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$401+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SYD
févr. 25 — mars 41
mar. 2/25
mar. 3/4
1 adult, Economy
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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 février 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$824
(United Airlines)

One-way from

$401
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,385
Provider with most accurate pricing for Boston Logan Intl-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Sydney Kingsford Smith flights.
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From Boston Logan Intl to Australia
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One-way flight from Boston Logan Intl to Australia
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Highest demand for flights based on searches. 11% potential increase in price ($192 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 février 20, 2025.

This Air Canada deal was found by Cheapflights users on 2/20. 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.
ven. 8/2210:20 amBOS - SYD
2 stops31h 00mAir Canada
lun. 9/19:20 amSYD - BOS
2 stops38h 15mAir Canada
Deal found 2/20$823
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 4/199:30 amBOS - SYD
2 stops31h 30mUnited Airlines
jeu. 5/110:20 amSYD - BOS
1 stop26h 00mUnited Airlines
Deal found 2/20$824
This American Airlines deal was found by Cheapflights users on 2/20. 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.
lun. 3/34:04 pmBOS - SYD
2 stops26h 16mAmerican Airlines
mar. 3/1111:15 amSYD - BOS
2 stops24h 09mAmerican Airlines
Deal found 2/20$837
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 4/302:45 pmBOS - SYD
1 stop25h 50mDelta
mer. 6/49:25 amSYD - BOS
1 stop28h 39mDelta
Deal found 2/19$866
This Air Canada deal was found by Cheapflights users on 2/20. 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.
mar. 8/126:40 pmBOS - BNE
2 stops46h 25mAir Canada
dim. 8/1710:00 amBNE - BOS
2 stops37h 35mAir Canada
Deal found 2/20$888
This Air Canada deal was found by Cheapflights users on 2/20. 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.
mar. 8/1212:15 pmBOS - BNE
3 stops32h 25mMultiple Airlines
dim. 8/1710:00 amBNE - BOS
2 stops37h 35mMultiple Airlines
Deal found 2/20$1,030
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 3/218:36 amBOS - BNE
2 stops31h 54mUnited Airlines
ven. 3/2810:40 amBNE - BOS
1 stop33h 22mUnited Airlines
Deal found 2/19$1,040
This American Airlines deal was found by Cheapflights users on 2/20. 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.
sam. 3/82:05 pmBOS - BNE
1 stop24h 25mAmerican Airlines
dim. 3/168:05 amBNE - BOS
1 stop27h 29mAmerican Airlines
Deal found 2/20$1,065
This Air Canada deal was found by Cheapflights users on 2/20. 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.
ven. 5/910:50 amBOS - AVV
3 stops37h 20mMultiple Airlines
lun. 6/28:50 pmAVV - BOS
3 stops51h 13mMultiple Airlines
Deal found 2/20$1,079
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 4/58:00 amBOS - MEL
1 stop41h 35mMultiple Airlines
dim. 4/209:00 pmMEL - BOS
2 stops47h 00mMultiple Airlines
Deal found 2/19$1,090
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/2410:30 amBOS - ADL
3 stops42h 10mAir Canada
lun. 4/288:00 pmADL - BOS
3 stops40h 06mAir Canada
Deal found 2/19$1,128
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 3/197:45 amBOS - SYD
3 stops33h 50mMultiple Airlines
mer. 3/262:00 pmSYD - BOS
3 stops34h 59mMultiple Airlines
Deal found 2/20$1,165

Find flights from Boston to Australia within your budget

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 février 20, 2025.

Fly from

Boston

Fly to

Australia

Route

Depart

Return

Price

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

sam. 4/19

9:30 am-7:00 am

2 stops31h 30m

Sydney Kingsford Smith

jeu. 5/1

10:20 am-10:20 pm

1 stop26h 00m

$824

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

ven. 4/11

10:50 am-7:20 am

2 stops30h 30m

Sydney Kingsford Smith

sam. 4/19

9:20 am-9:41 am

2 stops38h 21m

$830

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

lun. 3/3

4:04 pm-10:20 am

2 stops26h 16m

Sydney Kingsford Smith

mar. 3/11

11:15 am-8:24 pm

2 stops24h 09m

$837

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

mer. 4/30

2:45 pm-6:35 am

1 stop25h 50m

Sydney Kingsford Smith

mer. 6/4

9:25 am-12:04 am

1 stop28h 39m

$866

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

mar. 8/12

6:40 pm-7:05 am

2 stops46h 25m

Brisbane

dim. 8/17

10:00 am-9:35 am

2 stops37h 35m

$888

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

mar. 8/12

12:15 pm-10:40 am

3 stops32h 25m

Brisbane

dim. 8/17

10:00 am-9:35 am

2 stops37h 35m

$1,030

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

ven. 3/21

8:36 am-6:30 am

2 stops31h 54m

Brisbane

ven. 3/28

10:40 am-6:02 am

1 stop33h 22m

$1,040

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

sam. 3/8

4:04 pm-5:30 am

1 stop22h 26m

Brisbane

lun. 3/17

8:05 am-5:08 pm

1 stop23h 03m

$1,065

BostonMelbourne

BOS - AVV

BOSAVV

Boston Logan Intl

ven. 5/9

10:50 am-2:10 pm

3 stops37h 20m

Melbourne Avalon

lun. 6/2

8:50 pm-10:03 am

3 stops51h 13m

$1,079

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

sam. 4/5

8:00 am-4:35 pm

1 stop41h 35m

Melbourne

dim. 4/20

9:00 pm-6:00 am

2 stops47h 00m

$1,090

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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.

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, February is the cheapest month in which you can book a flight from Boston to Australia (average of $1,051). Flying from Boston to Australia in December is currently the most expensive (average of $1,643). 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 février 20, 2025.

When flying from Boston to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Australia when rainfall is around 2.0 in.

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 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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 février 20, 2025.
Get a feel of what it's like to fly with Japan Airlines, Emirates and Singapore Airlines from Boston to Australia by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,440 reviews

Food

7.7

Boarding

8.4

Comfort

8.2

Overall

8.3

Crew

8.7

Entertainment

7.8

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Japan Airlines
8.3
Very good
1,440 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Food

7.7

Boarding

8.4

Comfort

8.2

Overall

8.3

Crew

8.7

Entertainment

7.8

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Emirates
8.1
Very good
3,276 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Food

7.7

Boarding

8.4

Comfort

8.2

Overall

8.3

Crew

8.7

Entertainment

7.8

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Singapore Airlines
8.1
Very good
1,301 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Food

7.7

Boarding

8.4

Comfort

8.2

Overall

8.3

Crew

8.7

Entertainment

7.8

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Fiji Airways
8.0
Very good
185 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Food

7.7

Boarding

8.4

Comfort

8.2

Overall

8.3

Crew

8.7

Entertainment

7.8

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Delta
8.0
Very good
8,219 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Food

7.7

Boarding

8.4

Comfort

8.2

Overall

8.3

Crew

8.7

Entertainment

7.8

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

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.

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

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $523. Users have also found prices from $575 and $694 on United Airlines and Qatar 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 - 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 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, February is the cheapest month in which you can book a flight from Boston to Australia (average of $1,051). Flying from Boston to Australia in December is currently the most expensive (average of $1,643). 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

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Alternative routes for Boston to Australia

See prices for flight routes from nearby airports that may be better suited for you.
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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 février 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$216Average$357FlexibilityNo cancel feeOn-time62%
DeltaCheapest$876Average$1,403FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,011Average$1,738FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,014Average$1,634FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$1,032Average$1,379FlexibilityNo cancel feeOn-time67%
Fiji AirwaysCheapest$1,133Average$1,242FlexibilityNo cancel feeOn-time74%
Cathay PacificCheapest$1,152Average$1,572FlexibilityNo cancel feeOn-time72%
Qantas AirwaysCheapest$1,228Average$1,838FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,310Average$1,748FlexibilityNo cancel feeOn-time68%
Air New ZealandCheapest$1,352Average$1,585FlexibilityNo cancel feeOn-time78%
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