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$733+ Cheap flights from Key Largo, FL to Perth (PER)

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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — PER
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Key Largo to Perth

Keep the following information in mind while searching for Key Largo to Perth flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,284
(Air Canada)

One-way from

$733
(Kiwi.com)

Popular in

February

Cheapest in

March

Average price

$1,899
Provider with most accurate pricing for Miami-Perth flight deals.
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Provider most trusted by Cheapflights users for Miami-Perth flights.
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From Key Largo to Perth
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One-way flight from Key Largo to Perth
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Highest demand for flights based on searches. 1% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Key Largo to Perth

Cheapest flights from Key Largo to Perth
Explore the most affordable flight options available from Key Largo to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Cathay Pacific deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:15 amMIA - PER
2 stops51h 40mCathay Pacific
Sun 11/1612:25 amPER - MIA
2 stops41h 48mCathay Pacific
Deal found 10/29$1,544
This Qantas Airways deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:35 pmMIA - PER
2 stops39h 00mQantas Airways
Mon 11/103:20 pmPER - MIA
2 stops40h 56mQantas Airways
Deal found 10/27$1,678
This oojo deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:35 pmMIA - PER
2 stops34h 45mQantas Airways
Tue 12/233:20 pmPER - MIA
2 stops41h 35mQantas Airways
Deal found 10/28$1,690
This KAYAK deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:44 amMIA - PER
2 stops37h 21mQantas Airways
Tue 12/235:45 pmPER - MIA
2 stops49h 09mQantas Airways
Deal found 10/28$1,747
This Cathay Pacific deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:35 pmMIA - PER
2 stops46h 20mMultiple Airlines
Tue 11/1812:25 amPER - MIA
2 stops33h 25mMultiple Airlines
Deal found 10/28$1,824
This Qantas Airways deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:35 pmMIA - PER
2 stops39h 00mQantas Airways
Wed 11/197:10 amPER - MIA
2 stops26h 10mQantas Airways
Deal found 10/28$1,857
This oojo deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:15 amMIA - PER
2 stops35h 40mCathay Pacific
Mon 12/2212:25 amPER - MIA
2 stops33h 35mCathay Pacific
Deal found 10/28$1,881
This Cathay Pacific deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:15 amMIA - PER
2 stops35h 40mMultiple Airlines
Mon 12/2212:25 amPER - MIA
2 stops33h 35mMultiple Airlines
Deal found 10/29$1,893
This Cathay Pacific deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:41 pmMIA - PER
2 stops40h 14mMultiple Airlines
Mon 12/2212:25 amPER - MIA
2 stops33h 35mMultiple Airlines
Deal found 10/28$1,943

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo 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 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Key Largo to Perth that are best for you.

Fly from

Key Largo

Fly to

Perth

Route

Depart

Return

Price

MiamiPerth

MIA - PER

MIAPER

Miami

Thu 11/13

6:15 am-10:55 pm

2 stops51h 40m

Perth

Sun 11/16

12:25 am-5:13 am

2 stops41h 48m

$1,544

MiamiPerth

MIA - PER

MIAPER

Miami

Thu 11/6

3:55 pm-12:25 pm

2 stops31h 30m

Perth

Mon 11/10

3:20 pm-9:59 pm

2 stops43h 39m

$1,736

MiamiPerth

MIA - PER

MIAPER

Miami

Thu 11/6

7:35 pm-6:55 am

2 stops46h 20m

Perth

Tue 11/18

12:25 am-8:50 pm

2 stops33h 25m

$1,824

MiamiPerth

MIA - PER

MIAPER

Miami

Sun 11/9

9:45 pm-5:20 pm

2 stops54h 35m

Perth

Tue 12/23

5:45 pm-5:54 am

2 stops49h 09m

$1,824

MiamiPerth

MIA - PER

MIAPER

Miami

Thu 1/1

5:28 pm-12:05 pm

2 stops29h 37m

Perth

Tue 1/20

7:15 am-8:39 pm

2 stops26h 24m

$1,873

MiamiPerth

MIA - PER

MIAPER

Miami

Mon 11/10

6:15 am-6:55 am

2 stops35h 40m

Perth

Mon 12/22

12:25 am-9:00 pm

2 stops33h 35m

$1,893

MiamiPerth

MIA - PER

MIAPER

Miami

Mon 11/10

6:15 am-6:55 am

2 stops35h 40m

Perth

Tue 12/23

8:30 am-7:55 pm

2 stops48h 25m

$1,909

MiamiPerth

MIA - PER

MIAPER

Miami

Sun 11/9

5:30 pm-10:55 pm

2 stops40h 25m

Perth

Mon 12/22

12:25 am-9:00 pm

2 stops33h 35m

$1,943

MiamiPerth

MIA - PER

MIAPER

Miami

Mon 1/26

6:31 pm-4:40 am

3 stops45h 09m

$733

MiamiPerth

MIA - PER

MIAPER

Miami

Mon 1/26

12:18 pm-2:45 pm

3 stops37h 27m

$825

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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

Have a flexible travel schedule? Discover the best time to fly to Perth from Key Largo with our price prediction graph.
Estimated round-trip 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 Key Largo to Perth

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

Currently, November is the cheapest month in which you can book a flight from Key Largo to Perth (average of $1,480). Flying from Key Largo to Perth in August is currently the most expensive (average of $2,682). 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 KE9 to PER?

Find hourly flight availability from Key Largo 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 October 30, 2025.

A simple way to save on the total cost of your ticket is to fly from Key Largo to Perth in the morning. If you’re flexible enough to do this you can expect to save up to 36% on your trip compared to booking a flight at noon.

How much does it cost to fly round-trip from Key Largo to Perth?

Related info for your journey

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

  • What airport do you fly into for flights to Perth from Key Largo?

    Located just 6.3 mi from the city center, Perth is the airport most travelers will use when flying to Perth from Key Largo. Booking flights from Key Largo to Perth (PER) should be relatively easy as there are 0 daily inbound flights from Key Largo from 0 different airlines.

  • How long is the flight from Key Largo to Perth?

    For as low as $1,736, Cathay Pacific can have you in Perth from Key Largo in 31h 30m. The distance between Key Largo and Perth is about 11359 mi. This flight may include one or multiple stops.

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

    Yes. In addition to deals on Key Largo to Perth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Key Largo to Perth?

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

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

    Yes. Cheapflights offers flight deals from Key Largo 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 Key Largo to Perth?

    Currently, November is the cheapest month in which you can book a flight from Key Largo to Perth (average of $1,480). Flying from Key Largo to Perth in August is currently the most expensive (average of $2,682). 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

Traveling to a place near Perth?

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Fremantle
Rottnest Island
Scarborough

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