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 40% 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 September 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.

$616 Cheap Flights from Boston to Australia in 2026/27

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.

10:40 am - 8:35 amBOS Boston Logan Intl-SYD Sydney Kingsford Smith

30h 55m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

11:20 am - 10:03 amSYD Sydney Kingsford Smith-BOS Boston Logan Intl

38h 43m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,149Air Canada

Sun, Oct 25 - Mon, Nov 2

3:30 pm - 9:35 amBOS Boston Logan Intl-SYD Sydney Kingsford Smith

26h 05m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

9:20 am - 9:22 pmSYD Sydney Kingsford Smith-BOS Boston Logan Intl

26h 02m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,149Air Canada

Tue, Nov 10 - Tue, May 4

5:45 pm - 8:05 amBOS Boston Logan Intl-SYD Sydney Kingsford Smith

23h 20m1 stop Los Angeles

1:05 pm - 7:37 pmSYD Sydney Kingsford Smith-BOS Boston Logan Intl

21h 32m1 stop Dallas/Fort Worth

$1,187Qantas Airways

Wed, Oct 21 - Wed, Oct 28

2:21 pm - 9:00 amBOS Boston Logan Intl-SYD Sydney Kingsford Smith

26h 39m1 stop Los Angeles

2:05 pm - 7:35 pmSYD Sydney Kingsford Smith-BOS Boston Logan Intl

21h 30m1 stop Dallas/Fort Worth

$1,187Qantas Airways

Mon, Feb 1 - Wed, Mar 3

2:25 pm - 6:25 amBOS Boston Logan Intl-SYD Sydney Kingsford Smith

24h 00m1 stop Los Angeles

11:10 am - 4:29 pmSYD Sydney Kingsford Smith-BOS Boston Logan Intl

21h 19m1 stop Los Angeles

$1,187Multiple Airlines

Tue, Nov 10 - Tue, Nov 17

5:30 am - 9:35 amBOS Boston Logan Intl-SYD Sydney Kingsford Smith

36h 05m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

11:20 am - 10:35 pmSYD Sydney Kingsford Smith-BOS Boston Logan Intl

26h 15m1 stop Toronto Pearson Intl

$1,197Air New Zealand

Wed, Mar 3 - Mon, Mar 15

12:00 pm - 9:35 amBOS Boston Logan Intl-SYD Sydney Kingsford Smith

29h 35m2 stops Newark Vancouver Intl

11:20 am - 9:45 amSYD Sydney Kingsford Smith-BOS Boston Logan Intl

38h 25m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,199Multiple Airlines

Mon, Jan 25 - Tue, Mar 2

11:05 am - 9:35 amBOS Boston Logan Intl-SYD Sydney Kingsford Smith

30h 30m2 stops Toronto Pearson Intl Vancouver Intl

11:20 am - 10:35 pmSYD Sydney Kingsford Smith-BOS Boston Logan Intl

26h 15m1 stop Toronto Pearson Intl

$1,202Air New Zealand

Sun, Mar 7 - Mon, Mar 15

7:00 am - 6:45 amBOS Boston Logan Intl-MEL Melbourne

32h 45m1 stop Los Angeles

10:45 pm - 7:47 amMEL Melbourne-BOS Boston Logan Intl

25h 02m1 stop Los Angeles

$1,220American Airlines

Wed, Oct 21 - Wed, Nov 4

7:29 am - 5:00 amBOS Boston Logan Intl-MEL Melbourne

30h 31m1 stop Dallas/Fort Worth

12:00 pm - 5:08 pmMEL Melbourne-BOS Boston Logan Intl

21h 08m1 stop Dallas/Fort Worth

$1,220American Airlines

Tue, Oct 27 - Tue, Nov 3

Cheap last minute flights

Enter your travel dates to find the best prices.

7:45 am - 6:55 amBOS Boston Logan Intl-SYD Sydney Kingsford Smith

33h 10m1 stop San Francisco

7:25 pm - 7:15 amSYD Sydney Kingsford Smith-BOS Boston Logan Intl

51h 50m2 stops Auckland Intl Los Angeles

$1,600Air New Zealand

Tue, Sep 29 - Tue, Nov 3

7:45 am - 6:55 amBOS Boston Logan Intl-SYD Sydney Kingsford Smith

33h 10m1 stop San Francisco

7:25 pm - 7:15 amSYD Sydney Kingsford Smith-BOS Boston Logan Intl

51h 50m2 stops Auckland Intl Los Angeles

$1,601Air New Zealand

Tue, Sep 29 - Tue, Nov 3

1:55 pm - 8:15 amBOS Boston Logan Intl-MEL Melbourne

28h 20m1 stop San Francisco

11:55 am - 11:59 pmMEL Melbourne-BOS Boston Logan Intl

27h 04m2 stops San Francisco Washington, D.C. Dulles Intl

$1,699United Airlines

Wed, Sep 30 - Wed, Oct 14

11:30 am - 8:15 amBOS Boston Logan Intl-MEL Melbourne

30h 45m1 stop San Francisco

10:30 am - 5:31 pmMEL Melbourne-BOS Boston Logan Intl

22h 01m1 stop Los Angeles

$1,699United Airlines

Wed, Sep 30 - Wed, Oct 14

10:00 pm - 6:30 amBOS Boston Logan Intl-SYD Sydney Kingsford Smith

42h 30m1 stop Doha Hamad Intl

3:50 pm - 2:55 pmSYD Sydney Kingsford Smith-BOS Boston Logan Intl

38h 05m1 stop Doha Hamad Intl

$1,699Qatar Airways

Wed, Sep 30 - Sat, Oct 24

10:55 am - 7:50 amBOS Boston Logan Intl-MEL Melbourne

30h 55m1 stop Los Angeles

11:00 am - 7:28 pmMEL Melbourne-BOS Boston Logan Intl

23h 28m1 stop Los Angeles

$1,734Delta

Wed, Sep 30 - Wed, Oct 14

5:15 pm - 7:50 amBOS Boston Logan Intl-MEL Melbourne

24h 35m2 stops Detroit Metropolitan Wayne County Los Angeles

11:00 am - 1:20 amMEL Melbourne-BOS Boston Logan Intl

29h 20m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,739Delta

Wed, Sep 30 - Wed, Oct 14

5:42 pm - 6:50 pmBOS Boston Logan Intl-SYD Sydney Kingsford Smith

35h 08m2 stops Portland Honolulu

8:45 pm - 5:07 pmSYD Sydney Kingsford Smith-BOS Boston Logan Intl

35h 22m2 stops Honolulu San Diego

$1,808Multiple Airlines

Wed, Sep 30 - Sat, Oct 24

6:00 am - 7:20 amBOS Boston Logan Intl-SYD Sydney Kingsford Smith

35h 20m2 stops Toronto Pearson Intl Vancouver Intl

11:20 am - 9:28 pmSYD Sydney Kingsford Smith-BOS Boston Logan Intl

26h 08m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,814Air Canada

Tue, Sep 29 - Tue, Nov 3

10:40 am - 7:05 amBOS Boston Logan Intl-BNE Brisbane

30h 25m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

7:40 pm - 10:40 pmBNE Brisbane-BOS Boston Logan Intl

41h 00m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,814Multiple Airlines

Sat, Oct 3 - Sat, Oct 10

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Air Canada flights from Boston to Australia

Our best Air Canada deals on Boston to Australia flight tickets

Air Canada

Oct 25

BOS10:40 amBoston Logan Intl

30h 55m

2 stops

SYD8:35 amSydney Kingsford Smith

Nov 2

SYD11:20 amSydney Kingsford Smith

38h 43m

2 stops

BOS10:03 amBoston Logan Intl

$1,149

Air Canada

Oct 25

BOS10:40 amBoston Logan Intl

30h 55m

2 stops

SYD8:35 amSydney Kingsford Smith

Nov 2

SYD11:20 amSydney Kingsford Smith

38h 43m

2 stops

BOS10:03 amBoston Logan Intl

$1,150

Air Canada

Feb 21

BOS3:30 pmBoston Logan Intl

26h 05m

2 stops

SYD9:35 amSydney Kingsford Smith

Mar 7

SYD11:20 amSydney Kingsford Smith

38h 50m

2 stops

BOS10:10 amBoston Logan Intl

$1,151

Qantas Airways flights from Boston to Australia

Our best Qantas Airways deals on Boston to Australia flight tickets

Qantas Airways

Oct 21

BOS5:45 pmBoston Logan Intl

23h 20m

1 stop

SYD8:05 amSydney Kingsford Smith

Oct 28

SYD1:05 pmSydney Kingsford Smith

21h 32m

1 stop

BOS7:37 pmBoston Logan Intl

$1,187

Qantas Airways

Oct 21

BOS5:45 pmBoston Logan Intl

23h 20m

1 stop

SYD8:05 amSydney Kingsford Smith

Oct 28

SYD11:10 amSydney Kingsford Smith

27h 42m

1 stop

BOS11:52 pmBoston Logan Intl

$1,221

Qantas Airways

Oct 21

BOS5:45 pmBoston Logan Intl

23h 20m

1 stop

SYD8:05 amSydney Kingsford Smith

Oct 28

SYD11:10 amSydney Kingsford Smith

27h 42m

1 stop

BOS11:52 pmBoston Logan Intl

$1,223

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Sun 10/25

10:40 am-8:35 am

2 stops30h 55m

Sydney Kingsford Smith

Mon 11/2

11:20 am-10:03 am

2 stops38h 43m

$1,149

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Tue 11/10

3:30 pm-9:35 am

2 stops26h 05m

Sydney Kingsford Smith

Tue 5/4

9:20 am-9:22 pm

2 stops26h 02m

$1,149

Quickest round-trip

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Wed 10/21

5:45 pm-8:05 am

1 stop23h 20m

Sydney Kingsford Smith

Wed 10/28

1:05 pm-7:37 pm

1 stop21h 32m

$1,187

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Mon 2/1

2:21 pm-9:00 am

1 stop26h 39m

Sydney Kingsford Smith

Wed 3/3

2:05 pm-7:35 pm

1 stop21h 30m

$1,187

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Tue 11/10

2:25 pm-6:25 am

1 stop24h 00m

Sydney Kingsford Smith

Tue 11/17

11:10 am-4:29 pm

1 stop21h 19m

$1,187

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Wed 3/3

5:30 am-9:35 am

2 stops36h 05m

Sydney Kingsford Smith

Mon 3/15

11:20 am-10:35 pm

1 stop26h 15m

$1,197

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Mon 1/25

12:00 pm-9:35 am

2 stops29h 35m

Sydney Kingsford Smith

Tue 3/2

11:20 am-9:45 am

2 stops38h 25m

$1,199

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Sun 3/7

11:05 am-9:35 am

2 stops30h 30m

Sydney Kingsford Smith

Mon 3/15

11:20 am-10:35 pm

1 stop26h 15m

$1,202

BostonMelbourne

BOS Boston Logan Intl - MEL Melbourne

BOSMEL

Boston Logan Intl

Wed 10/21

7:00 am-6:45 am

1 stop32h 45m

Melbourne

Wed 11/4

10:45 pm-7:47 am

1 stop25h 02m

$1,220

BostonMelbourne

BOS Boston Logan Intl - MEL Melbourne

BOSMEL

Boston Logan Intl

Tue 10/27

7:29 am-5:00 am

1 stop30h 31m

Melbourne

Tue 11/3

12:00 pm-5:08 pm

1 stop21h 08m

$1,220

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 $1,225. If you aren’t able to travel during the month of February, then book flights to Australia from Boston during May instead. Flights to Australia in May, while not as cheap as those in February, still average around $1,324.

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 $1,450 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 $1,318 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

Best Price Found	$616
Fastest flight time	22h 38m
Direct flights	None

The best one-way flight to Australia from Boston in the past 72 hours is $616. The best round-trip flight deal from Boston to Australia found on momondo in the last 72 hours is $1,149.

The fastest flight from Boston to Australia takes 22h 38m

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 September 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 8,607 reviews	Search Delta flights
Fiji Airways	PriceFrom $703	Free Cancellation	Rating 8.0 259 reviews	Search Fiji Airways flights
United Airlines	PriceFrom $868	Free Cancellation	Rating 7.4 10,248 reviews	Search United Airlines flights
Air Canada	PriceFrom $965	Free Cancellation	Rating 7.1 11,701 reviews	Search Air Canada flights
American Airlines	PriceFrom $991	Free Cancellation	Rating 7.0 12,100 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $1,038	Free Cancellation	Rating 7.5 1,102 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $1,084	Free Cancellation	Rating 8.0 670 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,175	Free Cancellation	Rating 7.3 3,730 reviews	Search Qatar Airways flights
Emirates	PriceFrom $1,566	Free Cancellation	Rating 8.1 3,668 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.