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Cheap flights from Boston to Perth from $2,344

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PER
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Boston to Perth

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Perth (PER). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 24 October 2025.

Round-trip from

$2,344

Popular in

December

Cheapest in

November

Average price

$2,474
15/3-21/3
  • 15/3-21/3
  • 6 total stops
  • 71h 05m total
  • Boston to Perth
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($579 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($265 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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Find flight deals from Boston to Perth

Enter your travel dates to find the best prices.

Cheapest flights from Boston to Perth
Explore the most affordable flight options available from Boston to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.

Sat 8/1122:10BOS - PER
2 stops60h 45mEmirates
Thu 13/1122:20PER - BOS
1 stop28h 35mEmirates
Deal found 23/10$2,506
Thu 30/1023:05BOS - PER
2 stops36h 50mEmirates
Thu 6/1122:20PER - BOS
1 stop28h 35mEmirates
Deal found 23/10$2,623
Wed 29/1001:30BOS - PER
2 stops30h 25mMultiple Airlines
Thu 6/1110:30PER - BOS
2 stops40h 40mMultiple Airlines
Deal found 23/10$2,784
Sun 7/1218:25BOS - PER
2 stops30h 50mMultiple Airlines
Sun 14/1207:10PER - BOS
2 stops27h 23mMultiple Airlines
Deal found 23/10$2,798
Mon 17/1117:45BOS - PER
2 stops53h 20mQantas Airways
Mon 24/1105:00PER - BOS
2 stops31h 22mQantas Airways
Deal found 23/10$2,835
Sat 6/1212:00BOS - PER
2 stops37h 30mQantas Airways
Sat 13/1215:20PER - BOS
2 stops39h 11mQantas Airways
Deal found 22/10$2,859
Sat 8/1119:50BOS - PER
3 stops32h 30mMultiple Airlines
Thu 13/1110:30PER - BOS
2 stops40h 40mMultiple Airlines
Deal found 23/10$2,881

Cheapflights Fare Finder

 
Customise your flight search to find flights from Boston to Perth 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 24 October 2025.
Use the filters below to find and compare flights from Boston to Perth that are best for you.

Fly from

Boston

Fly to

Perth

Route

Depart

Return

Price

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Sun 15/3

16:40-15:55

3 stops35h 15m

Perth

Sat 21/3

23:10-23:00

3 stops35h 50m

$2,344

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Sun 15/3

23:05-23:55

2 stops60h 50m

Perth

Sat 21/3

22:20-14:30

1 stop28h 10m

$2,506

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Sat 8/11

22:10-23:55

2 stops60h 45m

Perth

Thu 13/11

22:20-13:55

1 stop28h 35m

$2,506

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Mon 9/2

22:10-23:55

2 stops36h 45m

Perth

Thu 12/2

22:20-13:55

1 stop28h 35m

$2,547

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Mon 9/2

16:19-19:30

2 stops38h 11m

Perth

Thu 12/2

23:55-16:44

2 stops29h 49m

$2,658

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Sat 6/12

12:00-14:30

2 stops37h 30m

Perth

Sat 13/12

15:20-17:31

2 stops39h 11m

$2,859

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Mon 17/11

15:40-21:45

3 stops41h 05m

Perth

Mon 24/11

10:30-14:10

2 stops40h 40m

$2,981

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Fri 6/3

19:25-17:20

3 stops56h 55m

$15,335

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Tue 3/3

17:55-04:30

3 stops45h 35m

$18,868

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Mon 2/3

07:00-04:30

3 stops56h 30m

$18,868

Flights are sorted by cheapest return flights first.

Deals found on 21/10

Showing 1-10 of 17 results
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Best time to book a flight from Boston to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth 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 Perth

What is the cheapest month to book a flight from Boston to Perth?

Currently, October is the cheapest month in which you can book a flight from Boston to Perth (average of $2,006). Flying from Boston to Perth in June is currently the most expensive (average of $3,339). 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 PER?

Find hourly flight availability from Boston to Perth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 24 October 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 52% on flights from Boston to Perth by exploring options for tickets in the morning.

Related info for your journey

Find useful and relevant information for your journey from Boston to Perth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Boston to Perth?

    Airlines like Emirates fly from Boston to Perth in about 60h 50m. The time it takes to get you to your destination can typically vary by up to . There are 18689 km between Boston and Perth.

  • Can I find deals for flights from Boston to Perth that include hotel bookings?

    Yes. In addition to deals on Boston to Perth flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Boston to Perth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Perth.

  • Can I find deals for business class flights from Boston to Perth?

    Yes. Cheapflights offers flight deals from Boston to Perth 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 Perth?

    Currently, October is the cheapest month in which you can book a flight from Boston to Perth (average of $2,006). Flying from Boston to Perth in June is currently the most expensive (average of $3,339). 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

Travelling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Scarborough
Mandurah
Fremantle
Rottnest Island

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How does Cheapflights help users find flights from Boston to Perth?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Boston to Perth. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Boston to Perth?

Cheapflights simply makes it quick and affordable to book flights from Boston to Perth 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 Perth with no change fees?

Yes, we can. To see specific flights from Boston to Perth with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Boston to Perth become cheaper?

Not ready to book yet? You can track prices for flights from Boston to Perth on Cheapflights with our Price Alert feature and get notified when better prices are available.

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