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Cheap flights from Boston to Australia from $791

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SYD
16 Mar — 23 Mar1
1 adult

Cheap flight deals from Boston to Australia

Keep the following information in mind while searching for Boston to Australia flight deals. Data was last updated 11 March 2025.

Round-trip from

$1,587

One-way from

$791

Popular in

December

Cheapest in

April

Average price

$2,009
1/5-5/5
  • 1/5-5/5
  • 3 total stops
  • 60h 56m total
  • Boston to Australia
Search Deals
1/5
  • 1/5
  • 2 total stops
  • 33h 16m total
  • Boston to Australia
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($546 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($108 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find 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 11 March 2025.

Thu 1/512:59BOS - SYD
2 stops33h 16mMultiple Airlines
Mon 5/516:20SYD - BOS
1 stop27h 40mMultiple Airlines
Deal found 10/3$1,587
Mon 17/308:30BOS - BNE
1 stop31h 00mAmerican Airlines
Mon 24/308:05BNE - BOS
1 stop26h 02mAmerican Airlines
Deal found 10/3$1,610
Mon 17/307:00BOS - BNE
2 stops34h 40mMultiple Airlines
Mon 24/319:50BNE - BOS
3 stops40h 49mMultiple Airlines
Deal found 10/3$1,724
Tue 8/419:42BOS - MEL
2 stops29h 53mMultiple Airlines
Wed 30/415:45MEL - BOS
1 stop28h 15mMultiple Airlines
Deal found 10/3$1,754
Tue 8/412:25BOS - SYD
2 stops40h 50mANA
Wed 30/411:50SYD - BOS
2 stops43h 44mANA
Deal found 10/3$1,852
Tue 11/1118:08BOS - BNE
2 stops25h 02mFiji Airways
Tue 25/1111:35BNE - BOS
2 stops26h 31mFiji Airways
Deal found 10/3$1,962
Tue 7/1010:20BOS - SYD
2 stops31h 00mAir Canada
Tue 4/1111:20SYD - BOS
2 stops38h 18mAir Canada
Deal found 10/3$1,965
Sat 15/309:25BOS - MEL
2 stops32h 35mUnited Airlines
Sat 22/312:00MEL - BOS
1 stop22h 42mUnited Airlines
Deal found 10/3$2,006
Wed 12/318:05BOS - BNE
2 stops27h 15mUnited Airlines
Tue 18/320:55BNE - BOS
2 stops34h 00mUnited Airlines
Deal found 10/3$2,041
Sun 18/519:00BOS - MEL
3 stops50h 35mAir Canada
Sun 1/620:45MEL - BOS
3 stops39h 53mAir Canada
Deal found 10/3$2,065
Tue 8/418:04BOS - SYD
2 stops27h 41mFiji Airways
Tue 29/413:15SYD - BOS
2 stops24h 29mFiji Airways
Deal found 10/3$2,085
Mon 20/1021:45BOS - SYD
1 stop29h 25mQatar Airways
Tue 4/1121:40SYD - BOS
1 stop32h 15mQatar Airways
Deal found 9/3$2,171

Find flights from Boston to Australia within your budget

Customise 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 647,157 searches. Data last updated 11 March 2025.

Fly from

Boston

Fly to

Australia

Route

Depart

Return

Price

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Thu 1/5

12:59-12:15

2 stops33h 16m

Sydney Kingsford Smith

Mon 5/5

16:20-06:00

1 stop27h 40m

$1,587

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Tue 8/4

19:42-15:35

2 stops29h 53m

Melbourne

Wed 30/4

15:45-06:00

1 stop28h 15m

$1,754

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 8/4

12:25-19:15

2 stops40h 50m

Sydney Kingsford Smith

Wed 30/4

11:50-17:34

2 stops43h 44m

$1,852

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Wed 14/5

15:20-07:20

2 stops26h 00m

Sydney Kingsford Smith

Tue 3/6

09:20-09:35

2 stops38h 15m

$1,970

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Sun 30/3

17:30-09:15

1 stop24h 45m

Melbourne

Tue 22/4

10:55-12:27

2 stops39h 32m

$2,036

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Sun 18/5

19:00-11:35

3 stops50h 35m

Melbourne

Sun 1/6

20:45-22:38

3 stops39h 53m

$2,065

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 8/4

18:04-11:45

2 stops27h 41m

Sydney Kingsford Smith

Tue 29/4

13:15-23:44

2 stops24h 29m

$2,085

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sat 6/9

21:45-17:10

1 stop29h 25m

Sydney Kingsford Smith

Thu 25/9

20:45-15:05

1 stop32h 20m

$2,177

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Wed 18/6

10:20-07:05

2 stops30h 45m

Brisbane

Wed 9/7

10:00-09:35

2 stops37h 35m

$2,179

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Mon 1/9

21:45-11:55

1 stop26h 10m

Perth

Tue 16/9

15:20-15:05

1 stop35h 45m

$2,196

Flights are sorted by cheapest return flights first.

Deals found on 10/3

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 return 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.

Travel insights for flights from Boston to Australia

Get recent, data-driven insights about flights from Boston to Australia including ideal travel times, pricing trends, and more.

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

Currently, May is the cheapest month in which you can book a flight from Boston to Australia (average of $129). Flying from Boston to Australia in October is currently the most expensive (average of $171). 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.

What is the cheapest time of day to fly from BOS to AU?

Find hourly flight availability from Boston to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 March 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boston to Australia as you normally would.

Rainfall in Australia by month

Plan your trip to Australia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Australia ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Australia when rainfall is around 50.0 mm.

Temperature in Australia by month

Plan your trip to Australia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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 11 March 2025.
Get a feel of what it's like to fly with Air Tahiti Nui, Korean Air and ANA from Boston to Australia by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Boarding

8.7

Food

7.8

Crew

9.1

Entertainment

7.2

Overall

8.7

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air Tahiti Nui
8.7
Very Good
61 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Boarding

8.7

Food

7.8

Crew

9.1

Entertainment

7.2

Overall

8.7

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Korean Air
8.4
Very Good
1,043 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Boarding

8.7

Food

7.8

Crew

9.1

Entertainment

7.2

Overall

8.7

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

ANA
8.4
Very Good
829 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Boarding

8.7

Food

7.8

Crew

9.1

Entertainment

7.2

Overall

8.7

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Japan Airlines
8.3
Very Good
1,439 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Boarding

8.7

Food

7.8

Crew

9.1

Entertainment

7.2

Overall

8.7

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Singapore Airlines
8.1
Very Good
1,283 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Boarding

8.7

Food

7.8

Crew

9.1

Entertainment

7.2

Overall

8.7

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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 4.2 km from the city centre, Boston Logan Intl (BOS) is the airport most travellers will use when flying to Australia from Boston.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $896. However, be on the lookout for offers from United Airlines and Fiji Airways, as they are both options that can get you from Boston to Australia for a low price.

  • 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 - Melbourne Avalon.

  • 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 holiday 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, May is the cheapest month in which you can book a flight from Boston to Australia (average of $129). Flying from Boston to Australia in October is currently the most expensive (average of $171). 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 3 airlines flying from Boston to Australia

Discover the top 3 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 647,157 searches. Data last updated 11 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,209Average$2,297FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,293Average$2,479FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$2,172Average$2,462FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Boston to Australia?

When you search for this flight from Boston to Australia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Boston to Australia?

Cheapflights simply makes it quick and affordable to book flights from Boston to Australia by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Boston to Australia with no change fees?

Yes! Cheapflights helps users easily find flights from Boston to Australia with no change fees.

Can Cheapflights notify me if prices for flights from Boston to Australia become cheaper?

Yes! Start tracking prices for Boston to Australia flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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