Cheap Flights from Boston (BOS) to Perth (PSL)

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Find available prices by choosing your travel dates.
Flights from Boston (BOS) to Perth (PSL)
Origin airport
Logan Intl.
Destination airport
Perth
Distance
3053 mi

Boston to Perth Flights

The cheapest times to fly from Boston to Perth

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 Perth are during the month of . You can find some of the cheapest flights from Boston to Perth with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Boston to Perth

Sunday is one of the best days to book for cheap flights from Boston to Perth: 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 Perth

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 Perth in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Perth 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 Perth 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

Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to PSL last minute?
When it’s time to book your flights, being organized pays off. While it may be possible to pick up a last-minute deal on a BOS to PSL flight, prices usually don’t get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days in advance. For international flights it’s between three and four months.
What airports do you fly into for Perth from Boston?
With Perth, Scotland (PSL), Dundee Airport (DND) and Edinburgh Airport (EDI) to pick from, connecting from Boston to Perth is easy. The city’s major hub, Perth, Scotland (PSL), is about 3 mi northeast of the center. Apart from the price of fares, consider things like the ease of getting from the airport and the distance to your hotel before making your decision. Get your Perth vacation off to a superb start by visiting Scone Palace and Perth Racecourse.
Can I change the date of my flight from Logan Intl. Airport (BOS) to PSL?
It’s a cinch to make changes to your Logan Intl. Airport to PSL journey yourself. Just log in to the Expedia Trips portal and tap “change flight.” Look around for new flights and book the one that fits your new plans. You’ll see an estimate of any flight change costs. Alternatively, visit our Customer Service portal to connect with our Virtual Agent and quickly get answers to your questions.

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