:32 amBNE-BOS
37h 47m2 stops
$935Air Canada
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Mon, Jan 19 - Sun, Jan 25
Qantas Airways Logo
4:45 pm - 9:30 amBOS-MEL
24h 45m1 stop
Qantas Airways Logo
6:45 am - 6:47 pmMEL-BOS
28h 02m2 stops
$984Qantas Airways
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Thu, Feb 26 - Tue, Mar 3
Qantas Airways Logo
11:00 am - 9:30 amBOS-MEL
30h 30m1 stop
Qantas Airways Logo
6:45 am - 6:47 pmMEL-BOS
28h 02m2 stops
$1,043Qantas Airways
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Wed, Feb 4 - Wed, Feb 25
American Airlines Logo
8:00 am - 9:30 amBOS-MEL
33h 30m1 stop
American Airlines Logo
4:05 pm - 11:43 pmMEL-BOS
23h 38m1 stop
$1,160American Airlines
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Sun, Feb 8 - Mon, Feb 16
American Airlines Logo
8:05 am - 5:00 amBOS-MEL
28h 55m1 stop
American Airlines Logo
4:05 pm - 11:30 pmMEL-BOS
23h 25m1 stop
$1,161American Airlines
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Tue, Jan 27 - Wed, Feb 11
United Airlines Logo
2:20 pm - 9:30 amBOS-MEL
27h 10m2 stops
United Airlines Logo
1:00 pm - 7:56 pmMEL-BOS
22h 56m1 stop
$1,175United Airlines
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Tue, Feb 3 - Mon, Mar 2
United Airlines Logo
1:50 pm - 10:00 amBOS-MEL
28h 10m1 stop
United Airlines Logo
1:00 pm - 9:44 pmMEL-BOS
24h 44m1 stop
$1,184United Airlines
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Thu, Feb 12 - Sun, Feb 22
Qatar Airways Logo
9:40 pm - 11:20 pmBOS-MEL
34h 40m1 stop
Qatar Airways Logo
4:10 pm - 3:05 pmMEL-BOS
37h 55m1 stop
$1,335Qatar Airways
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Mon, Mar 9 - Thu, Apr 2
Qatar Airways Logo
9:40 pm - 11:20 pmBOS-MEL
34h 40m1 stop
Qatar Airways Logo
4:10 pm - 3:05 pmMEL-BOS
37h 55m1 stop
$1,336Qatar Airways
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Mon, Mar 9 - Thu, Apr 2

Fiji Airways flights from Boston to Australia

Our best Fiji Airways deals on Boston to Australia flight tickets
Fiji Airways
Feb 28
BOS4:42 pmBoston Logan Intl
37h 23m
2 stops
SYD10:05 pmSydney Kingsford Smith
Mar 17
SYD2:00 pmSydney Kingsford Smith
24h 05m
2 stops
BOS11:05 pmBoston Logan Intl
Fiji Airways
Feb 28
BOS4:42 pmBoston Logan Intl
37h 23m
2 stops
SYD10:05 pmSydney Kingsford Smith
Mar 7
SYD6:00 amSydney Kingsford Smith
31h 26m
2 stops
BOS9:26 pmBoston Logan Intl
Fiji Airways
Mar 24
BOS6:12 pmBoston Logan Intl
27h 23m
2 stops
SYD12:35 pmSydney Kingsford Smith
Apr 7
SYD6:00 amSydney Kingsford Smith
31h 12m
2 stops
BOS11:12 pmBoston Logan Intl

Alaska Airlines flights from Boston to Australia

Our best Alaska Airlines deals on Boston to Australia flight tickets
Alaska Airlines
Jan 6
BOS7:23 pmBoston Logan Intl
32h 22m
2 stops
SYD7:45 pmSydney Kingsford Smith
Jan 22
SYD9:40 pmSydney Kingsford Smith
33h 40m
3 stops
BOS3:20 pmBoston Logan Intl
Alaska Airlines
Nov 16
BOS6:59 pmBoston Logan Intl
32h 46m
2 stops
SYD7:45 pmSydney Kingsford Smith
Jan 16
SYD9:40 pmSydney Kingsford Smith
34h 40m
3 stops
BOS4:20 pmBoston Logan Intl
Alaska Airlines
Nov 12
BOS6:59 pmBoston Logan Intl
32h 46m
2 stops
SYD7:45 pmSydney Kingsford Smith
Nov 15
SYD9:40 pmSydney Kingsford Smith
34h 01m
2 stops
BOS3:41 pmBoston Logan Intl

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated November 6, 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

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Sun 12/7

9:15 pm-8:20 am

2 stops44h 05m

Brisbane

Sun 12/21

10:40 am-12:24 am

2 stops28h 44m

$871

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Mon 1/19

3:40 pm-8:45 am

2 stops26h 05m

Brisbane

Sun 1/25

10:45 am-9:32 am

2 stops37h 47m

$935

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Thu 2/26

4:45 pm-9:30 am

1 stop24h 45m

Melbourne

Tue 3/3

6:45 am-6:47 pm

2 stops28h 02m

$984

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Wed 2/4

11:00 am-9:30 am

1 stop30h 30m

Melbourne

Wed 2/25

6:45 am-6:47 pm

2 stops28h 02m

$1,043

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Sun 2/8

8:00 am-9:30 am

1 stop33h 30m

Melbourne

Mon 2/16

4:05 pm-11:43 pm

1 stop23h 38m

$1,160

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Tue 1/27

8:05 am-5:00 am

1 stop28h 55m

Melbourne

Wed 2/11

4:05 pm-11:30 pm

1 stop23h 25m

$1,161

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Tue 2/3

2:20 pm-9:30 am

2 stops27h 10m

Melbourne

Mon 3/2

1:00 pm-7:56 pm

1 stop22h 56m

$1,175

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Thu 2/12

1:50 pm-10:00 am

1 stop28h 10m

Melbourne

Sun 2/22

1:00 pm-9:44 pm

1 stop24h 44m

$1,184

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Mon 3/9

9:40 pm-11:20 pm

1 stop34h 40m

Melbourne

Thu 4/2

4:10 pm-3:05 pm

1 stop37h 55m

$1,335

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Mon 3/9

9:40 pm-11:20 pm

1 stop34h 40m

Melbourne

Thu 4/2

4:10 pm-3:05 pm

1 stop37h 55m

$1,336

Flights are sorted by cheapest round-trip flights 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?

The month of March is, on average, the cheapest month to fly to Australia from Boston, with most prices found around $1,237. If you aren’t able to travel during the month of March, then book flights to Australia from Boston during September instead. Flights to Australia in September, while not as cheap as those in March, still average around $1,237.

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

The cheapest day to depart from Boston to Australia is on a Wednesday. Travelers who choose to depart for Australia on a Wednesday will often find tickets for as low as $1,444. On the other hand, Saturday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,562.

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

Flying to Australia from Boston in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,438 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,494 on average. Flights to Australia from Boston in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $1,425 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Boston for as low as $1,282 on momondo.

Can stopping save me money on Boston to Australia flights?

You could potentially save up to 2% 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.
  • 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 are refreshed on a daily basis.

  • 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 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 Boston Logan Intl Airport to Australia.

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

    The travel and health documents required for your trip to Australia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Australia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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
JetBluePriceFrom $248Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
DeltaPriceFrom $400Free CancellationRating
7.9
8,001 reviews
Search Delta flights
Air CanadaPriceFrom $735Free CancellationRating
7.1
10,415 reviews
Search Air Canada flights
Fiji AirwaysPriceFrom $740Free CancellationRating
8.1
209 reviews
Search Fiji Airways flights
United AirlinesPriceFrom $774Free CancellationRating
7.4
9,004 reviews
Search United Airlines flights
Air New ZealandPriceFrom $862Free CancellationRating
8.0
526 reviews
Search Air New Zealand flights
American AirlinesPriceFrom $916Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $1,022Free CancellationRating
7.5
929 reviews
Search Qantas Airways flights
Cathay PacificPriceFrom $1,251Free CancellationRating
7.6
1,055 reviews
Search Cathay Pacific flights
Qatar AirwaysPriceFrom $1,272Free CancellationRating
7.4
3,661 reviews
Search Qatar 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?

Yes. momondo allows you to filter the results for Boston to Australia flights to just show those with flexible booking policies.

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

Once all potential Boston to Australia 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 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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1 adult
Sat 12/6
Sat 12/13

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