HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Australia

$542+ 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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SYD
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Australia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 septiembre 11, 2025.

Round-trip from

$981
(Air Canada)

One-way from

$542
(Air Canada)

Popular in

December

Cheapest in

April

Average price

$1,288
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. 12% potential increase in price ($204 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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 septiembre 11, 2025.

This BestPriceTravel deal was found by Cheapflights users on 9/9. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/910:20 amBOS - SYD
2 stops31h 00mAir Canada
mar. 11/2511:20 amSYD - BOS
2 stops27h 17mAir Canada
Deal found 9/9$930
This Expedia deal was found by Cheapflights users on 9/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/3110:35 amBOS - BNE
2 stops31h 10mAir Canada
vie. 11/710:45 amBNE - BOS
2 stops25h 42mAir Canada
Deal found 9/10$982
This Expedia deal was found by Cheapflights users on 9/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/16:15 amBOS - BNE
2 stops35h 30mAir Canada
vie. 11/710:45 amBNE - BOS
2 stops25h 42mAir Canada
Deal found 9/11$988
This Gotogate deal was found by Cheapflights users on 9/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/315:30 amBOS - BNE
2 stops36h 15mAir Canada
vie. 11/1410:45 amBNE - BOS
2 stops25h 42mAir Canada
Deal found 9/11$1,001
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/134:01 pmBOS - BNE
1 stop23h 29mQantas Airways
lun. 12/299:40 amBNE - BOS
1 stop20h 19mQantas Airways
Deal found 9/10$1,022
This lol.travel deal was found by Cheapflights users on 9/10. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/146:20 pmBOS - SYD
1 stop22h 40mUnited Airlines
dom. 9/289:30 amSYD - BOS
2 stops23h 26mUnited Airlines
Deal found 9/10$1,039
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/312:04 pmBOS - BNE
2 stops25h 26mAmerican Airlines
vie. 11/147:40 pmBNE - BOS
1 stop36h 15mAmerican Airlines
Deal found 9/11$1,041
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/3112:20 pmBOS - BNE
2 stops26h 40mAmerican Airlines
vie. 11/77:40 pmBNE - BOS
1 stop25h 38mAmerican Airlines
Deal found 9/10$1,050
This Air Canada deal was found by Cheapflights users on 9/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/145:30 amBOS - BNE
2 stops36h 15mAir Canada
sáb. 12/2710:45 amBNE - BOS
2 stops44h 12mAir Canada
Deal found 9/10$1,059
This Air Canada deal was found by Cheapflights users on 9/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/134:35 pmBOS - BNE
2 stops49h 10mAir Canada
sáb. 12/2710:45 amBNE - BOS
2 stops44h 12mAir Canada
Deal found 9/10$1,066
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/2011:00 amBOS - BNE
1 stop29h 30mUnited Airlines
mié. 12/311:40 amBNE - BOS
1 stop20h 26mUnited Airlines
Deal found 9/10$1,067
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/135:30 amBOS - BNE
2 stops35h 00mUnited Airlines
lun. 12/2911:40 amBNE - BOS
1 stop28h 13mUnited Airlines
Deal found 9/11$1,072

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 septiembre 11, 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

vie. 10/31

3:40 pm-7:45 am

2 stops26h 05m

Brisbane

vie. 11/14

6:05 am-10:37 pm

3 stops31h 32m

$1,028

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

vie. 10/31

2:04 pm-5:30 am

2 stops25h 26m

Brisbane

vie. 11/14

7:40 pm-4:55 pm

1 stop36h 15m

$1,041

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

jue. 11/20

11:00 am-7:30 am

1 stop29h 30m

Brisbane

mié. 12/3

11:40 am-5:06 pm

1 stop20h 26m

$1,067

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

mié. 11/19

11:59 am-7:30 am

2 stops28h 31m

Brisbane

dom. 11/30

11:40 am-8:06 am

1 stop35h 26m

$1,084

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

mié. 9/24

3:15 pm-6:55 am

2 stops25h 40m

Sydney Kingsford Smith

mié. 10/1

10:20 am-5:11 pm

1 stop20h 51m

$1,117

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

vie. 11/14

5:45 pm-9:00 am

1 stop23h 15m

Sydney Kingsford Smith

lun. 12/8

7:15 pm-5:35 pm

2 stops38h 20m

$1,165

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

sáb. 11/1

6:40 pm-8:45 am

2 stops48h 05m

Brisbane

vie. 11/7

9:40 am-8:30 pm

1 stop25h 50m

$1,171

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

lun. 9/29

12:05 pm-6:35 am

2 stops28h 30m

Sydney Kingsford Smith

vie. 10/24

10:25 am-6:35 am

2 stops35h 10m

$1,172

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

mié. 2/4

2:45 pm-8:00 am

1 stop25h 15m

Melbourne

mié. 2/25

10:10 am-4:30 pm

1 stop22h 20m

$1,192

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

jue. 3/5

6:00 pm-8:00 am

2 stops46h 00m

Melbourne

vie. 3/27

9:10 am-9:35 pm

1 stop27h 25m

$1,195

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 60 results
1
2
3
...
6

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, February is the cheapest month in which you can book a flight from Boston to Australia (average of $1,035). Flying from Boston to Australia in December is currently the most expensive (average of $1,626). 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 septiembre 11, 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.

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 septiembre 11, 2025.
Read through reviews of airlines operating flights from Boston to Australia, such as Delta, Qantas Airways, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Qantas Airways
7.5
Good
905 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 25h 26m. The distance between Boston and Australia is about 9759 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 Air Canada. According to our data, you can fly for as low as $542. Users have also found prices from $594 and $620 on United Airlines 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, February is the cheapest month in which you can book a flight from Boston to Australia (average of $1,035). Flying from Boston to Australia in December is currently the most expensive (average of $1,626). 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.

Alternative routes for Boston to Australia

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Sydney flights
Boston to Auckland flights
Boston to Melbourne flights
Boston to Brisbane flights
Boston to Avalon flights
Boston to Christchurch flights
Boston to Adelaide flights
Boston to Maroochydore flights
Hartford to Auckland flights
Boston to Tamuning flights
Boston to Wellington flights
Hartford to Melbourne flights
Boston to Perth flights
Hartford to Sydney flights
Boston to Nadi flights
Boston to Vaitape flights
Boston to Papeete flights
Boston to Queenstown flights
Boston to Hobart flights
Boston to Suva flights
Boston to Rarotonga flights
Boston to Dunedin flights
Hartford to Tamuning flights
Hartford to Brisbane flights
Boston to Tauranga flights
Boston to Rotorua flights
Boston to Pago Pago flights
Albany to Papeete flights
Hartford to Nadi flights
Boston to Blenheim flights
Boston to Launceston flights
Boston to Tontouta flights
Boston to Labasa flights
Boston to Port Moresby flights
Albany to Brisbane flights
Hartford to Avalon flights
Boston to Savusavu flights
Boston to Cairns flights
Boston to Palmerston North flights
Boston to Townsville flights
Boston to Apia flights

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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$251Average$911FlexibilityNo cancel feeOn-time62%
DeltaCheapest$397Average$1,212FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$735Average$1,319FlexibilityNo cancel feeOn-time67%
Fiji AirwaysCheapest$740Average$1,439FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$774Average$1,764FlexibilityNo cancel feeOn-time69%
Air New ZealandCheapest$862Average$1,873FlexibilityNo cancel feeOn-time78%
American AirlinesCheapest$920Average$1,592FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$1,107Average$1,777FlexibilityNo cancel feeOn-time74%
Cathay PacificCheapest$1,251Average$1,574FlexibilityNo cancel feeOn-time72%
Qatar AirwaysCheapest$1,272Average$1,674FlexibilityNo cancel feeOn-time68%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.