Find flights
When to book
Airlines
FAQs

Cheap flights from Perth to Key Largo from $1,275

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 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
PER — MIA
25 Jun — 2 Jul1
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 26 May 2026.

Mon 1/615:30
PER
-
MIA
2 stops38h 01m
United Airlines
Wed 17/618:35
MIA
-
PER
2 stops32h 05m
United Airlines
Deal found 24/5$2,159
Sun 31/523:45
PER
-
MIA
2 stops43h 54m
United Airlines
Sun 14/618:30
MIA
-
PER
2 stops30h 00m
United Airlines
Deal found 22/5$2,160
Sun 16/823:45
PER
-
MIA
2 stops31h 41m
Virgin Australia
Thu 17/916:58
MIA
-
PER
2 stops39h 12m
Virgin Australia
Deal found 24/5$2,202
Mon 20/722:40
PER
-
MIA
2 stops30h 49m
Virgin Australia
Fri 31/708:00
MIA
-
PER
2 stops48h 10m
Virgin Australia
Deal found 25/5$2,205
Sun 2/823:55
PER
-
MIA
2 stops43h 44m
Virgin Australia
Thu 27/816:58
MIA
-
PER
2 stops36h 12m
Virgin Australia
Deal found 25/5$2,212
Sun 2/823:55
PER
-
MIA
2 stops29h 34m
United Airlines
Thu 27/815:57
MIA
-
PER
3 stops58h 43m
United Airlines
Deal found 25/5$2,230
Tue 7/723:55
PER
-
MIA
2 stops29h 34m
Virgin Australia
Wed 15/708:00
MIA
-
PER
2 stops49h 10m
Virgin Australia
Deal found 23/5$2,576
Wed 9/910:35
PER
-
MIA
2 stops30h 32m
American Airlines
Wed 30/916:42
MIA
-
PER
2 stops30h 33m
American Airlines
Deal found 25/5$2,587
Tue 4/815:30
PER
-
MIA
2 stops37h 59m
United Airlines
Tue 11/816:58
MIA
-
PER
2 stops48h 12m
United Airlines
Deal found 21/5$2,640
Tue 7/723:55
PER
-
MIA
3 stops41h 56m
Multiple Airlines
Wed 15/706:30
MIA
-
PER
3 stops50h 40m
Multiple Airlines
Deal found 23/5$2,672
Mon 1/615:30
PER
-
MIA
3 stops56h 43m
Multiple Airlines
Wed 17/613:10
MIA
-
PER
3 stops37h 45m
Multiple Airlines
Deal found 24/5$2,708

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 26 May 2026.

Round-trip from

$2,159

One-way from

$1,275

Popular in

June

Cheapest in

August

Average price

$2,280
United Airlines
  • United Airlines
  • 4/8-11/8
  • 5 total stops
  • 96h 42m total
  • Perth to Key Largo
Search Deals
15/7
  • 15/7
  • 3 total stops
  • 46h 53m total
  • Perth to Key Largo
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($453 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($113 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
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 26 May 2026.
Use the filters below to find and compare flights from Perth to Key Largo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PerthMiami

PER - MIA

PERMIA

Perth

Tue 4/8

15:30-17:29

2 stops37h 59m

Miami

Tue 11/8

15:57-14:40

3 stops58h 43m

$2,159

PerthMiami

PER - MIA

PERMIA

Perth

Sun 2/8

23:55-17:29

2 stops29h 34m

Miami

Thu 27/8

15:57-14:40

3 stops58h 43m

$2,230

PerthMiami

PER - MIA

PERMIA

Perth

Sun 16/8

23:45-19:26

2 stops31h 41m

Miami

Thu 17/9

15:57-12:30

3 stops56h 33m

$2,230

PerthMiami

PER - MIA

PERMIA

Perth

Wed 9/9

06:25-23:18

2 stops28h 53m

Miami

Wed 30/9

15:30-11:15

3 stops31h 45m

$2,982
Fastest return journey

PerthMiami

PER - MIA

PERMIA

Perth

Wed 9/9

22:45-16:40

1 stop29h 55m

Miami

Wed 30/9

19:40-11:55

1 stop28h 15m

$3,079

PerthMiami

PER - MIA

PERMIA

Perth

Sun 19/7

00:25-11:12

3 stops46h 47m

Miami

Fri 31/7

06:30-16:00

3 stops45h 30m

$3,176

PerthMiami

PER - MIA

PERMIA

Perth

Sun 2/8

22:45-16:40

1 stop29h 55m

Miami

Thu 27/8

19:40-18:35

1 stop34h 55m

$3,540

PerthMiami

PER - MIA

PERMIA

Perth

Tue 7/7

22:45-16:40

1 stop29h 55m

Miami

Wed 15/7

19:40-18:35

1 stop34h 55m

$3,577

PerthMiami

PER - MIA

PERMIA

Perth

Sun 2/8

22:20-10:00

1 stop47h 40m

Miami

Thu 27/8

23:55-00:40

2 stops60h 45m

$3,593

PerthMiami

PER - MIA

PERMIA

Perth

Tue 4/8

15:30-12:13

3 stops56h 43m

Miami

Tue 11/8

13:05-14:55

3 stops37h 50m

$3,605

Flights are sorted by cheapest return flights first.

Deals found on 24/5

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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

How much does it cost for a return flight from Perth to Key Largo?

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 26 May 2026.
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
1,042 reviews
Check prices

Entertainment

7.2

Comfort

7.5

Crew

8.1

Boarding

7.7

Overall

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!
Qantas Airways
7.5
Good
1,042 reviews
Qantas Airways
7.5
Good
1,042 reviews
Check prices

Entertainment

7.2

Comfort

7.5

Crew

8.1

Boarding

7.7

Overall

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!
Qatar Airways
7.4
Good
3,726 reviews
Qantas Airways
7.5
Good
1,042 reviews
Check prices

Entertainment

7.2

Comfort

7.5

Crew

8.1

Boarding

7.7

Overall

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!

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 37h 59m. United Airlines provides one of the quickest options available for as low as $2,159. The distance from Perth to Key Largo is about 18281 km.

  • 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.

See more FAQs

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.

Alternative routes for Perth to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.
Perth to Orlando flights
Perth to Miami flights
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 26 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,622Average$1,987FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Qatar AirwaysCheapest$2,043Average$2,436FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

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.