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Cheap flights from Boston to Australia from $706

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SYD
20 Jul — 27 Jul1
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 15 July 2025.

Round-trip from

$1,595

One-way from

$706

Popular in

December

Cheapest in

April

Average price

$2,224
Air Canada
  • Air Canada
  • 19/11-30/11
  • 4 total stops
  • 69h 17m total
  • Boston to Australia
6/9
  • 6/9
  • 2 total stops
  • 40h 55m total
  • Boston to Australia
Highest demand for flights based on searches. 12% potential increase in price ($471 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($101 potential savings vs. average return price).
Average for round-trip flights in July 2025

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 15 July 2025.

Wed 19/1110:15BOS - BNE
2 stops31h 30mAir Canada
Sun 30/1110:45BNE - BOS
2 stops37h 47mAir Canada
Deal found 13/7$1,595
Tue 4/1112:15BOS - MEL
2 stops30h 10mQantas Airways
Sun 23/1116:05MEL - BOS
1 stop21h 03mQantas Airways
Deal found 13/7$1,636
Wed 19/1113:00BOS - BNE
3 stops32h 10mMultiple Airlines
Sun 30/1110:45BNE - BOS
2 stops37h 47mMultiple Airlines
Deal found 13/7$1,654
Thu 4/912:15BOS - MEL
3 stops33h 20mAir Canada
Wed 17/906:00MEL - BOS
3 stops41h 55mAir Canada
Deal found 12/7$1,810
Mon 24/1107:50BOS - SYD
2 stops34h 40mANA
Sun 7/1221:45SYD - BOS
2 stops30h 43mANA
Deal found 14/7$1,874
Tue 2/906:00BOS - SYD
3 stops42h 40mMultiple Airlines
Sun 14/909:20SYD - BOS
2 stops38h 10mMultiple Airlines
Deal found 14/7$1,890
Tue 12/805:50BOS - SYD
2 stops35h 30mAir Canada
Tue 19/809:20SYD - BOS
2 stops46h 40mAir Canada
Deal found 15/7$1,916
Wed 29/1012:00BOS - SYD
1 stop30h 00mQantas Airways
Sat 8/1119:15SYD - BOS
2 stops43h 51mQantas Airways
Deal found 13/7$1,921
Sat 1/1118:13BOS - SYD
2 stops27h 17mFiji Airways
Sat 15/1114:30SYD - BOS
2 stops24h 36mFiji Airways
Deal found 13/7$1,965
Fri 26/918:20BOS - SYD
1 stop22h 40mUnited Airlines
Sun 5/1010:30SYD - BOS
2 stops26h 15mUnited Airlines
Deal found 13/7$1,979
Mon 15/918:13BOS - AVV
2 stops36h 02mMultiple Airlines
Wed 15/1006:00AVV - BOS
2 stops25h 53mMultiple Airlines
Deal found 12/7$2,014
Mon 6/1021:35BOS - SYD
2 stops31h 25mTurkish Airlines
Wed 22/1021:55SYD - BOS
2 stops36h 45mTurkish Airlines
Deal found 13/7$2,024

Cheapflights Fare Finder

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 15 July 2025.
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

Wed 19/11

10:15-08:45

2 stops31h 30m

Brisbane

Sun 30/11

10:45-09:32

2 stops37h 47m

$1,595

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Tue 4/11

12:15-10:25

2 stops30h 10m

Melbourne

Sun 23/11

16:05-21:08

1 stop21h 03m

$1,636

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Wed 19/11

13:00-12:10

3 stops32h 10m

Brisbane

Sun 30/11

10:45-09:32

2 stops37h 47m

$1,654

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Thu 4/9

12:15-11:35

3 stops33h 20m

Melbourne

Wed 17/9

06:00-09:55

3 stops41h 55m

$1,811

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Mon 24/11

07:50-10:30

2 stops34h 40m

Sydney Kingsford Smith

Sun 7/12

21:45-12:28

2 stops30h 43m

$1,874

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 2/9

06:00-14:40

3 stops42h 40m

Sydney Kingsford Smith

Sun 14/9

09:20-09:30

2 stops38h 10m

$1,890

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 12/8

05:50-07:20

2 stops35h 30m

Sydney Kingsford Smith

Tue 19/8

09:20-18:00

2 stops46h 40m

$1,916

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Wed 29/10

12:00-09:00

1 stop30h 00m

Sydney Kingsford Smith

Sat 8/11

19:15-23:06

2 stops43h 51m

$1,921

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sat 1/11

18:13-12:30

2 stops27h 17m

Sydney Kingsford Smith

Sat 15/11

14:30-23:06

2 stops24h 36m

$1,965

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Fri 26/9

18:20-07:00

1 stop22h 40m

Sydney Kingsford Smith

Sun 5/10

10:30-21:45

2 stops26h 15m

$1,979

Flights are sorted by cheapest return flights first.

Deals found on 14/7

Showing 1-10 of 59 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.

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, 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 15 July 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.

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 15 July 2025.
See what other customers who have flown with ANA, Emirates, andSingapore Airlines from Boston to Australia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.7

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Food

7.7

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
8.4
Very Good

Crew

8.7

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Food

7.7

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Crew

8.7

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Food

7.7

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Crew

8.7

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Food

7.7

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Crew

8.7

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Food

7.7

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
8.0
Very Good

Crew

8.7

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Food

7.7

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

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 Qantas Airways, with whom users have recently found tickets for as low as $909. However, be on the lookout for offers from Air Canada and American Airlines, 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?

  • 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 15 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,163Average$2,423FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,242Average$2,489FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$2,116Average$2,561FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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