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Perth

$844+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — PER
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:15 pmMIA - PER
2 stops48h 35mMultiple Airlines
Wed 1/73:55 pmPER - MIA
1 stop37h 30mMultiple Airlines
Deal found 12/16$3,093
This KLM deal was found by Cheapflights users on 12/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:00 pmMIA - PER
2 stops38h 55mKLM
Wed 1/73:35 pmPER - MIA
3 stops36h 15mKLM
Deal found 12/16$3,291
This Gotogate deal was found by Cheapflights users on 12/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:55 pmMIA - PER
3 stops46h 15mLATAM Airlines
Wed 1/710:45 pmPER - MIA
3 stops56h 10mLATAM Airlines
Deal found 12/16$4,050

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,439
(Expedia)

One-way from

$844
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$2,775
Provider with most accurate pricing for Miami-Perth flight deals.
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Provider most trusted by Cheapflights users for Miami-Perth flights.
Search Deals
From Key Largo to Perth
Search Deals
One-way flight from Key Largo to Perth
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($356 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($58 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 18, 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

Wed 2/25

3:47 pm-12:25 pm

2 stops31h 38m

Perth

Wed 3/18

10:55 pm-7:43 pm

2 stops32h 48m

$1,449

MiamiPerth

MIA - PER

MIAPER

Miami

Sun 2/1

7:55 pm-10:55 pm

2 stops62h 00m

Perth

Mon 2/16

8:30 am-8:28 pm

2 stops48h 58m

$1,492

MiamiPerth

MIA - PER

MIAPER

Miami

Mon 3/2

1:40 pm-10:55 pm

2 stops44h 15m

Perth

Tue 3/17

12:25 am-5:45 am

2 stops41h 20m

$1,539

MiamiPerth

MIA - PER

MIAPER

Miami

Thu 3/5

1:40 pm-10:55 pm

2 stops44h 15m

Perth

Mon 3/16

12:25 am-8:24 pm

2 stops31h 59m

$1,539

MiamiPerth

MIA - PER

MIAPER

Miami

Tue 3/3

6:00 am-6:55 am

2 stops59h 55m

Perth

Tue 3/17

12:25 am-5:45 am

2 stops41h 20m

$1,539

MiamiPerth

MIA - PER

MIAPER

Miami

Wed 3/18

7:00 am-10:55 pm

2 stops51h 55m

Perth

Wed 4/15

9:15 am-5:39 am

2 stops32h 24m

$1,539

MiamiPerth

MIA - PER

MIAPER

Miami

Tue 3/3

1:40 pm-6:55 am

2 stops52h 15m

Perth

Thu 3/19

8:30 am-5:45 am

2 stops33h 15m

$1,539

MiamiPerth

MIA - PER

MIAPER

Miami

Mon 3/2

6:00 am-6:55 am

2 stops59h 55m

Perth

Thu 3/19

8:30 am-5:45 am

2 stops33h 15m

$1,539

MiamiPerth

MIA - PER

MIAPER

Miami

Fri 2/20

6:40 pm-12:25 pm

2 stops28h 45m

Perth

Tue 2/24

3:20 pm-7:26 pm

2 stops41h 06m

$1,541

MiamiPerth

MIA - PER

MIAPER

Miami

Tue 3/3

9:40 am-6:55 am

2 stops32h 15m

Perth

Thu 3/19

12:25 am-10:21 pm

2 stops33h 56m

$1,559

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 16 results
1
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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 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 December 18, 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.

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 December 18, 2025.
Read through reviews of airlines operating flights from Key Largo to Perth, such as Qantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
947 reviews

Comfort

7.5

Entertainment

7.2

Boarding

7.7

Crew

8.1

Overall

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Qantas Airways
7.5
Good
947 reviews
Qantas Airways
7.5
Good
947 reviews

Comfort

7.5

Entertainment

7.2

Boarding

7.7

Crew

8.1

Overall

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.

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 1 airline.

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

    For as low as $1,449, Qantas Airways can have you in Perth from Key Largo in 31h 38m. 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.

See more FAQs

Traveling to a place near Perth?

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

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Alternative routes for Key Largo to Perth

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Top airline flying from Key Largo to Perth

Discover the top airline that operate flights from Key Largo to Perth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,515Average$2,184FlexibilityNo cancel feeOn-time74%

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