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

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

Which airlines fly to Australia?

Air Canada, Qantas Airways and United Airlines are the top three most popular airlines that fly to Australia from Boston according to our data. Air Canada is the first choice among our users, with 26% of people opting to fly with this airline when travelling to Australia. Keep in mind that there are 4 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 were last updated today.

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

As of August 2026, there are 4 operators available to choose from 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.

$740 Cheap Flights from Boston to Australia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Australia

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

15:30 - 08:35BOS Boston Logan Intl-SYD Sydney Kingsford Smith

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

10:20 - 21:28SYD Sydney Kingsford Smith-BOS Boston Logan Intl

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

$1,491Air Canada

Sun, 25 Oct - Thu, 29 Oct

10:35 - 08:35BOS Boston Logan Intl-SYD Sydney Kingsford Smith

31h 00m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

10:20 - 09:58SYD Sydney Kingsford Smith-BOS Boston Logan Intl

38h 38m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,501Air Canada

Sun, 25 Oct - Thu, 29 Oct

12:30 - 13:35BOS Boston Logan Intl-MEL Melbourne

34h 05m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

08:00 - 22:37MEL Melbourne-BOS Boston Logan Intl

30h 37m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,506Multiple Airlines

Mon, 19 Oct - Mon, 2 Nov

10:10 - 05:00BOS Boston Logan Intl-MEL Melbourne

27h 50m1 stop Dallas/Fort Worth

22:45 - 16:29MEL Melbourne-BOS Boston Logan Intl

33h 44m1 stop Los Angeles

$1,577American Airlines

Mon, 19 Oct - Mon, 2 Nov

12:59 - 05:00BOS Boston Logan Intl-MEL Melbourne

26h 01m1 stop Dallas/Fort Worth

14:35 - 21:16MEL Melbourne-BOS Boston Logan Intl

21h 41m1 stop Dallas/Fort Worth

$1,579American Airlines

Mon, 21 Sep - Mon, 5 Oct

06:20 - 07:50BOS Boston Logan Intl-MEL Melbourne

35h 30m1 stop Los Angeles

11:00 - 19:25MEL Melbourne-BOS Boston Logan Intl

23h 25m1 stop Los Angeles

$1,602Delta

Mon, 21 Sep - Sun, 4 Oct

14:25 - 09:00BOS Boston Logan Intl-SYD Sydney Kingsford Smith

27h 35m1 stop Los Angeles

11:10 - 16:25SYD Sydney Kingsford Smith-BOS Boston Logan Intl

21h 15m1 stop Los Angeles

$1,789Qantas Airways

Tue, 27 Oct - Tue, 24 Nov

14:25 - 09:00BOS Boston Logan Intl-SYD Sydney Kingsford Smith

27h 35m1 stop Los Angeles

11:10 - 16:29SYD Sydney Kingsford Smith-BOS Boston Logan Intl

21h 19m1 stop Los Angeles

$1,789Qantas Airways

Mon, 26 Oct - Mon, 2 Nov

07:45 - 07:55BOS Boston Logan Intl-SYD Sydney Kingsford Smith

33h 10m1 stop San Francisco

11:20 - 19:44SYD Sydney Kingsford Smith-BOS Boston Logan Intl

23h 24m1 stop San Francisco

$1,813United Airlines

Tue, 6 Oct - Sun, 18 Oct

07:45 - 07:55BOS Boston Logan Intl-SYD Sydney Kingsford Smith

33h 10m1 stop San Francisco

10:30 - 21:49SYD Sydney Kingsford Smith-BOS Boston Logan Intl

26h 19m2 stops Los Angeles Denver Intl

$1,813United Airlines

Tue, 6 Oct - Sun, 18 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

18:13 - 06:55BOS Boston Logan Intl-SYD Sydney Kingsford Smith

22h 42m1 stop San Francisco

10:20 - 22:59SYD Sydney Kingsford Smith-BOS Boston Logan Intl

26h 39m1 stop San Francisco

$1,715United Airlines

Sun, 30 Aug - Mon, 14 Sep

12:41 - 06:55BOS Boston Logan Intl-SYD Sydney Kingsford Smith

28h 14m2 stops Newark San Francisco

09:30 - 21:59SYD Sydney Kingsford Smith-BOS Boston Logan Intl

26h 29m2 stops Los Angeles Chicago O'Hare Intl

$1,715United Airlines

Sun, 30 Aug - Mon, 14 Sep

07:00 - 06:45BOS Boston Logan Intl-MEL Melbourne

33h 45m1 stop Los Angeles

09:45 - 23:28MEL Melbourne-BOS Boston Logan Intl

27h 43m1 stop Los Angeles

$1,732Qantas Airways

Sun, 30 Aug - Tue, 29 Sep

16:30 - 07:50BOS Boston Logan Intl-MEL Melbourne

25h 20m1 stop Los Angeles

10:00 - 23:51MEL Melbourne-BOS Boston Logan Intl

27h 51m1 stop Los Angeles

$1,970Delta

Fri, 28 Aug - Wed, 16 Sep

20:45 - 07:50BOS Boston Logan Intl-MEL Melbourne

45h 05m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:00 - 23:51MEL Melbourne-BOS Boston Logan Intl

27h 51m1 stop Los Angeles

$1,977Delta

Thu, 27 Aug - Wed, 16 Sep

10:40 - 07:20BOS Boston Logan Intl-SYD Sydney Kingsford Smith

30h 40m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Vancouver Intl

09:20 - 09:50SYD Sydney Kingsford Smith-BOS Boston Logan Intl

38h 30m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$2,052Air Canada

Sat, 29 Aug - Sat, 5 Sep

10:40 - 07:20BOS Boston Logan Intl-SYD Sydney Kingsford Smith

30h 40m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Vancouver Intl

09:20 - 09:50SYD Sydney Kingsford Smith-BOS Boston Logan Intl

38h 30m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$2,331Air Canada

Sun, 30 Aug - Mon, 14 Sep

16:59 - 07:05BOS Boston Logan Intl-SYD Sydney Kingsford Smith

24h 06m1 stop Los Angeles

09:10 - 16:44SYD Sydney Kingsford Smith-BOS Boston Logan Intl

21h 34m1 stop Los Angeles

$16,845Qantas Airways

Sat, 29 Aug - Mon, 31 Aug

15:53 - 07:05BOS Boston Logan Intl-SYD Sydney Kingsford Smith

25h 12m2 stops Chicago O'Hare Intl Los Angeles

09:10 - 19:42SYD Sydney Kingsford Smith-BOS Boston Logan Intl

24h 32m2 stops Los Angeles Dallas/Fort Worth

$20,322American Airlines

Thu, 27 Aug - Wed, 2 Sep

15:20 - 07:05BOS Boston Logan Intl-SYD Sydney Kingsford Smith

25h 45m2 stops Philadelphia Los Angeles

09:10 - 16:44SYD Sydney Kingsford Smith-BOS Boston Logan Intl

21h 34m1 stop Los Angeles

$20,322American Airlines

Thu, 27 Aug - Wed, 2 Sep

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Air Canada flights from Boston to Australia

Our best Air Canada deals on Boston to Australia flight tickets

Air Canada

25 Oct

BOS15:30Boston Logan Intl

26h 05m

2 stops

SYD08:35Sydney Kingsford Smith

29 Oct

SYD10:20Sydney Kingsford Smith

26h 08m

2 stops

BOS21:28Boston Logan Intl

$1,491

Air Canada

25 Oct

BOS10:35Boston Logan Intl

31h 00m

2 stops

SYD08:35Sydney Kingsford Smith

29 Oct

SYD10:20Sydney Kingsford Smith

38h 38m

3 stops

BOS09:58Boston Logan Intl

$1,501

Air Canada

14 Oct

BOS10:40Boston Logan Intl

30h 40m

2 stops

SYD08:20Sydney Kingsford Smith

21 Oct

SYD10:20Sydney Kingsford Smith

26h 06m

2 stops

BOS21:26Boston Logan Intl

$1,524

Air New Zealand flights from Boston to Australia

Our best Air New Zealand deals on Boston to Australia flight tickets

Air New Zealand

24 Oct

BOS19:05Boston Logan Intl

46h 30m

1 stop

SYD08:35Sydney Kingsford Smith

2 Nov

SYD11:20Sydney Kingsford Smith

26h 08m

2 stops

BOS21:28Boston Logan Intl

$1,671

Air New Zealand

24 Oct

BOS16:55Boston Logan Intl

48h 40m

1 stop

SYD08:35Sydney Kingsford Smith

1 Nov

SYD11:20Sydney Kingsford Smith

38h 38m

2 stops

BOS10:58Boston Logan Intl

$1,672

Air New Zealand

14 Nov

BOS17:17Boston Logan Intl

49h 38m

2 stops

MEL10:55Melbourne

18 Nov

MEL12:10Melbourne

35h 05m

2 stops

BOS07:15Boston Logan Intl

$1,853

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Sun 25/10

15:30-08:35

2 stops26h 05m

Sydney Kingsford Smith

Thu 29/10

10:20-21:28

2 stops26h 08m

$1,491

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Sun 25/10

10:35-08:35

2 stops31h 00m

Sydney Kingsford Smith

Thu 29/10

10:20-09:58

3 stops38h 38m

$1,501

BostonMelbourne

BOS Boston Logan Intl - MEL Melbourne

BOSMEL

Boston Logan Intl

Mon 19/10

12:30-13:35

3 stops34h 05m

Melbourne

Mon 2/11

08:00-22:37

3 stops30h 37m

$1,506

BostonMelbourne

BOS Boston Logan Intl - MEL Melbourne

BOSMEL

Boston Logan Intl

Mon 19/10

10:10-05:00

1 stop27h 50m

Melbourne

Mon 2/11

22:45-16:29

1 stop33h 44m

$1,577

Fastest return journey

BostonMelbourne

BOS Boston Logan Intl - MEL Melbourne

BOSMEL

Boston Logan Intl

Mon 21/9

12:59-05:00

1 stop26h 01m

Melbourne

Mon 5/10

14:35-21:16

1 stop21h 41m

$1,579

BostonMelbourne

BOS Boston Logan Intl - MEL Melbourne

BOSMEL

Boston Logan Intl

Mon 21/9

06:20-07:50

1 stop35h 30m

Melbourne

Sun 4/10

11:00-19:25

1 stop23h 25m

$1,602

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Tue 27/10

14:25-09:00

1 stop27h 35m

Sydney Kingsford Smith

Tue 24/11

11:10-16:25

1 stop21h 15m

$1,789

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Mon 26/10

14:25-09:00

1 stop27h 35m

Sydney Kingsford Smith

Mon 2/11

11:10-16:29

1 stop21h 19m

$1,789

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Tue 6/10

07:45-07:55

1 stop33h 10m

Sydney Kingsford Smith

Sun 18/10

11:20-19:44

1 stop23h 24m

$1,813

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Tue 6/10

07:45-07:55

1 stop33h 10m

Sydney Kingsford Smith

Sun 18/10

10:30-21:49

2 stops26h 19m

$1,813

Flights are sorted by cheapest return 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?

In general, February 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 $1,719. If you don’t want to visit Australia in February, then you should wait until March to fly from Boston, when ticket prices are also cheap, with an average price of $1,842.

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 $2,041 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 $1,903 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

Best price found	$740
Fastest flight time	25h 15m
Direct flights	None

The best one-way flight to Australia from Boston in the past 72 hours is $740. The best return flight deal from Boston to Australia found on momondo in the last 72 hours is $1,491.

The fastest flight from Boston to Australia takes 25h 15m

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 were last updated today.
How many operators does momondo search for flights from Boston Logan Intl Airport to Australia?
As of August 2026, there are 4 operators available to choose from 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 Canada	PriceFrom $1,255	Free cancellation	Rating 7.1 11,540 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $1,368	Free cancellation	Rating 7.5 1,085 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,479	Free cancellation	Rating 7.1 11,995 reviews	Search American Airlines flights
United Airlines	PriceFrom $1,623	Free cancellation	Rating 7.4 10,123 reviews	Search United Airlines 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.