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Cheap flights from Perth to Key Largo from $1,155

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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
PER — MIA
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Perth to Key Largo

Enter your travel dates to find the best prices.

Cheapest flights from Perth to Key Largo
Explore the most affordable flight options available from Perth to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Tue 23/1222:45PER - MIA
1 stop48h 05mQatar Airways
Thu 22/123:30MIA - PER
1 stop30h 15mQatar Airways
Deal found 10/12$3,238
Wed 24/1215:55PER - MIA
1 stop37h 30mQatar Airways
Thu 8/123:30MIA - PER
1 stop30h 15mQatar Airways
Deal found 10/12$3,837
Wed 24/1207:30PER - MIA
2 stops35h 24mQantas Airways
Thu 8/117:55MIA - PER
2 stops33h 20mQantas Airways
Deal found 10/12$3,952
Thu 25/1223:45PER - MIA
2 stops44h 51mVirgin Australia
Sun 4/108:42MIA - PER
2 stops41h 03mVirgin Australia
Deal found 11/12$3,991
Thu 25/1223:45PER - MIA
3 stops32h 00mUnited Airlines
Sun 4/108:42MIA - PER
2 stops41h 03mUnited Airlines
Deal found 11/12$3,998
Fri 26/1223:45PER - MIA
3 stops32h 00mUnited Airlines
Sun 4/108:42MIA - PER
2 stops41h 03mUnited Airlines
Deal found 11/12$4,087
Wed 24/1222:40PER - MIA
2 stops53h 22mAmerican Airlines
Sun 4/115:30MIA - PER
2 stops31h 55mAmerican Airlines
Deal found 11/12$4,237

Find flight deals from Perth to Key Largo

Keep the following information in mind while searching for Perth to Key Largo flight deals. Data was last updated 12 December 2025.

Round-trip from

$2,242

One-way from

$1,155

Popular in

December

Cheapest in

March

Average price

$3,459
Qatar Airways
  • Qatar Airways
  • 3/2-18/2
  • 3 total stops
  • 88h 34m total
  • Perth to Key Largo
Search Deals
18/1
  • 18/1
  • 3 total stops
  • 59h 15m total
  • Perth to Key Largo
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($246 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($110 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Perth to Key Largo 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 12 December 2025.
Use the filters below to find and compare flights from Perth to Key Largo that are best for you.

Fly from

Perth

Fly to

Key Largo

Route

Depart

Return

Price

PerthMiami

PER - MIA

PERMIA

Perth

Tue 3/2

22:45-16:25

1 stop30h 40m

Miami

Wed 18/2

19:11-11:55

2 stops51h 44m

$2,245

PerthMiami

PER - MIA

PERMIA

Perth

Tue 3/2

16:45-17:39

2 stops37h 54m

Miami

Wed 18/2

18:40-22:15

2 stops38h 35m

$2,296

PerthMiami

PER - MIA

PERMIA

Perth

Fri 20/2

18:50-10:55

3 stops53h 05m

Miami

Thu 26/2

16:45-22:20

2 stops40h 35m

$2,427

PerthMiami

PER - MIA

PERMIA

Perth

Tue 20/1

22:30-17:39

2 stops32h 09m

Miami

Mon 26/1

18:40-22:15

2 stops38h 35m

$2,456

PerthMiami

PER - MIA

PERMIA

Perth

Tue 20/1

22:30-17:39

2 stops32h 09m

Miami

Mon 26/1

07:25-20:20

3 stops47h 55m

$2,648

PerthMiami

PER - MIA

PERMIA

Perth

Wed 21/1

22:55-00:16

3 stops38h 21m

Miami

Wed 18/2

18:40-21:35

2 stops37h 55m

$2,687

PerthMiami

PER - MIA

PERMIA

Perth

Fri 20/2

22:55-10:40

3 stops48h 45m

Miami

Thu 26/2

12:20-14:30

3 stops37h 10m

$2,688

PerthMiami

PER - MIA

PERMIA

Perth

Sat 18/4

23:50-10:56

3 stops47h 06m

Miami

Mon 18/5

06:15-16:00

3 stops45h 45m

$2,780

PerthMiami

PER - MIA

PERMIA

Perth

Sun 18/1

20:40-18:55

3 stops59h 15m

$1,155

PerthMiami

PER - MIA

PERMIA

Perth

Mon 19/1

05:35-18:55

3 stops50h 20m

$1,199

Flights are sorted by cheapest return flights first.

Deals found on 9/12

Showing 1-10 of 14 results
1
2

Best time to book a flight from Perth to Key Largo

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

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

Currently, September is the cheapest month in which you can book a flight from Perth to Key Largo (average of $1,744). Flying from Perth to Key Largo in June is currently the most expensive (average of $2,779). 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 PER to KE9?

Find hourly flight availability from Perth to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.

One of the essential ways to save on airfare from Perth to Key Largo is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at midday could potentially save you up to 8% on airfare.

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. 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 Key Largo. Reviews last updated 12 December 2025.
See what other customers who have flown with Qantas Airways and Qatar Airways from Perth to Key Largo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
947 reviews
Check prices

Food

7.0

Comfort

7.5

Crew

8.1

Entertainment

7.2

Overall

7.5

Boarding

7.7

Reviews

1 / 20
6.0
Good

Marco,Dec 2025

BOS - LAX

There was no WiFi or tv traveling from LAX to Sydney. Way too long of a flight to have nothing.
Qantas Airways
7.5
Good
947 reviews
Qantas Airways
7.5
Good
947 reviews
Check prices

Food

7.0

Comfort

7.5

Crew

8.1

Entertainment

7.2

Overall

7.5

Boarding

7.7

Reviews

1 / 20
6.0
Good

Marco,Dec 2025

BOS - LAX

There was no WiFi or tv traveling from LAX to Sydney. Way too long of a flight to have nothing.
Qatar Airways
7.4
Good
3,677 reviews
Qantas Airways
7.5
Good
947 reviews
Check prices

Food

7.0

Comfort

7.5

Crew

8.1

Entertainment

7.2

Overall

7.5

Boarding

7.7

Reviews

1 / 20
6.0
Good

Marco,Dec 2025

BOS - LAX

There was no WiFi or tv traveling from LAX to Sydney. Way too long of a flight to have nothing.

Related info for your journey

Find useful and relevant information for your journey from Perth to Key Largo. 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 from for flights from Perth to Key Largo?

    Most people fly from Perth (PER) if they book a flight from Perth to Key Largo. On average, Perth has 0 outbound flights to Key Largo per day from 2 airlines. Perth is conveniently located just 10.2 km from Perth’s city centre.

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

    A quick flight from Perth to Key Largo can take about 30h 40m. Qatar Airways provides one of the quickest options available for as low as $2,245. The distance from Perth to Key Largo is about 18281 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Perth to Key Largo (average of $1,744). Flying from Perth to Key Largo in June is currently the most expensive (average of $2,779). 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

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Alternative routes for Perth to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.
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Perth to Fort Lauderdale flights

Top 2 airlines flying from Perth to Key Largo

Discover the top 2 airlines that operate flights from Perth to Key Largo. 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 647,157 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,747Average$2,642FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Qatar AirwaysCheapest$2,227Average$2,612FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

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 Perth to Key Largo?

Cheapflights helps you search for flights from Perth to Key Largo via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Key Largo from Perth.

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

Yes! Cheapflights helps users easily find flights from Perth to Key Largo with no change fees.

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

Yes! Start tracking prices for Perth to Key Largo flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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