What is the cheapest airline that flies from Boston Logan Intl to Australia?

Qantas Airways, American Airlines, and Delta are the most popular carriers operating from Boston Logan Intl to Australia

What airlines fly to Australia?

United Airlines, Qantas Airways and American Airlines are the top three most popular airlines that fly to Australia from Boston according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 9 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

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?

There are 9 operators available for flights from Boston Logan Intl Airport to Australia as of July 2026.

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.

$588 Cheap Flights from Boston to Australia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Australia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:45 pm - 6:45 am

BOS

MEL

44h 00m

1 stop

10:45 pm - 6:18 am

MEL

BOS

23h 33m

1 stop

$1,136Qantas Airways

Wed, Oct 21 - Wed, Nov 4

11:00 am - 6:45 am

BOS

MEL

28h 45m

1 stop

10:45 pm - 6:18 am

MEL

BOS

23h 33m

1 stop

$1,150Qantas Airways

Wed, Oct 21 - Wed, Nov 4

3:59 pm - 7:05 am

BOS

SYD

25h 06m

2 stops

9:10 am - 7:36 am

SYD

BOS

36h 26m

1 stop

$1,173American Airlines

Sun, Aug 16 - Sun, Aug 23

5:33 pm - 7:30 am

BOS

SYD

23h 57m

1 stop

12:00 pm - 7:42 pm

SYD

BOS

21h 42m

1 stop

$1,174American Airlines

Wed, Jul 29 - Wed, Aug 5

4:15 pm - 6:55 am

BOS

SYD

24h 40m

1 stop

10:20 am - 9:21 pm

SYD

BOS

25h 01m

1 stop

$1,179United Airlines

Wed, Jul 29 - Wed, Aug 5

6:27 pm - 7:00 am

BOS

SYD

22h 33m

1 stop

9:30 am - 5:21 pm

SYD

BOS

21h 51m

1 stop

$1,180United Airlines

Mon, Jul 27 - Mon, Aug 10

10:00 pm - 3:00 pm

BOS

ADL

27h 30m

1 stop

10:00 pm - 3:15 pm

ADL

BOS

30h 45m

1 stop

$1,237Qatar Airways

Sun, Aug 23 - Tue, Sep 8

8:15 pm - 8:20 am

BOS

BNE

45h 05m

2 stops

10:40 am - 6:33 am

BNE

BOS

34h 53m

2 stops

$1,245Delta

Tue, Dec 1 - Sun, Dec 13

8:15 pm - 8:20 am

BOS

BNE

45h 05m

2 stops

10:40 am - 6:33 am

BNE

BOS

34h 53m

2 stops

$1,246Delta

Tue, Dec 1 - Sun, Dec 13

10:00 pm - 3:00 pm

BOS

ADL

27h 30m

1 stop

10:00 pm - 3:15 pm

ADL

BOS

30h 45m

1 stop

$1,251Qatar Airways

Sun, Aug 16 - Sun, Sep 6

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United Airlines flights from Boston to Australia

Our best United Airlines deals on Boston to Australia flight tickets

United Airlines

Jul 29

BOS4:15 pmBoston Logan Intl

24h 40m

1 stop

SYD6:55 amSydney Kingsford Smith

Aug 5

SYD10:20 amSydney Kingsford Smith

25h 01m

1 stop

BOS9:21 pmBoston Logan Intl

$1,179

United Airlines

Jul 27

BOS6:27 pmBoston Logan Intl

22h 33m

1 stop

SYD7:00 amSydney Kingsford Smith

Aug 10

SYD9:30 amSydney Kingsford Smith

21h 51m

1 stop

BOS5:21 pmBoston Logan Intl

$1,180

United Airlines

Jul 29

BOS6:26 pmBoston Logan Intl

22h 34m

1 stop

SYD7:00 amSydney Kingsford Smith

Aug 5

SYD10:20 amSydney Kingsford Smith

20h 44m

1 stop

BOS5:04 pmBoston Logan Intl

$1,182

Delta flights from Boston to Australia

Our best Delta deals on Boston to Australia flight tickets

Delta

Aug 19

BOS1:55 pmBoston Logan Intl

26h 55m

2 stops

SYD6:50 amSydney Kingsford Smith

Aug 26

SYD9:15 amSydney Kingsford Smith

24h 10m

1 stop

BOS7:25 pmBoston Logan Intl

$1,190

Delta

Aug 9

BOS8:55 amBoston Logan Intl

31h 55m

2 stops

SYD6:50 amSydney Kingsford Smith

Aug 18

SYD9:15 amSydney Kingsford Smith

26h 14m

2 stops

BOS9:29 pmBoston Logan Intl

$1,191

Delta

Aug 9

BOS10:50 amBoston Logan Intl

30h 00m

1 stop

SYD6:50 amSydney Kingsford Smith

Aug 23

SYD9:15 amSydney Kingsford Smith

34h 15m

1 stop

BOS5:30 amBoston Logan Intl

$1,196

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Wed 10/21

7:45 pm-6:45 am

1 stop44h 00m

Melbourne

Wed 11/4

10:45 pm-6:18 am

1 stop23h 33m

$1,136

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Wed 10/21

11:00 am-6:45 am

1 stop28h 45m

Melbourne

Wed 11/4

10:45 pm-6:18 am

1 stop23h 33m

$1,150

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sun 8/16

3:59 pm-7:05 am

2 stops25h 06m

Sydney Kingsford Smith

Sun 8/23

9:10 am-7:36 am

1 stop36h 26m

$1,173

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Wed 7/29

5:33 pm-7:30 am

1 stop23h 57m

Sydney Kingsford Smith

Wed 8/5

12:00 pm-7:42 pm

1 stop21h 42m

$1,174

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Wed 7/29

4:15 pm-6:55 am

1 stop24h 40m

Sydney Kingsford Smith

Wed 8/5

10:20 am-9:21 pm

1 stop25h 01m

$1,179

Quickest round-trip

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Mon 7/27

6:27 pm-7:00 am

1 stop22h 33m

Sydney Kingsford Smith

Mon 8/10

9:30 am-5:21 pm

1 stop21h 51m

$1,180

BostonAdelaide

BOS - ADL

BOSADL

Boston Logan Intl

Sun 8/23

10:00 pm-3:00 pm

1 stop27h 30m

Adelaide

Tue 9/8

10:00 pm-3:15 pm

1 stop30h 45m

$1,237

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Tue 12/1

8:15 pm-8:20 am

2 stops45h 05m

Brisbane

Sun 12/13

10:40 am-6:33 am

2 stops34h 53m

$1,245

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Tue 12/1

8:15 pm-8:20 am

2 stops45h 05m

Brisbane

Sun 12/13

10:40 am-6:33 am

2 stops34h 53m

$1,246

BostonAdelaide

BOS - ADL

BOSADL

Boston Logan Intl

Sun 8/16

10:00 pm-3:00 pm

1 stop27h 30m

Adelaide

Sun 9/6

10:00 pm-3:15 pm

1 stop30h 45m

$1,251

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Australia?

The month of February is, on average, the cheapest month to fly to Australia from Boston, with most prices found around $179. If you aren’t able to travel during the month of February, then book flights to Australia from Boston during January instead. Flights to Australia in January, while not as cheap as those in February, still average around $180.

How far in advance should I book a flight from Boston 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 $1,464 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 $1,414 on momondo.

Can stopping save me money on Boston to Australia flights?

You could potentially save up to 8% 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

Fastest flight time	22h 30m
Direct flights	None

The fastest flight from Boston to Australia takes 22h 30m

There are no direct flights from Boston to Australia. There are no popular flight routes from Boston to Australia.

Search flight deals

Frequently asked questions about flying 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?
There are 9 operators available for flights from Boston Logan Intl Airport to Australia as of July 2026.
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
Delta	PriceFrom $318	Free Cancellation	Rating 7.8 8,451 reviews	Search Delta flights
Fiji Airways	PriceFrom $703	Free Cancellation	Rating 8.1 246 reviews	Search Fiji Airways flights
United Airlines	PriceFrom $868	Free Cancellation	Rating 7.4 9,945 reviews	Search United Airlines flights
Air Canada	PriceFrom $907	Free Cancellation	Rating 7.1 11,310 reviews	Search Air Canada flights
Qatar Airways	PriceFrom $972	Free Cancellation	Rating 7.3 3,743 reviews	Search Qatar Airways flights
American Airlines	PriceFrom $991	Free Cancellation	Rating 7.1 11,782 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $1,021	Free Cancellation	Rating 7.5 1,057 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $1,084	Free Cancellation	Rating 8.0 649 reviews	Search Air New Zealand flights
Emirates	PriceFrom $1,543	Free Cancellation	Rating 8.1 3,607 reviews	Search Emirates 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.