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Cheap flights from Boston to Australia from $407

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 2/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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Air Canada Logo
3:35 pm - 8:45 amBOS-BNE
26h 10m2 stops
Air Canada Logo
10:45 am - 9:32 amBNE-BOS
37h 47m2 stops
$798Air Canada
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Sat, Feb 7 - Fri, Feb 20
Air Canada Logo
10:15 am - 8:45 amBOS-BNE
31h 30m2 stops
Air Canada Logo
10:45 am - 8:32 amBNE-BOS
36h 47m2 stops
$801Air Canada
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Sun, Feb 22 - Sun, Mar 8
Air Canada Logo
6:55 pm - 8:45 amBOS-BNE
46h 50m2 stops
Air Canada Logo
10:45 am - 10:37 pmBNE-BOS
26h 52m2 stops
$804Air Canada
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Sat, Jan 24 - Sat, Jan 31
United Airlines Logo
11:00 am - 6:30 amBOS-BNE
29h 30m1 stop
United Airlines Logo
10:40 am - 5:04 pmBNE-BOS
20h 24m1 stop
$867United Airlines
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Sun, Mar 8 - Fri, Mar 13
United Airlines Logo
9:40 am - 7:30 amBOS-BNE
30h 50m2 stops
United Airlines Logo
11:40 am - 8:05 pmBNE-BOS
23h 25m2 stops
$871United Airlines
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Sun, Dec 14 - Fri, Jan 23
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
$943Qantas Airways
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Tue, Feb 3 - Tue, Feb 17
Qantas Airways Logo
11:00 am - 9:30 amBOS-MEL
30h 30m1 stop
Qantas Airways Logo
12:00 pm - 10:09 pmMEL-BOS
26h 09m1 stop
$965Qantas Airways
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Tue, Feb 3 - Tue, Feb 17
American Airlines Logo
8:00 am - 9:30 amBOS-MEL
33h 30m1 stop
American Airlines Logo
12:00 pm - 8:58 pmMEL-BOS
24h 58m1 stop
$986American Airlines
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Tue, Jan 20 - Wed, Jan 28
American Airlines Logo
11:00 am - 5:00 amBOS-MEL
26h 00m2 stops
American Airlines Logo
4:05 pm - 10:58 pmMEL-BOS
22h 53m2 stops
$990American Airlines
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Tue, Jan 20 - Thu, Jan 29
Delta Logo
5:00 pm - 7:40 amBOS-MEL
24h 40m1 stop
Delta Logo
10:00 am - 7:38 pmMEL-BOS
23h 38m1 stop
$1,016Delta
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Fri, May 1 - Sun, May 17

Qantas Airways flights from Boston to Australia

Our best Qantas Airways deals on Boston to Australia flight tickets
Qantas Airways
Feb 3
BOS11:00 amBoston Logan Intl
30h 30m
1 stop
MEL9:30 amMelbourne
Feb 17
MEL6:45 amMelbourne
28h 02m
2 stops
BOS6:47 pmBoston Logan Intl
$943
Find similar
Qantas Airways
Feb 3
BOS11:00 amBoston Logan Intl
30h 30m
1 stop
MEL9:30 amMelbourne
Feb 17
MEL12:00 pmMelbourne
26h 09m
1 stop
BOS10:09 pmBoston Logan Intl
$965
Find similar
Qantas Airways
Mar 13
BOS2:36 pmBoston Logan Intl
23h 24m
1 stop
MEL5:00 amMelbourne
Mar 28
MEL12:00 pmMelbourne
32h 49m
1 stop
BOS5:49 amBoston Logan Intl
$977
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United Airlines flights from Boston to Australia

Our best United Airlines deals on Boston to Australia flight tickets
United Airlines
Mar 8
BOS11:00 amBoston Logan Intl
29h 30m
1 stop
BNE6:30 amBrisbane
Mar 13
BNE10:40 amBrisbane
20h 24m
1 stop
BOS5:04 pmBoston Logan Intl
$867
Find similar
United Airlines
Dec 14
BOS9:40 amBoston Logan Intl
30h 50m
2 stops
BNE7:30 amBrisbane
Jan 23
BNE11:40 amBrisbane
23h 25m
2 stops
BOS8:05 pmBoston Logan Intl
$871
Find similar
United Airlines
Jan 21
BOS11:17 amBoston Logan Intl
29h 13m
2 stops
BNE7:30 amBrisbane
Jan 30
BNE11:40 amBrisbane
23h 25m
2 stops
BOS8:05 pmBoston Logan Intl
$872
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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 December 3, 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

Sat 2/7

3:35 pm-8:45 am

2 stops26h 10m

Brisbane

Fri 2/20

10:45 am-9:32 am

2 stops37h 47m

$798

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Sun 2/22

10:15 am-8:45 am

2 stops31h 30m

Brisbane

Sun 3/8

10:45 am-8:32 am

2 stops36h 47m

$801

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Sat 1/24

6:55 pm-8:45 am

2 stops46h 50m

Brisbane

Sat 1/31

10:45 am-10:37 pm

2 stops26h 52m

$804

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Sun 3/8

11:00 am-6:30 am

1 stop29h 30m

Brisbane

Fri 3/13

10:40 am-5:04 pm

1 stop20h 24m

$867

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Sun 12/14

9:40 am-7:30 am

2 stops30h 50m

Brisbane

Fri 1/23

11:40 am-8:05 pm

2 stops23h 25m

$871

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Tue 2/3

11:00 am-9:30 am

1 stop30h 30m

Melbourne

Tue 2/17

6:45 am-6:47 pm

2 stops28h 02m

$943

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Tue 2/3

11:00 am-9:30 am

1 stop30h 30m

Melbourne

Tue 2/17

12:00 pm-10:09 pm

1 stop26h 09m

$965

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Tue 1/20

8:00 am-9:30 am

1 stop33h 30m

Melbourne

Wed 1/28

12:00 pm-8:58 pm

1 stop24h 58m

$986

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Tue 1/20

11:00 am-5:00 am

2 stops26h 00m

Melbourne

Thu 1/29

4:05 pm-10:58 pm

2 stops22h 53m

$990

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Fri 5/1

5:00 pm-7:40 am

1 stop24h 40m

Melbourne

Sun 5/17

10:00 am-7:38 pm

1 stop23h 38m

$1,016

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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 $1,212. 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 $1,220.

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 $1,422 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 $1,223 on momondo.

Can stopping save me money on Boston to Australia flights?

You could potentially save up to 30% 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 25m

Direct flights

None
The fastest flight from Boston to Australia takes 22h 25m
There are no direct flights from Boston to Australia. There are no popular flight routes from Boston to Australia.
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  • 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
2,901 reviews
Search JetBlue flights
DeltaPriceFrom $318Free CancellationRating
7.9
8,011 reviews
Search Delta flights
Air CanadaPriceFrom $735Free CancellationRating
7.1
10,496 reviews
Search Air Canada flights
Fiji AirwaysPriceFrom $740Free CancellationRating
8.1
209 reviews
Search Fiji Airways flights
United AirlinesPriceFrom $824Free CancellationRating
7.4
9,063 reviews
Search United Airlines flights
American AirlinesPriceFrom $848Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
Air New ZealandPriceFrom $862Free CancellationRating
8.0
542 reviews
Search Air New Zealand flights
Qantas AirwaysPriceFrom $1,022Free CancellationRating
7.5
947 reviews
Search Qantas Airways flights
Cathay PacificPriceFrom $1,251Free CancellationRating
7.6
1,080 reviews
Search Cathay Pacific flights
Qatar AirwaysPriceFrom $1,272Free CancellationRating
7.4
3,679 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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