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$406+ Cheap flights from Boston (BOS) to Australia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SYD
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from Boston to Australia

Cheapest flights from Boston to Australia
Explore the most affordable flight options available from Boston to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This Air Canada deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/510:15 am
BOS
-
BNE
2 stops31h 30m
Air Canada
Sat 3/219:45 am
BNE
-
BOS
2 stops37h 47m
Air Canada
Deal found 2/9$808
This Air Canada deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/163:35 pm
BOS
-
BNE
2 stops26h 10m
Air Canada
Wed 9/910:00 am
BNE
-
BOS
2 stops37h 50m
Air Canada
Deal found 2/11$810
This Air Canada deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/161:00 pm
BOS
-
BNE
3 stops32h 05m
Multiple Airlines
Wed 9/910:00 am
BNE
-
BOS
2 stops37h 50m
Multiple Airlines
Deal found 2/11$918
This Air Canada deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/510:45 am
BOS
-
BNE
3 stops37h 45m
Multiple Airlines
Sat 3/217:40 pm
BNE
-
BOS
3 stops40h 57m
Multiple Airlines
Deal found 2/9$933
This Air Canada deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/273:35 pm
BOS
-
BNE
2 stops25h 30m
Air Canada
Fri 4/310:00 am
BNE
-
BOS
2 stops37h 49m
Air Canada
Deal found 2/9$994
This CrystalTravel deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/264:50 pm
BOS
-
MEL
1 stop24h 40m
Qantas Airways
Thu 3/1212:00 pm
MEL
-
BOS
1 stop25h 59m
Qantas Airways
Deal found 2/10$1,001
This Air Canada deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/110:40 am
BOS
-
BNE
2 stops30h 25m
Air Canada
Wed 4/2210:00 am
BNE
-
BOS
2 stops25h 27m
Air Canada
Deal found 2/9$1,012
This Air Canada deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1410:35 am
BOS
-
BNE
2 stops30h 30m
Air Canada
Mon 7/610:00 am
BNE
-
BOS
2 stops37h 50m
Air Canada
Deal found 2/9$1,015
This Air Canada deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/271:00 pm
BOS
-
BNE
3 stops32h 05m
Multiple Airlines
Fri 4/310:00 am
BNE
-
BOS
2 stops37h 49m
Multiple Airlines
Deal found 2/9$1,016
This oojo deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/54:04 pm
BOS
-
MEL
2 stops31h 31m
Qantas Airways
Thu 3/1212:00 pm
MEL
-
BOS
1 stop25h 59m
Qantas Airways
Deal found 2/11$1,022
This Travelocity deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2210:50 am
BOS
-
BNE
3 stops34h 40m
Multiple Airlines
Tue 7/1410:00 am
BNE
-
BOS
2 stops25h 27m
Multiple Airlines
Deal found 2/9$1,036
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/95:20 pm
BOS
-
MEL
1 stop24h 10m
American Airlines
Mon 2/164:05 pm
MEL
-
BOS
1 stop23h 46m
American Airlines
Deal found 2/9$1,039

Find flight deals from Boston to Australia

Keep the following information in mind while searching for Boston to Australia flight deals. Data was last updated February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$808
(Air Canada)

One-way from

$406
(Air Canada)

Popular in

December

Cheapest in

September

Average price

$1,228
Provider with most accurate pricing for Boston Logan Intl-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Sydney Kingsford Smith flights.
Search Deals
From Boston Logan Intl to Australia
Search Deals
One-way flight from Boston Logan Intl to Australia
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($235 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated February 12, 2026.
Use the filters below to find and compare flights from Boston to Australia that are best for you.

Fly from

Boston

Fly to

Australia

Route

Depart

Return

Price

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Mon 3/16

3:35 pm-7:45 am

2 stops26h 10m

Brisbane

Wed 9/9

10:00 am-9:50 am

2 stops37h 50m

$810

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Thu 3/5

10:45 am-3:30 pm

3 stops37h 45m

Brisbane

Sat 3/21

9:45 am-9:32 am

2 stops37h 47m

$837

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Mon 3/16

1:00 pm-11:05 am

3 stops32h 05m

Brisbane

Wed 9/9

10:00 am-9:50 am

2 stops37h 50m

$918

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Thu 3/5

10:45 am-3:30 pm

3 stops37h 45m

Brisbane

Sat 3/21

7:40 pm-10:37 pm

3 stops40h 57m

$933

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Thu 3/5

4:50 pm-9:30 am

1 stop24h 40m

Melbourne

Thu 3/12

12:00 pm-10:59 pm

1 stop25h 59m

$1,039

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Mon 4/6

5:55 pm-7:30 am

1 stop23h 35m

Melbourne

Fri 4/10

9:30 am-4:55 pm

1 stop21h 25m

$1,062

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Wed 3/4

8:00 am-10:00 am

1 stop34h 00m

Melbourne

Tue 3/17

12:00 pm-7:46 pm

1 stop22h 46m

$1,062

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Tue 4/7

11:10 am-8:15 am

1 stop31h 05m

Melbourne

Tue 4/21

10:55 am-11:59 pm

2 stops27h 04m

$1,062

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Wed 3/4

8:00 am-10:00 am

1 stop34h 00m

Melbourne

Mon 3/9

12:00 pm-12:49 am

1 stop27h 49m

$1,062

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Mon 4/20

6:01 pm-8:15 am

1 stop24h 14m

Melbourne

Wed 5/20

9:30 am-4:55 pm

1 stop21h 25m

$1,062

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 60 results
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Best time to book a flight from Boston to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Australia

What is the cheapest month to book a flight from Boston to Australia?

Currently, September is the cheapest month in which you can book a flight from Boston to Australia (average of $251). Flying from Boston to Australia in January is currently the most expensive (average of $978). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated February 12, 2026.
Read through reviews of airlines operating flights from Boston to Australia, such as Delta, Qantas Airways, and Qatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,178 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,178 reviews
Delta
7.9
Good
8,178 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Qantas Airways
7.5
Good
988 reviews
Delta
7.9
Good
8,178 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Qatar Airways
7.4
Good
3,731 reviews
Delta
7.9
Good
8,178 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,279 reviews
Delta
7.9
Good
8,178 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,270 reviews
Delta
7.9
Good
8,178 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Boston to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to Australia?

    Located just 2.6 mi from the city center, Boston Logan Intl (BOS) is the airport most travelers will use when flying to Australia from Boston.

  • How long is the flight from Boston to Australia?

    Departing from Boston to Australia will take you 23h 35m. The distance between Boston and Australia is about 10520 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Boston to Australia one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $445. Users have also found prices from $515 and $562 on Air Canada and Qantas Airways, respectively.

  • What are the most popular routes from Boston to Australia?

    The most popular route from Boston to Australia is Boston Logan Intl - Sydney Kingsford Smith. You may also consider Boston Logan Intl - Melbourne or Boston Logan Intl - Brisbane.

  • Can I find deals for flights from Boston to Australia that include hotel bookings?

    Yes. In addition to deals on Boston to Australia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Australia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Australia.

  • Can I find deals for business class flights from Boston to Australia?

    Yes. Cheapflights offers flight deals from Boston to Australia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Australia?

    Currently, September is the cheapest month in which you can book a flight from Boston to Australia (average of $251). Flying from Boston to Australia in January is currently the most expensive (average of $978). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Boston to Australia

Discover the top 10 airlines that operate flights from Boston to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$251Average$385FlexibilityNo cancel feeOn-time62%
DeltaCheapest$269Average$1,303FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$583Average$1,560FlexibilityNo cancel feeOn-time69%
Fiji AirwaysCheapest$731Average$1,581FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$735Average$1,246FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$848Average$1,487FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$862Average$1,472FlexibilityNo cancel feeOn-time78%
Qantas AirwaysCheapest$1,022Average$1,626FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,238Average$1,717FlexibilityNo cancel feeOn-time68%
Cathay PacificCheapest$1,318Average$1,556FlexibilityNo cancel feeOn-time72%

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