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Cheap flights from Adelaide to Key Largo from $1,720

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 16/4. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — MIA
6 Jan — 13 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Adelaide to Key Largo

Enter your travel dates to find the best prices.

Best flights from Adelaide to Key Largo
Discover carefully curated flight deals from Adelaide to Key Largo that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 December 2025.

Wed 21/106:10ADL - MIA
2 stops26h 59mAir Canada
Wed 28/118:40MIA - ADL
2 stops36h 20mAir Canada
Deal found 7/12$2,123
Fri 1/512:05ADL - MIA
3 stops36h 33mMultiple Airlines
Wed 13/516:53MIA - ADL
2 stops28h 32mMultiple Airlines
Deal found 7/12$2,322
Thu 29/107:50ADL - MIA
2 stops36h 58mAmerican Airlines
Mon 2/212:02MIA - ADL
2 stops33h 28mAmerican Airlines
Deal found 5/12$2,609
Wed 21/114:55ADL - MIA
1 stop32h 26mUnited Airlines
Wed 28/112:18MIA - ADL
2 stops53h 42mUnited Airlines
Deal found 7/12$3,127
Thu 29/108:30ADL - MIA
2 stops38h 51mVirgin Australia
Mon 2/218:15MIA - ADL
1 stop23h 45mVirgin Australia
Deal found 5/12$3,508
Thu 29/106:00ADL - MIA
3 stops33h 46mAir Canada
Mon 2/218:40MIA - ADL
2 stops30h 10mAir Canada
Deal found 5/12$2,672

Find flight deals from Adelaide to Key Largo

Keep the following information in mind while searching for Adelaide to Key Largo flight deals. Data was last updated 7 December 2025.

Round-trip from

$2,021

One-way from

$1,720

Popular in

January

Cheapest in

June

Average price

$1,866
Air New Zealand
  • Air New Zealand
  • 19/1-26/1
  • 4 total stops
  • 62h 34m total
  • Adelaide to Key Largo
Search Deals
Cathay Pacific
  • Cathay Pacific
  • 16/4
  • 3 total stops
  • 47h 24m total
  • Adelaide to Key Largo
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($102 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 Adelaide 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 7 December 2025.
Use the filters below to find and compare flights from Adelaide to Key Largo that are best for you.

Fly from

Adelaide

Fly to

Key Largo

Route

Depart

Return

Price

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Wed 21/1

06:10-17:39

2 stops26h 59m

Miami

Wed 28/1

18:40-22:30

2 stops36h 20m

$2,123

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Fri 1/5

12:05-11:08

3 stops36h 33m

Miami

Wed 13/5

16:53-10:55

2 stops28h 32m

$2,322

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Thu 29/1

07:50-05:18

2 stops36h 58m

Miami

Mon 2/2

12:02-13:00

2 stops33h 28m

$2,609

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Thu 29/1

06:00-00:16

3 stops33h 46m

Miami

Mon 2/2

18:40-16:20

2 stops30h 10m

$2,672

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Wed 21/1

14:55-07:51

1 stop32h 26m

Miami

Wed 28/1

12:18-09:30

2 stops53h 42m

$3,127

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Thu 29/1

08:30-07:51

2 stops38h 51m

Miami

Mon 2/2

18:15-09:30

1 stop23h 45m

$3,508

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Thu 16/4

19:45-05:39

3 stops47h 24m

$1,720

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Thu 16/4

20:00-16:34

2 stops34h 04m

$1,750

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Thu 16/4

21:40-10:35

1 stop50h 25m

$2,039

Flights are sorted by cheapest return flights first.

Deals found on 6/12

Best time to book a flight from Adelaide to Key Largo

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

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

Currently, December is the cheapest month in which you can book a flight from Adelaide to Key Largo (average of $813). Flying from Adelaide to Key Largo in August is currently the most expensive (average of $2,636). 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 ADL to KE9?

Find hourly flight availability from Adelaide 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 7 December 2025.

It’s optimal to fly from Adelaide to Key Largo in the morning. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight in the afternoon.

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 7 December 2025.
Read reviews from past customers who have flown with Qantas Airways from Adelaide to Key Largo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
948 reviews
Check prices

Boarding

7.7

Comfort

7.5

Crew

8.1

Food

7.0

Overall

7.5

Entertainment

7.2

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
948 reviews
Qantas Airways
7.5
Good
948 reviews
Check prices

Boarding

7.7

Comfort

7.5

Crew

8.1

Food

7.0

Overall

7.5

Entertainment

7.2

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 Adelaide 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 Adelaide to Key Largo?

    Most people fly from Adelaide (ADL) if they book a flight from Adelaide to Key Largo. On average, Adelaide has 0 outbound flights to Key Largo per day from 1 airline. Adelaide is conveniently located just 6.6 km from Adelaide’s city centre.

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

    Airlines like Air Canada and American Airlines fly from Adelaide to Key Largo in about 26h 59m. The time it takes to get you to your destination can typically vary by up to 9h 59m. The distance from Adelaide to Key Largo is about 16169 km. Both multi-stop and direct flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Adelaide to Key Largo (average of $813). Flying from Adelaide to Key Largo in August is currently the most expensive (average of $2,636). 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 Adelaide to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Adelaide to Key Largo

Discover the top airline that operate flights from Adelaide 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 7 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,728Average$2,391FlexibilityNo cancel feeOn-time74%
Search Qantas 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 Adelaide to Key Largo?

Deals for Adelaide to Key Largo flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Adelaide to Key Largo for you. Better yet — we are completely free to use.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Adelaide to Key Largo, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Key Largo from Adelaide today and book when prices fit your budget.

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