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£56+ Cheap flights from Key Largo

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/2. 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 — LHR
27 Dec — 3 Jan1
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 27 November 2025.

Cheapest one-way flight

£22

Cheapest round-trip flight

£189

Cheapest airline

Spirit Airlines

Most popular destination

London Heathrow (LHR)
The cheapest one-way flight from Key Largo is currently to New York John F Kennedy Intl.
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The cheapest round-trip flight from Key Largo is currently to San Juan Luis Munoz Marin Intl.
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On average, Spirit Airlines currently has the cheapest one-way flight from Key Largo (avg. price of £175).
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London Heathrow (LHR) is currently the most popular flight destination from Key Largo (average return price of £391).
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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 27 November 2025.

Sun 19/411:20MIA - MDE
1 stop6h 25mAvianca
Tue 21/420:52MDE - MIA
1 stop6h 13mAvianca
Deal found 25/11£190
Sun 25/118:35MIA - MDE
Nonstop3h 40mAvianca
Tue 27/123:50MDE - MIA
Nonstop3h 45mAvianca
Deal found 25/11£203
Mon 8/1204:59MIA - MDE
1 stop5h 57mCopa Airlines
Fri 12/1212:42MDE - MIA
1 stop9h 03mCopa Airlines
Deal found 25/11£205
Thu 12/205:36MIA - MDE
1 stop5h 20mCopa Airlines
Sun 15/210:46MDE - MIA
1 stop10h 38mCopa Airlines
Deal found 25/11£209
Sat 6/1205:34MIA - MDE
1 stop5h 22mCopa Airlines
Sat 13/1205:00MDE - MIA
1 stop6h 21mCopa Airlines
Deal found 25/11£213
Thu 11/1205:34MIA - MDE
1 stop9h 11mCopa Airlines
Mon 15/1209:17MDE - MIA
1 stop12h 05mCopa Airlines
Deal found 25/11£217
Wed 18/205:36MIA - MDE
1 stop5h 20mCopa Airlines
Sat 21/208:37MDE - MIA
1 stop12h 47mCopa Airlines
Deal found 24/11£219
Mon 8/1205:34MIA - MDE
1 stop5h 22mCopa Airlines
Mon 15/1209:17MDE - MIA
1 stop6h 28mCopa Airlines
Deal found 26/11£220
Tue 20/112:53MIA - MDE
1 stop13h 12mDelta
Sat 31/108:25MDE - MIA
1 stop6h 28mDelta
Deal found 25/11£224
Thu 15/116:20MIA - MDE
2 stops22h 20mDelta
Wed 21/107:20MDE - MIA
1 stop7h 33mDelta
Deal found 26/11£225
Thu 12/205:01MIA - MDE
1 stop5h 55mCopa Airlines
Mon 16/208:37MDE - MIA
1 stop7h 04mCopa Airlines
Deal found 25/11£228
Wed 14/116:35MIA - MAN
1 stop18h 40mTAP AIR PORTUGAL
Wed 21/111:25MAN - MIA
1 stop15h 25mTAP AIR PORTUGAL
Deal found 26/11£330

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 27 November 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

MiamiMedellín

MIA - MDE

MIAMDE

Miami

Mon 26/1

05:26-14:45

1 stop9h 19m

Medellín Jose Maria Cordova Intl

Fri 30/1

09:17-15:41

1 stop6h 24m

£205

MiamiMedellín

MIA - MDE

MIAMDE

Miami

Tue 9/12

07:32-14:45

1 stop7h 13m

Medellín Jose Maria Cordova Intl

Fri 12/12

10:46-21:22

1 stop10h 36m

£205

MiamiMedellín

MIA - MDE

MIAMDE

Miami

Thu 15/1

23:10-18:00

2 stops42h 50m

Medellín Jose Maria Cordova Intl

Wed 21/1

07:20-14:53

1 stop7h 33m

£213

MiamiMedellín

MIA - MDE

MIAMDE

Miami

Wed 4/2

23:15-19:20

2 stops20h 05m

Medellín Jose Maria Cordova Intl

Wed 11/2

07:20-14:53

1 stop7h 33m

£213

MiamiMedellín

MIA - MDE

MIAMDE

Miami

Sat 6/12

05:34-10:56

1 stop5h 22m

Medellín Jose Maria Cordova Intl

Sat 13/12

05:00-11:21

1 stop6h 21m

£213

MiamiMedellín

MIA - MDE

MIAMDE

Miami

Thu 11/12

07:32-14:45

1 stop7h 13m

Medellín Jose Maria Cordova Intl

Wed 21/1

09:17-21:43

1 stop12h 26m

£217

MiamiMedellín

MIA - MDE

MIAMDE

Miami

Fri 13/3

12:20-20:35

1 stop9h 15m

Medellín Jose Maria Cordova Intl

Sun 22/3

08:37-16:40

1 stop7h 03m

£228

MiamiMedellín

MIA - MDE

MIAMDE

Miami

Mon 8/12

07:00-22:05

1 stop15h 05m

Medellín Jose Maria Cordova Intl

Fri 12/12

10:45-21:43

1 stop10h 58m

£230

MiamiMedellín

MIA - MDE

MIAMDE

Miami

Thu 11/12

07:32-14:45

1 stop7h 13m

Medellín Jose Maria Cordova Intl

Sun 14/12

10:46-21:22

1 stop10h 36m

£232

MiamiMedellín

MIA - MDE

MIAMDE

Miami

Fri 6/2

17:35-22:05

2 stops28h 30m

Medellín Jose Maria Cordova Intl

Tue 10/2

10:45-21:54

1 stop11h 09m

£233

Flights are sorted by cheapest return flights first.

Deals found on 26/11

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 Heathrow. Price data was last updated on 21 November 2025.

Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from Key Largo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Key Largo (average of £217). Flying from Key Largo in June will prove the most costly (average of £464). 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?

Many airlines operate round-trip flights from Key Largo: Virgin Atlantic, British Airways, Air France, Finnair, American Airlines. These airlines fly to the following popular destinations: London.

American Airlines
American Airlines
From £73
Virgin Atlantic
Virgin Atlantic
From £294
British Airways
British Airways
From £366
Avianca
Avianca
From £131

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 858,174 searches.
Get a feel of what it's like to fly with Finnair, Virgin Atlantic, andAir France from Key Largo by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,334 reviews
Check prices

Overall

7.6

Boarding

7.6

Food

6.7

Entertainment

6.9

Comfort

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Finnair
7.6
Good
1,334 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Overall

7.6

Boarding

7.6

Food

6.7

Entertainment

6.9

Comfort

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Virgin Atlantic
7.5
Good
675 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Overall

7.6

Boarding

7.6

Food

6.7

Entertainment

6.9

Comfort

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Air France
7.4
Good
1,498 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Overall

7.6

Boarding

7.6

Food

6.7

Entertainment

6.9

Comfort

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
American Airlines
7.2
Good
11,038 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Overall

7.6

Boarding

7.6

Food

6.7

Entertainment

6.9

Comfort

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
British Airways
6.7
Okay
7,539 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Overall

7.6

Boarding

7.6

Food

6.7

Entertainment

6.9

Comfort

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

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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 27 November 2025.

  • What is the cheapest airport to fly out of Key Largo?

    London Gatwick airport offers the cheapest routes to Abuja, from £20; whereas Lyon-Saint Exupéry airport is typically cheaper if you're flying to Bristol, from £23. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

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

    At the present moment the cheapest month to fly from Key Largo is currently January; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

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

    Check out the cheapest flights from Key Largo to embark to:
    Travel from London to Milan from £20 round trip
    Travel from Lyon to London from £23 round trip
    Travel from London to Málaga from £23 round trip
    Travel from London to Lyon from £23 round trip
    Travel from London to Faro from £24 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?

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

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

    Certainly. Search results for flights from Key Largo shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

  • 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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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?

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

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

Certainly. Search results for flights from Key Largo shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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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