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Cheap flights from Adelaide to Key Largo from $1,622

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
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 November 2025.

Round-trip from

$1,751

One-way from

$1,622

Popular in

January

Cheapest in

June

Average price

$2,445
United Airlines
  • United Airlines
  • 11/3-15/3
  • 4 total stops
  • 85h 40m total
  • Adelaide to Key Largo
Search Deals
Air New Zealand
  • Air New Zealand
  • 16/4
  • 2 total stops
  • 23h 25m total
  • Adelaide to Key Largo
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($393 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($91 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Adelaide to Key Largo

Enter your travel dates to find the best prices.

Cheapest flights from Adelaide to Key Largo
Explore the most affordable flight options available from Adelaide to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 November 2025.

Mon 22/1222:00ADL - MIA
1 stop33h 55mQatar Airways
Mon 5/119:15MIA - ADL
1 stop30h 20mQatar Airways
Deal found 6/11$3,549
Mon 22/1211:55ADL - MIA
3 stops38h 29mMultiple Airlines
Mon 29/1216:43MIA - ADL
2 stops26h 42mMultiple Airlines
Deal found 6/11$3,559
Mon 22/1214:55ADL - MIA
2 stops39h 39mUnited Airlines
Mon 5/106:20MIA - ADL
2 stops35h 40mUnited Airlines
Deal found 6/11$3,681
Mon 22/1214:55ADL - MIA
2 stops35h 29mUnited Airlines
Mon 29/1218:15MIA - ADL
1 stop23h 45mUnited Airlines
Deal found 6/11$3,684
Thu 18/1213:15ADL - MIA
3 stops35h 50mMultiple Airlines
Sat 3/108:00MIA - ADL
3 stops43h 15mMultiple Airlines
Deal found 6/11$3,758
Mon 22/1211:55ADL - MIA
3 stops38h 29mMultiple Airlines
Mon 5/106:20MIA - ADL
2 stops37h 05mMultiple Airlines
Deal found 6/11$3,761
Thu 18/1206:10ADL - MIA
2 stops40h 56mVirgin Australia
Sat 3/108:42MIA - ADL
1 stop33h 18mVirgin Australia
Deal found 6/11$3,772
Sat 20/1218:30ADL - MIA
2 stops41h 23mQantas Airways
Sat 27/1217:28MIA - ADL
2 stops48h 27mQantas Airways
Deal found 5/11$3,796
Mon 22/1222:00ADL - MIA
1 stop33h 55mQatar Airways
Mon 29/1219:15MIA - ADL
1 stop30h 20mQatar Airways
Deal found 6/11$3,827
Sat 20/1214:55ADL - MIA
2 stops30h 28mUnited Airlines
Sat 27/1211:56MIA - ADL
3 stops30h 04mUnited Airlines
Deal found 5/11$3,847
Sat 20/1222:00ADL - MIA
1 stop33h 55mJetBlue
Sat 27/1219:15MIA - ADL
1 stop30h 20mJetBlue
Deal found 5/11$3,981
Thu 18/1222:00ADL - MIA
1 stop51h 20mQatar Airways
Sat 3/123:30MIA - ADL
1 stop50h 05mQatar Airways
Deal found 6/11$4,244

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 November 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 11/3

13:55-11:15

2 stops35h 50m

Miami

Sun 15/3

16:10-08:30

2 stops49h 50m

$1,751

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Wed 11/3

06:25-07:24

2 stops39h 29m

Miami

Sun 15/3

15:30-13:00

2 stops31h 00m

$2,622

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Mon 22/12

11:55-10:54

2 stops38h 29m

Miami

Mon 29/12

16:43-10:55

2 stops26h 42m

$3,549

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Mon 22/12

11:55-10:54

3 stops38h 29m

Miami

Mon 29/12

16:43-10:55

2 stops26h 42m

$3,559

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Wed 11/3

22:40-10:05

1 stop49h 55m

Miami

Sun 15/3

23:55-20:50

1 stop30h 25m

$3,636

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Mon 22/12

14:55-15:04

2 stops39h 39m

Miami

Mon 5/1

06:20-09:30

2 stops35h 40m

$3,681

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Thu 16/4

15:55-20:41

3 stops42h 16m

$1,679

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Thu 16/4

21:40-10:10

1 stop50h 00m

$2,050

Flights are sorted by cheapest return flights first.

Deals found on 7/11

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 $853). Flying from Adelaide to Key Largo in August is currently the most expensive (average of $2,696). 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 November 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 November 2025.
Read reviews from past customers who have flown with Qantas Airways and United Airlines 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
929 reviews
Check prices

Overall

7.5

Comfort

7.5

Entertainment

7.2

Boarding

7.7

Crew

8.2

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
929 reviews
Qantas Airways
7.5
Good
929 reviews
Check prices

Overall

7.5

Comfort

7.5

Entertainment

7.2

Boarding

7.7

Crew

8.2

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.
United Airlines
7.4
Good
9,007 reviews
Qantas Airways
7.5
Good
929 reviews
Check prices

Overall

7.5

Comfort

7.5

Entertainment

7.2

Boarding

7.7

Crew

8.2

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 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 2 airlines. 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 United Airlines and American Airlines fly from Adelaide to Key Largo in about 35h 50m. The time it takes to get you to your destination can typically vary by up to 3h 39m. 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 $853). Flying from Adelaide to Key Largo in August is currently the most expensive (average of $2,696). 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 2 airlines flying from Adelaide to Key Largo

Discover the top 2 airlines 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 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,005Average$2,452FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$1,872Average$2,491FlexibilityNo 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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