Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Boston to Perth from $2,186

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Perth departing on 28/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Boston to Perth

Cheap return flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
21:40 - 21:10
BOS
-
PER
35h 30m
2 stops
Qatar Airways Logo
22:45 - 22:46
PER
-
BOS
37h 01m
2 stops
$2,186Qatar Airways
Wed, 28 Oct - Wed, 4 Nov
American Airlines Logo
16:59 - 11:15
BOS
-
PER
30h 16m
2 stops
American Airlines Logo
10:35 - 07:36
PER
-
BOS
33h 01m
2 stops
$2,232American Airlines
Fri, 14 Aug - Wed, 26 Aug
Qantas Airways Logo
16:59 - 12:25
BOS
-
PER
31h 26m
2 stops
Qantas Airways Logo
17:55 - 23:28
PER
-
BOS
41h 33m
2 stops
$2,270Qantas Airways
Sat, 5 Sep - Sat, 19 Sep
United Airlines Logo
14:00 - 14:05
BOS
-
PER
36h 05m
2 stops
United Airlines Logo
23:45 - 21:02
PER
-
BOS
33h 17m
2 stops
$2,282United Airlines
Mon, 17 Aug - Mon, 28 Sep
United Airlines Logo
18:35 - 11:40
BOS
-
PER
29h 05m
2 stops
United Airlines Logo
23:45 - 23:59
PER
-
BOS
36h 14m
3 stops
$2,283United Airlines
Mon, 17 Aug - Mon, 28 Sep
United Airlines Logo
14:00 - 14:05
BOS
-
PER
36h 05m
2 stops
United Airlines Logo
23:45 - 21:02
PER
-
BOS
33h 17m
2 stops
$2,285United Airlines
Mon, 17 Aug - Mon, 28 Sep
United Airlines Logo
09:20 - 14:40
BOS
-
PER
41h 20m
2 stops
United Airlines Logo
15:30 - 21:59
PER
-
BOS
42h 29m
3 stops
$2,292United Airlines
Tue, 11 Aug - Tue, 18 Aug
United Airlines Logo
06:21 - 11:40
BOS
-
PER
41h 19m
2 stops
United Airlines Logo
15:30 - 22:59
PER
-
BOS
43h 29m
2 stops
$2,311United Airlines
Mon, 10 Aug - Mon, 17 Aug
United Airlines Logo
17:01 - 14:05
BOS
-
PER
57h 04m
3 stops
United Airlines Logo
13:15 - 23:59
PER
-
BOS
46h 44m
3 stops
$2,318United Airlines
Sat, 22 Aug - Sat, 29 Aug
Emirates Logo
23:05 - 17:35
BOS
-
PER
30h 30m
1 stop
Emirates Logo
22:20 - 14:10
PER
-
BOS
27h 50m
1 stop
$2,319Emirates
Mon, 17 Aug - Mon, 28 Sep

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from Boston to Perth

Our best United Airlines deals on Boston to Perth flight tickets
United Airlines
17 Aug
BOS14:00Boston Logan Intl
36h 05m
2 stops
PER14:05Perth
28 Sept
PER23:45Perth
33h 17m
2 stops
BOS21:02Boston Logan Intl
$2,282
United Airlines
17 Aug
BOS18:35Boston Logan Intl
29h 05m
2 stops
PER11:40Perth
28 Sept
PER23:45Perth
36h 14m
3 stops
BOS23:59Boston Logan Intl
$2,283
United Airlines
17 Aug
BOS14:00Boston Logan Intl
36h 05m
2 stops
PER14:05Perth
28 Sept
PER23:45Perth
33h 17m
2 stops
BOS21:02Boston Logan Intl
$2,285

Emirates flights from Boston to Perth

Our best Emirates deals on Boston to Perth flight tickets
Emirates
17 Aug
BOS23:05Boston Logan Intl
30h 30m
1 stop
PER17:35Perth
28 Sept
PER22:20Perth
27h 50m
1 stop
BOS14:10Boston Logan Intl
$2,319
Emirates
17 Aug
BOS23:05Boston Logan Intl
30h 30m
1 stop
PER17:35Perth
28 Sept
PER22:20Perth
27h 50m
1 stop
BOS14:10Boston Logan Intl
$2,321
Emirates
1 Nov
BOS22:10Boston Logan Intl
30h 10m
1 stop
PER17:20Perth
12 Nov
PER22:20Perth
28h 35m
1 stop
BOS13:55Boston Logan Intl
$2,358

momondo 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, momondo users made 78,305 searches. Data last updated 28 June 2026.
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

Cheapest return flight

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Wed 28/10

21:40-21:10

2 stops35h 30m

Perth

Wed 4/11

22:45-22:46

2 stops37h 01m

$2,186

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Fri 14/8

16:59-11:15

2 stops30h 16m

Perth

Wed 26/8

10:35-07:36

2 stops33h 01m

$2,232

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Sat 5/9

16:59-12:25

2 stops31h 26m

Perth

Sat 19/9

17:55-23:28

2 stops41h 33m

$2,270

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Mon 17/8

14:00-14:05

2 stops36h 05m

Perth

Mon 28/9

23:45-21:02

2 stops33h 17m

$2,282

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Mon 17/8

18:35-11:40

2 stops29h 05m

Perth

Mon 28/9

23:45-23:59

3 stops36h 14m

$2,283

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Mon 17/8

14:00-14:05

2 stops36h 05m

Perth

Mon 28/9

23:45-21:02

2 stops33h 17m

$2,285

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Tue 11/8

09:20-14:40

2 stops41h 20m

Perth

Tue 18/8

15:30-21:59

3 stops42h 29m

$2,292

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Mon 10/8

06:21-11:40

2 stops41h 19m

Perth

Mon 17/8

15:30-22:59

2 stops43h 29m

$2,311

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Sat 22/8

17:01-14:05

3 stops57h 04m

Perth

Sat 29/8

13:15-23:59

3 stops46h 44m

$2,318
Fastest return journey

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Mon 17/8

23:05-17:35

1 stop30h 30m

Perth

Mon 28/9

22:20-14:10

1 stop27h 50m

$2,319

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

See travel insights to Perth from

How to get the cheapest flight ticket from Boston to Perth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Boston and Perth?

What is the cheapest month to fly to Perth?

The month of February is, on average, the cheapest month to fly to Perth from Boston, with most prices found around $2,209. If you’re not able to fly to Perth in February, then September is your next best option. Flight prices from Boston to Perth during September average around $2,237.

Can stopping save me money on Boston to Perth flights?

You could potentially save up to 22% on your flight if you consider stops on a Boston to Perth flight.

When to book flights from Boston to Perth

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Perth according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Boston to Perth (BOS to PER) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Perth

Fastest flight time

30h 10m

Direct flights

None
The fastest flight from Boston to Perth takes 30h 10m
There are no direct flights from Boston to Perth. There are no popular flight routes from Boston to Perth.
Search flight deals

Frequently asked questions about flying from Boston to Perth

  • How far is Boston Logan Intl to Perth by plane?

    The straight-line distance from Boston Logan Intl to Perth is 18693.4 km. Typically, this will take 30h 10m by plane in normal conditions.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Perth Airport?

    Prices for flights from Boston Logan Intl Airport to Perth Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Boston Logan Intl Airport to Perth Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Perth Airport.

  • What documentation or ID do you need to fly to Perth Airport?

    The travel and health documents required for your trip to Perth Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Perth Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Perth?

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

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Perth?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to Perth. momondo saves you time and could save you money on your trip.

Can I find flights from Boston to Perth with flexible booking policies on momondo?

All flight searches from Boston to Perth on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Boston to Perth?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boston to Perth.

I’m not ready to book a flight from Boston to Perth right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Boston to Perth flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Perth trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 28/7
Tue 4/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia