What are the cheapest airlines flying from Boston to Perth round-trip?

Our cheapest airline available from Boston to Perth is Cathay Pacific. Our recent data shows that you can find tickets from as low as $2,183 on this airline. Additional options worth looking into are Qatar Airways and Emirates, starting at $2,204 and $2,398 round-trip. You may be able to fly from Boston to Perth for 21% less than the average price by searching for these airlines. Find deals

What is the cheapest day to fly from Boston to Perth?

Travellers seeking maximum savings on their Boston to Perth flight should consider departing on Monday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time. Find deals

What is the cheapest day to fly return from Boston to Perth?

Leaving on a Friday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 42% on the overall cost on flights from Boston to Perth.

What is the cheapest month to fly from Boston to Perth?

October is one of the best times of the year to fly to Perth from Boston. Prices for October average $2,782 per person but you can even find prices for as low as $2,029. The most expensive prices can be found in the month of December. Opting for a October flight can save you 70% on your journey compared to booking in December

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.

$905+ Flights from Boston to Perth

Cheap flight deals from Boston to Perth

Round-trip from	$2,120
One-way from	$905
Popular in	December
Cheapest in	October
Average price	$2,631

1/9-20/9
4 total stops
82h 40m total
Boston to Perth

Search Deals

20/8
3 total stops
51h 35m total
Boston to Perth

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($712 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($279 potential savings vs. average return price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

Find flight deals from Boston to Perth

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 14 May 2025.

Mon 1/916:30BOS - PER

2 stops44h 10mMultiple Airlines

Sat 20/912:25PER - BOS

2 stops38h 30mMultiple Airlines

Deal found 12/5$2,120

Wed 10/901:40BOS - PER

1 stop33h 00mCathay Pacific

Wed 17/909:15PER - BOS

1 stop25h 45mCathay Pacific

Deal found 13/5$2,183

Thu 11/922:00BOS - PER

1 stop25h 55mQatar Airways

Wed 17/915:40PER - BOS

1 stop35h 25mQatar Airways

Deal found 13/5$2,204

Mon 19/516:30BOS - PER

2 stops58h 10mEtihad Airways

Fri 6/617:20PER - BOS

2 stops57h 35mEtihad Airways

Deal found 12/5$2,356

Tue 16/923:05BOS - PER

1 stop30h 30mEmirates

Thu 25/922:20PER - BOS

1 stop27h 50mEmirates

Deal found 13/5$2,398

Tue 20/518:00BOS - PER

2 stops31h 35mQantas Airways

Mon 9/616:25PER - BOS

2 stops36h 51mQantas Airways

Deal found 13/5$2,617

Tue 16/916:45BOS - PER

3 stops33h 55mSingapore Airlines

Tue 23/917:10PER - BOS

3 stops37h 07mSingapore Airlines

Deal found 13/5$2,808

Wed 21/510:40BOS - PER

3 stops41h 05mAir Canada

Tue 10/615:30PER - BOS

3 stops54h 25mAir Canada

Deal found 12/5$2,910

Sat 20/907:15BOS - PER

2 stops44h 45mAir New Zealand

Fri 26/914:35PER - BOS

2 stops38h 36mAir New Zealand

Deal found 13/5$2,970

Sat 24/517:10BOS - PER

2 stops50h 35mAustrian Airlines

Thu 12/609:20PER - BOS

2 stops40h 30mAustrian Airlines

Deal found 12/5$3,008

Best flights from Boston to Perth
Discover carefully curated flight deals from Boston to Perth that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 May 2025.

Mon 1/916:30BOS - PER

2 stops44h 10mMultiple Airlines

Sat 20/912:25PER - BOS

2 stops38h 30mMultiple Airlines

Deal found 12/5$2,120

Wed 10/901:40BOS - PER

1 stop33h 00mCathay Pacific

Wed 17/909:15PER - BOS

1 stop25h 45mCathay Pacific

Deal found 13/5$2,183

Thu 11/922:00BOS - PER

1 stop25h 55mQatar Airways

Wed 17/915:40PER - BOS

1 stop35h 25mQatar Airways

Deal found 13/5$2,204

Tue 16/923:05BOS - PER

1 stop30h 30mEmirates

Thu 25/922:20PER - BOS

1 stop27h 50mEmirates

Deal found 13/5$2,398

Tue 16/916:30BOS - PER

2 stops49h 20mEtihad Airways

Fri 26/917:20PER - BOS

2 stops57h 35mEtihad Airways

Deal found 13/5$2,412

Mon 26/518:00BOS - PER

2 stops35h 05mQantas Airways

Thu 29/514:35PER - BOS

2 stops43h 59mQantas Airways

Deal found 12/5$2,622

Tue 16/916:45BOS - PER

3 stops33h 55mSingapore Airlines

Tue 23/917:10PER - BOS

3 stops37h 07mSingapore Airlines

Deal found 13/5$2,808

Sat 20/907:15BOS - PER

2 stops44h 45mAir New Zealand

Fri 26/914:35PER - BOS

2 stops38h 36mAir New Zealand

Deal found 13/5$2,970

Sat 24/517:10BOS - PER

2 stops50h 35mAustrian Airlines

Thu 12/609:20PER - BOS

2 stops40h 30mAustrian Airlines

Deal found 12/5$3,008

Tue 16/911:00BOS - PER

3 stops37h 30mUnited Airlines

Mon 22/923:45PER - BOS

2 stops32h 23mUnited Airlines

Deal found 13/5$3,123

Thu 18/912:15BOS - PER

3 stops39h 30mAir Canada

Mon 22/923:55PER - BOS

3 stops34h 44mAir Canada

Deal found 13/5$3,241

Last-minute flights from Boston to Perth
Discover last-minute flight deals from Boston to Perth. Data last updated 14 May 2025 and is based on user searches.

Sun 18/509:54BOS - PER

3 stops38h 36mUnited Airlines

Mon 9/623:45PER - BOS

2 stops32h 08mUnited Airlines

Deal found 12/5$3,115

Mon 19/516:30BOS - PER

2 stops58h 10mEtihad Airways

Fri 6/617:20PER - BOS

2 stops57h 35mEtihad Airways

Deal found 12/5$2,356

Mon 19/509:54BOS - PER

3 stops38h 36mUnited Airlines

Mon 9/623:45PER - BOS

2 stops33h 59mUnited Airlines

Deal found 12/5$3,115

Mon 19/520:05BOS - PER

2 stops47h 40mLufthansa

Mon 9/601:10PER - BOS

2 stops52h 30mLufthansa

Deal found 12/5$11,064

Mon 19/516:30BOS - PER

2 stops42h 40mEtihad Airways

Mon 9/617:20PER - BOS

2 stops57h 35mEtihad Airways

Deal found 12/5$2,356

Tue 20/522:00BOS - PER

1 stop32h 40mQatar Airways

Wed 11/622:45PER - BOS

1 stop28h 20mQatar Airways

Deal found 12/5$2,312

Tue 20/518:00BOS - PER

2 stops31h 35mQantas Airways

Mon 9/616:25PER - BOS

2 stops36h 51mQantas Airways

Deal found 13/5$2,617

Tue 20/501:40BOS - PER

1 stop42h 05mCathay Pacific

Mon 9/609:15PER - BOS

1 stop25h 45mCathay Pacific

Deal found 12/5$2,927

Tue 20/517:30BOS - PER

3 stops33h 10mSingapore Airlines

Sat 7/617:10PER - BOS

3 stops35h 08mSingapore Airlines

Deal found 12/5$4,508

Wed 21/516:30BOS - PER

2 stops44h 10mMultiple Airlines

Mon 9/612:25PER - BOS

2 stops38h 30mMultiple Airlines

Deal found 12/5$2,599

Wed 21/523:05BOS - PER

1 stop30h 30mEmirates

Thu 12/622:20PER - BOS

1 stop27h 50mEmirates

Deal found 12/5$2,667

Wed 21/510:40BOS - PER

3 stops41h 05mAir Canada

Tue 10/615:30PER - BOS

3 stops54h 25mAir Canada

Deal found 12/5$2,910

One-way flights from Boston to Perth
Search for one-way flight options from Boston to Perth. Find affordable one-way fares based on user searches. Data last updated 14 May 2025.

Wed 20/812:55BOS - PER

3 stops51h 35mMultiple Airlines

Deal found 13/5$905

Wed 20/822:00BOS - PER

1 stop25h 55mQatar Airways

Deal found 13/5$1,571

Tue 19/801:40BOS - PER

1 stop33h 00mCathay Pacific

Deal found 13/5$2,096

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Perth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Mon 1/9

16:30-00:40

2 stops44h 10m

Perth

Sat 20/9

12:25-14:55

2 stops38h 30m

$2,120

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Wed 10/9

01:40-22:40

1 stop33h 00m

Perth

Wed 17/9

09:15-23:00

1 stop25h 45m

$2,183

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Thu 11/9

22:00-11:55

1 stop25h 55m

Perth

Wed 17/9

15:40-15:05

1 stop35h 25m

$2,204

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Tue 16/9

23:05-17:35

1 stop30h 30m

Perth

Thu 25/9

22:20-14:10

1 stop27h 50m

$2,398

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Tue 16/9

16:30-05:50

2 stops49h 20m

Perth

Fri 26/9

17:20-14:55

2 stops57h 35m

$2,412

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Mon 26/5

18:00-17:05

2 stops35h 05m

Perth

Thu 29/5

14:35-22:34

2 stops43h 59m

$2,622

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Tue 16/9

16:45-14:40

3 stops33h 55m

Perth

Tue 23/9

17:10-18:17

3 stops37h 07m

$2,808

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Sat 20/9

07:15-16:00

2 stops44h 45m

Perth

Fri 26/9

14:35-17:11

2 stops38h 36m

$2,970

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Sat 24/5

17:10-07:45

2 stops50h 35m

Perth

Thu 12/6

09:20-13:50

2 stops40h 30m

$3,008

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Tue 16/9

11:00-12:30

3 stops37h 30m

Perth

Mon 22/9

23:45-20:08

2 stops32h 23m

$3,123

Flights are sorted by cheapest return flights first.

Deals found on 13/5

Showing 1-10 of 14 results

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, February is the cheapest month in which you can book a flight from Boston to Perth (average of $297). Flying from Boston to Perth in December is currently the most expensive (average of $409). 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?

Unlike in the morning, when flights are generally more expensive, you can save up to 3% on flights from Boston to Perth by exploring options for tickets at midday.

Rainfall in Perth by month

In terms of precipitation, rainfall in Perth ranges from 0.0 - 170.0 inches per month. June is typically the wettest month, when rainfall can reach 170.0 mm. January is typically the driest time to visit Perth when rainfall is around 0.0 mm.

Temperature in Perth by month

If weather is an important factor for your trip to Perth, 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 24.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 12.0 C).

Reviews of airlines servicing Perth

See what other customers who have flown with Singapore Airlines, Emirates and Air New Zealand from Boston to Perth have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.1

Very Good

1,294 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Singapore Airlines

8.1

Very Good

1,294 reviews

Singapore Airlines

8.1

Very Good

1,294 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Emirates

8.0

Very Good

3,229 reviews

Singapore Airlines

8.1

Very Good

1,294 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Air New Zealand

8.0

Very Good

476 reviews

Singapore Airlines

8.1

Very Good

1,294 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Austrian Airlines

7.6

Good

789 reviews

Singapore Airlines

8.1

Very Good

1,294 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Cathay Pacific

7.5

Good

865 reviews

Singapore Airlines

8.1

Very Good

1,294 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Related info for your journey

What are the cheapest airlines flying from Boston to Perth round-trip?
Our cheapest airline available from Boston to Perth is Cathay Pacific. Our recent data shows that you can find tickets from as low as $2,183 on this airline. Additional options worth looking into are Qatar Airways and Emirates, starting at $2,204 and $2,398 round-trip. You may be able to fly from Boston to Perth for 21% less than the average price by searching for these airlines.
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, February is the cheapest month in which you can book a flight from Boston to Perth (average of $297). Flying from Boston to Perth in December is currently the most expensive (average of $409). 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

Mandurah

Scarborough

Fremantle

Rottnest Island

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Direct flights to Albany

Direct flights to Newman

Direct flights to Monkey Mia

Direct flights to Paraburdoo

Direct flights to Onslow

Direct flights to Derby

Other flights to Perth

Fly with Cheapflights

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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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.

Cheap flights from Boston to Perth from $905

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 20/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Boston to Perth

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Boston to Perth

Cheapest flights from Boston to PerthExplore 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 14 May 2025.

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 14 May 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Perth that are best for you.

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.

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?

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 14 May 2025.

Rainfall in Perth by month

Plan your trip to Perth by taking into account the average rainfall totals by month.

Temperature in Perth by month

Plan your trip to Perth by taking into account the average temperature totals by month.

Reviews of airlines servicing Perth

Get insights into the airlines that provide service to Perth. 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 Perth. Reviews last updated 14 May 2025.

See what other customers who have flown with Singapore Airlines, Emirates and Air New Zealand from Boston to Perth have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

What are the cheapest airlines flying from Boston to Perth round-trip?

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

How can I find direct flights from Boston to Perth?

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

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

Travelling to a place near Boston?

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.

Complete your trip

Complete your trip to Perth by adding a car hire and/or hotel booking to your travel itinerary.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

Can Cheapflights find flights from Boston to Perth with no change fees?

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

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Travel Smart

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 14 May 2025.