$734 Cheap Flights from Boston (BOS) to Adelaide (ADL)

View $734 flight on Sat, Oct 25, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Adelaide, SA Airport (ADL)

Cheap Flights from Boston to Adelaide (BOS-ADL)

Prices were available within the past 7 days and start at $734 for one-way flights and $1,203 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fiji Airways
Tue, Feb 3 - Sat, Feb 7
BOS
Boston
ADL
Adelaide
$1,203 Roundtrip, found 1 day ago
$1,203
Roundtrip
found 1 day ago
Select Fiji Airways flight, departing Tue, Feb 3 from Boston to Adelaide, returning Sat, Feb 7, priced at $1,203 found 1 day ago
American Airlines
Thu, Oct 30 - Thu, Nov 6
BOS
Boston
ADL
Adelaide
$1,253 Roundtrip, found 14 hours ago
$1,253
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Thu, Oct 30 from Boston to Adelaide, returning Thu, Nov 6, priced at $1,253 found 14 hours ago
Fiji Airways
Sat, Oct 25 - Sat, Nov 1
BOS
Boston
ADL
Adelaide
$1,279 Roundtrip, found 2 days ago
$1,279
Roundtrip
found 2 days ago
Select Fiji Airways flight, departing Sat, Oct 25 from Boston to Adelaide, returning Sat, Nov 1, priced at $1,279 found 2 days ago
JetBlue Airways
Sat, Oct 25 - Fri, Oct 31
BOS
Boston
ADL
Adelaide
$1,311 Roundtrip, found 4 days ago
$1,311
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Sat, Oct 25 from Boston to Adelaide, returning Fri, Oct 31, priced at $1,311 found 4 days ago
JetBlue Airways
Sat, Oct 25 - Fri, Oct 31
BOS
Boston
ADL
Adelaide
$1,314 Roundtrip, found 4 days ago
$1,314
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Sat, Oct 25 from Boston to Adelaide, returning Fri, Oct 31, priced at $1,314 found 4 days ago
Air Canada
Tue, Sep 9 - Sat, Sep 13
BOS
Boston
ADL
Adelaide
$1,322 Roundtrip, found 5 days ago
$1,322
Roundtrip
found 5 days ago
Select Air Canada flight, departing Tue, Sep 9 from Boston to Adelaide, returning Sat, Sep 13, priced at $1,322 found 5 days ago
Air Canada
Mon, Sep 8 - Mon, Sep 22
BOS
Boston
ADL
Adelaide
$1,323 Roundtrip, found 1 day ago
$1,323
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Sep 8 from Boston to Adelaide, returning Mon, Sep 22, priced at $1,323 found 1 day ago
Qantas Airways
Wed, Sep 10 - Wed, Sep 17
BOS
Boston
ADL
Adelaide
$1,337 Roundtrip, found 2 days ago
$1,337
Roundtrip
found 2 days ago
Select Qantas Airways flight, departing Wed, Sep 10 from Boston to Adelaide, returning Wed, Sep 17, priced at $1,337 found 2 days ago
Air New Zealand
Mon, Feb 9 - Wed, Feb 25
BOS
Boston
ADL
Adelaide
$1,351 Roundtrip, found 4 days ago
$1,351
Roundtrip
found 4 days ago
Select Air New Zealand flight, departing Mon, Feb 9 from Boston to Adelaide, returning Wed, Feb 25, priced at $1,351 found 4 days ago
Cathay Pacific
Wed, Nov 12 - Wed, Jan 14
BOS
Boston
ADL
Adelaide
$1,421 Roundtrip, found 2 days ago
$1,421
Roundtrip
found 2 days ago
Select Cathay Pacific flight, departing Wed, Nov 12 from Boston to Adelaide, returning Wed, Jan 14, priced at $1,421 found 2 days ago

Alternative airports near Adelaide

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Adelaide, SA Airport ADL. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $1,464
ADL
Adelaide, SA Airport
CheapestClosest
Average driving time to city center11 min
Flights from $1,464
Flights from Boston (BOS) to Adelaide (ADL)
Origin airport
Logan Intl.
Destination airport
Adelaide
Airlines serving
Air Canada, Air New Zealand, American Airlines, British Airways, Cathay Pacific, Emirates, Fiji Airways, JetBlue Airways, Lufthansa, Malaysia Airlines, Qantas Airways, Qatar Airways, Singapore Airlines, Swiss International Air Lines, United
Roundtrip price
$1,203
Distance
10771 mi

Boston to Adelaide Flights

The cheapest times to fly from Boston to Adelaide

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Adelaide are during the month of February. You can find some of the cheapest flights from Boston to Adelaide with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Adelaide

Sunday is one of the best days to book for cheap flights from Boston to Adelaide: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Adelaide

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Adelaide in 2025. You can also book with separate airlines for your outbound and return journeys, from $734 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Adelaide flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Adelaide airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Adelaide Airport (ADL) cost?
Secure a cheap one-way flight from $734 or cheap return flight from $1,203 from Logan Intl. Airport (BOS) to Adelaide Airport (ADL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Adelaide Airport (ADL)?
The cheapest month to fly from BOS to ADL is February, when demand is low. Off-peak season is generally when airlines offer better prices between these airports.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Adelaide Airport (ADL)?
To find the cheapest airline that'll fly you from BOS to ADL, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Logan Intl. Airport (BOS) to Adelaide Airport (ADL)?
You'll need to catch a flight with a layover if you're traveling from Logan Intl. Airport (BOS) to Adelaide Airport (ADL). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from BOS to ADL?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can vary based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BOS) to Adelaide Airport (ADL)?
To avoid potential delays on the Logan Intl. Airport (BOS) to Adelaide Airport (ADL) route, fly before 3 PM. Later flights have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Adelaide Airport (ADL) last-minute?
Last-minute fares from BOS to ADL are generally more expensive. To lock in the lowest rates, start searching for flights early. That being said, if you're flexible with your travel plans, you may land a cheap ticket right before your journey.
Is it cheaper to book a BOS to ADL flight and hotel package?
Compared with arranging hotels and flights separately, booking a BOS to ADL flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place will take the hassle out of travel planning. Simply pick your flights and choose from our extensive range of stays, then customize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Adelaide Airport (ADL)?
If you reserved your BOS to ADL flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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*Available to One Key members.