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

United Airlines, American Airlines, and Qantas Airways 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 August 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.

$607 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.

10:30 am - 6:45 am

BOS

MEL

30h 15m

1 stop

9:45 am - 11:44 pm

MEL

BOS

27h 59m

1 stop

$1,176Qantas Airways

Sat, Aug 29 - Sat, Sep 5

10:30 am - 7:05 am

BOS

SYD

30h 35m

1 stop

12:00 pm - 10:06 pm

SYD

BOS

24h 06m

1 stop

$1,184American Airlines

Wed, Aug 19 - Wed, Aug 26

10:30 am - 7:05 am

BOS

SYD

30h 35m

1 stop

9:10 am - 11:44 pm

SYD

BOS

28h 34m

1 stop

$1,185Qantas Airways

Sun, Aug 23 - Sun, Aug 30

11:50 am - 7:00 am

BOS

SYD

29h 10m

1 stop

9:30 am - 9:29 pm

SYD

BOS

25h 59m

1 stop

$1,187United Airlines

Sun, Aug 16 - Sun, Aug 23

5:45 am - 7:00 am

BOS

SYD

35h 15m

2 stops

9:30 am - 9:59 pm

SYD

BOS

26h 29m

2 stops

$1,187United Airlines

Sun, Aug 16 - Sun, Aug 23

3:20 pm - 7:05 am

BOS

SYD

25h 45m

2 stops

12:00 pm - 9:23 pm

SYD

BOS

23h 23m

2 stops

$1,188American Airlines

Wed, Aug 19 - Wed, Aug 26

8:40 pm - 6:50 am

BOS

SYD

42h 10m

1 stop

3:50 pm - 1:55 pm

SYD

BOS

38h 05m

1 stop

$1,231Multiple Airlines

Sun, Nov 1 - Thu, Nov 12

8:40 pm - 6:50 am

BOS

SYD

42h 10m

1 stop

3:50 pm - 1:55 pm

SYD

BOS

38h 05m

1 stop

$1,235Qatar Airways

Sun, Nov 1 - Thu, Nov 12

4:59 pm - 4:05 pm

BOS

AVV

33h 06m

2 stops

8:55 pm - 11:28 pm

AVV

BOS

40h 33m

2 stops

$1,243Multiple Airlines

Mon, Sep 14 - Mon, Sep 21

10:00 pm - 5:30 pm

BOS

BNE

29h 30m

1 stop

10:10 pm - 3:15 pm

BNE

BOS

31h 05m

1 stop

$1,265Qatar Airways

Wed, Sep 9 - Tue, Sep 29

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Delta flights from Boston to Australia

Our best Delta deals on Boston to Australia flight tickets

Delta

Aug 18

BOS9:55 amBoston Logan Intl

30h 55m

2 stops

SYD6:50 amSydney Kingsford Smith

Aug 26

SYD9:15 amSydney Kingsford Smith

24h 00m

2 stops

BOS7:15 pmBoston Logan Intl

$1,241

Delta

Aug 4

BOS3:14 pmBoston Logan Intl

25h 36m

2 stops

SYD6:50 amSydney Kingsford Smith

Aug 18

SYD9:15 amSydney Kingsford Smith

24h 00m

2 stops

BOS7:15 pmBoston Logan Intl

$1,242

Delta

Oct 21

BOS10:55 amBoston Logan Intl

30h 55m

1 stop

MEL8:50 amMelbourne

Nov 4

MEL12:00 pmMelbourne

24h 30m

1 stop

BOS8:30 pmBoston Logan Intl

$1,257

United Airlines flights from Boston to Australia

Our best United Airlines deals on Boston to Australia flight tickets

United Airlines

Aug 16

BOS11:50 amBoston Logan Intl

29h 10m

1 stop

SYD7:00 amSydney Kingsford Smith

Aug 23

SYD9:30 amSydney Kingsford Smith

25h 32m

2 stops

BOS9:02 pmBoston Logan Intl

$1,187

United Airlines

Aug 8

BOS8:27 pmBoston Logan Intl

44h 28m

1 stop

SYD6:55 amSydney Kingsford Smith

Aug 30

SYD9:30 amSydney Kingsford Smith

26h 29m

2 stops

BOS9:59 pmBoston Logan Intl

$1,199

United Airlines

Aug 15

BOS5:01 pmBoston Logan Intl

47h 54m

2 stops

SYD6:55 amSydney Kingsford Smith

Aug 30

SYD9:30 amSydney Kingsford Smith

25h 59m

1 stop

BOS9:29 pmBoston Logan Intl

$1,204

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Sat 8/29

10:30 am-6:45 am

1 stop30h 15m

Melbourne

Sat 9/5

9:45 am-11:44 pm

1 stop27h 59m

$1,176

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Wed 8/19

10:30 am-7:05 am

1 stop30h 35m

Sydney Kingsford Smith

Wed 8/26

12:00 pm-10:06 pm

1 stop24h 06m

$1,184

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sun 8/23

10:30 am-7:05 am

1 stop30h 35m

Sydney Kingsford Smith

Sun 8/30

9:10 am-11:44 pm

1 stop28h 34m

$1,185

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sun 8/16

11:50 am-7:00 am

1 stop29h 10m

Sydney Kingsford Smith

Sun 8/23

9:30 am-9:29 pm

1 stop25h 59m

$1,187

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sun 8/16

5:45 am-7:00 am

2 stops35h 15m

Sydney Kingsford Smith

Sun 8/23

9:30 am-9:59 pm

2 stops26h 29m

$1,187

Quickest round-trip

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Wed 8/19

3:20 pm-7:05 am

2 stops25h 45m

Sydney Kingsford Smith

Wed 8/26

12:00 pm-9:23 pm

2 stops23h 23m

$1,188

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sun 11/1

8:40 pm-6:50 am

1 stop42h 10m

Sydney Kingsford Smith

Thu 11/12

3:50 pm-1:55 pm

1 stop38h 05m

$1,231

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sun 11/1

8:40 pm-6:50 am

1 stop42h 10m

Sydney Kingsford Smith

Thu 11/12

3:50 pm-1:55 pm

1 stop38h 05m

$1,235

BostonMelbourne

BOS - AVV

BOSAVV

Boston Logan Intl

Mon 9/14

4:59 pm-4:05 pm

2 stops33h 06m

Melbourne Avalon

Mon 9/21

8:55 pm-11:28 pm

2 stops40h 33m

$1,243

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Wed 9/9

10:00 pm-5:30 pm

1 stop29h 30m

Brisbane

Tue 9/29

10:10 pm-3:15 pm

1 stop31h 05m

$1,265

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 $1,236. If you aren’t able to travel during the month of February, then book flights to Australia from Boston during September instead. Flights to Australia in September, while not as cheap as those in February, still average around $1,316.

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 $1,469 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 $1,387 on momondo.

Can stopping save me money on Boston to Australia flights?

You could potentially save up to 3% 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 August 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 8,492 reviews	Search Delta flights
Fiji Airways	PriceFrom $703	Free Cancellation	Rating 8.0 249 reviews	Search Fiji Airways flights
United Airlines	PriceFrom $868	Free Cancellation	Rating 7.4 10,062 reviews	Search United Airlines flights
Air Canada	PriceFrom $907	Free Cancellation	Rating 7.1 11,419 reviews	Search Air Canada flights
Qatar Airways	PriceFrom $972	Free Cancellation	Rating 7.4 3,736 reviews	Search Qatar Airways flights
American Airlines	PriceFrom $991	Free Cancellation	Rating 7.1 11,846 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $1,021	Free Cancellation	Rating 7.5 1,074 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $1,084	Free Cancellation	Rating 8.0 657 reviews	Search Air New Zealand flights
Emirates	PriceFrom $1,520	Free Cancellation	Rating 8.1 3,637 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.