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$76+ Cheap flights from Key Largo

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 14/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
MIA — SYD
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Key Largo

Discover essential information about flights departing from Key Largo, including flight schedules, destinations, airlines operating at the Key Largo airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 28 January 2026.

Cheapest one-way flight

$429

Cheapest airline

Qantas Airways

Most popular destination

Los Angeles (LAX)
The cheapest one-way flight from Key Largo is currently to Los Angeles.
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On average, Qantas Airways currently has the cheapest one-way flight from Key Largo (avg. price of $2,708).
Search Deals
Los Angeles (LAX) is currently the most popular flight destination from Key Largo (average return price of $1,121).
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Find flights from Key Largo

Enter your travel dates to find the best prices.

Cheapest flights from Key Largo
Explore the most affordable flight options available from Key Largo. Find the lowest fares based on data from user searches, with prices last updated on 28 January 2026.

Wed 11/318:54
MIA
-
LGA
Nonstop3h 11m
Frontier
Mon 16/322:55
LGA
-
MIA
Nonstop3h 14m
Frontier
Deal found 26/1$94
Thu 12/307:00
MIA
-
JFK
Nonstop3h 07m
Frontier
Tue 17/311:02
JFK
-
MIA
Nonstop3h 19m
Frontier
Deal found 26/1$94
Wed 11/307:00
MIA
-
JFK
Nonstop3h 07m
Frontier
Mon 16/311:02
JFK
-
MIA
Nonstop3h 19m
Frontier
Deal found 26/1$101
Thu 12/318:54
MIA
-
LGA
Nonstop3h 11m
Frontier
Sun 15/322:55
LGA
-
MIA
Nonstop3h 14m
Frontier
Deal found 26/1$105
Tue 17/206:02
MIA
-
LGA
Nonstop2h 58m
Spirit Airlines
Fri 20/220:45
LGA
-
MIA
Nonstop3h 14m
Spirit Airlines
Deal found 27/1$107
Fri 13/318:49
MIA
-
LGA
Nonstop3h 11m
Frontier
Fri 20/322:55
LGA
-
MIA
Nonstop3h 14m
Frontier
Deal found 26/1$112
Thu 12/307:00
MIA
-
JFK
Nonstop3h 07m
Frontier
Mon 16/311:02
JFK
-
MIA
Nonstop3h 19m
Frontier
Deal found 26/1$112
Tue 24/206:02
MIA
-
LGA
Nonstop2h 58m
Spirit Airlines
Tue 3/310:59
LGA
-
MIA
Nonstop3h 22m
Spirit Airlines
Deal found 27/1$115
Thu 26/216:01
MIA
-
LGA
Nonstop2h 59m
Spirit Airlines
Wed 4/311:59
LGA
-
MIA
Nonstop3h 06m
Spirit Airlines
Deal found 26/1$127
Wed 25/216:41
MIA
-
LGA
1 stop7h 06m
Spirit Airlines
Wed 4/311:59
LGA
-
MIA
Nonstop3h 06m
Spirit Airlines
Deal found 26/1$128
Thu 12/207:05
MIA
-
LGA
1 stop8h 54m
Multiple Airlines
Tue 17/222:00
LGA
-
MIA
Nonstop3h 14m
Multiple Airlines
Deal found 26/1$132
Fri 13/206:00
MIA
-
LGA
1 stop9h 49m
Spirit Airlines
Tue 17/220:45
LGA
-
MIA
Nonstop3h 14m
Spirit Airlines
Deal found 26/1$134

Find flights from Key Largo within your budget

 
Find flights departing from Key Largo that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 28 January 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

MiamiNew York

MIA - LGA

MIALGA

Miami

Thu 12/3

06:06-09:00

Nonstop2h 54m

New York LaGuardia

Mon 16/3

08:59-15:24

1 stop6h 25m

$147

MiamiNew York

MIA - LGA

MIALGA

Miami

Thu 12/2

16:01-19:00

Nonstop2h 59m

New York LaGuardia

Mon 16/2

08:59-15:46

1 stop6h 47m

$163

MiamiNew York

MIA - JFK

MIAJFK

Miami

Fri 27/2

19:59-23:09

Nonstop3h 10m

New York John F Kennedy Intl

Mon 2/3

11:10-14:29

Nonstop3h 19m

$212

MiamiNew York

MIA - JFK

MIAJFK

Miami

Fri 20/3

19:59-23:10

Nonstop3h 11m

New York John F Kennedy Intl

Tue 24/3

13:10-16:30

Nonstop3h 20m

$212

MiamiNew York

MIA - JFK

MIAJFK

Miami

Fri 20/3

19:59-23:10

Nonstop3h 11m

New York John F Kennedy Intl

Mon 23/3

15:30-18:54

Nonstop3h 24m

$212

MiamiNew York

MIA - JFK

MIAJFK

Miami

Fri 6/3

07:40-10:30

Nonstop2h 50m

New York John F Kennedy Intl

Mon 9/3

13:10-16:30

Nonstop3h 20m

$212

MiamiNew York

MIA - JFK

MIAJFK

Miami

Wed 29/4

17:46-21:00

Nonstop3h 14m

New York John F Kennedy Intl

Tue 5/5

19:57-23:29

Nonstop3h 32m

$212

MiamiNew York

MIA - LGA

MIALGA

Miami

Thu 26/2

10:05-16:59

1 stop6h 54m

New York LaGuardia

Thu 5/3

10:59-14:21

Nonstop3h 22m

$226

MiamiNew York

MIA - JFK

MIAJFK

Miami

Wed 25/2

07:40-10:30

Nonstop2h 50m

New York John F Kennedy Intl

Wed 25/2

15:29-18:54

Nonstop3h 25m

$226

MiamiNew York

MIA - JFK

MIAJFK

Miami

Thu 14/5

11:35-14:46

Nonstop3h 11m

New York John F Kennedy Intl

Mon 18/5

10:10-15:43

1 stop5h 33m

$226

Flights are sorted by cheapest return flights first.

Deals found on 26/1

Showing 1-10 of 60 results
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Best time to book a flight from Key Largo

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

Travel insights for flights from Key Largo

Get recent, data-driven insights about flights from Key Largo including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Key Largo?

Use this chart to determine the optimal time to book a return flight from Key Largo to Sydney. Price data was last updated on 23 January 2026.

The best time to book flights from Key Largo is 10 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, June is the cheapest month in which you can book a flight from Key Largo (average of $774). Flying from Key Largo in January will prove the most costly (average of $1,367). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Key Largo?

When flying from Key Largo check dates and pricing for the following: Qantas Airways, United Airlines, Fiji Airways. As they depart for the following popular destinations: Sydney.

Fiji Airways
Fiji Airways
From $1,733
Avianca
Avianca
From $368
Qantas Airways
Qantas Airways
From $1,488
United Airlines
United Airlines
From $1,237

Airline reviews for flights from Key Largo

Get insights into the airlines that provide service from 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 airline for your flight from Key Largo. In the last 7 days, Cheapflights users made a total of 647,157 searches.
Read reviews from past customers who have flown Fiji Airways, Qantas Airways, andUnited Airlines from Key Largo. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Fiji Airways
8.0
Very Good
222 reviews
Check prices

Overall

8.0

Food

7.4

Crew

8.5

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Fiji Airways
8.0
Very Good
222 reviews
Fiji Airways
8.0
Very Good
222 reviews
Check prices

Overall

8.0

Food

7.4

Crew

8.5

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Qantas Airways
7.5
Good
978 reviews
Fiji Airways
8.0
Very Good
222 reviews
Check prices

Overall

8.0

Food

7.4

Crew

8.5

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
United Airlines
7.4
Good
9,207 reviews
Fiji Airways
8.0
Very Good
222 reviews
Check prices

Overall

8.0

Food

7.4

Crew

8.5

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

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Related info for your journey

Access useful and relevant information related to your journey from Key Largo. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 28 January 2026.

  • Which is the cheapest airport to catch a flight from Key Largo?

    The cheapest routes to Jeju City can be found at Seoul Gimpo Intl airport from $24. While Busan Gimhae airport is usually cheaper if your destination is Jeju City with prices starting at $39. Reference our flight search to find the best deals in real time.

  • What is the cheapest month to fly from Key Largo?

    Currently, the cheapest month for flights from Key Largo is June. The most expensive month for flights is January. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • Where are the cheapest places to fly to from Key Largo?

    View the cheapest flight destinations from Key Largo:
    Fly from Seoul to Jeju City from $24 round trip
    Fly from Madrid to London from $48 round trip
    Fly from London to Málaga from $55 round trip
    Fly from Paris to Lisbon from $73 round trip
    Fly from London to Split from $73 round trip

  • How does Cheapflights help users find flights from Key Largo?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Key Largo. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

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

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

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

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

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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Fly with Cheapflights

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How does Cheapflights help users find flights from Key Largo?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Key Largo. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

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

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

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

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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